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1 fundamentals, Overview, Fundamentals – HEIDENHAIN TNC 640 (34059x-05) Cycle programming User Manual

Page 104

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Fixed Cycles: Tapping / Thread Milling

4.1

Fundamentals

4

104

TNC 640 | User's Manual Cycle Programming | 1/2015

4.1

Fundamentals

Overview

The TNC offers the following 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

105

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

108

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

111

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

117

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

120

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

124

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

128

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

132