HEIDENHAIN TNC 320 (77185x-01) Cycle programming - Manual (Page 224)

Fixed Cycles: Multipass Milling
10.1 Fundamentals
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TNC 320 | User's Manual Cycle Programming | 3/2014
10.1 Fundamentals
Overview
The TNC offers four cycles for machining surfaces with the
following characteristics:
Flat, rectangular surfaces
Flat, oblique-angled surfaces
Surfaces that are inclined in any way
Twisted surfaces
Cycle Soft key Page Group of
cycles
230 MULTIPASS
MILLING
For flat rectangular
surfaces
225 SPECIAL
CYCLES /
OLD
CYCLES
231 RULED SURFACE
For oblique, inclined or
twisted surfaces 227 SPECIAL
CYCLES /
OLD
CYCLES
232 FACE MILLING
For level rectangular
surfaces, with indicated
oversizes and multiple
infeeds 231 SPECIAL
CYCLES
233 FACE MILLING
For level rectangular
surfaces, if necessary
with lateral limitations,
with indicated
oversizes and multiple
infeeds 236 POCKETS/
STUDS/
SLOTS