Siemens SINUMERIK 840DE Programming Manual page 12

Table of contents
7.7 Feedrate for positioning axes/spindles (FA, FPR, FPRAON, FPRAOF) ................................. 7-23
7.8 Percentage feedrate override (OVR, OVRA) ........................................................................... 7-25
7.9 Feedrate with handwheel override (FD, FDA) ......................................................................... 7-26
7.10 Percentage acceleration override (ACC option) ...................................................................... 7-30
7.11 Feedrate optimization for curved path sections (CFTCP, CFC, CFIN).................................... 7-32
7.12 Spindle speed (S), direction of spindle rotation (M3, M4, M5)................................................. 7-34
7.13 Constant cutting rate (G96, G961, G97, G971, LIMS)............................................................. 7-37
7.14 Constant grinding wheel peripheral speed (GWPSON, GWPSOF)......................................... 7-41
7.15 Programmable spindle speed limitation (G25, G26)................................................................ 7-42
7.16 Multiple feedrate values in one block (F.., ST=.., SR=.., FMA.., STA=.., SRA=..)................... 7-43
7.17 Blockwise feed (FB...) .............................................................................................................. 7-45
8 Tool offsets ............................................................................................................................................. 8-1
8.1 General notes............................................................................................................................. 8-1
8.1.1 Tool offsets................................................................................................................................. 8-1
8.1.2 Tool offsets in the control's offset memory ................................................................................ 8-2
8.2 List of tool types ......................................................................................................................... 8-5
8.3 Tool selection/tool call T........................................................................................................... 8-12
8.3.1 Tool change with T commands (turning).................................................................................. 8-12
8.3.2 Tool change with M06 (mill) ..................................................................................................... 8-12
8.4 Tool offset D............................................................................................................................. 8-15
8.5 Tool selection T with tool management ................................................................................... 8-17
8.5.1 Turning machine with circular magazine (T selection)............................................................. 8-18
8.5.2 Milling machine with chain magazine (T selection).................................................................. 8-19
8.6 Tool offset call D with tool management .................................................................................. 8-20
8.6.1 Turning machine with circular magazine (D call) ..................................................................... 8-20
8.6.2 Milling machine with chain magazine (D call) .......................................................................... 8-21
8.7 Activating the active tool offset immediately ............................................................................ 8-22
8.8 Tool radius compensation (G40, G41, G42) ............................................................................ 8-23
8.9 Contour approach and retraction (NORM, KONT, KONTC, KONTT)...................................... 8-32
8.10 Compensation at the outside corners (G450, G451) ............................................................... 8-38
8.11 Smooth approach and retraction.............................................................................................. 8-42
8.11.1 Approach and retraction (G140 to G143, G147, G148, G247, G248, G347, G348, G340, G341)
................................................................................................................................................. 8-42
8.11.2 Approach and retraction with enhanced retraction strategies (G460, G461, G462)................ 8-54
8.12 Collision monitoring (CDON, CDOF, CDOF2) ......................................................................... 8-58
8.13 2 ½ D tool offset (CUT2D, CUT2DF) ....................................................................................... 8-61
8.14 Tool length compensation for orientable toolholders (TCARR, TCOABS, TCOFR)................ 8-63
8.15 Grinding-specific tool monitoring in parts programs (TMON, TMOF) ...................................... 8-66
8.16 Additive offsets......................................................................................................................... 8-68
8.16.1 Select offsets (via DL numbers)............................................................................................... 8-68
8.16.2 Specify wear and setup values ($TC_SCPxy[t,d], $TC_ECPxy[t,d]) ....................................... 8-69
8.16.3 Delete additive offsets (DELDL)............................................................................................... 8-70
8.17 Special handling of tool offsets ................................................................................................ 8-71
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Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Fundamentals