HEIDENHAIN TNC 426 (280 476) Pilot User Manual
Page 48
49
Cycles
for
Machining
Holes
and
Threads
RIGID TAPPING NEW (207) without Floating Tap Holder
Machine and TNC must be prepared by the machine tool
builder to perform rigid tapping!
Rigid tapping is carried out with a controlled spindle!
CYCL DEF: Select Cycle 207 RIGID TAPPING NEW
Set-up clearance: Q200
Depth: thread length = distance between workpiece
surface and end of thread: Q201
Pitch: Q239
The algebraic sign determines the direction of the thread:
Right-hand thread: +
Left-hand thread:
Workpiece surface coordinate: Q203
2nd set-up clearance: Q204
THREAD CUTTING (18)
The machine and TNC must be prepared by the machine
tool builder for THREAD CUTTING!
The spindle speed is synchronized with the tool axis feed
rate!
CYCL DEF: Select cycle 18 THREAD CUTTING
Depth (distance between workpiece surface and end of
thread):
B
Pitch:
C
The algebraic sign:
Right-hand thread: +
Left-hand thread:
Z
X
Q203
Q204
Q200
Q201
Q239