HEIDENHAIN TNC 640 User Manual page 32

9 Fixed Cycles: Contour Pocket with Contour Formula...............................................................275
9.1 SL cycles with complex contour formula........................................................................................276
Fundamentals....................................................................................................................................... 276
Selecting a program with contour definitions......................................................................................278
Defining contour descriptions.............................................................................................................. 278
Entering a complex contour formula................................................................................................... 279
Superimposed contours....................................................................................................................... 280
Contour machining with SL Cycles......................................................................................................282
Example: Roughing and finishing superimposed contours with the contour formula..........................283
9.2 SL cycles with simple contour formula...........................................................................................286
Fundamentals....................................................................................................................................... 286
Entering a simple contour formula...................................................................................................... 288
Contour machining with SL Cycles......................................................................................................288
32
HEIDENHAIN | User's manual for cycle programming | 10/2017
Contents