![]() N80- Spindle OFF, coolant OFF, main prog. N70- Rapid action command, where X50 and Z2 N60- Threading cycle command, X45 is end diameter, tool threading upto -55 in Z axis, P thread depth 1.227mm, depth of finish cut is 0.2 mm, R taper thread parameter is 10.5, F is pitch is 2. ![]() Second pair of digits are number of turns (or 'leads') for pull-out as the tool nears the end of the stroke. First pair is number of passes final diameter. In the first G76 line: 'P' uses 6 digits. N50- Threading cycle command, P01 - no of finish path On most machines (lathes, typically) the G76 is a compound infeed angle threading cycle, not a boring cycle. N40- Rapid action command, where X50 and Z2 N20- Spindle ON anti-clockwise ( for RH thread), constant speed command, speed is 1000 rpm N10- Tool change command, select tool no.
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