Examples for G74 canned cycle in cnc machine

Peck drilling operation by using G74 canned cycle:

Coordinate:

P	X COORDINATE	Z COORDINATE
1	62.0	3.0
2	0.0	3.0
3	0.0	20.0

Calculation of excess amount = 0.3*8 = 2.40mm.

That’s why the depth of hole Z = -22.40mm.

Program:

O0003;

N1;

T0000;

G28 X0.0 Z0.0;

T0202;

S750 M04;

G00 X32.0 Z3.0;

G01 X0.0 F0.3;

M07;

G74 R1000;

G74 Z-22.40 Q3000 F0.07;

G00 X32.0;

M05;

M09;

T0000;

G28 X0.0 Z0.0;

M30;

Conclusion:

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