HELICAL CUTTING USING FOR THREAD
1. 1 5/8 inch w 16 (pitch)
2. Pre drill hole 39.7 mm
3. Example program
Before command spindle you need
S1000 M03; ( can ask tooling company best for working material )
N10 X100. Y 17.65 (CENTER OF THREAD COORDINATE)
N20 Z 233.5 (START POINT FOR CUTTING THREAD)
N30 G1 G42 Y38.28 D50 F50 (GO TO THREAD END)
N40 G2 Z231.913 J-20.63 F100 (ONE CIRCUIT OF THREAD)
N50 G0 G40 X100. Y17.65 (GO OUT TO THREAD CENTER)
N60 Z 300.
.
.
.
FOR REFERENCE
Z 233.5-Z231.913= PITCH---1.5875 mm
Y38.28- Y17.65 =J 20.63
When using a thread mill, for example 1.000 to 2.000 inches for O.D. pattern, use the same start point with a different "J" direction.
|