Siemens Sinumerik 840D sl Programming Manual page 8

Table of contents
5 Tool change................................................................................................................................................51
5.1 Tool change without tool management..................................................................................51
5.1.1 Tool change with T command................................................................................................51
5.1.2 Tool change with M6..............................................................................................................52
5.2 Tool change with tool management (option)..........................................................................53
5.2.1 Tool change with T command with active tool management (option)....................................54
5.2.2 Tool change with M6 with active tool management (option)..................................................56
5.3 Behavior with faulty T programming.......................................................................................57
6 Tool offsets.................................................................................................................................................59
6.1 General information about the tool offsets.............................................................................59
6.2 Tool length compensation......................................................................................................59
6.3 Tool radius compensation......................................................................................................60
6.4 Tool compensation memory...................................................................................................61
6.5 Tool types...............................................................................................................................63
6.5.1 General information about the tool types...............................................................................63
6.5.2 Milling tools............................................................................................................................63
6.5.3 Drills.......................................................................................................................................65
6.5.4 Grinding tools.........................................................................................................................66
6.5.5 Turning tools..........................................................................................................................67
6.5.6 Special tools...........................................................................................................................69
6.5.7 Chaining rule..........................................................................................................................70
6.6 Tool offset call (D)..................................................................................................................70
6.7 Change in the tool offset data................................................................................................72
6.8 Programmable tool offset (TOFFL, TOFF, TOFFR)...............................................................73
7 Spindle motion............................................................................................................................................79
7.1 Spindle speed (S), spindle direction of rotation (M3, M4, M5)...............................................79
7.2 Cutting rate (SVC)..................................................................................................................82
7.3 Constant cutting rate (G96/G961/G962, G97/G971/G972, G973, LIMS, SCC).....................88
7.4 Constant grinding wheel peripheral speed (GWPSON, GWPSOF).......................................93
7.5 Programmable spindle speed limitation (G25, G26)..............................................................95
8 Feed control................................................................................................................................................97
8.1 Feedrate (G93, G94, G95, F, FGROUP, FL, FGREF)...........................................................97
8.2 Traverse positioning axes (POS, POSA, POSP, FA, WAITP, WAITMC).............................105
8.3 Position-controlled spindle mode (SPCON, SPCOF)...........................................................108
8.4 Positioning spindles (SPOS, SPOSA, M19, M70, WAITS)..................................................109
8.5 Feedrate for positioning axes / spindles (FA, FPR, FPRAON, FPRAOF)............................114
8.6 Programmable feedrate override (OVR, OVRRAP, OVRA).................................................117
8.7 Programmable acceleration override (ACC) (option)...........................................................118
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Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
Fundamentals