Fundamentals; Overview - HEIDENHAIN TNC 640 User Manual

5
5.1

Fundamentals

Overview

The TNC offers the following cycles for machining pockets, studs
and slots:
Soft key Cycle
251 RECTANGULAR POCKET
Roughing/finishing cycle with
selection of machining opera-
tion and helical plunging
252 CIRCULAR POCKET
Roughing/finishing cycle with
selection of machining opera-
tion and helical plunging
253 SLOT MILLING
Roughing/finishing cycle with
selection of machining opera-
tion and reciprocal plunging
254 CIRCULAR SLOT
Roughing/finishing cycle with
selection of machining opera-
tion and reciprocal plunging
256 RECTANGULAR STUD
Roughing/finishing cycle with
stepover, if multiple passes are
required
257 CIRCULAR STUD
Roughing/finishing cycle with
stepover, if multiple passes are
required
233 FACE MILLING
Machining the face with up to
3 limits
158
Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling | Fundamentals
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HEIDENHAIN | User's manual for cycle programming | 10/2017