Siemens SINUMERIK 840D sl Programming Manual page 8

Table of contents
2.4.2 Tool change with deactivated tool management....................................................................64
2.4.2.1 Tool change with deactivated tool management with T number ............................................64
2.4.2.2 Tool change with deactivated tool management with M6 ......................................................64
2.4.3 Behavior with faulty T programming.......................................................................................66
2.5 Tool offsets.............................................................................................................................67
2.5.1 Programmed contour and tool path........................................................................................67
2.5.2 Tool length compensation ......................................................................................................67
2.5.3 Tool radius compensation ......................................................................................................68
2.5.4 Tool compensation memory...................................................................................................69
2.5.5 Tool types...............................................................................................................................70
2.5.5.1 Tool type number and tool groups .........................................................................................70
2.5.5.2 Milling tools ............................................................................................................................71
2.5.5.3 Drills .......................................................................................................................................73
2.5.5.4 Grinding tools .........................................................................................................................74
2.5.5.5 Turning tools ..........................................................................................................................76
2.5.5.6 Special tools...........................................................................................................................78
2.5.6 Activating / deactivating tool offsets (D, D0): .........................................................................80
2.5.7 Suppressing tool offsets (SUPD) ...........................................................................................82
2.5.8 Programmable tool offset (TOFFL, TOFF, TOFFR, TOFFLR):..............................................84
2.6 Spindle motion .......................................................................................................................89
2.6.1 Spindle speed (S), spindle direction of rotation (M3, M4, M5) ...............................................89
2.6.2 Tool cutting speed (SVC) .......................................................................................................92
2.6.3 Constant cutting rate (G96/G961/G962, G97/G971/G972, G973, LIMS, SCC) .....................98
2.6.4 Switching constant grinding wheel peripheral speed (GWPSON, GWPSOF) on/off: ..........103
2.6.5 Programmable spindle speed limitation (G25, G26) ............................................................104
2.7 Feed control .........................................................................................................................105
2.7.1 Feedrate (G93, G94, G95, F, FGROUP, FL, FGREF) .........................................................105
2.7.2 Traverse positioning axes (POS, POSA, POSP, FA, WAITP, WAITMC).............................113
2.7.3 Position-controlled spindle mode (SPCON, SPCOF)...........................................................116
2.7.4 Positioning spindles (SPOS, SPOSA, M19, M70, WAITS) ..................................................117
2.7.5 Feedrate for positioning axes / spindles (FA, FPR, FPRAON, FPRAOF)............................122
2.7.6 Programmable feedrate override (OVR, OVRRAP, OVRA).................................................125
2.7.7 Programmable acceleration compensation (ACC)...............................................................125
2.7.8 Feedrate with handwheel override (FD, FDA)......................................................................127
2.7.9 Feedrate optimization for curved path sections (CFTCP, CFC, CFIN) ................................131
2.7.10 Several feedrate values in one block (F, ST, SR, FMA, STA, SRA) ....................................133
2.7.11 Non-modal feedrate (FB) .....................................................................................................136
2.7.12 Tooth feedrate (G95 FZ) ......................................................................................................137
2.8 Geometry settings ................................................................................................................143
2.8.1 Settable zero offset (G54 to G57, G505 to G599, G53, G500, SUPA, G153) .....................143
2.8.2 Settable work offset (G54 to G57, G505 to G599, G53, G500, SUPA, G153): Further
information ...........................................................................................................................144
2.8.3 Selection of the working plane (G17/G18/G19) ...................................................................145
2.8.4 Dimensions ..........................................................................................................................148
2.8.4.1 Absolute dimensions (G90, AC)...........................................................................................149
2.8.4.2 Incremental dimensions (G91, IC) .......................................................................................151
2.8.4.3 Absolute and incremental dimensions for turning and milling (G90/G91) ............................155
2.8.4.4 Absolute dimensions for rotary axes (DC, ACP, ACN) ........................................................156
2.8.4.5 Metric/inch dimension system (G70/G71, G700/G710) .......................................................158
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Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
NC programming