STUDY OF G CODES M CODES USED IN CNC LATHE HMT CNC- T70
G CODES
G00 RAPID TRAVERSEPOSITIONING
G01 LINEAR INTERPOLATION
G02 CIRCULAR INTERPOLATION CLOCKWISE
G03 CIRCULAR INTERPOLATION COUNTERCLOCKWISE
G04 DWELL
G25 PROGRAM TRANSFER FROMSYSTEM.
G26 PROGRAM TRANSFER TO SYSTEM
G33 THREADING
G37 SUBROUTINE CALL
G38 SUBROUTINESTART
G39 SUBROUTINE END
G65 CASSETTE LOAD
G66 CASSETTE SAVE
G67 CASSETTE SEARCH
G70 INCH MODE
G71 METRIC MODE
G81 TURNINGCYCLE
G84 THREADING CYCLE
G83 DRILLING WITH DWELL
G90 ABSOLUTEPROGRAMMING
G91 INCREMENTALPROGRAMMING
G92 PROGRAM PRESET
G94 FEED PER MINUTE
G95 FEED PER REVOLUTION
M CODES
M00 PROGRAMSTOP
M02 PROGRAMEND
M30 PROGRAM END AND REWIND
VMC 200 T MACHINING CENTRE
G CODES
G00 RAPID TRAVEERSEPOSITIONING
G01 LINEAR INTERPOLATION
G02 CIRCULAR INTERPOLATION CLOCKWISE
G03 CIRCULAR INTERPOLATION COUNTERCLOCKWISE
G04 DWELL
G17 INTERPOLATION X-YPLANE
G18 INTERPOLATION X-ZPLANE
G19 INTERPOLATION Y-ZPLANE
G25 PROGRAM TRANSFER FROMSYSTEM
G26 PROGRAM TRANSFER TO SYSTEM
G37 SUBROUTINE CALL
G38 SUBROUTINESTART
G39 SUBROUTINE END
G40 CUTTER COMPONSATIONCANCEL
G41 CUTTER COMPONSATION LEFT
G42 CUTTER COMPONSATION RIGHT
G65 CASSETTE LOAD
G66 CASSETTE SAVE
G67 CASSETTESEARCH
G70 INCH MODE
G71 METRIC MODE
G80 CANNEDCYCLECANCEL
G82 DRILLING CYCLE
G83 DRILLING WITH DWELL CYCLE
G84 PECKDRILL/WITHDRAWLCYCLE
G85 BORING CYCLE
G86 PCD DRILLING CYCLE
G88 RECTANGULAR MILLINGCYCLE
G89 CIRCULAR MILLING CYCLE
G90 ABSOLUTE PROGRAMMING
G91 INCREMENTALPROGRAMMING
G92 PROGRAM PRE SET
M CODES
M00 PROGRAM STOP
M02 END OF PROGRAM
M03 SPINDLESTARTCW
M04 SPINDLESTARTCCW
M05 SPINDLE STOP
M06 TOOL CHANGE PROMPTING
M30 END OF PROGRAM&REWIND
G-CODES
G91: INCREMENTAL
G00: POSITIONING G92: COORDINATESYSTEMSETTINGOR
G01: LINEAR INTERPOLATION MAX. SPINDLE SPEED SETTING
G02: CIRCULAR INTERPOLATION CW G94: PER MINUTE FEED
G03: CIRCULARINTERPOLATIONCCW G95: PER REVOLUTION FEED
G04: DWELL G96: CONSTANT SURFACE SPEED (O)
G10: OFF SET VALUESETTING(O) G97: REVOLUTION PER MINUTE (RPM)
G20: INCH
G21: METRIC M-CODES
G22: STORED STROKE CHECK ON(O)
G23: STORED STROKE CHECKOFF(O) M00: PROGRAM STOP
G25: SPINDLE SPEED DETECT OFF M01: OPTIONAL STOP
G26: SPINDLE SPEED DETECT ON M02: PROGRAM END AND RESTART
G27: REF. POINT RETURN CHECK M03: SPINDLE ROTATION CW
G28: REF. POINT RETURN M04: SPINDLE ROTATION CCW
G30: 2ND (3,4)REF.POINTRETURN M05: SPINDLE STOP
G31: SKIP CUTTING M07: COOLANT ON
G33: THREAD CUTTING M09: COOLANT OFF
G34: VARIABLE LEAD THREAD CUTTING M10: CHUCK DECLAMP
G36: AUTO TOOL OFF STE X-AXIS (O) M11: CHUCK CLAMP
G37: AUTO TOOL OFF SET Z-AXIS (O) M16: CHUCK 1D SELECTION
G40: TOOL NOSE RADIUS M18: CHUCK 0D SELECTION
COMPENSATION CANCEL M19: SPINDLE ORIENTATION
G41: TOOL NOSE RADIUS M20: SPINDLE ORIENTATION CANCEL
COMPENSATION LEFT (O) M30: END OF MAIN PROGRAM
G42: TOOL NOSE RADIUS M32: TAILSTOCK QUIL FORWARD
COMPENSATION RIGHT (O) M33: TAILSTOCK QUIL RETRACT
G53: SUPPRSSION OFZEROOFFSET M35: PARTS CATCHE RETRACT
G54: SETTABLE ZERO OFFSET M46: DOOR OPEN
G55: SETTABLEZEROOFFSET M47: DOOR CLOSE
G56: SETTABLEZEROOFFSET M50: SPINDLE LOCK
G57: SETTABLEZEROOFFSET M51: SPINDLE UNLOCK
G65: MACRO CALL (O) M78: STEADY REST OPEN
G68: DOUBLE TURRETS MIRROR ON ( M79: STEADY REST HOLD
G69: DOUBLE TURRETS MIRROR OFF M82: TAIL STOCK BODY FWD /
G70: FINISHING CYCLE (O) UNCLAMP
G71: ROUGH CUTTING (TURNING) M83: TAILSTOCK BODY RET / CLAMP
(O) G72: ROUGH CUTTING M84: TOUCH PROBE ARM FORWARD
(FACING) (O) G73: ROUGH CUTTING M85: TOUCH PROBE ARM RETRACT
(PROFILE) (O) G74: GROOVING M98: SUB PROGRAM CALL
(FACING) (O) M99: SUB PROGRAM END
G75: GROOVING TURNING (O)
G76: THREAD CUTTING CYCLE (MULTI)
(O) G77: TURNING CYCLE
G78: THREAD CUTTING
CYCLE G79: FACING CYCLE
G90: ABSOLUTE
L Mill 55 VERTICAL MACHINIG
CENTRE G CODES
G00 Rapid positioning G74 Reverse tapping cycle
G01 Linear interpolation G76 Fine boring cycle
G02 Circular interpolation CW G80 Canned cycle cancel
G03 Circular interpolation CCW G81 Drilling cycle
G04 Dwell G82 Counter boring cycle
G09 Exact stop G83 Peck drilling cycle
G10 Data setting G84 Tapping cycle
G20 Inch input G85 Boring cycle
G21 Metric input G86 Boring cycle
G28 Zero return G87 Back boring cycle
G30 Second Reference Point G88 Boring cycle
G40 Tool nose radius compensation cancel G89 Boring cycle
G41 Tool nose radius compensation left G90 Absolute command
G42 Tool nose radius compensation right G91 Incremental command
G43 Tool length offset G98 Initial point level return (canned
cycle)
G52 Location coordinate system G99 Point R level return
G53 Machine coordinate system selection
G54 Work coordinate system 1 selection
G55 Work coordinate system 2 selection
G56 Work coordinate system 3 selection
G57 Work coordinate system 4 selection
G58 Work coordinate system 5 selection
G59 Work co ordinate system 6 selection
G73 Peck drilling cycle
L Mill 55 VERTICAL MACHINIG CENTRE
M CODES
M00 Temporary program stop
M01 Optional stop
M02 Program end
M03 CW spindle rotation
M04 CCW spindle rotation
M05 Spindle stop
M06 Tool change
M07 Secondary coolant ON
M08 Coolant pump ON
M10 4th axis clamp
M11 4th axis unclamp
M19 Spindle oriented stop
M30 Program end and rewind
M50 Oil hole coolant on
M60 Loading pallet B
M62 Loading pallet A
M63 Unloading pallet A
M73 Y - Axis mirror image off
M74 Y - Axis mirror image on
M75 X - Axis mirror image off
M76 X - Axis mirror image on
M98 Sub-program call
M99 Sub-program end
PART PROGRAMMING MANUAL
CANNED CYCLE-G71-G76 (MULTIPLE REPETITIVE CYCLE) :
G71 STOCK REMOVAL IN TURING.
G71 U_R_;
G71 P_Q_U_W_F_;
G71 U∆d Re;
G71 pnsQnfU∆uW∆wFf;
∆d = Depth of cut in radius
e = Tool escape / tool retraction distance
ns = Sequence number of the first block of the program which specifies the finish
figure.
nf =
Sequence number of the last block of the program which specifies the finish figure.
∆u = Finish allowance on “x”axis / diameter
F = Feed.
JOBBER XL CNC LATHE
G-CODES G90: ABSOLUTE
G00: POSITIONING G91: INCREMENTAL
G01: LINEAR INTERPOLATION G92: COORDINATE SYSTEM SETTING OR
G02: CIRCULAR INTERPOLATION CW MAX. SPINDLE SPEED SETTING
G03: CIRCULAR INTERPOLATION CCW G94: PER MINUTE FEED
G04: DWELL G95: PER REVOLUTION FEED
G10: OFF SET VALUE SETTING (O) G96: CONSTANT SURFACE SPEED (O)
G20: INCH G97: REVOLUTION PER MINUTE (RPM)
G21: METRIC M-CODES
G22: STORED STROKE CHECK ON (O) M00: PROGRAM STOP
G23: STORED STROKE CHECK OFF (O) M01: OPTIONAL STOP
G25: SPINDLE SPEED DETECT OFF M02: PROGRAM END AND RESTART
G26: SPINDLE SPEED DETECT ON M03: SPINDLE ROTATION CW
G27: REF. POINT RETURN CHECK M04: SPINDLE ROTATION CCW
G28: REF. POINT RETURN M05: SPINDLE STOP
G30: 2ND (3,4) REF. POINT RETURN M07: COOLANT ON
G31: SKIP CUTTING M09: COOLANT OFF
G33: THREAD CUTTING M10: CHUCK DECLAMP
G34: VARIABLE LEAD THREAD CUTTING (O) M11: CHUCK CLAMP
G36: AUTO TOOL OFF STE X-AXIS (O) M16: CHUCK 1D SELECTION
G37: AUTO TOOL OFF SET Z-AXIS (O) M18: CHUCK 0D SELECTION
G40: TOOL NOSE RADIUS COMPENSATION M19: SPINDLE ORIENTATION
CANCEL M20: SPINDLE ORIENTATION CANCEL
G41: TOOL NOSE RADIUS COMPENSATION M30: END OF MAIN PROGRAM
LEFT (O) M32: TAILSTOCK QUIL FORWARD
G42: TOOL NOSE RADIUS COMPENSATION M33: TAILSTOCK QUIL RETRACT
RIGHT (O) M35: PARTS CATCHE RETRACT
G53: SUPPRSSION OF ZERO OFFSET M46: DOOR OPEN
G54: SETTABLE ZERO OFFSET M47: DOOR CLOSE
G55: SETTABLE ZERO OFFSET M50: SPINDLE LOCK
G56: SETTABLE ZERO OFFSET M51: SPINDLE UNLOCK
G57: SETTABLE ZERO OFFSET M78: STEADY REST OPEN
G65: MACRO CALL (O) M79: STEADY REST HOLD
G68: DOUBLE TURRETS MIRROR ON (O) M82: TAIL STOCK BODY FWD / UNCLAMP
G69: DOUBLE TURRETS MIRROR OFF M83: TAILSTOCK BODY RET / CLAMP
G70: FINISHING CYCLE (O) M84: TOUCH PROBE ARM FORWARD
G71: ROUGH CUTTING (TURNING) (O) M85: TOUCH PROBE ARM RETRACT
G72: ROUGH CUTTING (FACING) (O) M98: SUB PROGRAM CALL
G73: ROUGH CUTTING (PROFILE) (O) M99: SUB PROGRAM END
G74: GROOVING (FACING) (O)
G75: GROOVING TURNING (O)
G76: THREAD CUTTING CYCLE (MULTI) (O)
G77: TURNING CYCLE
G78: THREAD CUTTING CYCLE
G79: FACING CYCLE
EX:NO: 1
DATE: 22.01.15
PROGRAMMING, SIMULATION AND MACHINING PROFILE TURNING
USING CNC - T70 LATHE
AIM:
To write a programme for the given component and execute the same in T70 Trainmaster Lathe.
TOOLS REQUIRED:
1. Tools
2. Aluminium shaft
3.vernier caliper
PROCEDURE
1.For the given dimensions of the work piece to be machined write the program using G codes
and M codes
2. Using the simulation software or by running the machine in test mode check the
program and if there is any error make the correction in the program.
3. Fix the work piece on the chuck
4. Move the tool to the start point of the work piece by manual mode.
5. Reset the Machine.
6. Change the machine from manual mode to single block mode or auto mode.
7. Execute the program to get the required shape of the work piece.
8. Remove the machined work piece from the chuck
PROGRAM
%
N01 G90 – Absolute programming
N02 G71 – Metric Mode
N03 G92 X0Z0 Program pre set
N04 G81 X-200 Z-6500 F200 (G81 – Turning cycle)
N05 G81 X-400 Z-5500
N06 G81 X-600 Z-4500
N07 G81 X-800 Z-3500
N08 G81 X-1000 Z-3400
N09 G81 X-1200 Z-3300
N10 G01 X-1500 Z0
N11 G01 X-1300 Z-200
N12 G01 X-1300 Z-3000
N13 G02 X-900 Z-3500 I500 K0
N14 G01 X-400 Z-5500
N15 G01 X-400 Z-6500
N16 G01 X0 Z-6500
N17 G01 Z0
N18 M30
%
Result
The part program for producing the given model is written and the given aluminium work
piece is machined to the given dimension
CNC Lathe: T70
1.Profile Turning using CNC - T 70 lathe
Profile Turning 1
EX:NO: 2
DATE: 05.02.15
PROGRAMMING, SIMULATION AND MACHINING PROFILE TURNING
AND THREAD CUTTING USING ACE JOBBER XL CNC LATHE
AIM:
To write a programme for the given component and execute the same in ACE Jobber XL
Lathe.
TOOLS REQUIRED:
1. Tool
2. Mild Steel shaft
3.Micro meter
4. Vernier
PROCEDURE:
1.For the given dimensions of the work piece to be machined write the program using
G codes and M codes
2. Using the simulation software or by running the machine in test mode check the
Program and if there is any error make the correction in the program.
3. Fix the work piece on the chucks.
4. Move the tool to the start point of the work piece by manual mode.
5. Reset the Machine.
6. Change the machine from manual mode to single block mode or auto mode.
7. Execute the program to get the required shape of the work piece.
8. Remove the machined work piece from the chuck.
PROGRAM: (Z)
%O0004
T0000
G21
(FACING)
G0T0801
G97S1200M04
G0X55.0Z0M07
G99G1X-1.0F0.2
G0Z2.0
(OD TURNING)
G92S1250M04
G96S210
X51.0
Z1.0
G71U1.0R2.0
G71P1Q3U0.2W0.12F0.15
N1G0X21.0
G01X21.0Z0
G1X25.0Z-2.0
Z-30.0
G2X35.0Z-35.0R5.0
G1X43.0Z-55.0
Z-65.0
N3X51.0
G97M09
T0000
G00X0Z0
(FINISHING)
T0402
G92S1200M04
G96S240
X55.0Z2.0M07
G70P1Q3F0.1
G97M09
T0000
G28U0W0
(THREADING)
T0304;
G00X0Z-100.0;
G97S100M04;
G00X25.0Z5.0;
G76P020060Q200R100;
G76X23.268Z-25.0P866Q400F1.0;
S0T0000;
G0X0Z-100.0M09;
M05
M30
RESULT:
The part program for the given model is written and the given Component is
machined to the given dimension.
Profile Turning
EX:NO: 3
DATE: 12.02.15
PROGRAMMING, SIMULATION AND MACHINING LETTER
MILLING USING CNC VMC 200 T
AIM:
To write a programme for the given component and execute the same in
VMC200T Trainmaster.
TOOLS REQUIRED:
1. Tools
2. Aluminium shaft
3.vernier caliper
PROCEDURE:
1.For the given dimensions of the work piece to be machined write the program using G
codes and M codes
2. Using the simulation software or by running the machine in test mode check the
program and if there is any error make the correction in the program.
3. Fix the work piece on the vice.
4. Move the tool to the start point of the work piece by manual mode.
5. Reset the Machine.
6. Change the machine from manual mode to single block mode or auto mode.
7. Execute the program to get the required shape of the work piece.
8. Remove the machined work piece from the vice.
PROGRAM:
%
N01 G90
N02 M03S200
N03 G17
N04 G01 X2000 Y5000 F80
N05 G18
N06 G01Z-500
N07 G17
N08 G01 Y2000
N09 G18
N10 G01 Z500
N11 G17
N12 G01 Y3500
N13 G18
N14 G01 Z-500
N15 G17
N16 G01 X5000 Y5000
N17 G18
N18 G01 Z500
N19 G17
N20 G01 X3000 Y4000
N21 G18
N22 G01 Z-500
N23 G17
N24 G01 X5000 Y2000
N25 G18
N26 G01 Z500
N27 G17
N28 G01 X9000 Y5000
N29 G18
N30 G01 Z-500
N31 G17
N32 G01 X6000 Y5000
N33 G01 Y2000
N34 G01 X9000
N35 G18
N36 G01 Z500
N37 G17
N38 G01 X6000 Y3500
N39 G18
N40 G01 Z-500
N41 G17
N42 G01 X8000
N43 G18
N44 G01 Z500
N45 G17
N46 G01 X12600 Y2500
N47 G18
N48 G01 Z-500
N49 G17
N50 G02 X12600 Y4500 I-1100 J1000
N51 G18
N52 G01 Z500
N53 G17
N54 G01 X0Y0
N55 M30
%
RESULT:
The part program for producing the given model is written and the given aluminium work
piece is machined to the given dimension.
CNC Milling: 200T
Letter Milling-1 using VMC 200 T
EX:NO: 4
DATE: 19.02.15
PROGRAMMING, SIMULATION AND PECK DRILLING & BORING
USING CNC LMILL 55 VERTICAL MACHINING CENTRE
AIM:
To write a programme for machining the given Component and execute the same
in L MILL55 Vertical Machining Centre.
TOOLS REQUIRED:
1. Tool
2. Mild Steel shaft
3.Micro meter
4. Vernier
PROCEDURE:
1.Study the Drawing Carefully to plan for the Machining operations.
2. Use the Man Machine Interface to Programme for the given Geometry.
3. Set the job and the offset for the given Workpiece.
4. Use the Processor for the operation sequence and set the parameters of the operation.
5. Select all the operations for the Simulation purpose and execute the program and verify
the same in L MILL55 Vertical Machining Centre.
6. Execute the Program and Remove the work piece from the Clamp.
PROGRAM:
O0020 (PECK DRILLING & BOARING);
N01
G0G91G28Z0
G28X0Y0
T04 (Centre drill)
M06
M03S800
G0G56G40G49X0Y0Z10.0
G01Z-10.0F5.0
G0Z0
M05
N02
G0G91G28Z0
G28X0Y0
T05(Drill dia 10.2mm)
M06
M03S800
G95G98G83X0Y0Z-140.0R-100.Q5.0F5.0
G80
M05
G91G28Z0
N03
T08 (U Drill dia22mm)
M06
M03S600
G0G58G40G49X0Y0Z0
G95G98G83X0Y0Z-140.R-100.Q5.F5.0
G80
M05
G91G28X0Y0
N4
T10 (Boring bar dia23)
M06
M03S800
G0G90G59G40G49X0Y0Z0
G95G98G86X0Y0Z-140.R-100.F5.0
M05
G80
G91G28Z0
G28X0M30
RESULT:
The part program for the given model is written and the given Component is
machined to the given dimension
EX:NO: 5
DATE: 05.03.15
NC CODE GENERATION USING MASTER CAM LATHE
AIM:
To generate the NC codes for given profile operation in master CAM lathe
COMMANDS USED:
1. Lines
2. Fillet
3. Tool Path
4. Operation
5. Job Setup.
PROCEDURE:
1. Using lines command draw the basic given profile in the editor by using Multi
points option.
2. Use fillet wherever needed.
3. Select Tool Path -> Rough -> Chain and select the lines at each extreme.
4. Then choose Tool path -> Job setup -> Boundary -> Parameters -> OD and Length.
5. Select Done.
CODE GENERATION :
1. Select Operation ->Regen Path -> Verify (iso) -> Post.
2. To get the code select Save.
RESULT:
Thus for given profile the NC code has been generated using master
camlathe.
Profile Turning
EX:NO: 6
DATE: 19.03.2015
NC CODE GENERATION USING MASTER CAM LATHE
AIM:
To generate the NC codes for given profile operation in master CAM lathe
COMMANDS USED:
Lines, Fillet, Tool Path , operation, job Setup.
PROCEDURE:
1. Select Create ->Rectangle ->I point ->Enter width and height in the dialog box which
appears.
2. Select Main menu ->Tool Path ->Contour or Pocketing ->Chain ->Select the required
items and click on OK.
3. select Tool Path dialog box give the tool diameter and depth.
4. Select .fob Setup ->Enter x, y, z values and click on OK.
CODE GENERATION :
1. Select Operation ->Regen Path -> Verify (iso) -> Post.
2. To get the code select Save.
RESULT:
Thus for given profile the NC code has been generated using Master CAM Mill.
5
30
