Siemens SINUMERIK Series Function Manual page 11

3.12.3.6 Signals to axis/spindle ...............................................................................................................221
3.12.3.7 Signals from axis/spindle ...........................................................................................................221
3.12.4 System variable..........................................................................................................................222
3.12.4.1 System variable..........................................................................................................................222
3.12.5 OPI variable ...............................................................................................................................222
3.12.5.1 OPI variable ...............................................................................................................................222
4 K3: Compensations ............................................................................................................................... 223
4.1 Introduction ................................................................................................................................223
4.2 Temperature compensation .......................................................................................................224
4.2.1 Description of functions..............................................................................................................224
4.2.2 Commissioning...........................................................................................................................227
4.2.3 Example .....................................................................................................................................229
4.2.3.1 Commissioning the temperature compensation for the Z axis of a lathe ..................................229
4.3 Backlash compensation .............................................................................................................231
4.3.1 Mechanical backlash compensation ..........................................................................................231
4.3.1.1 Description of functions..............................................................................................................231
4.3.1.2 Commissioning...........................................................................................................................233
4.3.2 Dynamic backlash compensation ..............................................................................................234
4.3.2.1 Description of functions..............................................................................................................234
4.3.2.2 Commissioning...........................................................................................................................235
4.4 Interpolatory compensation........................................................................................................235
4.4.1 General properties .....................................................................................................................235
4.4.2 Compensation of leadscrew errors and measuring system errors ............................................238
4.4.2.1 Measuring system error compensation (MSEC)........................................................................238
4.4.2.2 Commissioning...........................................................................................................................239
4.4.2.3 Example .....................................................................................................................................242
4.4.3 Compensation of sag and angularity errors...............................................................................243
4.4.3.1 Description of functions..............................................................................................................243
4.4.3.2 Commissioning...........................................................................................................................247
4.4.3.3 Examples ...................................................................................................................................251
4.4.4 Direction-dependent leadscrew error compensation .................................................................259
4.4.4.1 Description of functions..............................................................................................................259
4.4.4.2 Commissioning...........................................................................................................................260
4.4.4.3 Example .....................................................................................................................................264
4.4.5 Extension of the sag compensation with NCU link - only 840D sl .............................................267
4.4.6 Special features of interpolatory compensation.........................................................................277
4.5 Dynamic feedforward control (following error compensation) ...................................................278
4.5.1 General properties .....................................................................................................................278
4.5.2 Speed feedforward control.........................................................................................................280
4.5.3 Torque feedforward control........................................................................................................282
4.5.4 Dynamic response adaptation ...................................................................................................283
4.5.5 Forward feed control for command- and PLC axes ...................................................................284
4.5.6 Secondary conditions.................................................................................................................286
4.6 Friction compensation (quadrant error compensation) ..............................................................287
4.6.1 General function description ......................................................................................................287
4.6.2 Supplementary conditions..........................................................................................................288
4.6.3 Friction compensation with a constant compensation value .....................................................288
4.6.3.1 Function activation .....................................................................................................................288
4.6.3.2 commissioning ...........................................................................................................................289
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
Contents
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