Siemens SINUMERIK 840C Installation Instructions Manual page 144

5 Machine Data Dialog (MDD – as from SW 3)
5.2.4 Measuring system adaptation for axes and spindles (as from SW 4)
Motor measuring Information required:
system example
Gearbox factor:
Linear measuring Information required:
system example
Rotary axis example Information required
Note Additional information about measuring system adaptation is given in machine
data NC MD 3640 (Pulses var. incremental weighting) and NC MD 3680 (Traver-
sing path var. incremental weighting).
5–16
r x l
m +
4 x p x f
r1 (leadscrew)
r +
r2 (motor)
Leadscrew pitch:
Pulses per revolution:
Pulse multiplication:
r x g
m +
4 x f
Gearbox factor:
(8direct measuring system)
Grating constant:
Pulse multiplication:
r x 360 degrees
m +
4 x p x f
Gearbox factor:
(depends on whether direct or indirect measuring
sysem is used)
Pulses per revolution:
Pulse multiplication:
Siemens AG 2001 All Rights Reserved 6FC5197–jAA50
09.95
l
p
f
r + r1
+ 1
r2
g
f
r
p
f
SINUMERIK 840C (IA)