CNC PROGRAMS IN TURNING :: M SCHEME

EX. 1

BILLET : 32 mm dia. rod

O1101
G21 G98
G28 U0 W0
T0101
M03 S1200
G00 X32 Z2
G71 U0.5 R1
G71 P10 Q20 U0 W0 F20
N10 G01 X0
G01 Z0
G03 X16 Z-8 R8
G01 X16 Z-16
G02 X24 Z-20 R4
G01 X24 Z-35
G01 X30
G01 X30 Z-43
N20 G01 X34
G28 U0 W0
M05
M06 T02
M03 S500
G00 X28
;(assume a grooving tool of 2 mm width)
G00 Z-33
G75 R1
G75 X20 W-2 P500 Q250 F50
G28 U0 W0
M05
M30
*********************************************************************************
EX. 2

G21 G98
G28 U0 W0
T0101
M03 S1200
G00 X32 Z2
G71 U.5 R1
G71 P10 Q20 U0 W0 F20
N10 G01 X0
G01 Z0
G03 X16 Z-8 R8
G01 X16 Z-16
G02 X24 Z-20 R4
G01 X24 Z-30
G01 X30 Z-40
G01 Z-48
G01 X32 Z-48
N20 G01 X34 Z-48
G28 U0 W0M05
M30

*********************************************************************************
EX. 3

O1103
G21 G98
G28 U0 W0
T0101
M03 S1200
G00 X32 Z2
G71 U0.5 R1
G71 P10 Q20 U0 W0 F20
N10 G01 X10
G01 Z0
G01 X16 Z-3
G01 X16 Z-25
G01 X24 Z-25
G01 X24 Z-38
G01 X30 Z-38
G01 X30 Z-48
N20 G01 X34
G28 U0 W0
M05
M06 T02
M03 S250
G00 X28
G00 Z-22
G75 R1
G75 X10 W-3 P500 Q250 F50
G28 U0 W0
M05
M06 T03
M03 S150
G00 X16 Z5
G76 P041560 Q150 R0.1
G76 X13.546 Z-20 P1227 Q200 F2
G28 U0 W0
M05
M30