HEIDENHAIN TNC 640 User Manual page 28

6 Fixed Cycles: Pattern Definitions................................................................................................ 205
6.1 Fundamentals..................................................................................................................................... 206
Overview.............................................................................................................................................. 206
6.2 POLAR PATTERN (Cycle 220, DIN/ISO: G220)................................................................................. 207
Cycle run.............................................................................................................................................. 207
Please note while programming:......................................................................................................... 207
Cycle parameters................................................................................................................................. 208
6.3 LINEAR PATTERN (Cycle 221, DIN/ISO: G221)................................................................................ 210
Cycle run.............................................................................................................................................. 210
Please note while programming:......................................................................................................... 210
Cycle parameters................................................................................................................................. 211
6.4 Programming Examples.................................................................................................................... 212
Example: Polar hole patterns............................................................................................................... 212
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HEIDENHAIN | User's manual for cycle programming | 10/2017
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