beautypg.com

1 fundamentals, Overview, Fundamentals – HEIDENHAIN TNC 620 (81760x-02) Cycle programming User Manual

Page 98

background image

Fixed Cycles: Tapping / Thread Milling

4.1

Fundamentals

4

98

TNC 620 | User's Manual Cycle Programming | 2/2015

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

99

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

102

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

105

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

111

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

114

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

118

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

122

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

126