Sect 2-M Functions - Flint Machine Tools, Inc.
Contents
1. by Feed Rate surfacing The feed rate will be modified if the angle of the next move falls in Modification the range established by the parameters of the M94 1 code line TIME No other codes can be in the same line as the M94 1 and its parameters The SAVER feed rate must be specified before the M94 1 line No other F Word may be specified after M94 1 until an M95 1 is used GO moves can be used after M94 1 but will not be modified by the M94 1 coding The M94 1 is modal and is canceled with an M95 1 code It is available on 3 or higher controls This is not compatible with the G91 1 code M94 1 P170 Q10 RO 50 R1 1 R2 15 40 Section 2 M Functions April 2003 User Manual Fadal EXAMPLE SPECIAL v FEATURE P Word Q Word RO R1i R2 EXAMPLE The second move is 155 degrees from the first move therefore the feed will be modified because the move is less than 170 degrees set with the P word Because the second move is less than one inch set by the R1 1 word the feed will be modified The angular difference between the P word angle and the second move is 35 degrees Every 15 degrees of angular difference R2 15 the feed will be modified by 10 percent Q10 In this case the feed will be modified by 20 percent In order for a move to be modified it has to be less than the P value and less than the R1 value The P word represents an angle If the angle between t2. Formats 1 amp 2 EXAMPLE M99 Line Jump Formats 1 amp 2 P Word EXAMPLE 46 User Manual Specifies the number of times to execute the subprogram N22 X1 0 N23 M98 P3 L2 Execute subprogram 3 and repeat 2 times This code can be used to mark the end of a subprogram If this is at the end of a program this is the code that identifies a program as a subprogram No other codes or parameters should be on the line with the end of subprogram marker see section 5 for details N103 SUB PROGRAM 3 N2 M6T1 N47 M99 Return to main program This code can be used for a line jump With the P word parameter on the line with the M99 it becomes a line jump M99 P Identifies the line number to continue execution from N44 MO OPERATOR ADJUST BORING HEAD IF NEEDED N45 S800 M3 M7 N46 2 2 XO Y2 GO N47 G85 G99 RO 2 Z 356 F1 6 XO YO M46 N48 G80 M5 M9 N49 XO Y2 GO N50 MO OPERATOR CHECK THE BORE SIZE N51 IF BORE IS GOOD THEN SWITCH BLOCK SKIP ON N52 M99 P44 If the block skip switch is off jump to line 44 for another pass N53 X1 5 Y2 Section 2 M Functions April 2003
3. OPTIONAL FEATURE EXAMPLE 56 This code disables the potentiometers located on the pendant just above the jog selection switches See the M48 example above M48 1 enables and M49 1 disables the override pot This is to allow and disallow manual movement of the nozzle from the override pot for the servo coolant nozzle M48 2 enables and M49 2 disables the Pallet A rotary table axis override pot This potentiometer is available on VMCs with the pallet changer rotary table combination When Pallet A is in the store or in the working position this potentiometer allows the operator to rotate the rotary table on Pallet A for loading and unloading parts see Section 17 Pallet Changer M49 2 will automatically return the rotary table A axis to the original position before rotation with the pot and must always be used when the M48 2 is used Occasionally a G4 P will have to be used after the M49 2 to insure that it rotates to its original position N5300 EO XOYO AO N301 M33 1 LOAD PALLET B STORE PALLET A N302 M48 2 PALLET A ROTARY OVERRIDE ENABLE N506 M49 2 PALLET A ROTARY OVERRIDE DISABLE N507 EO X0 YO AO N508 M32 1 LOAD PALLET A N509 G4 L99 Note When using the M48 2 or M48 3 with the A or B axes insert a new line after the M48 2 or M48 3 and place a G4 P99 on this line The G4 P99 is a code used to dwell or wait a millisecond amount of P The dwell in this case is used to wait 99 milliseconds until the A
4. The M17 code is used to mark the end of a subroutine No other coding is allowed on the same line with the M17 See the subroutine section for more details L100 SUB FOR X MOVE X 5 Section 2 M Functions 29 Fadal M18 Air Ratcheting Indexer EXAMPLE 30 User Manual Optional M17 This marks the end of subroutine 1 L200 SUB FOR X MOVE X 5 Optional M17 This marks the end of subroutine 2 L300 SUB FOR ALL HOLES G91 L120 Y 5 L220 Required M17 This marks the end of subroutine 3 M30 End of subroutine section MAIN PROGRAM Program execution begins after the M30 code This code is used with the Cushman PCB 0022 and Erickson PCB 0023 or PCB 0024 style rotary indexer interface boards from FADAL The M18 sends a signal to index then the CNC will wait for a cycle complete signal from the indexer before continuing with execution of the program If the M18 is used with a fixed cycle the M45 code must be used to execute the cycle because the control does not recognize the M18 as a move see M45 G82 G99 RO 1 Z 25 F30 P18 M45 M18 A90 Index to next step and wait for cycle complete signal M45 M18 A180 Index to next step and wait for cycle complete signal M45 Section 2 M Functions April 2003 Fadal M19 Spindle Stop and Orient EXAMPLE M20 General Purpose Indexer OPTIONAL v FEATURE EXAMPLE M30 End Of All
5. If Pallet A is at the load position M32 1 will verify Pallet A is at the load position No movement will occur see Section 17 Pallet Changer Note The table move to the pallet position may be stopped with the SLIDE HOLD button The pallet movement to and from the stored position may also be stopped with the SLIDE HOLD button When Pallet A is in the load position M33 will store Pallet A and the pallet arm will move to Pallet B The machine will be placed in the WAITING state and the pallet door will remain open until the START button is pressed When the START button is pressed Pallet B will be returned to the load position When Pallet B is in the load position M33 will store Pallet B The machine will be placed in the WAITING state and the pallet door will remain open until the START button is pressed When the START button is pressed Pallet B will be returned to the load position Note All fixture and machine offsets MUST be canceled prior to attempting a pallet change see Section 17 Pallet Changer Note The table move to the pallet position may be stopped with the SLIDE HOLD button The pallet movement to and from the stored position may also be stopped with the SLIDE HOLD button Section 2 M Functions 33 Fadal M 33 1 Load Pallet B amp Verify Pallet B Has Been Loaded y OPTIONAL FEATURE M41 M43 Belt Drive Range M45 Execute Fixed Cycle EXAMPLE M45 Used with Fixture
6. Offsets EXAMPLE 54 User Manual When Pallet A is in the load position M33 1 will store Pallet A and load Pallet B If Pallet B is in the load position M33 1 will verify that Pallet B is at the load position No movement will occur see Section 17 Pallet Changer Note The table move to the pallet position may be stopped with the SLIDE HOLD button The pallet movement to and from the stored position may also be stopped with the SLIDE HOLD button Newer machines have automatic high low belt changes The M41 M43 codes are used on older machines that require a manual belt range change This code could be used in MDI to indicate which belt range was selected M41 is 150 to 2700 RPM top drive pulley M42 is 150 to 5200 RPM middle drive pulley M43 is 300 to 10000 RPM bottom drive pulley This code is used to execute a fixed cycle or a modal subroutine Execution will occur at the current location Normally motion to a new position causes a cycle to execute Use the M45 when execution of a cycle is desired without making a move M45 is generally used with an indexer The motion of the indexer is independent of the control Even though the operator sees the rotation of the indexer this is not counted as motion to the control so the cycle is not executed with indexer motion The M45 after each M20 or M18 will execute the cycle after each rotation G82 G99 RO 1 Z 17 F45 P18 M45 M20 A90 Indexer moves to next position an
7. Subroutines Formats 1 amp 2 EXAMPLE April 2003 User Manual This is used to stop and orient the spindle This orientation lock is released by using an M3 or M4 or by pressing the SPINDLE ON OFF button L100 SUB FOR BROACHING KEY WAY ONE STROKE G91 G1 F50 Z 5 G9 Y 01 G9 Z 5 G5 G9 Y 012 G9 L200 SUB FOR ALL BROACHING STROKES 300 TOTAL KEY STROKES M19 Orient spindle for broaching tool L199 L151 M17 This is used to send a start signal to a device attached to the indexer interface board PCB 0008 or PCB 0007 from FADAL After the start signal has been sent the CNC will wait for a cycle complete signal from the device before the CNC will continue execution of the program If the M20 is used with a fixed cycle the M45 code must be used to execute the cycle because the control does not recognize the M20 as a move G82 G99 RO 1 Z 17 F45 P18 M45 M20 A90 Indexer moves to next position and waits for a cycle complete signal M45 M45 is used because M20 is not considered a move by the control This code is used for two reasons to mark the end of the subroutine section of a program and to end a main program End of subroutine section marker This is a Format 1 feature however it can be used in a Format 2 style program because features from the two styles can be intermixed If the M30 is used for an end of subroutine marker use M2 as the end of the main program see Section 5 for more details This co
8. Use an M5 to stop the sub spindle from rotating See also M3 2 to use the main spindle after the sub spindle is used M6 T7 TOOL 7 BLANK TOOL FOR SUB SPINDLE M1 G90 GO S300 M3 1 E1 XO YO The sub spindle will start at this line Use an M3 2 to acknowledge the spindle magnet of the main spindle after an M3 1 was used If this is not used after an M3 1 the M3 would start the sub spindle again Section 2 M Functions 23 Fadal M4 Spindle CCW EXAMPLE M4 1 Sub Spindle On Ignore Magnet y SPECIAL FEATURE EXAMPLE M4 2 Acknowledge Spindle Magnet v SPECIAL FEATURE M5 Spindle Off TIME SAVER 24 User Manual This function is used to start the spindle rotation in a counterclockwise direction X3 674 Y1 5 M19 Z 1 2 M4 S300 The spindle will turn on CCW at this line Z 1 18 G1 F4 M4 1 is used to start a sub spindle Normally an M4 would be used to start the main spindle When this occurs the control is looking for the magnet on the pulley If the control does not see the magnet turning a Motor Overload message will appear on the screen The M4 1 will ignore the pulley magnet and direct the sub spindle to start An S word on the line or before the M4 1 will establish an RPM to use when the spindle starts An S word after the M4 1 will direct the spindle to rotate at the new RPM An M function boar
9. axis is moving back and forth from the beginning point to the end point of the move all other axes can be moved while the X move is reciprocating The feed rate of the reciprocated move is separate from the advancing moves The F word before the M11 will apply to the reciprocated move The F word after the M11 will apply to the advancing moves The feed rate for the advancing moves is usually much lower than the feed rate for the first or reciprocated move See Figure 2 2 GO G90 S2000 M3 X0 YO This X position is the beginning point of the reciprocated move H1M7Z 1 G1 X5 0 F50 The F50 here applies to the reciprocated move only X5 0 is the end point M11 Reciprocate the last X move until the M10 code is used G1 Y 2 Z 25 F1 The F1 applies to the advancing moves only Y 2 25 G19 Y 2 5 ZO K 25 G2 M10 The reciprocation is canceled and the X axis moves to the end point at X5 0 Y 2 5 G4 P2000 A dwell is used to allow the reciprocated move to get to the end point Section 2 M Functions April 2003 Fadal M12 M16 Reciprocation for Y Z B A M17 End of Subroutine SPECIAL v FEATURE EXAMPLE April 2003 User Manual 5 000 START POINT FIRST MOVE Cal 0 ADVANCING MOVES a Z l e 250 425 2 000 2 250 3 000 Figure 2 2 M11 X Axis Reciprocation These codes are similar to M11 however they apply to the Y Z B and A axes
10. or the parameters can be used from and stored in a parameter page e Use the DFF command to access the parameter page e Use the background edit menu to alter the parameters and change them on the fly e Use parametric variables to hard code the parameters in the program Deceleration The time to decelerate the axes from programmed feed rate to a full stop measured in milliseconds Deceleration is important to slow the tool down for smooth transitions into or around corners The deceleration will improve the ability of higher feed rates to be used At higher feed rates a larger deceleration may be necessary to provide a smoother transition into the corners and to meet the specified detail There is a point when the deceleration will not improve the quality of the part but will adversely affect the total part time Pick a deceleration value that gives good part times while meeting the desired tolerances of the part Values of 20 to 80 are appropriate for most feed rates The deceleration ranges from 5 to 250 milliseconds To pick up values from the DFF table set the value of R2 to the corresponding tool number in the table The parameters will then be used from the table Acceleration The time to accelerate the axes from a full stop to the programmed feed rate measured in milliseconds The tool is accelerated out of corners or part details to the programmed feed rate This is the approximate total time for the acceleration curve to bring the
11. or B axis has returned to a set position before continuing the program 99 milliseconds is a suggested amount for this situation The P can be increased or decreased If the wait Section 2 M Functions April 2003 Fadal M48 3 amp M49 3 Pallet B Rotary Table Override Potentiometer y OPTIONAL FEATURE v SPECIAL FEATURE EXAMPLE M60 M69 User Attached Devices April 2003 User Manual P amount is not long enough the control will time out waiting for the A or B axes to return to position M48 3 enables and M49 3 disables the Pallet B rotary table axis override pot This potentiometer is available on VMCs with the pallet changer rotary table combination When Pallet B is in the store or in the working position this potentiometer allows the operator to rotate the rotary table on Pallet B for loading and unloading parts See Section 17 Pallet Changer M49 3 will automatically return the rotary table B axis to the original position before rotation with the pot This must always be used when the M48 3 is used Occasionally a G4 P will have to used after the M49 3 to insure that it rotates to its original position N507 E0 XOYO AO N508 M32 1 LOAD PALLET A STORE PALLET B N509 M48 3 PALLET B ROTARY OVERRIDE ENABLE N530 M49 3 PALLET B ROTARY OVERRIDE DISABLE N531 EO x0 YO AO N532 M33 1 LOAD PALLET B Note When using the M48 2 or M48 3 wi
12. state allowing the operator to press START or AUTO to begin execution M2 End of Program In Format 2 M2 acts as an M30 to mark the end of the main program and will Format 2 only e cancel the current tool length offset e cancel the spindle and coolant functions EXAMPLE Formats 1 amp 2 M5 M9 22 Section 2 M Functions April 2003 Fadal M3 Spindle CW EXAMPLE M3 1 Sub Spindle On Ignore Magnet SPECIAL v FEATURE EXAMPLE M3 2 Acknowledge Spindle Magnet SPECIAL v FEATURE April 2003 User Manual G53 Z0 M6 T1 EO x0 YO M2 This is the end of the main program M3 is used to start spindle rotation in a clockwise direction M6 T7 TOOL 7 1 C DRILL M1 G90 GO S300 M3 E1 XO YO The spindle will turn on CW at this line M3 1 is used to start a sub spindle Normally an M3 would be used to start the main spindle When this occurs the control is looking for the magnet on the pulley If the control does not see the magnet turning a Motor Overload message will appear on the screen The M3 1 will ignore the pulley magnet and direct the sub spindle to start An S word on the line or before the M3 1 will establish an RPM to use when the spindle starts An S word after the M3 1 will direct the spindle to rotate at the new RPM An M function board needs to be installed to redirect the Spindle On command to the drive system of the sub spindle
13. tool up to full speed Values of 10 to 40 are appropriate for most feed rates The acceleration ranges from 5 to 250 milliseconds Detail The minimum detail acceptable is measured in inches The detail parameter will hold the X Y and Z axes to a specified detail amount This detail will dynamically change for each axis depending on the contour but will always meet the programmed detail value The ability of the axes to meet their detail is directly affected by the other AFF parameters A larger gain will help the axis be driven to meet the detail specified The deceleration will help the axes to softly move from the programmed feed rate down to zero speed and to the detail desired The acceleration will not directly help the detail but will help when using faster feed rates It will improve the transition from zero speed to the programmed feed rate The detail value ranges from 0002 to 0250 The appropriate value depends on the part and tool If it is a roughing tool a larger detail should be used Section 2 M Functions 43 Fadal M95 Feed Forward Cancel EXAMPLE M95 1 Feed Forward by Feed Rate Modification Cancel M95 2 AFF Cancel M96 Intersectional Cutter Compensation Canceled Roll CRC EXAMPLE 44 User Manual This code is used to cancel the M94 mode It is non modal and must be the only code on the line This code can also be used as a non modal form of the G9 code If the program is in
14. Clamp Drill A180 M 60Unclamp Move Clamp Drill M80 Automatic This function is used to open the automatic doors Doors Open OPTIONAL v FEATURE M81 Automatic This function is used to close the automatic doors Doors Close OPTIONAL v FEATURE M90 M93 Gain These codes are used to determine the way that the axes will respond during Setting contouring moves When using feed rates lower than F50 ipm the M91 code should be used M91 is the factory setting in the SV menu When using high feed rates for contouring above F50 imp the M92 code would allow the machine to track closer The M93 code is only used internally for the rigid tapping cycle M90 Change Axis This is the gain for each axis where a value of 100 is normal and 120 is 20 Gain P Word more than normal Gain has a multiplying effect on the response of a servo system Gain controls how hard the motors are driven Larger numbers make the motors more responsive to velocity changes but a gain that is too large will cause the system to be unstable and cause overshooting as the feed rates increase the gain should increase as well With the appropriate value of gain 38 Section 2 M Functions April 2003 Fadal M94 Feed Forward Function SPECIAL v FEATURE April 2003 User Manual chosen the axes will meet detail at higher feed rates At around 150 IPM a gain of 125 should be us
15. DE HOLD button The pallet movement to and from the stored position may also be stopped with the SLIDE HOLD button See also G17 1 and G17 2 Section 2 M Functions April 2003 Fadal M32 Load and Store Pallet A y OPTIONAL FEATURE M32 1 Load Pallet A amp Verify Pallet A Has Been Loaded v OPTIONAL FEATURE M33 Store and Load Pallet B y OPTIONAL FEATURE April 2003 User Manual When Pallet B is in the load position M32 will store Pallet B and the pallet arm will move to Pallet A The machine will be placed in the WAITING state and the pallet door will remain open until the START button is pressed When the START button is pressed Pallet A will be returned to the load position When Pallet A is in the load position M32 will store Pallet A The machine will be placed in the WAITING state and the pallet door will remain open until the START button is pressed When the START button is pressed Pallet A will be returned to the load position Note All fixture and machine offsets MUST be canceled prior to attempting a pallet change see Section 17 Pallet Changer Note The table move to the pallet position may be stopped with the SLIDE HOLD button The pallet movement to and from the stored position may also be stopped with the SLIDE HOLD button When Pallet B is in the load position M32 1 will store Pallet B and load Pallet A
16. Fadal User Manual Section 2 M Functions MO Program Stop MO temporarily suspends program execution and cancels the spindle and coolant functions The CNC enters the WAITING state until the operator pushes one of the following buttons e START or AUTO button to continue program execution The coolant and spindle will not turn on unless coded e MANUAL aborts program execution e JOG initiates the jog away feature Using the jog away feature any axis can be moved away from its current position without disturbing the CNC s memory of that position This allows an optional automatic return of the jogged axes to that position to complete the machining cycle see Section 7 SLIDE HOLD Jog away from EXAMPLE G80 M5 M9 G55 Z0 M6 T3 TOOL 3 5 2FL HSS EM 01 C RADIUS MO OPERATOR CHANGE CLAMPS FROM POSITION 1 TO POSITION 2 The program will stop at this line and will not continue until the START or AUTO button is pressed G90 GO S7500 M3 E1 X1 43 Y 2 7 Note The look ahead processing does not continue past an MO Look ahead processing begins after the START or AUTO button is pressed while in the WAITING state Note Another way to accomplish a program stop is to use G4 P66000 on a line in the program This will cause the control to enter the WAITING state In this case the spindle and coolant will not be turned off and the look ahead processing will continue beyond the G4 code see Chapter 3 G Codes April 2003 Secti
17. M7 1 M8 M8 1 M9 M7 FLOOD M8 MIST Option 1 M7 M8 M7 1 M8 FLOOD M7 MIST Option 2 M8 M7 M8 1 Default M7 1 Programmable Coolant On SETP Parameter M8 Coolant Two On v OPTIONAL FEATURE SETP Parameter EXAMPLE M8 1 Programmable Coolant On y OPTIONAL FEATURE April 2003 M9 cancels all Coolant functions The M7 1 activates the optional Servo Coolant and the electrical receptacle labeled FLOOD Coolant One only if M7 is selected as the Flood Coolant in the SETP parameter page see the Coolant Options table above See the Miscellaneous Section of this manual for more details on operation and programming of the Servo Coolant system The M7 1 code will activate the optional Servo Coolant only when the SETP parameter is set for M7 as flood If M7 is set to mist then M8 1 must be used to activate the optional Servo Coolant The M8 function activates the power supply either to the electrical receptacle labeled MIST or to the electrical receptacle labeled FLOOD Both receptacles are located on the back of the control box and each is 110 VAC 6 amps and may be used for various electrical devices The receptacle that is activated by M8 depends on the SETP option selected see the Coolant Options table above The M8 code will activate the Coolant One flood receptacle only when the SETP parameter is set for M8 as flood If
18. M8 is set to mist then M8 will activate the Coolant Two mist receptacle and M7 will activate the Coolant One flood receptacle With M8 set to MIST in the SETP pages M6 T1 TOOL 1 1 INCH 3FL HOG EM G90 GO S5000 M3 E1 X 9 Y 6 H1 D1 Z 98 M8 Coolant Two is turned on at this line The M8 1 activates the optional Servo Coolant and the electrical receptacle labeled FLOOD Coolant One only if M8 is selected as the Flood Coolant in the SETP parameter page see the Coolant Options table above See Chapter Nine Miscellaneous Section of this manual for more details on operation and programming of the Servo Coolant system Section 2 M Functions 27 User Manual Fadal SETP Parameter M9 Coolant Off EXAMPLE M10 Cancel Reciprocation 7 SPECIAL FEATURE M11 X Axis Reciprocation SPECIAL v FEATURE EXAMPLE 28 The M8 1 code will activate the optional Servo Coolant only when the SETP parameter is set for M8 as flood If M8 is set to mist then M7 1 must be used to activate the optional Servo Coolant The M9 code will cancel both Coolant One and Coolant Two M7 M8 M7 1 and M8 1 EO XO YO M5 M9 The coolant will be canceled at this line The M10 code cancels reciprocation The reciprocated move will stop and complete its motion at the end point of the original move The M11 code will reciprocate the last X axis move made in the program As the X
19. d needs to be installed to redirect the Spindle On command to the drive system of the sub spindle Use an M5 to stop the sub spindle from rotating See also M4 2 to use the main spindle after the sub spindle is used M6 T7 TOOL 7 BLANK TOOL FOR SUB SPINDLE CLEARANCE M1 G90 GO S300 M4 1 E1 XO YO The sub spindle will start at this line Use an M4 2 to acknowledge the spindle magnet of the main spindle after an M4 1 was used If this is not used after an M4 1 the M4 would start the sub spindle again M5 stops the spindle and the coolant The spindle will neither orient nor lock Using M5 on a line prior to an M6 will reduce the time of a tool change by stopping the spindle before the head returns to the tool change position Section 2 M Functions April 2003 Fadal M6 Tool Change SETP Parameter April 2003 User Manual M6 changes tools in the spindle The M6 usually appears in a line with a T code The T will specify which tool to pick up next The M6 can be used from any position on the table M6 will cause the following events e The current tool length offset will be canceled and the Z axis will move to the cold start position e The spindle will stop and orient and the coolant will stop e The tool changer will move out to the tool in the spindle and the head will rise above the tool e The turret will rotate to the position specified by the T word and then the head will move down over the tool installing tha
20. d waits for a cycle complete signal M45 M45 is used because M20 is not considered a move by the control M45 is also used when motion to the next fixture offset is at the same point as the current fixture For example E1 X1 and E2 X1 would appear to the machine as no motion even if the operator can see the motion from one fixture to the next When the move is to the same position on the next fixture this is called a null move and is recognized as not having moved The M45 is then used to execute the cycle after this null move E1 X1 Y 1 Move to first position G82 G99 RO 1 Z 17 F45 P18 M45 Start cycle and execute it Section 2 M Functions April 2003 Fadal M46 Positive Approach y SPECIAL FEATURE EXAMPLE M47 Cancel Positive Approach M48 Potentiometer Controls In EXAMPLE April 2003 User Manual E2 X1 Y 1 Move to second position first null move M45 M45 is used because of the null move E3 X1 Y 1 M45 This code causes the machine to move the X and Y axes in a negative then positive direction before the execution of a fixed cycle G73 G89 The X and Y axis move 015 in the negative direction at 25 inches per minute then move 015 in the positive direction at 3 inches per minute This returns the machine back to the original location and then the fixed cycle will execute A Q word on the line with an M46 will define the amount to move for the
21. de must be the only code on the line When the auto button is pressed or the AU command is used the control will recognize the L100 as a subroutine and then search for other subs and then the M30 code Program execution will start from the line just after the M30 line 054 P N 5435 W23 Section 2 M Functions 31 Fadal M30 End Of Program Format 2 EXAMPLE M31 Exchange Pallets y OPTIONAL FEATURE 52 User Manual L100 SUB FOR HOLES Subroutine Section X2 965 Y 1 1107 X4 1 M17 M30 This is the end of the subroutine section of this program MAIN PROGRAM Program execution begins after the M30 code This is a format 2 feature The M2 and the M30 both function as end of program codes If this code is used in Format 1 it will act like the M2 code acts in Format 1 If M30 or M2 are used in Format 2 they will e Cancel the current tool length offset e Cancel the spindle and coolant functions GO G90 G53 Z0 EO x0 YO M6 T1 M30 This is the end of the main program M31 performs a pallet exchange The pallet changer will store the current pallet and load the other pallet No other machine movements will be made This is the only code allowed on the program line Note All fixture and machine offsets MUST be canceled prior to attempting a pallet exchange see Section 17 Pallet Changer Note The table move to the pallet position may be stopped with the SLI
22. ed Below 40 IPM a gain of 100 is appropriate M90 DEFAULT Determined by the SV command M91 NORMAL M92 INTERMEDIATE M93 HIGH The default at power on is determined by the setting on the axis controller card The SV command is used to write the settings to the controller card The M94 code is used for linear moves only to increase accuracy during high speed surfacing where radical changes in direction occur These moves are generally at a feed rate of 50 ipm or higher CNC programs for 3D surfaces use many small linear moves G1 to form surfaces and the G8 code is used to eliminate hesitation between each move In most cases this is desirable except where radical changes in direction occur DECELERATION LESS THAN NOT APPLIED Q WORD LENGTH X La X DIRECTION THIS ANGLE IS USED OF MOTION WHEN THE PREVIOUS MOVE IS LESS THAN P WORD ele THE Q WORD LENGTH ba tee DECELERATION APPLIED Figure 2 3 Feed Forward Function The Feed Forward function affects the way the control accomplishes the acceleration and deceleration at the beginning and end of each move When a move falls into the range assigned by the M94 parameters the control will monitor axis servo feedback to determine how to move instead of using reprocessed moves as it normally would Section 2 M Functions 39 Fadal User Manual The M94 and its parameters must be on a line with NO other codes It is modal and is canceled by an M95 It only operate
23. he current move and the next move is less than the P word angle the feed rate will be modified The Q word represents a percentage This will be the amount that the feed rate will change each time it is modified see R2 below for frequency of the modification ANGULAR DIFFERENCE USE M94 1 IF MOVE IS WITHIN THIS RANGE Loe Figure 2 4 R0O The RO represents a percentage This states that the modified feed rate should reduce no more than this percentage of the programmed feed rate The R1 represents a length This states that if the next move is longer than this amount then use the programmed feed rate for that move The R2 represents angular degrees With the Q word modification percentage this will be used to determine how the feed will be modified This will modify the feed rate by the percentage assigned to the Q word every R2 degrees for the current difference in angular moves by the percentage assigned to the Q word N15 F100 G1 Section 2 M Functions 41 April 2003 Fadal User Manual N16 M94 1 P170 Q10 RO 50 R1 1 R2 15 The modified feed rate would be determined by this formula Fmodified Fprogrammed Fprogrammed Q word Angular Difference R2 With an angular difference of 60 degrees and a programmed feed rate of 100 ipm the modified feed would be 60 ipm Fmodified 100 100 1 60 15 60 Note M94 1 and M94 can both be in effect at the same time N
24. on 2 M Functions 21 Fadal User Manual M1 Optional M1 is similar to MO with the exception that the program will stop only when the Program Stop optional stop switch is in the ON position This code could be included in a program for the convenience of the operator to allow the program to stop at certain points For machine pendants without an optional stop toggle switch type MU after the AUTO button is pressed or any time while the program is being executed and select Option 2 from the Run Time Menu EXAMPLE Z 1 GO G40 M5 M9 G53 Z0 M6 T5 TOOL 5 375 3 8 4FL CARBIDE EM TIN M1 The program will stop here only if either the optional stop switch is on or Option 2 has been selected from the Run Time Menu G90 GO S 10000 M3 E1 X 3 Y 2 M2 End of Program M2 indicates the end of the main program and will cause the following events Format 1 e Cancel the current tool length offset e Cancel the fixture offset and move to the current position at EO e Return all axes to the home position and move to the SETH position e Cancel the spindle and coolant function e Reset preparatory functions See Section 1 Default Status The CNC then enters the WAITING state ready to run the program again Note The CNC continuously processes data filling the look ahead buffer The WAITING state appears when the buffer is full If the AUTO MANUAL or START button is pressed while processing the CNC will immediately enter the WAITING
25. ote The feed rate to be modified must be specified before the M94 1 No other F Word may be specified after M94 1 until an M95 1 is used A new feed rate may be specified and then the M94 1 can be used again M94 2 Advanced The advanced feed forward option is designed to satisfy the needs of high Feed Forward speed machining Normally the gain acceleration rate deceleration rate and detail factor on a machine tool is established to satisfy a large range of ff OPTIONAL customer needs Until now this did not directly target the specific needs of high FEATURE speed contouring on surfaces AFF allows the user to tune the machine to specific needs Production rate is important AFF allows the machine to cut loose and fast for roughing cuts tighter for semi finish cuts and very close tracking for finish cuts One method for controlling surface integrity is feed rate Other controls will use what is termed look ahead to analyze angular change in a series of moves The more dramatic a change the lower the feed rate This results in lower cycle times AFF differs in that the feed rate is constant resulting in faster cycle times AFF allows five factors to be altered e Gain e Deceleration e Acceleration e Detail e Feed Rate 42 Section 2 M Functions April 2003 Fadal April 2003 R1 R2 P Word Q Word User Manual These factors can be altered on the fly can be hard coded in the program
26. positive approach if more or less than 015 is desired M46 can be coded on any block of the program except for blocks containing any words that need to be on a line by themselves Only the X and Y positions that follow a fixed cycle are affected by this code This function is modal and will remain in effect until canceled by an M47 The feed and speed pots are disabled during the positive approach moves and are enabled after the moves are complete M46 Q 025 Start positive approach mode G82 G99 RO 1 Z 18 F45 P18 X3 45 Y 78 Move take positive approach drill X3 Y 89 Move take positive approach drill M47 Cancel positive approach This code is used to cancel the positive approach mode This code enables the operator to override the programmed feed rate and spindle RPM by use of the potentiometers located on the pendant just above the jog selection switches This code would only be required when an M49 code is used in the program M49 Cancel the operator s ability to override the feed rate and RPM G85 G99 RO 3 Z 7 F100 X3 78 Y1 X3 Y5 M48 Enable the operator to alter the feed rate and RPM Section 2 M Functions 35 User Manual Fadal M49 Potentiometer Controls Out M48 1 amp M49 1 Servo Coolant Potentiometer Controls In Out y OPTIONAL FEATURE SPECIAL FEATURE v M48 2 amp M49 2 Pallet A Rotary Table Override Potentiometer y
27. s with the 3 processors or higher and is not operational in the G91 1 mode Deceleration occurs when the angle between moves is smaller than the P word and the move length is greater than or equal to the Q word The Q word is not a required parameter and is used to filter out extremely small moves M94 P91 Q 003 This sets the decel accel for any move that is both 003 or longer and smaller than 91 degrees from the last move P Word The P word sets the angular tolerance for the feed forward mode and must be less than 180 degrees When the angle between the current direction and the next programmed direction is less than the P word the machine initiates a high speed deceleration to increase the accuracy of the directional change Acceleration then begins regardless of the length of the following moves The acceleration may occur over an unlimited number of program blocks Full acceleration is accomplished over a distance of two hundred thousandths when no further deceleration is required Q Word The Q word is used to set the length tolerance for the feed forward mode When the length of the next programmed move is equal to or longer than the Q word the control checks the angle between the current move and the next move If this angle is less than the P word value deceleration occurs Note M94 and M94 1 can both be in effect at the same time M94 1 Feed Forward The M94 1 code is another type of feed forward mode used for high speed
28. t so that the turret specified is opposite the spindle See Example 2 below M5 M9 G90 GO G53 Z0 M6 T21 TOOL 21 MP 8 PROBE The tool is changed to tool 21 at this line M5 M9 G90 GO G53 Z0 X 10 Y5 MOVE TO CLEARANCE POSITION M6 T2 TOOL 2 10 INCH 1 25 SPADE DRILL Tool 2 is changed into the spindle T 10 The turret will rotate so that tool 10 is opposite the spindle The M7 function activates the power supply either to the electrical receptacle labeled FLOOD or to the electrical receptacle labeled MIST Both receptacles are located on the back of the control box and each is 110 VAC 6 amps and may be used for various electrical devices The receptacle that is activated by M7 depends on the SETP option selected see the Coolant Options table below The M7 code will activate the Coolant One flood receptacle only when the SETP parameter is set for M7 as flood If M7 is set to mist then M7 will activate the Coolant Two mist receptacle and M8 will activate the Coolant One flood With M7 set to FLOOD in the SETP pages M6 T1 TOOL 1 1 INCH 3FL HOG EM G90 GO S5000 M3 E1 X 9 Y 6 H1 D1 Z 98 M7 Coolant One is turned on at this line Table 1 Coolant Options Codes M7 M7 1 M8 M8 1 M9 SETP Option Selected Flood Mist Optional Servo Coolant Receptacle On Receptacle On On 26 Section 2 M Functions April 2003 Fadal User Manual Table 1 Coolant Options Codes M7
29. t tool into the spin dle e After exchanging the tools the Z axis will move to the SETZ position if the M6 is used in a position other than the Z axis CS position Note Execution of this code will cancel the Z portion of a fixture offset This Z axis amount will be applied with the next H or Z words The SETP option SPINDLE ON AFTER M6 can affect the M6 The factory recommends the NO setting BAUD RATE 2400 SPINDLE AFTER M6 NO TRAVEL X40 Y20 220 PENDANT MOUNTED 690 2 G1 TOOL CHANGER CAP 21 RPM FACTOR 5 SPINDLE TYPE 10 000 ORIENTATION FACTR 10 SHOULD SPINDLE COME ON AUTOMATICALLY AFTER A TOOL CHANGE WHEN THE M6 HAD TO TURN THE SPNDLE OFF 1 NO FADAL RECOMMENDS THIS RESPONSE 2 YES IF YES ALL PERSONNEL MUST BE AWARE OF THE POSSIBILITY OF OVERSPEEDING A TOOL BEFORE THE NEW S WORD IS ENCOUNTERED P PAGE ENTER RT BACKSP LT U UP D DN MAN EXIT OR SELECT NUM Figure 2 1 SETP Parameter Menu WARNING When this parameter is selected as YES the spindle automatically turns on after the tool change The spindle comes on at the Section 2 M Functions 25 Fadal T Move Tool Changer SPECIAL FEATURE y EXAMPLE EXAMPLE M7 Coolant One On SETP Parameter EXAMPLE User Manual last programmed spindle speed This may cause an over speed of the next tool It is recommended that this parameter is set to NO A T in a line by itself with no M6 will rotate the turre
30. th the A or B axes insert a new line after the M48 2 or M48 3 and place a G4 P99 on this line The G4 P99 is a code used to dwell or wait a millisecond amount of P The dwell in this case is used to wait 99 milliseconds until the A or B axis has returned to a set position before continuing the program 99 milliseconds is a suggested amount for this situation The P can be increased or decreased If the wait P amount is not long enough the control will time out waiting for the A or B axes to return to position Relay sockets are provided for the attachment of special devices such as brakes and clamps Refer to the VMC Maintenance Manual for information regarding user attached devices If the VMC is equipped with Renishaw probe options M64 is used to activate the MP8 MP11 and MP12 probe M65 is used to activate the TS 20 or TS 27 tool setter For the MP11 or the MP12 M66 is required along with the M64 For the Laser Probe M67 is required along with the M64 Section 2 M Functions 37 Fadal User Manual M60A Axis Brake On M61A Axis Brake Off M62B Axis Brake On M63B Axis Brake Off M64Activate MP8 or MP11 Probe M64 M66Activate MP12 Probe M64 M67Activate Laser Probe M65Activate TS 20 or TS 27 Touch Probe M 60 amp M 62 for The use of a minus sign M 60 or M 62 will cause execution of these Fixed Cycles functions after machine positioning and before execution of a fixed cycle EXAMPLE G81 G99 RO 1 Z 5 F20 A90 M 60Move
31. the G8 mode an M95 on a line by itself will affect the next line in the program so that it will decelerate and accelerate After the move is complete the G8 mode will continue N15 F100 G1 N16 M94 1 P170 Q10 RO 50 R1 1 R2 15 N10350 X 001Y 04 N10351 M95 Cancel Feed Forward This code is used to cancel the M94 1 mode It is non modal and must be the only code on the line This code is used to cancel the optional Advanced Feed Forward mode This code is used to cancel intersectional cutter radius compensation The M96 code is modal and will remain in effect until the M97 code is used see Section 9 for details N22 G1 F10 Z 25 N25 M96 N24 G1 G4 1X0 F40 N25 Y1 N26 X2 Section 2 M Functions April 2003 Fadal M97 Intersectional Cutter Compensation EXAMPLE M98 Subprogram Formats 1 amp 2 P Word April 2003 User Manual CIRCULAR PATH Figure 2 5 Circular Path This code is used to start the intersectional cutter radius compensation mode The M97 code is modal and will remain in effect until the M96 code is used see Section 9 for details N22 G1 F10 Z 25 N25 M97 N24 G1 G4 1X0 F40 N25 Y1 N26 X2 INTERSECTION Figure 2 6 Intersection This code is used to call a subprogram see section 5 for details M98 P L Identifies the number of the subprogram to be called Section 2 M Functions 45 Fadal L Word EXAMPLE M99 End Of Subprogram
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