Siemens SINUMERIK 840D sl Programming Manual page 10

Table of contents
2.10 Tool radius compensation ....................................................................................................251
2.10.1 Tool radius compensation (G40, G41, G42, OFFN) ............................................................251
2.10.2 Approaching and leaving contour (NORM, KONT, KONTC, KONTT) .................................260
2.10.3 Compensation at the outside corners (G450, G451, DISC).................................................268
2.10.4 Smooth approach and retraction..........................................................................................271
2.10.4.1 Approach and retraction (G140 to G143, G147, G148, G247, G248, G347, G348, G340,
G341, DISR, DISCL, DISRP, FAD, PM, PR) .......................................................................271
2.10.4.2 Approach and retraction with extended retraction strategies (G460, G461, G462) .............282
2.10.5 Activation/deactivation of collision detection ("bottleneck detection") (CDON, CDOF,
CDOF2)................................................................................................................................285
2.10.6 2 1/2 D tool offset (CUT2D, CUT2DD, CUT2DF, CUT2DFD) ..............................................287
2.10.7 Keep tool radius compensation constant (CUTCONON, CUTCONOF)...............................289
2.10.8 Tools with a relevant cutting edge position ..........................................................................291
2.11 Path action ...........................................................................................................................293
2.11.1 Exact stop (G60, G9, G601, G602, G603) ...........................................................................293
2.11.2 Continuous-path mode (G64, G641, G642, G643, G644, G645, ADIS, ADISPOS) ............295
2.12 Coordinate transformations (frames) ...................................................................................305
2.12.1 Frames .................................................................................................................................305
2.12.2 Frame instructions................................................................................................................307
2.12.3 Programmable work offset (TRANS, ATRANS) ...................................................................310
2.12.4 Programmable work offset (G58, G59) ................................................................................314
2.12.5 Programmable rotation (ROT, AROT, RPL).........................................................................316
2.12.6 Programmable frame rotations with solid angles (ROTS, AROTS, CROTS).......................322
2.12.7 Programmable scaling factor (SCALE, ASCALE) ................................................................325
2.12.8 Programmable mirroring (MIRROR, AMIRROR) .................................................................328
2.12.9 Frame generation according to tool orientation (TOFRAME, TOROT, PAROT):.................333
2.12.10 Deselect frame (G53, G153, SUPA, G500) .........................................................................335
2.12.11 Programming: Deselecting overlays axis-specifically (CORROF) .......................................336
2.12.12 Deselecting additive work offsets (DRFROF) ......................................................................339
2.12.13 Grinding-specific work offsets (GFRAME0, GFRAME1 ... GFRAME100)............................340
2.13 Auxiliary function outputs .....................................................................................................342
2.13.1 M functions...........................................................................................................................344
2.14 Supplementary commands ..................................................................................................348
2.14.1 Output messages (MSG) .....................................................................................................348
2.14.2 Writing string in OPI variable (WRTPR) ...............................................................................349
2.14.3 Working area limitation.........................................................................................................351
2.14.3.1 Working area limitation in BCS (G25/G26, WALIMON, WALIMOF) ....................................351
2.14.3.2 Working area limitation in WCS/SZS (WALCS0 ... WALCS10) ...........................................354
2.14.4 Reference point approach (G74)..........................................................................................357
2.14.5 Approaching a fixed point (G75) ..........................................................................................358
2.14.6 Travel to fixed stop (FXS, FXST, FXSW).............................................................................362
2.14.7 Dwell time (G4) ....................................................................................................................367
2.14.8 Internal preprocessing stop..................................................................................................369
2.15 Other information .................................................................................................................370
2.15.1 Axes .....................................................................................................................................370
2.15.1.1 Main axes/Geometry axes ...................................................................................................370
2.15.1.2 Special axes.........................................................................................................................372
2.15.1.3 Main spindle, master spindle................................................................................................372
2.15.1.4 Machine axes .......................................................................................................................372
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Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
NC programming