HEIDENHAIN TNC 320 User Manual page 94

4.1 Fundamentals
Overview
The TNC offers 8 cycles for all types of threading operations:
Cycle
206 TAPPING NEW
With a floating tap holder, with automatic
pre-positioning, 2nd set-up clearance
207 RIGID TAPPING NEW
Without a floating tap holder, with
automatic pre-positioning, 2nd setup
clearance
209 TAPPING W/ CHIP BREAKING
Without a floating tap holder, with
automatic pre-positioning, 2nd set-up
clearance, chip breaking
262 THREAD MILLING
Cycle for milling a thread in pre-drilled
material
263 THREAD MILLING/CNTSNKG
Cycle for milling a thread in pre-drilled
material and machining a countersunk
chamfer
264 THREAD DRILLING/MILLING
Cycle for drilling into solid material with
subsequent milling of the thread with a
tool
265 HEL.THREAD DRILLING/MILLING
Cycle for milling the thread into solid
material
267 OUTSIDE THREAD MILLING
Cycle for milling an external thread and
machining a countersunk chamfer
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Soft key Page
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Page 116
Fixed Cycles: Tapping / Thread Milling