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1 fundamentals, Overview, Fundamentals – HEIDENHAIN TNC 620 (81760x-01) Cycle programming User Manual

Page 96

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Fixed Cycles: Tapping / Thread Milling

4.1

Fundamentals

4

96

TNC 620 | User's Manual Cycle Programming | 3/2014

4.1

Fundamentals

Overview

The TNC offers 8 cycles for all types of threading operations:

Cycle

Soft key

Page

206 TAPPING NEW
With a floating tap holder, with
automatic pre-positioning, 2nd set-up
clearance

97

207 TAPPING NEW
Without a floating tap holder, with
automatic pre-positioning, 2nd set-up
clearance

100

209 TAPPING WITH CHIP BREAKING
Without a floating tap holder, with
automatic pre-positioning, 2nd set-up
clearance, chip breaking

103

262 THREAD MILLING
Cycle for milling a thread in pre-drilled
material

109

263 THREAD MILLING/
COUNTERSINKING
Cycle for milling a thread in pre-drilled
material and machining a countersunk
chamfer

113

264 THREAD DRILLING/MILLING
Cycle for drilling into solid material
with subsequent milling of the thread
with a tool

117

265 HELICAL THREAD DRILLING/
MILLING
Cycle for milling the thread into solid
material

121

267 OUTSIDE THREAD MILLING
Cycle for milling an external thread
and machining a countersunk chamfer

125