G75 Cycle Examples for CNC Lathe

In this article, we write CNC program examples for CNC lathe with G75 grooving cycle. We used G75 for grooving and parting off for different controllers and workpieces.

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G75 Cycle Examples

G75 Grooving Cycle

G75 is a CNC code and used to grooving for CNC lathe machines.

G75 grooving cycle also a very simple cycle, designed to break chips during a rough cut along the X axis used mainly for a grooving operation. The G75 cycle is identical to G74 cycle, except the X axis is replaced with the Z axis.

G75 Cycle Examples

Example – 1

G75 cycle example for grooving - 1
G75 cycle example for grooving – 1
O0075 ;
T0000 (Tool width 4mm.);
G00 X0. Z-100. M07 ;
T0101 S300 M03 ;
G92 S2000 ;
G96 S100 X82 Z-10. ;
G75 R1000 ;
G75 X50. Z-21. P5000 Q4000 F0.15 ;
G00 X82. ;
S0 T00 00 X0. Z-100. M09 ;
M05 ;
M30 ;

Example – 2

CNC Program example with G75 for grooving and parting off - 2
CNC Program example with G75 for grooving and parting off – 2
O3408;
T0505;(Grooving tool)
G50 S2500;
G96 M4 S90;
G0 X46 Z2 M8;
Z-13;
G75 R1;
G75 X30 Z-16 P2000 Q2800 F0.1;
G0 X46 Z-34;
G75 R1;
G75 X30 Z-37 P2000 Q2800 F0.1;
G0 X46 Z-55;
G75 R1;
G75 X30 Z-58 P2000 Q2800 F0.1;
G0 X200 Z200 M9;
T0909; (Parting off tool)
G50 S2500;
G96 M4 S90;
G0 X46 Z2 M8;
Z-71
G75 R1;
G75 X0 P2000 F0.1;
G0 X200 Z200 M9;
M30;

Example – 3

Multi groove example with G75 grooving cycle - 3
Multi groove example with G75 grooving cycle – 3
N10 G50 S500 T0100 ;
G97 S_ M03 ;
G00 X90.0 Z1.0 T0101 ;
X82.0 Z-60.0 ;
G75 R1.0 ;
G75 X60.0 Z-20.0 P3000 Q20000 F0.1 ;
G00 X90.0 ;
X200.0 Z200.0 T0100 ;
M30 ;

Example – 4

G75 Cycle examples - 4
G75 Cycle examples – 4
O3605
G20 (Inch system selection)

N43 G50 S1250 T0300 M42
N44 G96 S375 M03
N45 G00 X1.05 Z-0.175 T0303 M08
N46 G75 X0.5 I0.055 F0.004
N47 G00 X6.0 Z2.0 T0300 M09
N48 M30
%

Example – 5

Single groove with G75 grooving cycle - 5
Single groove with G75 grooving cycle – 5
O0014;
N15 G54
N20 T0101 M04;
N25 G50 S2000;
N30 G96 S150;
N35 G99 F0.3;
N40 G00 X115 Z0 M08;
N45 G01 X–1.6;
N50 G00 X115 Z5;
N55 G71 U3. R1.;
N60 G71 P65 Q110 U0.5 W0.2 F0.2;
N65 G42 G01 X64 Z1;
N70 G01 Z0;
N75 G01 X70 Z–3;
N80 G01 Z–30;
N85 G02 X84 Z–37 R7 F0.2;
N90 G01 X94;
N95 G03 X110 Z–45 R8 F0.2;
N100 G01 Z–50;
N105 G00 X125;
N110 G40;
N115 G28;
N120 T0303;
N125 G00 X64 Z2;
N130 G70 P65 Q110;
N135 G28;
N140 T0505;
N145 G00 X0 Z5;
N150 G74 R1.;
N155 G74 Z–45. Q4000 F0.2;
N160 G28;
N165 T0707;
N170 G41;
N175 G00 X20 Z2;
N180 G90 X24. Z–29. F0.2 R0.;
N185 X27;
N190 X30;
N195 X33;
N200 X36;
N205 G90 X38 Z–19 F0.2;
N210 X41;
N215 X45;
N220 X50;
N225 X52;
N280 G01 X36 Z–19;
N285 G01 Z–29;
N290 X30;
N295 G02 X22 Z–33 R4 F0.1;
N300 G01 Z–40;
N305 X20;
N305 Z4;
N310 G40;
N315 G28;
N320 T0909;
N325 G00 X115 Z–57.5;
N330 G75 R1.;
N331 G75 X90. Z–62. P300 Q2000 F0.2;
N336 G00 X200 Z200;
N341 M05 M09;
N346 M30;

Example – 6

G75 Cycle - Type 1 - Multi groove program example - 6
G75 Cycle – Type 1 – Multi groove program example – 6
O3606
G20 (Inch system selection)

N82 G50 S1250 T0300 M42
N83 G96 S375 M03
N84 G00 X1.05 Z-0.175 T0303 M08
N85 G75 X0.5 Z-0.675 I0.055 K0.125 F0.004 ;
N86 G00 X6.0 Z2.0 T0300 M09
N87 M30
%

Example – 7

G75 Cycle - Type 2 - Multi groove CNC Program example - 7
G75 Cycle – Type 2 – Multi groove CNC Program example – 7
O0013;
N320 G54
N325 T0101 M04;
N330 G50 S2000;
N335 G96 S150;
N340 G99 F0.3;
N345 G00 X92 Z0 M08;
N350 G01 X–2;
N355 G00 X92 Z4;
N360 G71 U3 R1;
N365 G71 P370 Q385 U0.5 W0.2 F0.2;
N370 G42 G00 X80;
N375 G01 Z–75;
N380 G01 X80;
N385 G40;
N390 G28;
N395 T0303;
N400 G50 S3500;
N405 G96 S200 F0.2;
N410 G00 X92 Z4;
N415 G70 P370 Q385 F0.2;
N420 G28;
N425 T0505;
N430 G50 S2500;
N435 G96 S150 F0.2;
N440 G00 X82 Z–24 M04;
N445 G75 R1.;
N446 G75 X60. Z–30. P50 Q2000 F0.2;
N451 G00 Z–44;
N455 G75 R1.;
N456 G75 X60. Z–50. P50 Q2000 F0.2;
N457 G00 Z–64;
N460 G75 R1.;
N465 G75 X60. Z–70. P50 Q2000 F0.2;
N486 G28 M09;
N491 M05;
N496 M30;

 


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