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cncGraF Online Hilfe

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1. Ka Panty A 7 os Illustration 4 Tool correction to the outside 7 11 Path optimisation Path optimisation sorts out the data removes small vectors smoothing factor and shortens the working time of the CNC milling machine Tool correction may be performed for all or for only one tool Copyright 1993 2007 by Michael Boenigk Data editing 63 7 12 7 13 Calculation of processing time Function Calculate process time calculates time needed for processing Description Menu command Icon Calculates time needed for work none Edit e Calculate the te ork time During the cnc milling machine operation the estimated remaining time of process is shown on the status bar This time is estimated and especially at the beginning of process not accurate see Status bars 111 Teachin Teachin is a Help Function which saves the position of the milling machine in a HPGL file or in DIN 66025 file Calculates time needed for work none Edit e Teachin After opening the dialogue TeachIn the Manual advance 477 function can be accessed and a move performed to any position This operation can be then added to the command list by using Add When the command list is complete it can be saved in a HPGL file or in DIN 66025 file Copyright 1993 2007 by Michael Boenigk 64 cncGraF Online Hilfe Problem solving Problem Possible solu
2. About 1 1 About cncGraF Controlling the CNC milling machines in the Windows systems Copyright 1993 2007 by Michael Boenigk Internet www boenigk electronics com E Mail info boenigk electronics com It is FORBIDDEN to copy the software or any of the printed materials either in one piece or in parts regardless of whether the software or materials are in their original or altered version All the data carriers have been checked and tested before dispatch for the presence of viruses or errors It is recommended however that the client additionally controls the data carriers Boenigk is not liable for any potential damage e g loss of data machine damage material damage personal damage cost increase or incorrect results arising from the use of their programs software It is FORBIDDEN to remove the LICENCE NUMBER from the software and to modify or disassemble the program All the COPIES must comply with and be identical with the supplied original Microsoft Windows Autodesk Autocad Adobe Hewlett Packard and other product and company names mentioned in this booklet are registered names of their owners Copyright 1993 2007 by Michael Boenigk cncGraF Online Hilfe Basics The cncGraF software is a program for controlling and operating CNC milling machines with three stepper motors Command signals are sent via a parallel port LPT or a USB port to the power drivers and then to t
3. The coordinate system The machine coordinate system corresponds to the Cartesian coordinate system The starting point of the X and Y axes is located in the left bottom corner Once a Reference Move is performed the counters for the machine absolute coordinates for axes X and Y are set to value 0 zero whereas for axis Z the before set length of axis Z Note When the Z axis is moved downward the value of the Z axis counter diminishes Z X Illustration The coordinate system The mouse coordinate system The left bottom corner of the screen displays the mouse coordinates These co ordinates may either be displayed in centimetres or in inches Additionally it is possible to switch to and from the absolute and relative values The relative values have their origin in the zero point of the material whereas the absolute values in the zero point of the machine The icon for switching between the absolute relative values and the centimetre inch values is located on the horizontal tool bar Description Menu command Icon Switching between the absolute and none none L relative values and cm inches i Copyright 1993 2007 by Michael Boenigk Menu 13 3 6 Interface The USB port in a PC computer includes input and output drives The input is used for reading the signals sent by the machine e g by the limit switches The computer on the other hand sends through the output drives signals which control the ma
4. boring foil cutting engraving height scan measurement drawing Processing into digital format automation What you need additionally The list below presents all the components hardware and software essential in order to use the cncGraF program Operating system Windows 2000 XP Vista 32bit Microsoft NET Framework V2 0 Microsoft Managed DirectX9 or a later version for the joystick Pentium 600MHZ Processor or better or equivalent hardware Disc station CD ROM Graphic card OpenGL RAM 256 MB Hard disc 40MB free USB Port Controller SMC4D The cncGraF program is based on the latest Microsoft NET technology and it requires the Microsoft NET Framework V2 0 Microsoft NET Framework is free of charge and may be downloaded from the Microsoft websites Installation The cncGraF program may be downloaded from our website On your request we may supply you with the CD ROM version of cncGraF The CD ROM also contains Microsoft Framework V2 0 To install the cncGraF program you need to perform the following operations 1 Install Microsoft NET Framework V2 0 by calling up the dotnetfx exe file The Microsoft installation program will take you through the installation procedure in a step by step manner In the event that Microsoft NET V2 0 was already installed earlier this installation should be omitted Windows Vista users do not need to install Microsoft NET Framework V2 0 either as Vista already includes the Microso
5. coils convolutions When making a full circle the starting point corresponds to the ending point The G04 command enables a delay to be programmed G04 H2 denotes a 2 second delay This function is used for example to allow time for the drill spindle to gather speed DIN 66025 Description of commands Copyright 1993 2007 by Michael Boenigk 20 cncGraF Online Hilfe N10 G04 H2 5_ The tool stops for 2 5 seconds the drill Spindle continues rotating The G90 command sets the coordinate system at the absolute values Description of commands Moves the tool to position X110 Y100 Moves the tool to position X115 Y95 Command G98 defines up to 99 subroutines at the end of the main program after command M30 Subroutine definition commences with command G98 Lx and ends with command G98 LO see example 6 Call of subroutine executes with command Lx DIN 66025 Description of commands ubroutine 1 is called by main End of main program Definition of subroutine 1 ontent of subroutine ubroutine is completed The list of control commands may be created under any freely selected text editor Small letters may be used but the command code must not contain any blank spaces It is not obligatory to number the instructions and so numbering may be skipped Copyright 1993 2007 by Michael Boenigk Data files 21 4 5 Interpreter GRF4 The GRF format is the format of the cncGraF pro
6. 100 mm and the stand off ratio division factor equal 5 we shall come up with 6 measuring points distributed every 20 mm With considerably even surfaces to achieve a sufficient height correction precision few raster points are required For control purposes the scan area may be displayed on the screen Lift the height meter This height is the distance between the tip of the tool and the material in the course of an idle move Display the scan area Switch on or off the display of the height measurement area Height scan deviation Copyright 1993 2007 by Michael Boenigk Move 51 6 7 At the end of the measurement cncGraF calculates the ideal values of a particular measurement for each raster Square The deviation is the difference between the ideal value and the measurement value The highest deviations are displayed If a deviation is higher than 0 1 mm then the raster may have a bulge or a notch In such an event it is advisable to perform a height scan once again but with a smaller raster gY A height scan deviation may also be displayed in the menu View gt Height scan deviation Export Import of height scan data The height measurement data may be recorded through the main menu File gt Height scan data gt Export as a DXF file lines or points Din 66025 file a text file or the SCAN file type of the cncGraF program The SCAN type file may be retrieved again later The height scan deviation of th
7. are cancelled by pressing the Delete key A new sequence may be set up or changed in the Command section 2 The Command section allows for the addition of a new task to a particular macro or for changes to the tasks existing already The following commands are available e With the use of the absolute vector a move to a chosen X Y Z and A point is performed The speed of the move is entered manually or by quoting the maximum speed of the machine e Waiting time stops the machine for a given time in milliseconds e With the use of a connector the drill spindle and the pump are turned on or off Saving a macro Once a macro is established it must be saved in a file All macros are saved in the Macros catalogue in files supplied with the macro extension To save a macro the Save option must be clicked in the Macro save dialogue window Exporting macros Macros may be exported for further editing in format Din 66025 To export a macro you need to select a particular macro from the list and click the export key Testing a macro and applying it to inserting into Milling Drilling Before a macro is applied in the Milling Drilling operation it should be checked first The Perform macro dialogue window enables the application of particular macros through the selection of a particular macro from the list and clicking the Start option Description Menu command __ Icon Single macro none Move e Macro none performance
8. for the function Manual advance with keys and facilitates precise positioning on axis Z Move to Move to and fro Functions Move to and Move to and fro include the possibility of controlling the machine In both functions the destination point is determined by entering relevant data with the use of the keypad When the Start key is pressed a particular operation is started up and when the Cancel key is pressed the operation is stopped These 4 keys indicate the current absolute or relative coordinates of CNC milling machine Keymave Move to Move to and fro mm mm Mark xY positions with mouse left button The absolute zero point is material zero point Move to machine scope zero point Move to and fro Start Cancel Illustration The Move to and Move to and fro functions make absolute advance of the CNC milling machine possible The position may be entered into the X Y boxes with the use of the mouse left mouse key To make this possible the Insert positions x y with mouse box must be ticked Drill spindle and pump The power feed of the drill spindle motor and the pump may be turned on or off in the course of manual advance In this case the machine functions just like a standard milling machine with control over the path length Monitoring For each axis the supervision function may be switched off or on The function makes sure that the range of the machine is not exceeded during processing
9. in the main window F Function Z2 can be used only for 2D files and for 4D files type DIN 66025 More information is available in chapter Toolbox 3 5 1 2 4 Backlash Backlash is undesirable play between the spindle and the cap or between the pinion and the toothed bar of the power drive The play is generated in the course of a change in move direction This function cancels the play Backlash is entered for axis x y and axis z in millimetres or in steps y The Backlash elimination function is applied only in the course of milling drilling Copyright 1993 2007 by Michael Boenigk Settings 31 5 1 3 PIN parameters Port A It is essential to correlate the move directions input and output and so they must be adjusted The following settings are available Reference connectors may be inverted manually or with the aid of the PIN reference assistant PIN reference assistant Manual advance Welcome The assistant of the reference pins recognizes Z 2 the switches status and defines them as opener or closer In order for the assistant to be able to determine the status switches correctly the following procedure must be followed 1 The switches should be of the NOT ACTIVE status Therefore please move away with keys At A from the switches The height scan sensor should also be of the NOT ACTIVE status Speed mm sec 2 Press the Finalize End key Finalize Cancel Illust
10. in two different ways 1 If a DXF file contains 2D data it means that the file does not contain any Z axis data Z is always 0 and data for depth Z are imported from tool box 2 If a DXF file contains 3D data it means that the file does contains at least one non zero Z axis value Then data for depth Z is not imported from tool box but form the DXF file Y The type of file is shown on the status bar also see the Options s9 chapter Copyright 1993 2007 by Michael Boenigk Data files 23 LAYERS cncGraF may assign LAYER data to a given tool For this to be possible the name of the layer must be present in the toolbox in filed Name for the selected tool If the LAYER s name is not found in the toolbox the LAYER s data is assigned to tool 0 Layer Tool NeuerLayerl fo gt 1 mm Test 0 gt NeuerLayer2 1 mm Test 1 mm Name 1 mm Name2 1 mm Names 1 mm Nameg 1 mm Named 1 mm Name 1 mm Name Illustration In dialog box DXF Layer any LAYER can be assigned to any tool Copyright 1993 2007 by Michael Boenigk 24 cncGraF Online Hilfe 4 7 Postscript Interpreter and Adobe Illustrator cncGraF reads Postscript 3 files extension eps and Adobe Illustrator files extension ai Postscript has been created by the Adobe company Adobe Illustrator format is based on Postscript However it contains limited number of c
11. location may be set manually or in the course of milling by clicking the Hicon on the horizontal toolbar In the numerical space for introducing data in the Pause dialogue window the number of the vector must be entered as the location of a pause With the aid of the group a choice is made between the grill points and the vectors The parts of the drawing which are to be milled are displayed in grey colour Description Menu command Icon Locate position in the none none course of milling Locate position move shift tiie e Pause Copyright 1993 2007 by Michael Boenigk Data editing 57 7 7 PhotoVec 1 Introduction to PhotoVec 3D PhotoVec 3D is a tool for converting 2D pictures into 3D data JPG or BMP files can be used as input data A 3D map viewable in the main window is the result of this conversion 2 Method 2 1 Step 1 Choice of picture Please choose File from the menu to access Explorer Choose the catalogue and picture The picture will be automatically converted into shades of gray Photo ec no picture loaded Tea File Settings Explorer Last opened files fe E ote Manu E T Previously used files to speed up access are stored in Recent files Up to 20 files may be accessed here 2 2 Step 2 Picture processing There are two ways of changing the picture size 1 direct entry of picture width and or height 2 percentage change of wid
12. parameters have been described in detail in the Settings 2 1 chapter yY Each time the cncGraF program is started up a so called reference move 42 must be performed This operation makes it possible to determine the ZERO point which means that from this moment on the program is able to recognise where the point of coordinates 0 0 0 is Without this operation the program will not recognise the position of each of the machine axes Copyright 1993 2007 by Michael Boenigk Basics 9 3 1 Menu In order to make the implementation and usage easier the cncGraF program has been equipped with an innovative graphically designed interface which is much similar to the standard WINDOWS applications The modern interface of the cncGraF program can be customised in the following way 1 Tools view can be customised in dialog Settings gt Options gt View by switching off unnecessary symbols 2 Modules Manual move Explorer Text editor Tracer PhotoVec are all attachable windows which can be minimized maximized moved or attached to an arbitrary place within the main window 3 Program can be executed in XP or standard mode Main menu Pulldown bar The Pulldown main menu bar includes all the functions except Selection Window and Unit The Pulldown main menu bar consists of the following options File Edit View Move Settings Help Illustration Pulldown main menu 1 The File men
13. the left mouse key clicking on the content of the selection window Description Menu command Icon indow contents e Delete ey indow contents e Cop ey indow contents e Move and left mouse key Change of tool number and the direction of milling The direction of milling and the change of the tool number is performed in the Properties dialogue window In order to be able to change the properties the drawing data intended to be changed must be selected with the use of the Selection window 531 The Properties dialogue window displays the current tool number of the selected data If the selected data has more than one tool then the tool number is not displayed Now the new tool number may be entered or the direction of milling and the Change key performs the required changes Description Menu command Icon n Change of tool number and one none T milling direction Copyright 1993 2007 by Michael Boenigk Data editing 55 7 4 Removing drill points height scan data and tool diameter correction The Edit gt Delete menu allows for the removal of the drill points and the height scan data and the tool correction Description Key _Menucommand______ficon_ Remove tool none Edit e Remove e Tool diameter jnone diameter correction orrection es dene e Remove e Drill points points ee geal ee e Remove e Height scan scan data data 7 5 Correction of the trailing cutter Prior to the perfor
14. und Einstellungen Benutzername Lokale Einstellungen Anwendungsdaten Boenigk cncGraF Due to the fact that the cncGraF saves all the data in this folder the user does not need administrator level access in Windows Furthermore multiple users can use the cncGraF on the same computer with different settings Special Functions contained in config xml There are several special functions which could be set up only in the file config xml These functions are described below e Parameter Timer in field lt Joystick gt defines the joystick query interval in milliseconds Default value is 100 For older systems this value should be higher around 300 e Parameter CurveSpeed in lt SMC gt definess the speed of move on bends Allowed range is 0 to 100 Default value is 20 The smaller the value the higher the speed on bends Value of 0 disables the function e Parameter MeasureCalculatelnvert calculates the inverted new postion after the tool measurement Value false is default and should not be changed This parameter is used only by special cnc machines which are capable of table rotation in Z axis which causes problems with calculation of the position after the measurement e Parameter ResetSwitchesWhileReference has default value of true If this parameter has value of false the refrence move does not reset the reference sensors to default values Copyright 1993 2007 by Michael Boenigk Basics 5
15. 18 cncGraF Online Hilfe 4 4 Interpreter DIN 66025 The standardized data file format DIN 66025 is the standard applied in professional CNC 21 2 and 3D machines gY The Din 66025 type files may not be edited Only copying moving and scaling is possible The cncGraF program interprets the following commands G Codes GOO Rapid advance G01 Working speed advance G02 Circle Arc clockwise movement G03 Circle Arc counter clockwise movement G04 Pause G40 Delete tool diameter correction G41 Tool diameter correction left G42 Tool diameter correction right G70 Unitin inches G71 Unit in millimeters G90 Absolute mode G91 Relative mode G98 Subprogram definition M Codes M00 Program execution paused program resumes when any key is pressed M03 Turn on the power feed of the tool M05 Turn off the power feed M08 Turn on the coolant pump M09 Turn off the coolant pump M20 Plasma is off M21 Plasma is on M30 End of program Other CNC commands Advance rate mm min Task number Tool number Adjustment of spindle rotation Calls a subroutine of selected number roaz The G00 command moves the tool with the maximum speed rate of the milling machine The tool is positioned above the material DIN 66025 Description of commands Moves the tool to point X0 YO and M3 turns on the drill spindle M8 turns on the coolant pump NO3 G01 Z 2 F50 he tool penetrates the material 2mm deep with the speed of
16. 2 for arch Spiral is selcted in the text editor and highlighted in 3D graphics in yellow 5 cncGraF enables programming in DIN 66025 and immediate checking of the resulting 3D view Selecting Save file in text editor saves the changes and reloads the 3D view yY The text editor is in an attachable dialog box and can be placed anywhere in the main program window 7 9 Tracer Tracer is a simple program for conversion from raster graphics to vector graphics Tracer may vectorize text or black and white pictures bitmap Please enter an arbitrary text or load black white graphics bitmap and press Overtake key The picture or text is vectorized and shown in the main program window Description Menu command icon Tracer converts raster none none al graphics into vector one A 7 10 Tool diameter correction Correction of the tool diameter determines if a tool needs to be moved to the left or to the right of the drawing vector cncGraF facilitates the tool correction to the left right inside or outside see illustrations 1 to 4 The smoothing factor should have the value in most cases of small vectors from 15 to 45 The smoothing factor changes the data generated by the tool correction Original vectors remain unchanged The higher the factor of smoothing the fewer the small vectors and the thicker in outline the tool diameter correction Copyright 1993 2007 by Michael Boenigk 62 cncGraF Online Hilfe
17. 2 is available only for 2D data e g HPGL DIN 66025 files must contain data for the 4th axis defined as Z2 g The Display tools in use function limits the tool overview to the tools currently in use Macros In the Macros dialogue window it is possible to define operation sequences operations that may be part of the milling or drilling process and that could be called up at any given point This way the performance of various tasks may be automated Each operation sequence here called a macro is saved under a file name The Macros dialogue window displays a list of all the program macros Description Key Menu command Icon Macro process fnone Settings e Macros Saving and changing a macro Upon clicking the New option in the Macros dialogue window the Macro save dialogue window Copyright 1993 2007 by Michael Boenigk 38 cncGraF Online Hilfe appears where a new macro is defined If an existing macro is to be changed then it must be selected from the list displayed in the Macros dialogue window and the option Edit must be selected The Macro save dialogue window consists of two sections 1 The Macro section includes a list with the commands of a given macro The macro is performed according to this list from top to bottom The list consists of a sequence and all the parts of the sequence are performed The sequence may be changed by pressing the arrow function keys Single sequences
18. 5 9 Joystick cncGraF may control the CNC milling machine with the use of a joystick Joystick control may be tuned M On on or off with the use of a switch Joystick buttons may be used to access various functions e g Change speed of manual move Reference move Move to zero position etc Value 1 switches the function off The joystick button must be pressed and held during reference move as the release of the buton stops the machine y To facilitate joystick steering Microsoft Managed DirectX9 see installation 35 must be installed 5 10 Unit and scaling Without determining the appropriate units of measure the entered drawing shall not be correct To make the selection of an appropriate unit of measure easier some of them have been defined 1 mil 1 40 1 100 1 1000 mm In the event that there is no pre defined unit of measure it is possible to enter one s own definition with the use of the keypad keys Additionally the entered drawing may be recalibrated by quoting an appropriate scale for X Y or Z jption Menu command Changing the units of measurement of the jnone Settings e Unit and scaling entered drawing y The measurement unit for file type DIN 66025 may not be changed as the original unit contained in the file is used with no possibility however of unit selection Copyright 1993 2007 by Michael Boenigk Settings 43 6 1 6 2 Move The main menu Move includes funct
19. 50 mm min Copyright 1993 2007 by Michael Boenigk Data files 19 NO4 G01 X100 Y100 F100 Moves the tool at advance seed rate of 100 mm min to point X100 and Y100 NO5 GOO Z10 M5 M9 Moves the tool to position Z10 M5 urns off the drill spindle M9 turns off he coolant pump End of program The G02 command moves the tool along the arc in a clockwise manner whereas G03 moves the tool counter clockwise The starting point of the arc is in the current tool position The end of the arc is determined in commands G2 G3 with the use of commands X Y and Z which stand for respectively the coordinates for axes X Y and Z Commands J and determine the centre of the circle Please find below the control commands for the G2 3 instructions End coordinates in axis X End coordinates in axis Y Circle centre in axis X Circle centre in axis Y Circle centre in axis Z DIN 66025 Description of commands Moves the tool to position XO YO and Z10 Ao lt x M3 turns on the drill spindle NO3 G01 X10 Y10 F100 Moves the tool at the speed rate of 100 mm min to position X10 Y10 N04 G01 Z 2 F50 he tool penetrates the material 2mm deep with the speed of 50 mm min NO5 G02 120 J10 X30 Y10 Moves the tool along the arc with the arc entre at point 120 J10 from point X10 10 to X30 Y10 Lifts up the tool by 10 mm M30 End of program Example 3 illustrates the making of a screw thread 2mm pitch of thread 6 mm long 3
20. Boenigk 36 cncGraF Online Hilfe 5 3 zero point may be performed automatically after the reference move Material offset The material offset is the distance between the point at which the tool is fixed and the material zero point see Illustration 4 In the GRF format of the cncGraF program the material offset and the material zero point are recorded Material zero point is recorded in the GRF format only for control purposes while opening this file In the event that the material zero point of the entered drawing does not correspond to the currently active material point the following information is displayed cncGraF has no zero point for the particular the drawing Please check the material offset Tool is fixed y E mamla Material zero point gY If the zero point of the material has changed there is no need to change all the GRF type files but just the material offset in the opened GRF file Copyright 1993 2007 by Michael Boenigk Settings 37 5 4 5 5 5 6 Material parameters For the purpose of visual control the size of the processed material may be graphically displayed on the screen Description Menu command Icon Opens the Material parameters dialogue jone Settings e Material parameters La window In direction X and Y the defined material size in millimetres may be displayed in a freely chosen colour From the list of existing zero points a ne
21. Editing F9 Move e Milling drilling apply insert macro Any macros for the operation of Milling drilling may be entered into the Work parameters dialogue window The first thing to do is to activate a macro in the Macro section Then a particular macro must be selected from the list of macros and the place for its application must be defined Here various possibilities apply e Perform macro at the beginning of work e Perform macro at the end of work e Perform macro after processing the Repeat processing function e Perform macro after tool change Upon selecting a macro and defining the location for the performance of a given macro the particular macro must be added to the performance list with the gt key With the use of the lt key the macro is removed from the performance list Copyright 1993 2007 by Michael Boenigk Settings 39 5 7 Options The Options dialogue window includes all the settings of the graphical editor of the cncGraF program These settings have been grouped into General View Performance and Editor tabs Description Menu command Icon All settings of the none Settings e Options A graphic editor OM General The work directory is the starting point once the Options and Save dialogue window is opened Decimals are shown as per requirements of the currently used language that is with comma or full stop separator Misc parameters V After change of
22. Height of drawing measurement To transform HPGL files into 3D type files the drawing must be divided into small vectors and then the height of the vectors must be measured at their starting and final points The resulting measurements are saved along with the HPGL coordinates as file Din 66025 Divide the drawing into none Process e Drawing e Split none small vectors vectors Copyright 1993 2007 by Michael Boenigk Move 49 6 5 Measurement of height of none Move e Height measurement none drawing Drawing measurement Show starting and final none View e Starting and final none points of vectors points of vectors graphically on the screen Reference move and moves to positions In the Move main menu or in the menu of the Manual advance dialogue window it is possible to perform reference moves or a move to the park point the zero point or the measurement scan point amene a e Move to park point F10 Move e Park point iB Move to zero point F11 Move e Zero point al Move to measurement point none Move e Measurement point non For the CNC machine to recognise the position of the CNC machine axis a reference move must be made for example each time the cncGraF program is started up or after a move is interrupted In the Reference move dialogue window the axes which are to perform the reference move are selected A reference move may also be performed manually in the main menu View O
23. Once a tool is changed the spindle moves to the tool length sensor which shall measure the tool and on this basis an adequate correction shall be performed A standard micro switch may be applied as the sensor Once the measurement is performed the processing is continued yY More information on the topic of Measure the tools is included in the chapter Measure the tool 53 e Flight altitude is the distance between the tool milling cutter tip from the material in the course of idle advance above the material At the end of processing such actions may be defined Tool up Move to point zero Perform reference move Tool down applicable only with active automatic tool changer which are performed once milling or drilling is completed After a pause is performed it is possible to perform such actions as Tool up or Move to park point For more information go to chapter Pause s6 In a situation when the height scan has already been performed previously the height correction option may be activated For more information go to chapter Material height scan 507 Macro The Macro function is described in chapter Macros 37 Manual advance The Manual advance dialogue window includes several functions which concern the manual advance of the CNC milling machine This dialogue window does not block the main menu of the cncGraF program and may remain open all the time Description Menu command Icon Manual adva
24. Saving and Loadig of the settings To avoid losing the settings saving in regular intervals is recommended Saving of all the settings is performed in dialog Settings gt Settings gt Save as In the dialog Settings gt Settings gt Load the previously saved settings can be loaded gY In dialog Settings gt Options gt General there is a function which enables automatic saving of the settings at regular intervals On termination of the program all the settings are saved automatically If a need arises to save the settings during the machine operation in can be done by calling function Save settings in the main menu Settings 2 5 SMC4D The SMC4D controller generates the heartbeat and direction signals for 4 stepper motors The maximum clock frequency equals 42kHz for the interpolation moves on 4 axes Through the inputs the reference connectors pins may be read start stop and other signals Additional outputs may be used for performing such operations as turn on off the pump limit the motor current turn on off the drill spindle motor and regulate its rotation Organisation of signal flow on the controller output connection has been adopted from the cncGraF version for DOS system The controller is based on PLD programmable logic device The 12MHz quartz oscillator and the 64 kByte of data memory ensure a stable impulse transmission Quick data exchange with the compu
25. a to Laser Copyright 1993 2007 by Michael Boenigk Data editing 59 Parameters for laser based processing e g wood processing can be set here The laser moves slower or faster depending on where on the gray scale the point is Therefore the speed for white and black point colours must be defined For different shades of gray the speed will be interpolated The width sets the size of the laser dot Photo ec no picture loaded Ee File Settings Input Output Mill White Ox OF Layers Number of layers fi H Max depth 1 0 B gt 5 1 mm B gt 1 mm B gt 1 mm M3 gt 1mm Text editor Fg Explorer Ea Tracer PhotoVec Key Send sends the data 7 8 Internal text editor The internal text editor is a full featured program which can accept DIN 66026 and HPGL files see chapter Options gt Internal and external text editor and it has the following functions Description Menu command Icon Internal text editor jew e Text editor Copyright 1993 2007 by Michael Boenigk 60 cncGraF Online Hilfe 1 Auto improvement for DIN 66025 and HPGL files makes the text easier to read 18 G0Z20 3 LT 19 MOO 4 PU 1011 1143 20 G90 5 PD 1211 1143 21 GOZOM9 6 PD 12151209 22 X21 5Y75 7 PD 12181272 23 Z5M8 8 PD 1221 1330 24 GN 9 PD 1224 1384 Illustration 1 Din 66025 and HPGL commands are displ
26. anging the sequence of processing defined in the file Numer of repetitions fo 4 Cancel closes the R R m dialogue window Correction of immersion mm without recording the settings Height correction Start starts up the Continue continues OK records the settings Milling Drilling Milling Drilling after a and closes the dialogue performed pause window Illustration 1 The Work parameters dialogue window Selection of data and their sequence of performance Data of the printed circuit board consists of files with the HPGL type of vectors and files with drill points of the Sieb amp Maier type The cncGraF program may open both the files in one document process and display them In this case it is necessary to select the processing data from the tab Vectors or Drill points see illustration 2 In the event that the current document has only the drill points or only the vectors only one tab is displayed and there is no possibility of choice see Illustration 3 Copyright 1993 2007 by Michael Boenigk Move 45 Vectors Drill points No Name Ei 0 2 mm F 2 mm Fi Name m4 0 2 mm M5 Name5 Illustration 3 Here only the vectors are present so there is no possibility of selection The vector and drill point lists display all the tools in use in the processing sequence order To allow for the possibility of changing the order of the tools at least two tools must be used s
27. ary and it should be near the reference point The Start Stop speed prevents step skipping in the course of accelerating or stopping the motors The value of this parameter must not be too high The constant working speed is active at the Constant working speed function and is also constant during interpolation moves Copyright 1993 2007 by Michael Boenigk Settings 33 Starting point Interpolation move x Illustration With constant work speed off the interpolation distance is longer vector 3 but traveled in unchanged time hence speed of move is higher e Acceleration rate may be low average high or extremely high e Move speed to a scan measurement point is the speed of axis Z in the course of a move to the height scan point Once the height scan is performed axis Z is raised at the Start Stop speed 5 1 5 Automatic tool change The automatic tool change option has control over the machine device and may have up to 33 tools To use the automatic tool change option the following operations must be performed e The Properties define the general setup for the automatic tool change The first thing to do is to switch on this option by pressing the connector Waiting time is the time when the opened spindle is waiting and subsequently either picks a new tool or puts away the old tool Once the tool position is arrived at an immersion is made on axis Z with the entered speed and segment Connec
28. ayed in blue bold font 2 Code Snippets for DIN 66025 data make programming easier Insert command es C M Codes CI Other CNC commands Illustration 2 Pressing CONTROL SPACE keys shows window Code Snippets Insert command G Codes gt aco a a working speed advance 5 coz 3 c03 BD aos A G40 A GH S G42 A G70 aci v illustration 2 Command GOT is chosen from the list of G Codes By pressing Enter the list of G Codes is selected see Illustration 3 A small Help list appears next to the selected G Code command The list describes the command By pressing Enter key G Code command G01 is entered into the text editor 3 Internal text editor contains functions Find amp Replace Go to line and function Print with Adjust page Dialog Find and File gt Print 4 By selecting a G Code line it can be viewed in 3D Here the icon must be switched on in 3D view Selection can be performed by pressing A ve left key in 3D view or by selecting a line in the text editor Copyright 1993 2007 by Michael Boenigk Data editing 61 3D View 2D View gt BE File Edit Search Window ee a 2i T1 M3592500 FI Ly 3 GOX21 5725 4 Z5M8 ia 5 G91 6 G2135J02 2F360 Q 7 135J0Z 2 8 135J0Z 2 ail 9 135J0Z 2 10 136 022 11 1354022 2P 12 13530 v IK Z Ln7 80 Col4 E Text fe Ex A T GB Pho Illustration 3 Command G0
29. chine Clicking the mouse left key on a proper area changes its active level to the opposite level Clicking the mouse on input 1 switches on or off the cutter fraise drive Description Menu command Icon Dialogue window Interface Ctrl I View e Interface jnone enables control over the USB port input and output drives A The configuration of the pins may be checked using the connector By switching the reference switches on and off the pin status changes 3 7 Switching functions On and Off In the main program window Settings gt Swtich function On Off the program may be limited to necessary functions to facilitate easier learning Activation of this function may be password protected More information is in dialog Machine parameters 267 in field Password 28 Copyright 1993 2007 by Michael Boenigk 14 cncGraF Online Hilfe 4 1 Data files The cncGraF program makes it possible to import various data file formats HPGL DIN 66025 Isel NCP DXF Postscript Adobe Illustrator Excellon Sieb amp Maier 1000 and Sieb amp Maier 3000 The read data files can be altered in size by scaling or changing the scale Working on the data The Open Insert dialogue window makes it possible to enter new or insert load other data to the files currently open Both windows are the standard dialogue windows for the Windows system Open file In order to open a data file click on icon a on the
30. cncGraF Online Hilfe 6 8 6 9 gY In the Positions dialogue window the new height of point zero may be defined by providing the material thickness data 3 Measurement of the height of the tool length sensor Now a move is performed to the sensor in order to measure its height 4 Summary This last page of the assistant shows the height of the table and the height of the tool length sensor at its start By clicking on the Complete option the values are saved and the assistant is closed p If the tool length sensor is not to be used again the calibration data should be deleted Measure the tool In order to measure the length of the tool calibration of the tool length sensor 51 must once be performed Bescripon key Menu command ron Manual measurement of tool length ALT T Move e Tool e Measure tool i 1 n a If several parts are to be produced with the use of the same tool serial production it is wise to perform the tool measurement just once This way a multi time performance of the tool measurement before the milling of each part may be avoided To avoid a multi time performance of the tool measurement it is also necessary to turn off the change and measure the tool functions in the Work parameters dialogue window Tool change This function is applicable exclusively along with the automatic tool changer 33 The function facilitates automatic setting aside or picking up of tools Copy
31. e retrieved SCAN type file may be quoted back from the main menu View gt Height scan deviation Calibration of the tool length sensor To be able to use the tool length sensor its calibration must once be performed Calibration of the sensor is performed with the use of the calibration assistant Description key menu commana feon Calibration of the tool length sensor Move e Tool e Measure the tool Delete the measurement values none Move e Tool e Delete the none measurement value The assistant performs the following actions in this order 1 Reference move For the position of the CNC milling machine to be adequate a reference move must be performed If the reference move has already been performed before this step may be skipped by clicking Continue 2 Table height measurement Please fix a chosen tool and move in axis z till the tool tip touches the CNC milling machine table The saved height of the CNC milling machine results together with the material thickness in a new axis z height at point zero Please note that the material thickness starts at the table height and finishes at the top edge of the material see Illustration Tool length sensor haight of peint zare Z height of CNC Material fixing clamps machine table Hickness of material Illustartion Height of the machine table and thickness of material result in the height of point zero Copyright 1993 2007 by Michael Boenigk 52
32. ee illustration 4 Changing the tool sequence for files Din 66025 is not possible Quoting values for Repeat processing and Notch correction in millimetres is possible by clicking the adequate line and column in the table Value 0 of Repeat processing parameter indicates that the processing milling shall be performed once only Value 1 indicates that the process is repeated one time etc This function along with the notch correction in axis Z facilitates such processing when the material must be subjected to several working cycles e g the milling of deep holes in metal grinding etc Vectors Repetition of processing Correction of immersion depth t M2 2 mm a7 Name m4 0 2 mm M5 Name5 ooceoo ooo o o Sequence of processing Illustration 4 The Change tool function is switched on The sequence of processing is changed by selecting a tool and pressing the arrow keys y For 3D data the order of tool cannot be changed Various tool heights in Z may result in an angled move In such case both keys usually assigned for tool change arrow keys are not visible Copyright 1993 2007 by Michael Boenigk 46 cncGraF Online Hilfe Repeat processing and notch correction Values for Repeat processing and Notch correction in millimeters is possible by clicking the adequate line and column in the table Value 0 of Repeat processing parameter indicates that the processing milling shall be
33. et it is sometimes worthwhile to protect them from inexperienced users The introduction of a code makes it impossible for unauthorized users to gain access to the Machine parameters dialogue window Similarly it is then impossible for others to save CNC machine parameters To turn off the code it is necessary to enter the current code into the old code option leaving other options blank gY As help in case the code is forgotten it is possible to enter a tip word or sentence concerning the code Axes cncGraF may control up to 4 axes Additionally it is possible to control axis X Y with a double drive DIP Switch 2 switches between x2 down and Y2 up see ON Illustration DIP Switch S2 is down on SMC4D double drive for axis X is on The following settings are at available e The length of axis Z is assumed to equal its permissible scope of revolution On the screen the scope of revolution of axis X and Y is shown as a white sheet To define the resolution the number of steps per rotation and the length of rotation must be entered for each axis For each orientation the axis resolution is automatically calculated in millimetres per step and shown in box below To define the axis resolution for each axis the number of steps per rotation and the rotation path must be quoted Initially the axis resolution is calculated automatically in millimetres per step and is presented in a box below e Switch A switches on or of
34. f the DIN 66025 files is automatically recalculated If the speed rates are inappropriate they may be adjusted by providing a vector or by selecting a speed rate from a vector list in the toolbox Adjusting the speed of the opened jnone Settings e Options e DIN none file type DIN 66025 66025 DIN 66025 type files have the following settings available Letter definition for 4th axis Definition of 4th axis in degrees Command G02 03 clockwise or counter clockwise arc always relatively Invert vectors change of axis Z direction Selection of arc resolution from low medium to high Definition of transmitters command M which may be used for turning on or off various devices through files type Din 66025 HpgI Sometimes it may be required that the tool once it immerses in the material does not commence work immediately but pauses for a particular period of time This may be achieved with the application of the Time after tool lowering function expressed in milliseconds If before raising the tool the tool is supposed to remain immersed inside the material for certain time the time has to be defined in milliseconds in Time before raising tool Before the actual work commences a delay may be defined needed for reaching adequate rotation speed of the spindle with a tool Copyright 1993 2007 by Michael Boenigk Settings 41 Time after tool lowering 10 ms Time post tool higher 10 ms Spindle acceleration
35. f the fourth axis When the fourth axis is switched off it is not possible to use the axis of rotation or the tangent axis 29 as axis four Axis A is available in the controller versions from V2 0 to SMC4D Axis of rotation 28 may work with a 4 axes driver as well as with certain inconveniences with a 3 axes driver Axis of rotation Depending on the number of axes of the steering electronics two work modes are possible 4 axes driver The machine parameters allow the axis of rotation to be defined as the fourth axis once the axis cA Copyright 1993 2007 by Michael Boenigk Settings 29 5 1 2 2 5 1 2 3 switch has been activated The axis of rotation may be installed on the milling table in the direction of axis oraxis Y Selecting an adequate direction direction or direction results in directing the coordinates of a selected axis to the axis of rotation If the scratch file has coordinates for all 4 axes processing in four dimensions then the selection of direction X or Y serves merely the purpose of displaying the axis position on the screen The reference move to the limit switches and positioning may take place on 4 axes 3 axes driver With a 3 axes driver axis A must be inactive the switch is turned off The axis of rotation is connected to the driver output X or Y through a change swap of plugs Symbolic presentation of the axis of rotation on the screen Once the axis of rotation
36. ft _NET Framework V2 0 2 Install the cncGraF program by starting the setupxxx exe file The cncGraF installation program will take you through the installation procedure in a step by step manner Copyright 1993 2007 by Michael Boenigk cncGraF Online Hilfe 2 4 gy To install cncGraF you need administrator level access to the computer 1 To control the CNC milling machine with the use of the joystick it is essential to install Microsoft Managed DirectX9 or its later version To install Microsoft Managed DirectX9 call up the installation file dxsetup exe with the installmanageddx parameter Example CD ROM DirectX dxsetup installmanageddx To drive and control the stepper motors via the cncGraF program the SMC4D controller is essential gY In order not tot interrupt the work of the CNC milling machine Power Management must be turned off in BIOS Please also check the power management in the options of the Windows management panel Installation of the SMC4D drive First install the cncGraF program and then connect the USB cable turn on the electronics This is in order to ensure that the USB drive has been copied onto the hard disc Further information has been included in the file install en pdf Settings Program cncGraF saves the settings in config xml The config xml file contatins all the settings for the software as well as for the cnc milling machine File config xml is in folder c Dokumente
37. gram and it saves in the file all the changes made by the cncGraF The GRF format includes the following information e Vectors and drill points all drawing elements e Tools for vectors and drill points e Tool adjustment e Unit and drawing scaling for file DIN 66025 only scaling e Material offset and the zero point of the material e Order of execution with correction of depth When opening the GRF4 file cncGraF checks whether the zero point in the GRF4 format is used If the zero point is not used the user is presented with a request to check the offset of the material File conversion from type GRF to GRF4 To enable program cncGraF to read files type GRF they have to be converted to files type GRF4 During conversion to new format the old files are not being deleted but new files with extension GRF4 are created Description Menu command Icon Convertion of old files type F9 File e GRF Converter Es GRF to GRF4 Copyright 1993 2007 by Michael Boenigk 22 cncGraF Online Hilfe 4 6 Interpreter DXF Program cncGraF reads files type DXF Format DXF Drawing Exchange Format has been created by the Autodesk company for their AUTOCAD software and is being used for data exchange between CAD programs cncGraF reads the following commands 3DFACE ARC CIRCLE LINE LWPOLYLINE POINT POLYLINE SPLINE VERTEX LAYER ELLIPSE As files type DXF can contain data in 2D or 3D program cncGraF must execute them
38. he built in stepper motors of the CNC machine The program also reads and indicates the condition of the three limit reference switches the emergency STOP switch the material height sensor or the tool length sensor Two command signals independent of the other signals are used for the switching on with the aid of relays of the mill spindle motor and the coolant pump The WINDOWS operating system does not allow without the application of an extra external unit a special controller for steering in real time This is because in the Windows system the timer is used for performing multi task activities Thus the stepper motors are driven with the aid of an external SMC4D controller which performs among other tasks the task of the timer emits the heartbeat signal and the direction signals for driving the 4 stepper motors Copyright 1993 2007 by Michael Boenigk Basics 3 2 1 2 2 2 3 What the cncGraF program can do The cncGraF software has an innovative graphic interface It is clearly devised and easy to operate All the main functions have been equipped with their respective icons and shortcut keys The CAD similar interface of the software presents the working scope area of the CNC machine which includes all the elements e g drawing data material zero point park point or the display of the scan measurement point The cncGraF program is mostly used for performing the following work milling drilling
39. horizontal toolbar Alternatively a date file may be opened in the main menu of the cncGraF program or by pressing a shortcut key Description Menu command Icon Open file Ctrl O File e Open ea Choosing 1 of the 4 none File e 1 to 4 none recently retrieved files In the Open dialogue window the following types of files may be chosen HPGL plt DIN 66035 nc and ISEL NCP Sieb amp Maier drl Excellon SM1000 SM3000 Adobe Illustrator ai and Postscript eps Autocad DXF dxf cncGraF grf all NC files When choosing a type of file without a file extension this type of file shall be recognised automatically The last 8 files accessed may be reopened in the main window File gt 1 to 8 gy In the event that the type of file could not be recognised automatically the following information appears File c example nc is of unknown format Do you wish to quote the file type and try again Copyright 1993 2007 by Michael Boenigk Data files 15 Insert file Once a data file is opened it is possible to insert into it a drawing from an outside file The procedure is identical here as in the case of opening a file Description Key Menu command icon Insertdata none File e Insert none 1 In the Insert dialogue window for 2D files the following types of files may be selected e HPGL plt e Sieb amp Maier drl Excellon SM1000 SM3000 e Adobe Il
40. ions which control the advance of the CNC milling machine Simulation The simulation function allows for the acknowledgement of the path which the milling tool is to follow in the course of performing actual work The simulation speed may be changed in the main menu between the options of slowly average fast and extremely fast Description Menu command Icon imulation start up none Move e Simulation e Start Choice of simulation speed jnone Move e Simulation e slowly none average fast extremely fast Milling Drilling Clicking on the gt icon in the horizontal toolbar or pressing the F9 key function starts up the progress of the CNC milling machine Before the actual start up the Work parameters dialogue window appears where it is possible to set the final parameters Description Key Menu command Icon Processing FS Move e Milling Drilling Bo Copyright 1993 2007 by Michael Boenigk 44 cncGraF Online Hilfe Selection of data ULPE WAGE between vectors Data selection and seq Vectors Drills Repetition of processing Correction of immersion depth 0 5 1 Change of performance 2 1 7 sequence Sequence of processing I Objekt bezogene Abarbeitung Properties m 1 Macro M change M On T mea Execute Flight altitude 2 mm id nears At the beginning move to m point zero After end Move to park point z After pause Tool up el Repeat processing without ch
41. is switched on in the menu Machine parameters gt Axes gt Axis of rotation the length line shall appear on the screen U DxP where D is the diameter of the material Another line runs from the onset of the length line and perpendicularly to it a line which corresponds to the axis of rotation The third dashed line outlines the material area Positioning the axis of rotation Once a device with the axis of rotation is installed on the milling table its position must be entered into the program 1 Before switching on the axis of rotation in menu Machine parameters gt Axes gt Axis of rotation perform a reference move 2 Fix the material to the rotation axis handle 3 Using the manual advance locate the device blade on the onset of material and over its axis of rotation 4 Save the position in menu Location under the name Axis of rotation 5 Switch on the rotation axis in menu Machine parameters gt Axes gt Axis of rotation Lines will appear on the screen symbolizing the axis of rotation with a direction adjusted to a selected axis X or Y 6 When using a 3 axes driver it is now possible to plug in the axis of rotation in place of a selected axis X or Y Tangent axis For cutting thick foil or cardboard a Tangential cutter is used The Tangential cutter is set with the use of stepper motors in the direction of material cutting The applied cutter must be double edged with the blade in the axis of rotation F
42. le is opened by the cncGraf program it can be opened in the text editor through the main menu File gt Open with text editor GRF files cannot be opened by an external text editor Internal text editor may load files type HPGL and DIN 66025 up to a specified size Maximum file size is shown in Mbytes Copyright 1993 2007 by Michael Boenigk 40 cncGraF Online Hilfe Files Once a file is opened the drawing can be automatically placed in zero position in the centre of the material or in an original position defined by the file Program cncGraF holds data in memory For large files the system can be overloaded To limit the data file size cncGraF includes several functions preventing the system overload e Working with large files for example Din 66025 is only conditionally sensible Therefore a limit can be set for maximum file size in MBytes If such maximum size is exceeded a symbol a appears in the bottom status bar Program cncGraF loads large files saving the computer memory with text editor and 3D view switched off and only repositioning and resizing of the drawing data enabled DIN 66025 In the event that a DIN 66025 file is loaded the dialogue window DIN 66025 displays speed rates from the file The speed rates function F for the DIN 66025 files are always supplied in millimeters per minute The cncGraF program makes use of the speed rate quoted in millimeters per second so the speed o
43. lustrator ai and Postscript eps e Autocad DXF 2D dxf 2 In the Merge Attach dialogue window for 3D files the following file types may be selected e Sieb amp Maier drl Excellon SM1000 SM3000 e Autocad DXF 3D dxf e DIN 66025 nc 4 It is not possible to merge attach files of different numbers of dimensions e g 2D and 3D Once the unit and the scale of the drawing are selected the Location choice dialogue window appears which makes it possible it define the location of the inserted file Browse with the aid of the view window With the use of the Browse function it is possible to view the files in the view window before they are loaded A file is loaded with a double click of the left mouse button All the loaded files are automatically added to the Favourite list which then makes it easy to find a particular file and load it again Description Key Menu command Icon Search with the use of the view none File e Search Fe window y In the course of opening the files the settings defined in the Options 39 dialogue window are applied Copyright 1993 2007 by Michael Boenigk 16 cncGraF Online Hilfe 4 2 Interpreter HPGL Hewlett Packard Graphics Language HPGL in short is a data format generated or exported by almost all CAD programs The cncGraF program interprets the following HPGL commands HPGL functions PU Tool up PD Tool down PA Fu
44. mance of cutting the position of the trailing cutter with respect to the axes is not known Thus the Y direction must be set accordingly see Illustration 1 Description Menu command Icon Correction of the Trailing cutterjnone Edit e Trailing none utter correction Rotation axis cutter a R diameter of the rotating cutter mm Cutter blade Td X Illustration 1 Starting point of the trailing cutter Immediately after the start the cutter must be adjusted with the help of the axial section in the Y direction see Illustration 2 Copyright 1993 2007 by Michael Boenigk 56 cncGraF Online Hilfe 7 6 A Illustration 2 Axial section in the Y direction In the Trailing cutter correction dialogue window the diameter of the trailing cutter is corrected Cutter offset is the distance between the rotation axes of the cutter and the cutter blade diameter of the cutter Angle start defines the angle deviations for subsequent paths The angles in the course of the correction of the trailing cutter path are calculated The bigger the angle start parameter the more rounded the angles The recommended value equals 8 degrees The Scale parameter expands the drawing Once the correction of the trailing cutter is calculated the drawing may no longer be expanded as the cutter s diameter has changed as well Pause The pause enables milling to be continued from any given location The
45. nce of the Ctrl W Move e Manual advance CNC milling machine The Manual advance dialogue window includes the following functions e Manual advance with the keys e Manual advance speed e Move to and fro e Turn on or off the drill spindle and the pump e Material offset se e Reference movel 4s park point 494 zero point 491 measurement scan point 497 Manual advance with the keys The CNC milling machine may be operated by pressing the arrow keys Tabulator and Spacebar or with the use of the mouse Each axis is monitored in the process of manual advance The control over each particular axis may be separately switched on or off With the function Relative advance a move is made of a precisely defined length To perform the move the length segment must be indicated in millimetres and an appropriate arrow key must be pressed The arrow key indicates the direction of the move There are three boxes to enter the move segments and it is possible to switch between them without the necessity to enter the values again Manual advance speed Here three different manual advance speed rates for axes X Y Z and A are defined expressed in millimetres per second The selected speed rate is used in the Key move and Move to and fro Copyright 1993 2007 by Michael Boenigk 48 cncGraF Online Hilfe 6 4 functions Additionally a very slow advance 5 steps per second is available This advance mode is used
46. nce the reference move is performed the absolute coordinates are deleted see Status bars 11 Reference move Results x Omm 0 Steps Y 0 01 mm 4 Steps Z 0 003 mm 1 Steps Results show loss in millimetres or steps atthe end close Reference move is performed with lower speed and takes quite a long time on large cnc milling machines Therefore function Accelerate reference move performs idle move to postion X Y Z near the reference point and only then the reference move is commenced Position X Y Z is set in dialog box Machine parameters gt Speed gt Accelerate reference move 321 yY Function Accelerate reference move cannot be used immediately upon the start up of the program It may only be used when the position of the CNC machine is recognised by the program At the end of the reference move loss of steps is shown in the Results field If the dialog window is to close automatically after a reference move then the function close at the end must be switched on In order to perform a move to the zero point park point or the measurement point the points must first Copyright 1993 2007 by Michael Boenigk 50 cncGraF Online Hilfe 6 6 be defined in the Position 35 dialogue window Material height scan In order to enable the engraving of an uneven material surface the material height measurement scanning with an appropriate raster may be
47. ng information e Both upper status bars indicate the current position of the CNC milling machine The position is displayed in absolute and relative coordinates in millimetres Relative coordinates may be deleted in the View dialogue window or directly on the status bar by pressing the key of a particular relative coordinate 0 Y 0 Z 95 998 A 0 CNC milling machine relative coordinates Here press the key to delete relative coordinate x RX 0 RY 0 RZ 0 RA 0 Illustration 1 The upper status bars with relative and absolute coordinates of the CNC machine e The bottom status bar indicates the mouse coordinates the unit and provides information related to the CNC milling machine s work amount of work performed in tool number speed of manual drive External Unit millimetres Percentage of signals are inches performed work and active Tool estimated remaining work number time x 766 4899 Y 359 7893 EB Glect 20 mm ass 4 os X 18 Z 16 A 10 3 21min 34s F1Help Move speed view in the course of Data editing is impossible Machine absolute relative coordinates Mouse coordinates Number of repetitions manual advance Illustration 2 The bottom status bar A The status bars may be turned on or off in the main menue View gt Toolbars Copyright 1993 2007 by Michael Boenigk 12 cncGraF Online Hilfe 3 5
48. nline Hilfe 3 2 3 3 Toolbars The most crucial functions are equipped with their relative icons on the horizontal and vertical toolbars and shortcut keys gY Toolbars may be turned on or off in the main menu View gt Toolbars Attachable dialog windows Modules Manual move Explorer Text editor Tracer PhotoVec 2D View 3D View are all attachable windows which can be minimized maximized moved or attached to an arbitrary place within the main window To change position of an attachable dialog box one needs to press the left mouse button while pointing to the title bar and hold The pointers used for placing are shown in the main program window Description Menu command Icon Reset attachable dialog windows none Settings e Reset attachable none dialog windows Now a pointer must be selected with the mouse cursor and the left mouse button released The highlighted window changed its position and is now on previously highlighted pointer If the needle icon on the title bar of the attachable dialog window is pointed down the dialog window is permanently set If the needle icon on the title bar of the attachable dialog window is pointed horizontally the window will close automatically when released Copyright 1993 2007 by Michael Boenigk Menu 11 3 4 The status bars The cncGraF program is equipped with three status bars which provide the user with the followi
49. none none ry perspective Front view none none E Copyright 1993 2007 by Michael Boenigk 26 cncGraF Online Hilfe 5 1 Settings In order for the cncGraF program to control the stepper motors the CNC milling machine parameters must be set and adjusted accordingly in the Machine parameters 2 dialogue window Apart from the CNC machine parameters other settings are possible for example Toolbox isi Material parameters 371 or Unit and scaling 427 Machine parameters Once the program is installed it is required to determine what the parameters of the CNC machine are the CNC machine is referred to here as the machine The parameters must be determined correctly as their wrong introduction may hamper the operation of the machine and may even lead to the damage of the processed material the milling cutter the drill or the milling machine To enable a quick change in the parameters for various types of machines the machine parameters may be entered into a file or a machine parameter file may be opened Opening a dialogue window with machine F8 ettings e Machine parameters e Open Saving machine parameters in a file none ettings e Machine parameters e Save Cnc machine setting assistant none ettings e Machine parameters e Cnc machine setting assistant Copyright 1993 2007 by Michael Boenigk Settings 27 ONC Milling Machine Parameter Setting Assi
50. ommands y Postscript or Adobe Illustrator can be used to import from program Corel Draw For the Corel Draw script to be accepted function Export text as spaces must be switched on Copyright 1993 2007 by Michael Boenigk Data files 25 4 8 The zoom functions The size of the drawing can be increased or reduced at any time In order to achieve this aim you can choose from several options For instance you can use the mouse to click on the appropriate icon or press the key 1 or 2 only in the 2D view The Zoom window makes it possible to enlarge expand the fragment indicated with the mouse The Pan function moves the drawing without changing its size All the zoom functions have been listed in the table below Zoom funcions in 2D and 3D view Description Menu command Icon a a S E A a S E Display the drawing F4 View e Display drawing Oy Display the machine area F3 View e Display 3 machine area Display the material F2 View e Display material 9 L Zoom in out only in 2D 1 or 2 mouse none none view position or mouse with scroll ew drawing CR Mewe Refresh a right key Pan ing move B drawing move bar Pan drawing move bar Zoom funcions in 3D view Description Key SS Menu command n mouse button while moving the mouse mouse button while moving the mouse minimisation of drawing s Top view none none View ISO none none Change from parallel to
51. or the drive of a stepper motor a 4 axes driver is necessary Once the 4 axis is activated with a switch 4 the function of the tangential cutter is available Steps turn is the number of stepper motor steps per one full turn Raise from the angle is the angle in degrees between the subsequent segments vectors within the scope of which the cutter remains in the material in the course of its rotation in agreement with the direction of move Over this angle the cutter is removed from the material turned in the new segment cutting direction and is again immersed into the material To avoid damage to the material the value of this angle should not exceed 45 degrees When the angle is smaller or equal to the rotation angle to the knife rotates in the course of the move until its blade finally achieves the move direction As the material may be damaged the indicated angle should be small up to about 10 degrees Z2 Function Z2 enables control of of cnc milling machines with double Z axis To drive axis Z2 control of 4 axis is needed By enabling 4 axis M A see Axis 28 the fourth axis can be defined as Z2 Distance Copyright 1993 2007 by Michael Boenigk 30 cncGraF Online Hilfe between Z and Z2 along axis X and Y must be entered at the end i On Z2 offset x 0 mm Y 120 mm Illustration 1 Axis Z2 is 20mm from axis Z S D Illustration 2 having defined the 4th axis as Z2 two cutter symbols are shown
52. performed first With the aid of thus acquired data correction of the Z axis is performed in the course of engraving or milling in this case the milling cutter penetrates the material to an unchanging and constant depth tolerance Description Menu command Material height F11 Move e Material height scan measurement scan Material height scan Distance from the edge Scan area Division x il mm x 40 mm x 4 times Lift the height meter fo mm Y 1 mm Y 40 mmo Y 4 times Display the scan area Height scan OK Cancel Height scan records all the settings closes the dialogue window and starts up the height scan OK records all the settings and closes the dialogue window Cancel closes the dialogue window without saving the settings Illustration The Material height scan dialogue window parameters The dialogue window parameters in detail Distance from the edge To avoid error measurement on the material edge the area under measurement should not be in contact with the edge of the material Scan area Here the size of the area under measurement is defined in millimetres in X and Y directions Division The number of measuring test points that is the so called raster is calculated by the program on the basis of dividing the length and the width of the material by the value quoted in the material division box For example with the length of material equal
53. performed once only Value 1 indicates that the process is repeated one time etc This function along with the notch correction in axis Z facilitates such processing when the material must be subjected to several working cycles e g the milling of deep holes in metal grinding etc Program cncGraF offers the following options for function Repeat processing 1 Function Processing relative to object can be used only for 2D drilling data In this case an object is processed in full before the next is handled see example below Square is performed 3 times Repeat process has value 2 Now a move to the next object is performed Circle is performed 3 times Repeat process has value 2 Illustration 5 Processing relative to object minimised the time required for processing 2 Function Repeat processing without changing the order of operations defined in the file performs work exactly as defined in the file Repeat processing without V changing the sequence of processing defined in the file Numer of repetitions ih al Correction of immersion o mm 3 If the above options are switched off Repeat processing is performed according to the order of tools Copyright 1993 2007 by Michael Boenigk Move 47 6 3 Properties The Properties tab includes the following functions e The function Measure the tools may not be switched on without the function Change tools
54. ration PIN reference assistant In the course of the Reference Move first the Z axis moves upwards until the limit switch switches into operation and next the axes X Y and A perform the same operation in a set reference move sequence Once all the axes reach the limit switches they then move slowly in the opposite direction until the switches are disconnected The counters for axes X Y and A reach the zero value whereas axis Z is set at the length of this axis The move direction and reference move direction may if needed be changed The correctness of a set direction may be checked in case of manual advance Axis X moves forward when pressing the cursor key The key moves the Y axis forward whereas the key moves the Z axis downwards that is in the negative direction It is advisable to limit the motor current as it protects the driving motors against overheating in the course of a lengthy inactivity Controller SMC4D has input drives 1 2 3 and 6 for the reference move Depending on the cables connectors X Y A and Z may be freely assigned to the reference input drives The hood switch controls the hood in the course of milling If the hood is raised in the course of milling then milling is stopped and the Raised hood report appears Sometimes the output drives are distorted and they function the other way round In this case such output drives must be inverted The spindle pump motor current and the fixing clamps may be in
55. right 1993 2007 by Michael Boenigk Move 53 7 7 1 7 2 Data editing The cncGraF program has numerous functions meant for use when editing a drawing All such functions can be found in the main menu Edit and most of them may be activated by clicking the icons on the vertical toolbar The Undo function makes it possible to undo the last 10 changes Insert copy rotate mirror reflection and expand The main menu Edit gt Drawing has functions for the purpose of editing a drawing A given drawing or its part may be positioned differently changed or copied All the functions have been constructed similarly and are made up of the same or similar elements The range defines the area material or machine area which is subject to positioning Example A drawing may be positioned in the centre of the material by choosing the Material scope The displayed groups help to select the data which is subject to editing Example In the event that only the drill points are to be moved with the use of the Insert function the Drill points group must be selected Depending on the type of data at your disposal the particular groups are on or off Description Menu command Icon The drawing may be positioned in thejnone Edit e Drawing e Locate centre or with relation to the zero point or the machine area degrees clockwise or counter clockwise be performed on axis X or Y Fone at raving Copy multitude of time
56. rther move to positions with latest definitions PR Move to relative position SPx Tool number AA Absolute arc AR Relative arc CI Circle HPGL Description of commands ool up Move to the absolute position X 100 Y 50 Move to relative position so that the new absolute position is X200 Y100 ool down ircle radius equal 100 counter clockwise for radius 100 clockwise Draws a 50 degree radius arc with its centre at point aa 10 E X300 Y200 and the starting point at 100 50 ool choice here tool no 1 SP1 Copyright 1993 2007 by Michael Boenigk Data files 17 4 3 Drill data interpreter The cncGraF program recognizes the following drill data formats Excellon Sieb amp Maier 1000 and Sieb amp Maier 3000 Two examples have been provided below Sieb amp Maier Description of commands Example 1 Example 2 o O 7A 7A 01 Tool no 1 has been selected Move to positions X100 Y10 and he tool immerses in the material M30 end of program There are two types of drill data at your disposal The first format see example 1 the coordinates are always 5 digit ones This is why they have the leading zeroes The back zeroes are frequently skipped The second format see example 2 has no leading zeroes and the numbers are of varied length The Options 391 dialogue window makes it possible to set the type of drill data Copyright 1993 2007 by Michael Boenigk
57. s The drawing may be expanded by ill Edit e a Expand quoting the margin on the material or the machine area Selection window The Selection window allows for editing particular drawing elements with the mouse moving rotating copying or deleting The first operation to be performed is the selection of relevant data type that is the Vectors Poly lines Drill points or All by clicking the icon on the horizontal toolbar The graphic range of the drawing shall now display the mouse cursor a cross and the appropriate data may be selected now By pressing the left mouse key moving the mouse and pressing the left mouse key again a rectangle is pulled to enclose the drawing or its part Eventually the drawing or a part of the drawing is enclosed in the rectangle see Illustration Copyright 1993 2007 by Michael Boenigk 54 cncGraF Online Hilfe 7 3 Description Menu command Icon Selection window allows for the selectionjnone none with the mouse of a drawing or a part of the drawing for editing Click left muose key and turn the chosen drawing with the use of the mouse Click left mouse key and drag the chosen drawing with the use of the mouse Illustration The content of the selection window is rotated with the use of the mouse Once the data has been selected with the use of the mouse a particular operation may be conducted by choosing a key function and by pressing
58. stant Welcome to the CNC Milling Machine Parameter Setting Assistant The Assistant armste ri grele setup of the Fes machne The set parameters may be changed in the dalogue box Machine parameter Special functions tor exareple the 4th ante matenal height scan serscr automatic tool changer etc are not set by the Asulat S To 2e up the m ng machine anew you need detaled mfomston regarding you paoia 4 machre Such nioriaion may be found n the machne masasi oi ts technical dalasheri To contra cick Newt Illustration Cnc machine setting assistant easily sets 3 axis cnc milling machines All the CNC milling machine parameters are saved in the cncGraF in the machine directory in an XML file type The dialogue window Machine parameters is organised in the following manner Code 28 Axes 287 Axis of rotation 287 Tangent axis 295 Z2 29 Backlash elimination 30 Pin parameters Port A 317 Input signals Port A B 32 Speed 32 Automatic tool change 334 Height scan sensor 34 The OK and Apply keys Any changes made in the Machine parameters dialogue window are saved by pressing the OK or the Apply keys The Apply key does not close the dialogue window and the introduced changes are applied right away without opening and closing the dialogue window Copyright 1993 2007 by Michael Boenigk 28 cncGraF Online Hilfe 5 1 1 5 1 2 1 Code When the machine parameters are s
59. ter is performed via the USB 1 1 port Power supply for the system may be performed from the source of port USB 1 1 or through a flat cable connection of 5 V stabilised voltage to the MOST3 4A driver for stepper motors Copyright 1993 2007 by Michael Boenigk 6 cncGraF Online Hilfe 2 5 1 Starting up the controller 1 After installing the USB driver and the cncGraF program controller SMC4D must be connected to the computer and the stepper motor driver 2 Switch the stepper motor driver The spindle of the milling machine should not switch on now Otherwise contact S1 in the controller Dip switch Dip Schalter needs to be toggled 3 Start the cncGraF Win program SMC 4D Lattice Dip Schalter SMC4 U S2 inverts the signal to the coolant pump and transmitters 2 and 3 S3 inverts the beat signal to the stepper motors Depending on the stepper motor driver the beat inversion may prevent loss of the motor steps Copyright 1993 2007 by Michael Boenigk Basics 7 List of signals on D SUB 25 contact joint connection ONDIN Spindle transmitter 1 X direction X beat Y direction Y beat Z direction Z beat Transmitter 3 Transmitter 4 Reference switch 1 11 12 13 Reference switch 2 Reference switch 3 Scanner and tool length scan sensor Pump transmitter 2 Reference switch for 4th axis A A direction Electric current red
60. th and or depth It is also possible to choose option Lock aspect ratio to maintain the width height ratio Copyright 1993 2007 by Michael Boenigk 58 cncGraF Online Hilfe Photo ec no picture loaded Tees File Settings Input Output Picture Size Size Width Height Set new size as procent of original Width Height z M Preserve aspect ratio Brightness g Contrast u Set default fa E f Manu E Te Ph T Before exiting brightness and contrast can be adjusted Selecting Standard removes all the changes 2 3 Step 3 Data destination settings Sending data to Milling There are two possible settings of White 1 White at the bottom the brighter the point on display the higher is its negative value of Z 2 White on the top the darker the point on display the higher is its negative value of Z Example For depth value 0 5mm from Max and setting White on top the white point has value Z 0 and black Z 0 5 The object can be milled in one or many layers Set maximum depth is evenly spread over all the layers Example For two layers and maximum depth of 2mm the first layer will be milled to 1mm of depth and the second to 2mm The milling depth for each layer can be adjusted after choosing the layer from the menu The tool can be changed as well At any given moment the same tool is used for all the layers Sending dat
61. time 0 ms Do not turn the pump off in the course of milling IW Start the pump only after the Hpgl PD command for PLAZMA LASER T Relay for spindle Z2 13 v Default unit C imil 1 40 C 44100 1 1000 f Use definable 0 02499 Illustration 3 All settings for HPGL interpreter Sieb amp Maier There are two different types of drill data see Interpreter of drill data 177 Select one of the two types by ticking the type selected DXF When function Ignore Z values is switched on all the files are loaded in 2D format Therefore values of Z in DXF files are ignored and set to value of 0 see also chapter Interpreter DXF 221 Default units For HPGL Sieb amp Maier and DXF files default unit may be set This has the advantantage that when a file is being opened a most commonly used unit is proposed A If the unit is changed the previously loaded file does not change Therefore the parameters must be set first before opening the file Copyright 1993 2007 by Michael Boenigk 42 cncGraF Online Hilfe 5 8 Keypad The dialogue window Keypad may define for some functions shortcut keys of the keypad As such functions are activated directly with the keys it is recommended that the keys be selected carefully The whole list of defined keys may be switched on or off with one connector Menu command _ Icon Definition of shortcut keys jnone Settings e Keypad none for some functions
62. tion There is no connection SMC4D with the drive electronics e Disconnect the USB cable and plug in again of SMC4D In the course of a reference move at least one axis moves slowly from or to the axis connector The CNC milling machine can be heard working but does not operate The CNC milling machine works well at the beginning After a few minutes either communication is interrupted or inexpicable errors occur Change the USB cable to a different one Turn off the electronics and turn it on again End the program and restart Check in the Windows system tool manager if the electronics drive is recognized by Windows The USB Controller section must state SMC4D The reference move directions have been set wrongly and must be changed For a correct setup of the pin connectors please use the Reference pin assistant More information in the Machine parameters 2e 1 chapter The stepper motors are not supplied with enough electric current which in case of stepper motors must be inverted More information in the Machine parameters ze chapter Probably the computer switches off on its own after a few minutes Please turn off the Power Management in BIOS Please also check the power management in the options of Windows management panel Copyright 1993 2007 by Michael Boenigk
63. to Relative and make a note of them 3 Locate the tip of the height sensor precisely above the marked point 4 Choose the Machine parameters option from the menu and enter the previously noted coordinates into the Offset area box Copyright 1993 2007 by Michael Boenigk Settings 35 5 2 Positions In order to perform a move to the park point or the measurement point the points must first be defined in the Position dialogue window This window may be opened through the main menu of the program or the Manual advance dialogue window Description Menu command Icon Position setting Ctrl P Settings e Position in the program main menu or Settings e Zero point Park point Measurement Point in the Manual advance dialogue menu Here any number of zero points park points and measurement points may be defined however only one of each of the point types may have the in use status For this reason only maximally one zero point one park point g and one measurement point f is graphically displayed in the drawing Selection of zero point park point and measurement point By choosing a relevant tab the type of position for the purpose of processing is selected and a list of such positions appears Zero point ij Measurement point ar Park point Status Name x ig z A Material thickness x alu 290 649 97809 74462 0 66 08 wf name 30 31 74074 0 65 692 x test 20 0 100 0 91 618 x Namex
64. tor allows to count the tools from number 0 Finally the colour of the empty of full space in the device may be given Next the position X Y and Z of the first tool must be given e The Offset list defines positions of the next tools maximum up to 32 The offset is the distance of axis X and Y to the last tool Particular tools may be switched off by clicking a box on the list Tools switched off are not displayed graphically Copyright 1993 2007 by Michael Boenigk 34 cncGraF Online Hilfe 5 1 6 Height sensor The height sensor measures the height of the material surface With the backup of data the measured material surface cncGraF corrects the height of the drill spindle axis Z in the course of milling A further possibility is the export of material height data to DXF format as lines or points or to format Din66025 For the height sensor to work appropriately the distance offset in X and Y between the height sensor and the tool tip see illustration must be measured carefully and accurately Height sensor Offset X 12 mm Y 21 mm Illustration Distance between the height sensor and the tool How to calculate the distance between the height sensor and the tool Offset 1 Move the machine to Point Zero of the material and carefully and accurately mark this position on the material e g by scratching the surface with the tip of the milling cutter 2 Change the machine coordinates
65. u includes functions which concern file processing editing Some functions at your disposal here are open file close the opened file open text editor Detailed information on the topic of files has been included in the data chapter 2 The Edit menu includes functions which concern the processing of entered data A drawing may be altered here or the Tangential cutter correction may be calculated Detailed information on the topic of data processing has been included in chapter entitled Data editing 3 The View menu includes functions which change the size of the loaded drawing Detailed information on the topic of viewing data has been included in the chapter entitled The Zoom function 4 The Move menu includes functions which advance the CNC milling machine Some of the functions are Simulation Job Material height scan or Machine manual advance Detailed information on the topic of advancing the CNC machine has been included in chapter entitled Move 5 The Setup menu includes all the functions concerning the setup of the CNC milling machine and the cncGraF program The particularly important function is Machine parameters which must be set well so that the CNC machine operates accordingly Detailed information has been included in the Settings chapter 6 The Help menu is equipped with a user s manual and information on the topic of cncGraF Copyright 1993 2007 by Michael Boenigk 10 cncGraF O
66. uction for motors A beat Connect N C to GND Connect N C to GND Connect N C to GND Connect N C to GND Connect N C to GND N C GND Copyright 1993 2007 by Michael Boenigk cncGraF Online Hilfe 2 6 Spindle rotation The control signals for the spindle rotation are available on pins 5 8 Con3 in 15 degrees More information can be found in chapter Toolbox 377 ind pindle rotations in degrees no rotation in 7 Oloo STOT 1T TS TS 1 TOT OT TTS OI 1 Tu O oO oOo oOo _ _ Oo O oO OF oO oT o1 maximum rotations Starting up the cncGraF program Once the program is installed cncGraF may be started up by clicking the icon on the desktop or by clicking the Start menu gt Programs key cncGraF may be started up only once At the start up it is possible to quote a file along with a catalogue which shall be opened automatically Example cnc exe c directory file plt During the first start up the cncGraF program does not have any configuration setup and the basic configuration is being established Before you can do any actual work on the CNC machine specific machine parameters must be determined this only once in the main menu Settings gt Machine parameters gt Adjust Optionally it is possible to download the specific machine parameters from the main menu Setup gt Machine parameters gt Open All the machine
67. verted Output may also be adjusted for the pump spindle and the fixing clamps Copyright 1993 2007 by Michael Boenigk 32 cncGraF Online Hilfe 5 1 3 1 Input signals Port A B There are further 9 inputs on the side of the SMC4D controller These are for the following external signals e Job start e Job continue e Pause the machine has been stopped e Start the reference move e The hood has been opened If the hood has been opened in the course of milling or the reference move then the work of CNC milling machine is stopped immediately and the message Hood is open appears e The last two slow readings work identically to the above hood queries with a small exception that now an arbitrary message can be entered oO Hood is open 5 Yes 5 No 5 Yes Illustration Instead of sign an arbitrary message can be entered The external signal must amp be ticked to be active 5 1 4 Speed The speed must be adjusted accordingly to the type of the CNC milling machine Too high speed may result in a loss of step The following parameters are available e The maximum speed parameter determining the maximum permissible speed at which the machine operates appropriately and skips no steps e Reference speed is the speed of axes X Y and Z in the course of performing the Reference Move Function Accelerate reference move 49 performs idle move before the reference move Position of the idle move may be defined arbitr
68. w zero point may be selected YY If a new point is needed it must be defined in the Position 35 dialogue window Toolbox The Toolbox dialogue window controls the two lists of tools for the vectors for HPGL and optionally for DIN 66025 see chapter Options 391 and the drill points Sieb amp Maier Each list may manage up to 100 tools and offers such properties as for example working speed speed of pulling out the tool depth of penetration diameter etc These properties are used in the process of milling drilling or at calculating the tool correction The column Active No enables the switching on and off of particular tools Switched off tools are not displayed in the drawing and are not used for milling and drilling Description Menu command Icon Opens the Toolbox dialogue window Ctri T Settings e Toolbox P Depending on the depth of immersion and the type of tool the diameter of the milled surface changes As help for the calculation of the diameter the Calculate diameter dialogue window may be used by clicking the key beside the diameter box Calculation of the tool diameter is possible only for the milling cutter The diameter is necessary for tool diameter correction 61 Rotations of the spindle are regulated in 15 degrees By pressing key Ed next to field Spindle rotations the ranges for the 15 degrees are difined In column Z2 in the toolbox table the tools can be directed to Z2 axis Function Z
69. xx 10 5 34 0 25 618 Illustration Tag selected for zero points Insert positions By clicking the Add option the Add positions dialogue window appears Here the parameters of a new point X Y Z A coordinates status and name of point are entered By clicking Insert the current machine coordinates are entered into the input fields Height may be defined by entering the material thickness data In order to enter the material thickness data calibration of the tool length sensor must be performed once Key OK closes dialog box and saves new point on the list Change positions First you need to select a point that you wish to change from the list Then it is possible to change the properties of the selected point directly by clicking on the column in the table of a particular point value Also by selecting Insert positions you may enter the current coordinates of the CNC milling machine by clicking Insert Delete positions In order to delete a location from the list first the selected location must be entered and then the Delete key must be pressed Changing the properties of positions These properties define the performance of zero points scan points and park points A move to a particular point may be performed directly or in a defined sequence of axes The Display confirmation option turns on or off the dialogue window which appears prior to a move to a point A move to the Copyright 1993 2007 by Michael
70. zero point move the drawing together with the material V When the program starts suggest a reference move Switch off the messages sensible only when the steering is performed with external keys Automatic saving of program configuration every 5 minut Illustration 1 There are additional special functions in group Misc parameters Messages The position of the drawing or the material lack of command M03 only Din 66025 or lack of a reference move may be checked before milling For cncGraF to be able to control the command given must be active V Check the position of drawing before milling Check the position of material before milling V Check the command M03 before milling Check if the reference move has been performed before milling Illustration 2 All messages View This option includes the settings which define the view of the idle running of vectors the area of height scan the raster tool correction toolbars 3D view and the absolute and relative coordinates The size of the raster is arbitrary and is quoted in millimeters or in inches The view of the particular elements may be switched on or off in the main menu View Font types may be defined for apsolute and relative coordinates In the main View menu it is possible to turn on or off the status bars 111 External and internal text editors Text editor capable of reading HPGL DIN 66025 and Sieb amp Maier files is accessed here If such a fi

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