HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 12)

Contents
Contents VIII
8.5 Cycles for Machining Hole Patterns ..... 186
CIRCULAR PATTERN (Cycle 220) ..... 187
LINEAR PATTERN (Cycle 221) ..... 188
Example: Circular hole patterns ..... 191
8.6 SL Cycles Group I ..... 191
CONTOUR GEOMETRY (Cycle G37) ..... 192
PILOT DRILLING (Cycle G56) ..... 193
ROUGH-OUT (Cycle G57) ..... 194
CONTOUR MILLING (Cycle G58/G59) ..... 196
8.7 SL Cycles Group II (not TNC 410) ..... 197
CONTOUR GEOMETRY (Cycle G37) ..... 199
Overlapping contours ..... 199
CONTOUR DATA (Cycle G120) ..... 201
PILOT DRILLING (Cycle G121) ..... 202
ROUGH-OUT (Cycle G122) ..... 203
FLOOR FINISHING (Cycle G123) ..... 204
SIDE FINISHING (Cycle G124) ..... 205
CONTOUR TRAIN (Cycle G125) ..... 206
CYLINDER SURFACE (Cycle G127) ..... 208
CYLINDER SURFACE slot milling (Cycle G128, only in TNC 426, TNC 430 with
NC software 280 474-xx) ..... 210
Example: Pilot drilling, roughing-out and finishing overlapping contours ..... 212
Example: Cylinder surface ..... 214
Example: Contour train ..... 215
8.8 Cycles for Face Milling ..... 216
RUN DIGITIZED DATA (Cycle G60, not TNC 410) ..... 216
MULTIPASS MILLING (Cycle G230) ..... 218
RULED SURFACE (Cycle 231) ..... 220
Example: Multipass milling ..... 222
Cinhalt.pm6 29.06.2006, 08:05 8