TNC 620 - Klartext Portal
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1. 44 22 24 46 49 93 133 141 142 mer Display step to 0 01 um or 0 00001 Gantry axes in masterslave torque control Load and convert DXF contours OEM process 579650 01 Python application on the 630916 01 Touch probe cycles for automatic measurement of Double 632223 01 Short controlHoop cycle times for direct drives E tool 676938 01 Extended tool management Remote desktop 894423 01 di and remote operation of external computer units manager e g a Windows PC _ Crosstaikcome for 800542 01 CTC Compensation of axis couplings Pos adept control 0 80054401 PAC Position dependent adaptation of the control parameters METTI ame LAC Load dependent adaptation of the control parameters Mee ra MAC Motion dependent adaptation of control parameters 145 146 800547 01 ACC Active suppression of chatter SRE vibration damping 800548 01 AVD Active suppression of vibration 45 Overview Comparison of controls e Basic machining centers up to 5 axes spindle e Machine tools machining centers up to 18 axes 2 spindles NN e Milling turning operation up to 18 axes 2 spindles WEN Program entry e HEIDENHAIN conversational e 005 e DXF converter Option e FK free contour programming er e Extended milling and drilling cycles e NC program memory 51 CB 52. 36 0000 Display of a 3 D model in the CAD viewer 31 Open for communication Fast data transfer with the INC The networked TNC 620 The TNC 620 can be integrated into networks and connected with PCs programming stations and other data storage devices Even in its standard version the TNC 620 features a latest generation Gigabit Ethernet interface in addition to its RS 232 C V 24 data interface The TNC 620 communicates with NFS servers and Windows networks in TCP IP protocol without needing additional software The fast data transfer at rates of up to 1000 Mbit s guarantees very short transfer times The transmitted programs are saved in the internal memory of the TNC 620 and are run from it at high speed For well organized program management on your control simply place the individual files in directories folders You can structure the respective directories through individual subdirectories 32 Ethernet Ethernet TNC 320 Ethernet interface TNC 620 Ethernet interface ITNC 530 Ethernet interface Programs for data transfer With the aid of the free PC software TNCremo from HEIDENHAIN and an Ethernet or other data interface you can e transfer remotely stored part programs and tool or pallet tables in both directions e start the machine With the powerful TNCremoPlus PC software you can also transfer the screen contents of the control to your PC using the live
3. HEIDENHAIN fa Tis iem ampi do DOT ER Ted m jo Drini 1 TaLi PGR nan a CALL HEI u Crea DAS T m 1 1 18 ee dhiii wi 1 Grey pmi TNC 620 Compact Contouring Control for Milling Drilling Po EE LL mati FER von and Boring Machines lt mm Ln m C September 2015 This brochure describes the functions and specifications of the TNC 620 with NC software 81760 03 2 o En LT ro v o enm Contents The 620 Where can it be used Compact and versatile 4 he right control for milling drilling and boring machines What does it look like Well designed and user friendly 6 What can it do How is it programmed Are there any accessories At a glance The TNC 620 in dialog with the user he functional user interface Quick and reliable machining with high contour accuracy The TNC 620 permits optimum tool movement Dynamic Precision Machining any contour slots with trochoidal milling option Active chatter control option ACC Machining with five axes Swivel head and rotary table controlled by the TNC 620 Minimize setup times The TNC 620 makes setup eas
4. Seid Leepir Expradd wear 33 Open for communication he INC 620 programming station Why a programming station Its well known that it is easy to create part programs on a TNC 620 at the machine even while another part is being machined Nevertheless it can often happen that short reloading times and other machining tasks hinder any prolonged or concentrated programming work With the TNC 620 programming station you have the capability to program just as you do at the machine but away from the noise and distractions of the shop floor Creating programs Programming testing and optimizing HEIDENHAIN conversational or DIN ISO programs with the programming station substantially reduces machine idle times And you need not adjust your way of thinking every keystroke fits because on the programming station you program on the same keyboard as at the machine Testing of programs created offline Of course you can also test programs that were written on a CAD CAM system The various views of the program verification graphics help you to easily spot contour damage and hidden details Training with the programming station Because the TNC 620 programming station 15 based on the same software as the TNC 620 it is ideally suited for apprentice and advanced training The program 15 entered on the original keyboard unit Even the test run functions exactly as it does on the machin
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7. each key by clearly indicating the active machine functions Wage ea The combination of the straightforward and ergonomically designed keyboard and the well designed screen layout are the essence of reliable and fatigue free operation These are principles that HEIDENHAIN controls have always embodied However the TNC 620 also offers a number of features that make working with the control even easier and userfriendlier than ever HBEUIH POM 333 MM 1 BLK FORM 0 1 Z Ke Y O Z 30 2 BLK FORM 0 2 4100 100 feo 3 TOM CALL 5 2 32500 L z 250 RD FMAM M3 7 GFDL DEF 202 BORE MILLING O200e42 5 CLEARANCE ti 2 150 FEED AATE FLHDNU 0334 0 25 PLUNGING DEPTH 203 41 SURFACE COOADIMATE Bidder 50 zNU SET UP GLEANAKGE D336m E5 NDMINAL 0242 20 BOuGHIND DIAMETER D3512 1 GLIMB QA DP ELIT L X 20 25 RD L 225 Au bns i 50 AG FMAX Woo 11 Xe 85 Ad FMAX H95 12 CYCL DEF 19 0 WORKING PLANE 13 GGL DEF 10 1 14 CYCL DEF 19 0 WORKING PLANE 15 GYCL DEF 19 1 Attractive view The user interface of the 620 has a modern appearance with lightly rounded forms color gradients and a homogenously designed font The individual screen areas are clearly distinguished and the operating modes are also indicated by their respective symbols To better distinguish between the priority o
8. graphics even while the workpiece is SET WORKPIECE STANDARD THH VALUES Tow BE being machined Also it shows a real time graphic of the machining progress during program run Coolant spray and protective enclosures usually obstruct any direct view of the actual workpiece You can get around this with a simple keystroke to see the simulated progress of workpiece machining 3 D line graphics The 3 D line graphics displays the programmed tool center point path in three dimensions With the powerful zoom function you can also see the finest details You should especially use the 3 D line graphics to inspect programs created offline for irregularities before machining in order to avoid undesirable traces of the machining process on the workpiece e g when points are output incorrectly by the postprocessor Test run n 2 Teat run 00 23 19 WORKPIECE TOC TRAMSPAR L on n Xm 23 Programming in the workshop Straightforward function keys for complex contours Programming 2 D contours Two dimensional contours are the bread and butter of the modern machine shop Here the TNC 620 offers a variety of possibilities Programming with path function keys If contours are dimensioned for NC which means that the end points are specified in Cartesian or polar coordinates then you can program them directly with the path function keys 24 Straight and circular contour elements To prog
9. n 1 BLE FORM 6 1 Z 100 86 Z 5 FORM 0 2 Xe50 Ye100 2 0 TOOL CALL Z 52000 FH 0 055 200 STARTING ANGLE L 0 Y 50 F500 L Z 5 APPA LET Meh w 32 AP AL Faoo 3 L IX 75 10 DA COX 758 60 12 11 ATO 12 DA 60212 50 13 FLT AMN 270 14 32 DR R32 COxen Coved 18 FSELECTZ 18 DEP LET 5 0 Y 50 H2 FMAX 3 a 5 7 22 L amp Ad 236 Yeo DA 4 L IX 18 Like the 530 and TNC 640 the large HEIDENHAIN controls the TNC 620 version with a separate keyboard unit provides additional function units The alphabetic keypad enables you to easily enter comments and G codes The integrated machine operating panel features easily exchangeable snap on keys that allow simple adaptation to the respective machine configuration And the operating panel features a complete set of PC keys and a touchpad a Programming Programming e SSH RDS Boe a a Ps 8 Hes MA iA eae 8 gaa ray a o 208 ene ef Aen eee mr Jy BEG Dales S a USB port for additional data storage or pointing devices The screen content includes two operating modes the program graphics and the machine status PLC function keys soft keys for machine functions Self explanatory function keys soft keys
10. 19 Not all workpieces are dimensioned for conventional NC programming Thanks to FK the control s free contour programming feature in such cases you simply type in the known data without first having to convert or calculate your data It does not matter if individual contour elements are not completely defined as long as the complete contour has been If the given data result in more than one mathematical solution the helpful TNC 620 programming graphics presents the possible variants for your selection Programming tel Programming THC progiExT amp h FORM 0 1 Z X 150 55 7 10 FORM 0 2 X 50 Yoho Feo TOOL GALL 3 2 53000 L 2 100 AO FMAX 3 50 1 0 2410 Ro FMAM Mz L 2 5 F200 L X 41 AL F500 FC DH CCX 0 Gel DA A109 FET 08 CCX 108 CCov o FSELECTZ 09 R210 O 41 Y D DR Aai COx 0 CDY 0 FSELECT1 L X 60 RD L z 10 1 0 L 2 5 CC 2 0 Y n X 18 AL Keio Yeo De 0 mn Zeid Xe i049 CO D 25 Programming the workshop Field proven cycles for recurring operations Comprehensive fixed cycles for milling drilling and boring Frequently recurring operations that comprise several working steps are stored in the TNC 620 as cycles You program them under conversational guidance and are supported by graphics that clearly illustrate the required input parameters Standard cycles Besides the fixed
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12. Inspecting workpieces for proper machining and dimensional accuracy option 17 The TNC 620 features a number of measuring cycles for checking the geometry of the machined workpieces To run the measuring cycles you insert a 3 D touch probe from HEIDENHAIN see page 36 into the spindle in place of a tool This enables you to e recognize a workpiece and call the appropriate part program check whether all machining operations were conducted correctly e determine infeeds for finishing e detect and compensate tool wear e check the workpiece geometry and sort the parts e log measured data ascertain the machining error trend Tool measurement and automatic compensation of tool data option 17 Together with the and TL touch probes for tool measurement see page 37 the TNC 620 can automatically measure tools while they are in the machine The TNC 620 saves the ascertained values of tool length and radius in the central tool file By inspecting the tool during machining you can quickly and directly measure wear or breakage to prevent scrap or rework If the measured deviations lie outside the tolerances or if the monitored life of the tool is exceeded the TNC 620 locks the tool and automatically inserts a replacement tool Tool management For machining centers with automatic tool changers the TNC 620 offers a central tool memory for any number of tools The tool memory is a freely configurable file an
13. additional fixed cycles and saving them in the TNC 620 However the end user can write his own cycles as well HEIDENHAIN makes this possible with its PC program CycleDesign This enables you to organize the input parameters and soft key structure of the TNC 620 to suit your own needs Programming ta Programming THE nc progiPAT H BEGIN PAT BLE FORM 1 Z X 0 Yeo 2 20 FORM 0 2 X 100 Ye200 Zen TOOL CALL 5 Z S2000 L z i1 0 MO FMAX M3 Stay simple and flexible when programming machining patterns Machining positions are often arranged in patterns on the workpiece With the TNC 620 you can program very diverse machining patterns simply and extremely flexibly of course with graphic support You can define as many point patterns as desired with various numbers of points Then you can execute all points at once or each point individually 3 D machining with parametric programming With parameter functions you can program simple 3 D geometric figures that can easily be described mathematically Here you can use the basic arithmetical operations trigonometric functions roots powers logarithmic functions parentheses and logical comparisons with conditional jump instructions Parametric programming also offers you a simple method of realizing 3 D operations Of course parametric programming is also suited for 2 D contours that cannot be described with line segments or circular arcs but rather throu
14. all current error messages Context sensitive help function for error messages TNCguide The integrated help system User information available directly on the TNC 620 Graphic support for programming cycles Comment and structure blocks in the NC program Actual positions can be transferred directly into the NC program Graphic simulation before a program run even while another program is running Plan view projection in three planes 3 D view also in tilted working plane 3 D line graphics Detail zoom In the Programming and Editing mode the contour of the NC blocks is drawn on screen while the blocks are being entered 2 D pencil trace graphics even while another program is running Graphic simulation during real time machining Plan view projection in three planes 3 D view Calculation of machining time in the Test Run operating mode Display of the current machining time in the Program Run operating modes Mid program startup in any block in the program returning the tool to the calculated nominal position to continue machining Program interruption contour departure and return For saving any reference points Several datum tables for storing workpiece related datums Pallet tables with as many entries as desired for the selection of pallets NC programs and datums can be machined workpiece by workpiece 41 Overview User functions continued User functions 17 Touch probe calibration 17 Compensation of workpiece
15. axis and high speed machining Option Block processing time 0 5 ms Input resolution and display step standard option 0 1 um New design of the screen and keyboard 15 19 inch screen Optimized user interface LEON MET Adaptive feed control AFC OC Option Active chatter control ACC Option Dynamic collision monitoring DCM Option Option KinematicsOpt Option KinematicsComp a Option Touch probe cycles MEE MN Pallet management LEN M o e e Parallel axis function Standard Not available 46 47 HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH Dr Johannes Heidenhain Stra e 5 83301 Traunreut Germany 49 8669 31 0 49 8669 32 5061 E mail info heidenhain de www heidenhain de DE AR AT AU BE BG BR BY CA CH CN CZ DK HEIDENHAIN Vertrieb Deutschland 83301 Traunreut Deutschland amp 08669 31 3132 08669 32 3132 E Mail hd heidenhain de HEIDENHAIN Technisches B ro Nord 12681 Berlin Deutschland 030 54705 240 HEIDENHAIN Technisches B ro Mitte 07751 Jena Deutschland amp 03641 4728 250 HEIDENHAIN Technisches B ro West 44379 Dortmund Deutschland 0231 618083 0 HEIDENHAIN Technisches B ro S dwest 70771 Leinfelden Echterdingen Deutschland 0711 993395 0 HEIDENHAIN Technisches B ro S dost 83301 Traunreut Deutschland amp 08669 31 1345 NAKASE SRL B1653AOX Villa Ballester Argentina www heidenhain com ar HEIDENHAIN Techn
16. for NC programming Keys for screen management screen layout mode of operation and for shifting between soft key rows Axis selection keys and numeric keypad Function keys for programming modes machine modes TNC functions management and navigation Override potentiometers for feed rate and spindle speed Ergonomic and elegant state of the art and field proven HEIDENHAIN controls new design Judge for yourself Durable The high quality stainless steel design of the TNC 620 features a special protective coating and is therefore highly resistant to soiling and wear Smooth The rectangular slightly rounded keys are pleasant to the touch and reliable in operation Their inscriptions do not wear off even under extreme workshop conditions Versatile Soft keys both for the programming and the machine functions always show only the currently available selections Sensitive With the handy control knobs you can individually adjust the feed rate and spindle speed Communicative The fast USB 2 0 interface lets you connect storage media or pointing devices to the keyboard simply and directly Flexible The integrated machine operating panel with the version with a separate keyboard unit features easily exchangeable snap on keys Reliable The elevated key bed of the machine operating panel with the version with a separate keyboard unit prevents accidental actuation LEDs serve for status display of
17. management e in a datum table or by directly setting the displayed value Setting a datum at a corner for example or in the center of a circular stud Datum management The datum management makes flexible machining shorter setup times and increased productivity possible In other words it makes it much easier to set up the machine In the datum management you can save any number of datums and assign an individual basic rotation to each one To permanently save fixed datums in the machine working space you can also provide individual lines with write protection There are three ways to save datums rapidly in the datum management e n the Manual mode by soft key e By using the probing functions e With the automatic probing cycles Manual operation a co 8 T O b 1 gt a sis Fm 0 X Nm P4 T4 0 Y Nm 09 21 19 Automated machining Ihe INC 620 measures manages and communicates The difference in requirements placed on the classical machine for tool and mold making and machining centers is becoming ever less distinct Of course the TNC 620 is capable of controlling automated manufacturing processes It masters the range of functions needed to start the proper machining operations on individual workpieces in any setup and even in interlinked machining 20
18. misalignment manual or automatic 17 Datum setting manual or automatic 17 Automatic tool and workpiece measurement Compensating movement in the secondary axes U V W through the principal axes X Y Z Including movements of parallel axes in the position display of the associated principal axis sum Touch probe cycles Parallel secondary axes display Defining the principal and secondary axes in the NC program makes it possible to run programs on different machine configurations English German Czech French Italian Spanish Portuguese Swedish Danish Finnish Dutch Polish Hungarian Russian Cyrillic Chinese Traditional Simplified Slovenian Slovak Norwegian Korean Turkish Romanian Conversational languages Display CAD models on the TNC CAD viewer 42 Electronic handwheels Workpiece measurement Tool measurement Programming station One HR 510 portable handwheel or One HR 520 portable handwheel with display or One HR 550 portable wireless handwheel with display or One HR 130 panel mounted handwheel or Up to three HR 150 panel mounted handwheels through an 110 handwheel adapter 1 TS 230 3 0 touch trigger probe with cable connection e TS 440 3 D touch trigger probe with infrared transmission or TS 444 3 D touch trigger probe with infrared transmission or e TS 640 3 D touch trigger probe with infrared transmission or e TS 740 3 D touch trigger probe w
19. screen function The integrated PDF viewer enables you to The following further file formats can also open PDF files directly on the control The be opened directly on the TNC with PDF format is a widely used data format corresponding editors and sometimes that can be generated out of a great variety edited of applications This enables you to easily e ext files ending with txt or ini view work instructions drawings or other e Graphic files ending with gif bmp jpg information in the TNC png e able files ending with xls or csv The integrated browser now lets you e HTML files connect the TNC to the Internet and access it directly from the control An operating panel with an integrated touchpad or an external USB pointing device is required for operation Tha offer pow an ri dea REE preyar ir iha Lang hanana ped arga pe cA TUR Pe des CEL ig gauge eer cede ded en n ee ad mncnamurihi wrweora br rise and Fc bor ming oc RAD EEE We mier hard contia dec ee Gerber ci ard Bar AN Mod An Bam yc I2 Ea Hiap pi i pa aaie hai h A E H Saig ka he meer 23 acces Hair Lern en An ph
20. the individual program elements on the TNC 620 are shown in different colors The color syntax highlighting improves your overview when editing NC programs It enables you to see at a glance for example where the editable input values are 1 BLK FORM 0 1 Z K 40 Y 3D Z in 2 BLK FORM 0 2 Kan vens 2 0 3 TO CALL 7 Z 51500 DEF 200 DRILLING 5ET WP CLEARANCE 15 DEPTH 0208 150 FEED AATE FOR PLUNGING DEPTH Gaiden OWELL TIME n2503 BSURFACE COORDINATE D204 hOD lt 2N0 SET UP CLEARANCE 21t1 41 UWELL TIME AT DEPTH CD X LP PH 60 PA an RD FMAM MOS bia 5 H LF PA 225 HO FM X 8 GALL 5 Z 33000 F2222 L 27100 RD FMAR i X 35 12 AL 13 FLT AN E26 POX o PDY D12 14 FSELECT2 15 FPOL X O o is DR A12 18 DCPA ZPE Uniform table editor Regardless of which table you are editing whether the tool table datum table or pallet table the function and operation of the table editor are always the same Info line In the info line the TNC 620 shows the respective submode condition and helps you to orient yourself The function is comparable with the history function in web browsers MOD function The additional mode MOD offers a myriad of possible settings in a standardized layout regardless of the operating mode Default value Wid
21. together responsible for dimensional inaccuracies and faults in the workpiece surface They therefore have a decisive influence on quality and when poorquality parts are scrapped also on productivity Dynamic Precision counteracts these problems with intelligent control technology to enable designers to further improve the quality and dynamic perfor mance of machine tools That saves time and money in production Vibrations can significantly impair surface quality The machine tool builder can use the options comprised by Dynamic Precision either individually or in combination e Compensation of position errors through compliance between the machine and TCP thereby increasing accuracy during acceleration phases AVD Active vibration damping improves surfaces e PAC Position dependent adaptation of control parameters LAC Load dependent adaptation of control parameters enhances accuracy regardless of load and aging e MAC Motion dependent adaptation of control parameters dynamic precision With AVD visibly superior surface quality is achieved 13 Quick and reliable machining with high contour Machining any contour slots with trochoidal milling option The benefit of trochoidal milling is its ultra efficient machining of slots of all kinds The roughing process is a circular motion superimposed on a forward linear motion This procedure is referred to as trochoidal millin
22. you can use the direction keys to move the machine axes manually A simpler and more sensitive way however is to use the electronic handwheels from HEIDENHAIN You can move the axis slide through the feed motors in direct relation to the rotation of the handwheel For delicate operations you can set the transmission ratio to certain preset distances per handwheel revolution Panel mounted handwheels The HR 130 and HR 150 panel mounted handwheels from HEIDENHAIN can be integrated in the machine operating panel or mounted at another location on the machine An adapter permits connection of up to three HR 150 electronic panel mounted handwheels Portable handwheels The HR 510 HR 520 and HR 550 portable handwheels are particularly helpful for when you have to work close to the machine s working space The axis keys and certain functional keys are integrated in the housing In this way you can switch axes and set up the machine at any time regardless of where you happen to be standing The HR 520 and HR 550 handwheels feature an integrated display for userfriendly remote operation of the control As a wireless handwheel the HR 550 is ideal for use on large machine tools If you no longer need the handwheel just attach it to the machine somewhere by Its built in magnets The HR 520 and HR 550 provide the following functions e Iraverse distance per revolution can be set e Display for operating mode actual positio
23. IN 1 MN 1 FORM 0 1 Z Ken YHo 7 20 BLK FORM 0 2 X 100 200 Ze TO CALL 5 Z 32000 Z i00 RD M3 6 L 3 30 7 20 RU ie ro Q407 612 5 SPHERE RADIUS d320 s CLEABANCE Dijar LAETA HEIGHT 0253 7650 PRE POSITLONING ARLE 0411 00 STAAT ANGLE A AKTS 0412 90 END ANGLE AKIS 912 0 THEIR ANGLE AXIS D414ss2 MEAS POINTS AXIS Da15z 80 START AWGLE B AXIE Dage gi END ANGLE B AXIS 0 IKETG ANGLE B AXIS FCRI TEF MEAS POINTS AXIS 9219 90 STAAT MHGLE AKIS 0 00 AHOLE C AXIS 0221 0 INZID ANGLE C AXIS END PGH 1 38 To measure the rotary axes a calibration sphere is fixed at any position on the machine table and probed with the HEIDENHAIN touch probe But first you define the resolution of the measurement and define for each rotary axis the range that you want to measure From the measured values the TNC calculates the static tilting accuracy The software minimizes the spatial error arising from the tilting movements and at the end of the measurement process automatically saves the machine geometry in the respective machine constants of the kinematics description ees Of course a comprehensive log Tile is also saved with the actual measured values and the measured and optimized dispersion measure for the static tilting accuracy as well
24. ample in X Y The machine runs the program in a plane that has been tilted by one or more rotary axes with respect to the main plane The PLANE feature makes it easy to define a tilted working plane You can specify tilted working planes in seven different ways depending on the information on the workpiece drawing Clearly arranged support graphics assist you during input You can also use the PLANE function to define the positioning behavior for tilting so that there are no unpleasant surprises when the program is run The settings for defining the positioning behavior are identical for all PLANE functions making everything that much easier 16 Cylindrical surface machining option 8 Feed rate for rotary tables With the TNC 620 it is quite easy to program mm min option 8 contours which consist of straight lines In the standard version the feed rate of and arcs on cylindrical surfaces using rotary axes is programmed in degrees rotary and tilting tables You simply program minute However the TNC 620 can the contour in a plane as if the cylinder interpret this feed rate in mm min as surface were unrolled You enter a contour well The feed rate at the contour is then in two dimensions as if in a plane and independent of the distance of the tool the 620 then calculates and machines center from the center of the rotary axis the corresponding cylindrical contour 620 features four cycles for
25. and nonlinear axis error backlash reversal spikes during circular movements thermal expansion Static friction sliding friction reversal error RS 232 C V 24 max 115 kbps Extended data interface with LSV2 protocol for remote operation of the TNC 620 over the data interface with the HEIDENHAIN software TNCremo or INCremoPlus Gigabit Ethernet interface 1OOOBASE T Bo USB trent USB 20 4 tear USB 3 0 18 HEIDENHAIN DNC for communication between a Windows application and TNC DCOM interface Diagnostics E Fast and simple troubleshooting through integrated diagnostic aids Ambient temperature e Operation 5 to 45 Storage 35 C to 65 C 39 Overview User functions Short description Program entry Position entry Tool compensation Tool tables Cutting data Constant contour speed Parallel operation 3 D machining Machining with a rotary table Contour elements Approaching and departing the contour FK free contour programming Program jumps 40 Se NO a ee coee Basic version 3 axes plus spindle One or two additional NC axes Digital current and shaft speed control HEIDENHAIN conversational DIN ISO with integrated operating panel soft keys or external standard USB keyboard with separate operating panel via integrated ASCII keyboard Direct loading of contours or machining positions from DXF files and saving as conversational contouring pro
26. andwheels you are always close to the action enjoy a close up view of the setup process and can control the infeed responsively and precisely Adapting the probing velocity Frequently the workpiece has to be probed at hidden locations or in cramped spaces In this case the standard probing feed rate is usually too fast In such situations you can use the override knob to change the feed rate during probing What is special about this option is that it does not influence accuracy Workpiece alignment option 17 With HEIDENHAIN touch probes see page 36 and the probing functions of the TNC 620 you can forgo any tedious manual alignment of the workpiece e Clamp the workpiece in any position e The touch probe determines the actual workpiece position by probing a surface two holes or two studs e The TNC 620 compensates the misalignment with a basic rotation which means that in the NC program the part is rotated by the measured misalignment or by moving the rotary table Compensating for workpiece misalignment by rotating the coordinate system or turning the table Setting datums You can use a reference point to assign a defined value in the TNC display to any workpiece position Finding this point quickly and reliably reduces nonproductive time and increases machining accuracy The TNC 620 features probing cycles option 17 for automatic datum setting Once found you can save these datums e in the datum
27. as the actual compensation values An especially rigid calibration sphere Is necessary for optimum use of KinematicsOpt This helps to reduce deformations that occur as the result of probing forces That is why HEIDENHAIN offers calibration spheres with highly rigid holders that are available in various lengths Overview Specifications Components i main computer with operating panel and integrated 15 1 inch TFT color flat panel display MC main computer with separate TE 730 or TE 735 operating panel and integrated 15 1 inch TFT color flat panel display Operating system EN HEROS 5 real time operating system for machine control Memory 1 8 GB on CFR compact flash memory card for NC programs Input resolution and Linear axes to 0 1 um display step Rotary axes to 0 0001 23 Linear axes to 0 01 um 23 Rotary axes to 0 00001 Input range Maximum 999 999 999 mm 999 999 999 Interpolation Linear in A axes Linear in 5 axes export license required Circular in 2 axes Circular in 3 axes with tilted working plane Helical superimposition of circular and straight paths Block processing time uM 1 5 ms 3 D straight line without radius compensation Cycle time of interpolator 3 ms Maximum 100 m Axis feedback control Position loop resolution Signal period of the position encoder 1024 Range of traverse n Spindle speed Maximum 60 000 rpm with 2 pole pairs Error compensation Data interfaces Linear
28. center point of a circular arc e Quadrant transitions or center point of a circle e ntersection of two lines regardless of whether it is located inside or outside the programmed segments e ntersection of a line and a circular arc e ntersection of a line and a circle If multiple intersections result between two elements e g between a straight line and a circle you can select the correct intersection with a mouse click 82 ade K OE Contour selection is exceptionally user friendly You select any element by clicking it with the mouse As soon as you select a second element the TNC detects your desired direction of machining and starts the automatic contour detection The automatically selects all clearly identifiable contour elements until the contour closes or branches out There you click the immediately following contour element In this way you can define even extensive contours with just a few mouse clicks If desired you can also shorten lengthen or interrupt the contour elements But you can also select machining positions and save them as point files particularly in order to use drilling positions or starting points for pocket machining This Q gt s B i ath hy Oo D i t i UNAR Contour selection from an imported DXF can be done very easily Usi
29. cycles for drilling and tapping with or without floating tap holder there are optional cycles option 19 for thread milling reaming engraving boring and for hole patterns as well as milling cycles for clearing plane surfaces and for roughing and finishing pockets slots and studs Cycles for complex contours option 19 Clearing pockets with combined contours is aided greatly by Subcontour List cycles SL This term is used to identify machining cycles for pilot drilling roughing and finishing when the contour or subcontours are specified in subroutines In this way one contour description can be used for more than one operation using different tools Up to twelve subcontours can be superimposed for machining The control automatically calculates the resulting contour and the tool paths for roughing or clearing the surfaces Subcontours can be pockets or islands Different components are combined to form a single pocket in which the tool avoids the islands The TNC 620 maintains a finishing allowance on the wall and floor surfaces during roughing When roughing with different tools the control recognizes the material remaining in inside corners so that It can clear it with smaller tools A separate cycle is used for milling to the finished dimension 26 OEM cycles option 19 As original equipment manufacturers OEMs machine tool builders can contribute their special manufacturing know how by designing
30. cylindrical surface machining e Slot milling the slot width is the same as the tool diameter e Guide groove milling the slot width is greater than the tool diameter e Ridge milling e Outside contour milling The machine must be prepared by the machine tool builder for this function 17 Minimize setup times Ihe INC 620 makes setup easy Before you can begin machining you must first clamp the tool and set up the machine find the position and orient the workpiece on the machine and set the workpiece reference point This is a time consuming but indispensable procedure After all any error directly reduces the machining accuracy Particularly in small and medium sized production runs as well as for very large workpieces setup times become quite a significant factor The TNC 620 features application oriented real world setup functions They support the user help to reduce non productive time and make overnight unattended production possible Together with the touch probes the TNC 620 offers numerous probing cycles for automatic alignment of the workpieces presetting and measurement of the workpiece and the tool 18 Delicate manual traverse For setup you can use the direction keys to move the machine axes manually or in incremental jog A simpler and more reliable way however is to use the electronic handwheels from HEIDENHAIN see page 35 Particularly with the portable h
31. d can therefore be optimally fitted to your needs You can even have the TNC 620 manage your tool names The control prepares the next tool change while the current tool is still cutting This significantly reduces the non cutting time required for changing tools With the optionally available extended tool management you can also graphically prepare and display any data The machine must be prepared by the machine tool builder for this function Pallet management option 22 The 620 can assign the appropriate part program and datum shift to parts mounted on pallets and brought to the machine in any sequence If a pallet is exchanged the TNC 620 automatically calls the correct part program This permits automatic machining of a variety of parts in any sequence 21 Programming editing testing Ihe INC 620 opens endless possibilities The TNC 620 is just as universal in application as it is flexible in machining and programming Positioning with Manual Data Input You can start working with the TNC 620 even before writing a complete part program Simply machine a part step by step switching as you want between manual operation and automatic positioning HEIDENHAIN Programming at the machine HEIDENHAIN controls are workshop oriented which means that they were conceived for programming right at the machine With conversational programming you can forget about memorizing G codes Instead you use de
32. dicated keys and soft keys to program line segments circular arcs and cycles With a keystroke you initiate a HEIDENHAIN plain language dialog and the TNC begins immediately to support you actively in your work Unambiguous questions and prompts help you enter all the required information Whether plain language prompts dialog guidance programming steps or soft keys all texts are available in numerous languages 2 53 2 sj ea BIETET wey ETE lh E mm 22 2 Bee ay Teepe S EIERN 1 4 EE o Creating programs offline The TNC 620 is also well equipped for offline programming Through its interfaces It can be integrated into networks and connected with programming stations or other data storage devices The TNC 620 can also run programs that were written in DIN ISO format Graphic support in any situation Programming graphics The two dimensional programming graphics gives you additional security while you are programming the TNC 620 draws every entered traverse command on the screen You can select among the plan view side view and front view Help graphics During cycle programming in the plain language dialog the INC shows a separate illustration for each parameter This makes it easier to understand the function and accelerates programming Program verification graphics option 20 To be on the safe side before running a program the TNC can graphicall
33. e Thanks to its flexible operation workshop oriented programmability with HEIDENHAIN conversational programming or offline programming and its scope of features it is especially suited for use on universal milling drilling and boring machines for the following e Series and single part production e ool making Machine building Research and development Prototypes and pilot plants Repair departments Training and education facilities It also offers the applicable features both necessary and helpful for Universal milling machines e Free contour programming e Milling cycles for complex contours e Fast presetting with HEIDENHAIN touch probes Drilling and boring machines e Cycles for drilling boring and spindle alignment e Cycles for Cartesian and polar point patterns e Drilling oblique holes Five axis machining with swivel head and rotary table e When you are programming away from the machine the TNC 620 automatically takes the machine geometry into account Tilting the working plane Cylinder surface machining 3 D tool compensation Fast execution through short block processing times Machines with parallel secondary axes e Compensating movement in the secondary axes U V W through the principal axes X Y Z e Defining the principal and secondary axes in the NC program makes it possible to run programs on different machine configurations e Including movements of parallel axes in the position dis
34. e This gives the trainee the experience needed to enable him to safely operate the machine later Because the TNC 620 can be programmed in plain language and in DIN ISO the TNC 620 programming station can also be used in schools for TNC programming training 34 Your workstation The programming station software runs on a PC The PC screen shows you the TNC user interface as on the control and offers the familiar graphic support Depending on the version of the programming station there are several types of possibilities for using it The free demo version contains all functions of the TNC 620 and permits short programs to be saved It is programmed over the PC keyboard Programming station with TNC operating panel On the version with the TNC operating panel you then create your programs as always on a keyboard with the same function keys as the control on the machine It also has a PC keyboard for G code programming file names and comments But you can also work without the TNC operating panel a virtual keyboard simulating the TE appears on the PC screen It provides the TNC 620 s most important dialog initiation keys Wu More information about the programming station and a free demo version 1 available on the Internet at www heidenhain de Or simply ask for the TNC Programming Station CD or brochure Positioning with the electronic handwheel Delicate axis traverse To set up the workpiece
35. etric feed rate behavior on the back and forth path during bidirectional finish milling and very smooth feed rate curves on parallel milling paths Fast machining and computing processes The fast block processing time of maximum 1 5 ms enables the TNC 620 to run fast advance calculations in order to optimally use the dynamic parameters of the machine In this way functions like ADP and look ahead not only provide very high contour accuracy and surface definition they also optimize the machining time One of the reasons for the TNC 620 s high speed is its uniformly digital control design It consists on the one hand of the integrated digital drive technology from HEIDENHAIN and on the other hand all control components are interconnected with digital interfaces the control components via HSCI HEIDENHAIN Serial Controller Interface and the encoders via EnDat 2 2 This makes it possible to realize very high feed rates And the TNC 620 interpolates simultaneously in up to five axes lo attain the required cutting speeds the TNC 620 controls spindle speeds up to 100000 rpm digitally The 6205 powerful 5 axis machining enables you to manufacture even complex 3 D contours The required programs are usually created on external CAM systems and comprise a large number of very short line segments that are transferred to the control With its short block processing time the TNC 620 quickly executes even complex NC prog
36. f error messages the TNC 620 displays them in colorcoded categories A color coded warning triangle is also displayed 4257 CIRCULAR STUD TRANG T 47 DATUM SHIET B 10 ROTATION 11 SCALING Fast function overview With smartSelect you enjoy dialog guidance for selecting functions quickly and easily that up to now were accessible only through the soft key structure As Soon as you open smartSelect it displays a tree structure with all subordinate functions that can be defined in the control s current condition Moreover in the right part of the smartSelect window the TNC displays the integrated help With the cursor or a mouse click you immediately access detailed information on the respective function smartSelect enables you to define fixed cycles touch probe cycles special functions SPEC FCT and quickly access the parameter programming ACTOR 2 26 AMIS SPECIFIC SCALING 18 W OHKING PLANE 247 DATUM SETTING aL CYCLES ia 1 PILOT DAELLING 22 ABUGH DUT 23 FLOOR FINISHING 24 SIDE FINISHING 14 CONTOUR CONTOUR DATA H 27 CYLINDER SURFACE 28 CYLINDER SURFACE J2s GYL SURFACE RIDGE 414 GONTOUR ri ae H the werhpinen blank 3 greater Color structured programs The content of a program line can be quite comprehensive line number program function input values comment To help you always find your way even in complex programs
37. g It is used particularly for milling high strength or hardened materials where the high loads placed on the tool and machine usually only permit small infeeds 14 With trochoidal milling on the other hand large cutting depths are possible since the prevailing cutting conditions do not increase the wear and tear on the tool On the contrary the entire length of a plain cutter s cutting edges can be used This enables you to achieve a greater chip volume per tooth Circular plunging into the material places less radial force on the tool This reduces the mechanical load on the machine and prevents vibration The slot to be machined is described in a contour subprogram as a contour train You define the dimensions of the slot and the cutting data in a separate cycle Any residual material remaining can then easily be removed with a subsequent finishing Cut The benefits include e Engagement of the entire cutter length e Higher chip volume e Relief from mechanical load on the machine e ess vibration Integrated finishing of the side wall Active chatter control option Strong milling forces come into play during roughing power milling Depending on the tool spindle speed the resonances in the machine tool and the chip volume metal removal rate during milling the tool can sometimes begin to chatter This chattering places heavy strain on the machine and causes ugly marks on the wor
38. g positions from it Not only does this save time otherwise spent on programming and testing but you can also be sure that the finished contour is exactly according to the designer s specifications The DXF format particularly the DXF format supported by the 620 155 very widespread and is supported by all common CAD and graphics programs After the DXF file has been loaded onto the TNC from the network or a USB stick you can open the file in the file manager of the TNC just like an NC program As a rule DXF files contain multiple layers with which the designer organizes the drawing So that as little unnecessary information as possible appears on the screen during selection of the contours you can hide via mouse click all excessive layers contained in the DXF file An external pointing device is required for this The TNC can select a contour train even if it has been saved in different layers 30 The TNC also supports you when defining the workpiece datum The datum of the drawing for a DXF file is not always located where you can use it directly as the workpiece datum especially when the drawing contains multiple views For this reason the TNC has a function with which you can shift the drawing datum to a suitable location simply by clicking an element HEIDENHAJIN You can define the following locations as reference point e The beginning end or mid point of a line e The beginning end or
39. gh mathematical functions 27 Programming the workshop Reusing programmed contour elements Coordinate transformation If you should need a contour that has already been programmed at another position or in a different size the TNC 620 offers you a simple solution coordinate transformation With coordinate transformation you can for example rotate or mirror the coordinate system or shift the datum With a scaling factor you can enlarge or reduce contours to respect shrinkage or oversizes Program section repeats and subprograms Many machining operations repeat them selves either on the same workpiece or on different workpieces Once you have programmed a detail there is no reason to have to program it again With its sub programming feature the TNC can save you a great deal of programming time In program section repetition you label a section of the program and during program run the TNC repeats the section successively as many times as required You can mark a program section as a subprogram and then call it at any point in the program and as often as you want With the program call function you can even use a completely separate program at any place in your current program This gives you convenient access to pre programmed frequently needed working steps or contours Of course you can also combine these programming techniques as often as desired 28 THC ing
40. gram or as point table Nominal positions for lines and arcs in Cartesian coordinates or polar coordinates Incremental or absolute dimensions Display and entry in mm or inches Tool radius in the working plane and tool length Radius compensated contour look ahead for up to 99 blocks M120 Three dimensional tool radius compensation for changing tool data without having to recalculate an existing program Multiple tool tables with any number of tools Automatic calculation of spindle speed cutting speed feed per tooth and feed per revolution Relative to the path of the tool center Relative to the tool s cutting edge Creating a program with graphical support while another program is being run Motion control with highly smoothed jerk 3 D tool compensation through surface normal vectors Keeping the tool normal to the contour Tool radius compensation normal to the tool direction Manual traverse in the active tool axis system Programming of cylindrical contours as if in two axes Feed rate in distance per minute Straight line Chamfer Circular path Circle center Circle radius Tangentially connecting circular arc Corner rounding Via straight line tangential or perpendicular Via circular arc FK free contour programming in HEIDENHAIN conversational format with graphic support for workpiece drawings not dimensioned for NC Subprograms Program section repeats Calling any program as a subprogram Fixed cycles Coordinate
41. ith infrared transmission e TT 140 3 D touch trigger probe or e TT 449 3 D touch trigger probe with infrared transmission e TL Nano Laser system for contact free tool measurement or e TL Micro Laser system for contact free tool measurement Control software for PCs for programming archiving and training e Single station license with original control keyboard e Single station license with virtual keyboard Network license with virtual keyboard e Demo version operated via virtual keyboard or PC of charge TeleService Software for remote diagnostics monitoring and operation CycleDesign Software for creating your own cycle structure TNCremo Software for data transfer free of charge TNCremoPlus Software for data transfer with live screen function 43 Overview Options 0 axis 01 control loop 1 1 Additional axis aa 01 Additional control loop 2 8 Advanced function set 1 01 Machining with rotary table e Programming of cylindrical contours as if in two axes e Feed rate in distance per minute Interpolation Circular in 3 axes with tilted working plane Coordinate transformation Tilting the working plane PLANE function 9 Advanced function set 2 617921 01 Interpolation Linear in 5 axes 3 D machining e 3 D tool compensation through surface normal vectors e ool center point management TCPM Using the electronic handwheel to change the angle of
42. kpiece surface The tool too is subject to heavy and irregular wear from chattering In extreme cases it can result in tool breakage Heavy machining without ACC figure above and with ACC figure below To reduce the inclination to chattering HEIDENHAIN now offers an effective anti dote with the Active Chatter Control ACC control function The use of this control function is particularly advantageous during heavy cutting ACC makes substantially higher metal removal rates possible This enables you to increase your metal removal rate by up to 25 and more depending on the type of machine You reduce the mechanical load on the machine and increase the life of your tools at the same time Machining with five axes Swivel head and rotary table controlled by the INC Many 5 axis operations that at first glance may seem very complex can be reduced to conventional 2 D movements that are simply tilted about one or more rotary axes or wrapped onto a cylindrical surface The TNC supports you with application oriented functions to help you write and edit such programs quickly and simply without a CAD CAM system Tilting the working plane option 8 Programs for contours and holes on inclined surfaces are often very complex and require time consuming computing and programming work Here the TNC 620 helps you to save a great deal of programming time You program the machining operation as usual in the main plane for ex
43. ll find these principles implemented in the TNC 620 as well shop oriented programmability with graphic support many field proven cycles and an operational design familiar from other HEIDENHAIN controls Shop oriented programming You program conventional milling and drilling operations yourself at the machine in plain language dialog the workshop oriented programming language from HEIDENHAIN The TNC 620 provides you with optimum support with practical prompts questions and meaningful help graphics Standard operations and even complex applications are on call as a large variety of real world machining cycles or coordinate transformations _ _ T mi E Simple operation For simple work such as face milling you CL p J n ma i vis need not write a program on the TNC 620 It is just as easy to operate the machine Joa ar 1 P8 DEF 5 1 PIAGGIO manually by pressing the axis keys or for maximum sensitivity using the electronic gt n 3M NN handwheel SSS 8 Ni i M Offline program creation 620 can be programmed remotely just as well Its Fast Ethernet interface guarantees very short transfer times even of long programs The TNC 620 is compact and easy to read The INC 620 is a compact but versatile contouring control for up to five controlled axes and a controlled spindl
44. n value programmed feed rate and spindle speed error messages Override potentiometer for feed rate and spindle speed Selection of axes via keys or soft keys Keys for continuous traverse of the axes Emergency stop button Actual position capture NC start stop Spindle on off Soft keys for machine functions defined by the machine tool builder 35 Workpiece measurement Setup presetting and measuring with touch trigger probes Workpiece touch probes from HEIDENHAIN help you to reduce costs in the workshop and in series production Together with the TNC 620 s probing cycles touch probes can automatically perform setup measuring and inspection functions The stylus of a TS touch trigger probe is deflected upon contact with a workpiece surface At that moment the TS generates a trigger signal that depending on the model is transmitted either by cable or over an infrared beam to the control The touch probe is inserted directly into the machine tool spindle It can be equipped with various shanks depending on the machine The ruby ball tips are available in several diameters and the styli in different lengths Machine and TNC must be specially adapted by the machine tool builder 36 Touch probes with cable connection for signal transmission for machines with manual tool change and for grinding machines and lathes TS 260 new generation axial or radial cable Touch probe with radio or infra
45. ng individual teeth the contact plate is deflected and a trigger signal is transmitted to the TNC 620 The TT 160 uses signal transmission by cable whereas the TT 460 operates with wireless signal transmission over radio or an infrared beam It is therefore particularly suitable for use on rotary and tilting tables The TL Nano and TL Micro laser systems are available for various maximum tool diameters Using a laser beam they probe the tool without contact and can detect form deviations of individual teeth along with the tool length and radius TL Micro More information about tool touch probes is available on the Internet at www touch probes com or in the Touch Probes brochure 37 Inspecting and optimizing machine Easy calibration of rotary axes with KinematicsOpt option Accuracy requirements are becoming increasingly stringent particularly in the area of 5 axis machining Complex parts need to be manufactured with precision and reproducible accuracy even over long periods The TNC function KinematicsOpt is an important component to help you meet these high requirements With a HEIDENHAIN touch probe inserted 3 0 touch probe cycle measures your machine s rotary axes fully automatically The results of measurement are the same regardless of whether the axis is a rotary table a tilting table or a swivel head Programming in Programming THC inu prog i h BEG
46. ng the mouse simply select the desired area In a pop up window with filter function the TNC displays all hole diameters that are within the area you have selected To select the desired hole diameters and restrict the number of hole positions simply click the corresponding filter symbol to change the filter limits A zoom function and various possibilities for settings round out the functionality of the DXF converter Moreover you can define the resolution of the contour program to be uploaded in case you want to use it on older TNC controls or a transition tolerance if occasionally the elements do not quite adjoin TM Ji pie cumziCADIEuMETLamslz CAD viewer standard The integrated CAD viewer allows you to open 3 D CAD models and drawings directly on the TNC 620 This powerful viewer is a simple and simultaneously efficient solution for displaying CAD design data on the shop floor Different viewing options and functions for rotating and zooming enable you to visually monitor and analyze your CAD data in detail Moreover you can also use the viewer to find position values and dimensions from the 3 D model And you can set the datum as desired and select elements in the model The CAD viewer shows the coordinates of the selected elements in a window The TNC 620 can display the following file formats e STEP files STP and STEP e GES files IGS and IGES e DXF files DXF T oe E im 4 agi
47. play of the associated principal axis sum display Well designed and user friendly he INC 620 in dialog with the user The screen The large 15 inch TFT color flat panel display shows a clear overview of all relevant information for programming operating and inspecting the machine tool and control such as program blocks comments and error messages More information 15 provided through graphic support during program entry test run and actual machining The selectable split screen display shows the part program blocks in one half of the screen and the graphics or the status display in the other half During the course of the program status displays will always offer information to keep you up to date on tool position the current program active cycles and coordinate transformations and other data The TNC 620 even shows the current machining time The keyboard As with all TNCs from HEIDENHAIN the keyboard is tailored to the programming process The well thought out arrangement of keys in a clear division into function groups i e programming modes machining modes management TNC functions and navigation supports you during program input Simple key assignment easily understandable symbols or abbreviations clearly indicate each key s function You use the override potentiometers to make delicate adjustments of feed rate and spindle speed HEIDENHAIN THC ine prog iEX4
48. progi PEATE or d ti 1 BEGIN KODAD I 1 FORM 0 1 Z X BD 80 2 20 1 FORM 0 2 Keil Yoho Feo 4 TOM CALL 15 I 82500 1 2 100 RD FAX GCYCL DEF 10 0 ROTATION B OGL DEF 10 1 AOT 45 GALL LBL 1 n DEF 10 0 ROTATION OFCL DEF 10 1 AOT d 10 CALL 3 Z 61900 11 CYCL DEF 200 DRILLING SET UP CLEARANCE 25 i DEPTH 0206 150 FEED AATE PLUNGTING DEPTH 0210 0 LOWELL TIME AT 0293 0 SUAFAGE CDORDINATE 4 zHD SET UP GLEANAKGE B211a DOWELL TIME AT DEPTH 12 LBL 2 a x s Y 15 R Mas a L Xid Ted FMAX Wgt s L 40 T i5 RD FMAX M99 CYCL DEF 10 0 ROTATION 17 vei DEF 10 1 90 VIEWS FURTHER E VIEN OPTIONS Do you have questions a programming step but your User s Manual is not at hand No problem TheTNC 620 numerical control and 620 programming station now feature TNCguide a convenient help system that can show the user documentation in a separate window You can activate TNCguide by simply pressing the help key on the TNC keyboard or by clicking any soft key with a pointer in the shape of a question mark You switch the cursor by simply clicking the help symbol that is always visible on the TNC screen TNCguide usually displays the information in the immediate context of the element in question context sen
49. ram a line segment for example simply press the key for linear traverse The TNC 620 asks in plain language for all information required for a complete programming block such as target coordinates feed rate cutter radius compensation and machine functions Appropriate path function keys for circular movement chamfers and corner rounding simplify your programming To avoid surface blemishes during approach to or departure from the contour it must be approached smoothly that is tangentially Straight line defined by its end point RND Rounding cir cular path de fined by radius and corner point with a smooth tangential transition to its adjoin ing contour elements CHF Chamfer defined by the corner point and chamfer length You simply specify the starting or end point of the contour and the approaching or departing radius of the cutter edge the control does the rest for you The TNC 620 can look ahead over a radius compensated contour for up to 99 blocks option 21 to watch for back cutting and avoid contour damage such as can occur when roughing a contour with a large tool Circular path defined by its end point with a smooth tangential departure from the previous contour element Circular path defined by its center end point and rotational direction ne Circular path defined by its radius end point and rotational direction free contour programming option
50. rams Thanks to its computing power however it can also transfer complex advance calculations to simpler NC programs This makes it unimportant what data volume the NC programs from their CAD systems have with the TNC 620 the finished workpiece will be a virtually perfect reflection of the created program 11 Quick and reliable machining with high contour Dynamic Precision dynamic precision The control design from HEIDENHAIN guarantees not just very high accuracy and surface quality but high machining speeds as well These are made possible by differing technologies cycles and functions Individually or in combination they ensure optimized motion control effective jerk limiting dynamic contour look ahead and therefore perfect surfaces with very short machining times 2 3 lt gt VELMAXABEDO MATR 020945 ah 12 The hypernym Dynamic Precision stands for a number of HEIDENHAIN solutions for metal cutting that can dramatically improve the dynamic accuracy of a machine tool It is the result of a new perspective on the competing demand for accuracy high surface quality and short machining times The dynamic accuracy of machine tools manifests itself in deviations at the tool center point TCP These deviations depend on kinetic quantities such as velocity and acceleration also jerk and result among other things from vibrations of machine components All the influences are
51. red signal transmission for machines with automatic tool change TS 460 New generation standard touch probe for radio and infrared transmission with compact dimensions energy saving mode optional collision protection and thermal decoupling TS 444 Battery free voltage supply through integrated air turbine generator from compressed arr for infrared transmission with compact dimensions TS 740 High probing accuracy and repeatability low probing force with infrared transmission TS 460 with collision protection More information about workpiece touch probes is available on the Internet at www touch probes com or in the Touch Probes brochure Tool measurement Measuring length radius and wear directly in the machine The tool is of course a decisive factor in ensuring a consistently high level of production quality This means that an exact measurement of the tool dimensions and periodic inspection of the tool for wear and breakage as well as the shape of each tooth are necessary HEIDENHAIN offers the TT trigger tool touch probes as well as the non contacting TL Nano and TL Micro laser systems for tool measurement The systems are installed directly in the machine s workspace where they permit tool measurement either before machining or during interruptions The TT tool touch probes measure the tool length and radius When probing the tool either while rotating or at standstill such as for measuri
52. sitive help This means that you immediately receive the relevant information This function is particularly helpful with the soft keys The method and effect of operation are explained in detail You can download the documentation in the desired language free of charge from the HEIDENHAIN homepage into the corresponding language directory on the TNC hard disk The following manuals are available in the help system e User s Manual for Conversational Programming e User s Manual for Cycle Programming e User s Manual for DIN ISO Programming User s Manual for the TNC 620 Programming Station only included in the programming station 4 580 c47z40 ber 01 02053240 Gaass 0901 1 56858 0 TETAATIAG ANGLE STOPPING ANGLE BTEPPIMG AWILE NH OF REPETITIONS SET UP CLEARANCE BURFAGE COORDINATE HMD SET UP GLEARANGE MOVE TO CLEARANCE GF THAVERSE 38 YCL DEF 7 0 DATUM SHIFT 7 1 VS 30 GALL LBL 1 39 CYL DEF 7 0 DATUM SHIFT 71 Keri 4T GALL LBL 1 42 CYCL DEF 7 0 DATUM SHIFT 43 EYEL DEF 7 1 Ye25 44 GALL LBL 1 b PFundararials Coan 45 GYEL DEF 7 0 DATUM SHIFT Fret Steps with ihe THC 225 29 Open for communication Ihe INC 620 understands DXF files option Why program complex contours when your drawing is already in DXF format anyway You can open DXF files directly on the TNC 620 in order to extract contours or machinin
53. th Decimal places W Primary wey Quick and reliable machining with high contour Ihe INC 620 permits optimum tool movement Very high contour accuracy and surface quality TNC controls from HEIDENHAIN are known for their jerk smoothed velocity and acceleration optimized motion control In this way you can always ensure surface quality and workpiece accuracy With the TNC 620 you can exploit state of the art developments The 620 looks ahead thinks along with you and can calculate the contour dynamically before machining Special filters specifically and additionally suppress machine specific natural vibration 10 With look ahead the TNC 620 recognizes directional changes beforehand and adapts the traversing speed to the course of the contour and the surface to be machined You simply program the maximum machining velocity as feed rate and in Cycle 32TOLERANCE enter in the control the maximum permissible deviations from the ideal contour The TNC 620 automatically adapts the machining to the tolerance that you define No contour damage occurs with this method ADP Advanced Dynamic Prediction expands the previous advance calculation of the permissible maximum feed rate profile ADP compensates differences in feed rate profiles resulting from point distribution on neighboring paths especially in NC programs from CAM systems This provides among other things a particularly symm
54. the swivel head during program run without affecting the position of the tool point only with option 21 e Keeping the tool normal to the contour e ool radius compensation normal to the tool direction e Manual traverse in the active tool axis system 17 Touch probe functions 01 634063 01 Touch probe cycles e Compensation of workpiece misalignment datum setting e Automatic tool and workpiece measurement e Touch probe input enabled for non HEIDENHAIN systems 18 HEIDENHAIN DNC 01 526451 01 Communication with external Windows applications over COM component 19 Advanced programming 01 628252 01 FK free contour programming features Fixed cycles e Peck drilling reaming boring counterboring centering Milling internal and external threads Clearing level and oblique surfaces Multioperation machining of straight and circular slots Multioperation machining of rectangular and circular pockets Cartesian and polar point patterns Contour train contour pocket also with contourparallel machining Contour slot with trochoidal milling Special cycles developed by the machine tool builder can be integrated 20 Advanced graphic features 01 628253 01 Program verification graphics program run graphics Plan view projection in three planes 3 D view 3 D line graphic 21 Advanced function set 3 628254 01 Tool compensation e Radius compensated contour look ahead for up to 99 blocks 3 D machining e Superimpose handwheel positioning during program run
55. transformation parameters Programming with variables Programming aids Teach In Program verification graphics Display modes Programming graphics Program run graphics Display modes Machining time Retuming to the contour Datum management Datum tables Pallet tables N NNN L 1888 1 22 Drilling conventional and rigid tapping rectangular and circular pockets Peck drilling reaming boring counterboring centering Milling internal and external threads Clearing level and oblique surfaces Multi operation machining of rectangular and circular pockets rectangular and circular studs Multioperation machining of straight and circular slots Cartesian and polar point patterns Contour train contour pocket Contour slot with trochoidal milling Engraving cycle Engrave text or numbers in a straight line or on an arc OEM cycles special cycles developed by the machine tool builder can be integrated Datum shift rotation mirror image scaling factor axis specific Tilting the working plane PLANE function Mathematical functions sin amp cos tan arcus sin arcus cos arcus tan e In log Va Va b Logical operations gt Calculating with parentheses Absolute value of a number constant negation truncation of digits before or after the decimal point Functions for calculation of circles Functions for text processing Calculator Complete list of
56. y Automated machining The TNC 620 measures manages and communicates Programming editing testing he TNC 620 opens endless possibilities Graphic support in any situation Programming in the workshop Straightforward function keys for complex contours Programming contours unconventionally Field proven cycles for recurring operations Reusing programmed contour elements Fast availability of all information Open for communication The TNC 620 understands DXF files option Fast data transfer with the TNC Display any file formats on the TNC screen The TNC 620 programming station Positioning with the electronic handwheel Delicate axis traverse Workpiece measurement Setup presetting and measuring with touch trigger probes Tool measurement Measuring length radius and wear directly in the machine Inspecting and optimizing machine accuracy Calibrating rotary axes with KinematicsOpt Overview Specifications user functions accessories options comparison of controls Compact and versatile right control for milling drilling and boring machines For more than 30 years TNC controls from HEIDENHAIN have been proving themselves in daily use on milling drilling and boring machines and machining centers While the controls have undergone continuous development during this period the basic operational technique has remained the same You wi
57. y simulate the machining progress The new finely detailed 3 D test graphics enables you to ull Programming Programming TMC mu prog t n nn Bea are BEGIN 1 FORM 0 1 Z Y4O Z 20 BLK FORM 0 2 1 1 200 230 3 TUM CALL 5 2 E2600 L 2 100 RD FAX M3 E L TY 30 RU FMAX a CYC DEF 957 CINGULAR STUD 0223 50 FIMIBHED PART DIA uazze B5z WORKPIECE BLANK DIA ALLOWANCE FOR amp TIDF O207a FEED AATE FOR MILLNG FE EREE OLINE LY tut Q20t DEPTH Bn2502 s 8 PLUNGING DEPTH 02908 FEED AATE 6200 20 SET UP CLEARANCE O209 0 SURFACE COORDIMATE 0204 50 SET UP CLEARANCE 0370 41 TOOL PATH OVERLAP D378 1 STAATING ANGLE END 1 Mil evaluate exactly the manufactured result even before the actual machining You define the workpiece blank as a cuboid cylinder or rotationally symmetric part with any contour The TNC offers various ways to depict machining e Plan view with different shades of depth e Three planes as in the workpiece drawing e High resolution 3 D view e 3 D line graphics of the tool paths You can adjust the type and quality of the image Details can be displayed in magnification In addition the TNC indicates the calculated machining time in hours minutes and seconds Program run graphics option 20 On the TNC 620 you can run the programming graphics or verification
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