HEIDENHAIN TNC 310 (286 140) Pilot - Manual (Page 37)

3 7
Drilling Cycles
RIGID TAPPING (17)
• Machine and TNC must be prepared by the machine tool
builder to perform rigid tapping.
• In rigid tapping, the spindle speed is synchronized with the
tool axis feed rate.
CYCL DEF: Select Cycle 17 RIGID TAPPING
Set-up clearance: A
Tapping depth = Distance between workpiece surface and end of
thread: B
Thread pitch: C
The algebraic sign determines the direction of the thread:
• Right-hand thread: +
• Left-hand thread: –