Siemens SINUMERIK 840Di sl Programming Manual page 10

Table of contents
7.5 Feedrate for positioning axes/spindles (FA, FPR, FPRAON, FPRAOF) .................................. 290
7.6 Percentage feedrate override (OVR, OVRA) ............................................................................ 293
7.7 Feedrate with handwheel override (FD, FDA) .......................................................................... 294
7.8 Percentage acceleration override (ACC option) ....................................................................... 298
7.9 Feedrate optimization for curved path sections (CFTCP, CFC, CFIN)..................................... 300
7.10 Spindle speed (S), direction of spindle rotation (M3, M4, M5).................................................. 302
7.11 Constant cutting rate (G96/G961/G962, G97/G971/G972, G973, LIMS, SCC[AX])................. 306
7.12 Constant grinding wheel peripheral speed (GWPSON, GWPSOF).......................................... 312
7.13 Programmable spindle speed limitation (G25, G26)................................................................. 313
7.14 Multiple feedrate values in one block (F.., ST=.., SR=.., FMA.., STA=.., SRA=..).................... 314
7.15 Blockwise feed (FB...) ............................................................................................................... 317
8 Tool offsets ............................................................................................................................................ 319
8.1 General notes............................................................................................................................ 319
8.1.1 Tool offsets................................................................................................................................ 319
8.1.2 Tool offsets in the control's offset memory ............................................................................... 320
8.2 List of tool types ........................................................................................................................ 324
8.3 Tool selection/tool call T............................................................................................................ 331
8.3.1 Tool change with T commands (turning)................................................................................... 331
8.3.2 Tool change with M06 (mill) ...................................................................................................... 332
8.4 Tool offset D.............................................................................................................................. 335
8.5 Tool selection T with tool management .................................................................................... 337
8.5.1 Turning machine with circular magazine (T selection).............................................................. 339
8.5.2 Milling machine with chain magazine (T selection)................................................................... 340
8.6 Tool offset call D with tool management ................................................................................... 341
8.6.1 Turning machine with circular magazine (D call) ...................................................................... 341
8.6.2 Milling machine with chain magazine (D call) ........................................................................... 342
8.7 Activating the active tool offset immediately ............................................................................. 343
8.8 Tool radius compensation (G40, G41, G42) ............................................................................. 343
8.9 Contour approach and retraction (NORM, KONT, KONTC, KONTT)....................................... 355
8.10 Compensation at the outside corners (G450, G451) ................................................................ 362
8.11 Smooth approach and retraction............................................................................................... 367
8.11.1 Approach and retraction (G140 to G143, G147, G148, G247, G248, G347, G348, G340,
G341) ........................................................................................................................................ 367
8.11.2 Approach and retraction with enhanced retraction strategies (G460, G461, G462)................. 378
8.12 Collision monitoring (CDON, CDOF, CDOF2) .......................................................................... 382
8.13 2D tool compensation (CUT2D, CUT2DF)................................................................................ 386
8.14 Tool length compensation for orientable toolholders (TCARR, TCOABS, TCOFR)................. 389
8.15 Grinding-specific tool monitoring in parts programs (TMON, TMOF) ....................................... 392
8.16 Additive offsets.......................................................................................................................... 394
8.16.1 Select offsets (via DL numbers)................................................................................................ 395
8.16.2 Specify wear and setup values ($TC_SCPxy[t,d], $TC_ECPxy[t,d]) ........................................ 396
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Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals