3 G/M Codes
3 - 29
0-359 without a decimal point)
E : Number of threads per inch; range: 1.0-100.0. This setting shall not
appear when an F setting is given.
Specifications:
Thread pitch F=2 mm
Cutting lead starts S1 = 2 mm,
Cutting lead ends S2 = 2 mm,
Thread depth = 1.4 mm (diameter) formed by two cutting
actions.
Fig 3-19 Tapered Thread Cutting
Note:Tapered thread
a. For the angle between taper plane and Z-axis less than 45°, pitch shall be set
along the Z-axis.
b. For the angle between taper plane and Z-axis more than 45°, pitch shall be
set along the X-axis.
c. For the angle between taper plane and Z-axis equal to 45°, pitch can be set
along either the X-axis or Z-axis.
N10 GO X60.0 Z100.0
N20 M03 S2000
N30 G0 X23.0 Z72.0 (First cut = 1.0/2mm)
N40 G32 X32.000 Z28.000 F2.00 R-4.5
N50 G0 X40.000
N60 Z72.000
N70 G0 X22.6 (Second cut = 0.4/2mm)
N80 G32 X31.6 Z28.0 F2.00 R-4.5
N90 G0 X40.000
N100 Z72.000
N110 M05
X
Z
40
33
2
2
24
30 40
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