HEIDENHAIN CNC PILOT 640 User Manual page 27

Contents
Polygon on front/rear face G307..........................................................................................................342
Linear slot on lateral surface G311...................................................................................................... 342
Circular slot on lateral surface G312/G313.......................................................................................... 343
Full circle on lateral surface G314........................................................................................................343
Rectangle, surface G315......................................................................................................................344
Eccentric polygon on lateral surface G317.......................................................................................... 344
4.19 Thread cycles...................................................................................................................................... 345
Overview of thread cycles................................................................................................................... 345
Handwheel superimposition................................................................................................................ 345
Parameter V: Type of infeed................................................................................................................ 346
Universal tapping cycle G31................................................................................................................ 347
Single thread cycle G32.......................................................................................................................352
Thread single path G33........................................................................................................................354
Metric ISO thread G35........................................................................................................................ 356
Tapered API thread G352.....................................................................................................................357
Contour thread G38............................................................................................................................. 359
4.20 Parting cycle....................................................................................................................................... 360
Cut-off cycle G859............................................................................................................................... 360
4.21 Undercut cycles.................................................................................................................................. 361
Undercut cycle G85............................................................................................................................. 361
Undercut DIN 509 E with cylinder machining G851............................................................................363
Undercut DIN 509 F with cylinder machining G852............................................................................365
Undercut DIN 76 with cylinder machining G853................................................................................. 367
Undercut type U G856........................................................................................................................ 369
Undercut type H G857........................................................................................................................ 370
Undercut type K G858.........................................................................................................................370
4.22 Drilling cycles......................................................................................................................................371
Overview of drilling and boring cycles and contour reference............................................................ 371
Tapping G36 - single path................................................................................................................... 372
Simple drilling G71...............................................................................................................................373
Boring/cnt-sink G72.............................................................................................................................. 375
Tapping G73......................................................................................................................................... 376
Deep boring G74.................................................................................................................................. 378
Bore milling G75.................................................................................................................................. 381
Linear pattern on front face G743........................................................................................................383
Circular pattern on front face G745..................................................................................................... 385
Linear pattern on lateral surface G744.................................................................................................387
Circular pattern on lateral surface G746...............................................................................................389
Thread milling axial G799.....................................................................................................................391
4.23 C-axis commands...............................................................................................................................392
Reference diameter G120.................................................................................................................... 392
Datum shift in C axis G152..................................................................................................................392
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
27