HEIDENHAIN CNC PILOT 640 User Manual page 24

4 DIN/ISO programming................................................................................................................. 231
4.1 Programming in ISO Mode............................................................................................................... 232
Geometry and machining commands..................................................................................................232
Contour programming.......................................................................................................................... 234
NC blocks of the DIN/ISO program..................................................................................................... 236
Creating, editing and deleting NC blocks............................................................................................ 237
Address parameters............................................................................................................................. 238
Machining cycles.................................................................................................................................. 240
Subprograms and expert programs..................................................................................................... 241
NC program interpretation................................................................................................................... 241
DIN/ISO programs of predecessor controls........................................................................................ 242
Geometry menu item.......................................................................................................................... 244
Machining menu item.......................................................................................................................... 244
4.2 Definition of workpiece blank.......................................................................................................... 245
Chuck part bar or tube G20-Geo..........................................................................................................245
Casting G21-Geo.................................................................................................................................. 245
4.3 Basic elements of turning contour...................................................................................................246
Starting point of turning contour G0-Geo........................................................................................... 246
Machining attributes for form elements.............................................................................................. 246
Line segment in a contour G1-Geo.................................................................................................... 247
Circular arc of turning contour G2-/G3-Geo......................................................................................... 249
Circular arc of turning contour G12-/G13-Geo......................................................................................251
4.4 Form elements of turning contour...................................................................................................253
Recess (standard) G22-Geo................................................................................................................ 253
Recess (general) G23-Geo.................................................................................................................. 255
Thread with undercut G24-Geo...........................................................................................................257
Undercut G25-Geo.............................................................................................................................. 258
Thread (standard) G34-Geo................................................................................................................. 261
Thread (general) G37-Geo................................................................................................................... 262
Bore hole (centric) G49-Geo............................................................................................................... 265
4.5 Attributes for contour description....................................................................................................266
Feed reduction G38-Geo......................................................................................................................266
Attributes for superimposed elements G39-Geo.................................................................................267
Separation point G44........................................................................................................................... 268
Oversize G52-Geo................................................................................................................................ 268
Feed per revolution G95-Geo...............................................................................................................269
Additive correction G149-Geo.............................................................................................................. 270
4.6 C-axis contours - fundamentals.......................................................................................................271
Position of milling contours................................................................................................................. 271
Circular pattern with circular slots....................................................................................................... 274
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HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
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