HEIDENHAIN TNC 426 (280 476) - Manual (Page 337)

310 8 Programming: Cycles
8.7 Cy
cles f
o
r multipass milling
8.7 Cycles for multipass milling
Overview
The TNC offers three cycles for machining the following surface types:
n Created by digitizing or with a CAD/CAM system
n Flat, rectangular surfaces
n Flat, oblique-angled surfaces
n Surfaces that are inclined in any way
n
Twisted surfaces
Cycle Soft key
30 RUN DIGITIZED DATA
For multipass milling of digitized surface data in
several infeeds
230 MULTIPASS MILLING
For flat rectangular surfaces
231 RULED SURFACE
For oblique, inclined or twisted surfaces