Siemens SINUMERIK Series Function Manual

Contents
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
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

Siemens SINUMERIK Series Specifications

General

Axes Control	Up to 31 axes
Category	Control Unit
Manufacturer	Siemens
Series	SINUMERIK
Control Type	CNC
Communication Interfaces	Ethernet, USB
Operating Temperature	0°C to 45°C
Protection Class	IP20
Power Supply	24V DC
Display	Color TFT LCD