Siemens SIMODRIVE 6SN11 Series Planning Manual page 533

11.00
09.00
Cantilever force
Permissible cantilever force for a standard design.
shaft height 132
F [N]
QAS
5000
4000
3000
2000
1 2
DE bearing: 6310
NDE bearing: 6210
F
Estimated lifetime for other operating conditions (F
100
L =
htot
q
1
+
L
h1
Fig. 3-61 Cantilever force diagram shaft height 132 for standard bearings
 Siemens AG 2000 All rights reserved
SIMODRIVE Planning Guide Motors (PJM) – 11.00 Edition
3 4 5
F F
1QAS QAS 2QAS
F
3QAS
x
1.5x
q q
2 3
+
L L
h2 h3
6SN1197–0AA20
1PH7 AC Main Spindle Motors
3.2 Cantilever/axial force diagrams
8 @ 10
3
6 7
F = max. 2000 N
1QAS
F = 1.1 F
2QAS QAS
F = max. 2500 N
3QAS
x = 55 mm
; n)
QAS
q = Time for which this is effective
[%] under constant conditions
L 8000 h
h1
L 12000 h
h2
L 16000 h
h3
n [RPM]
1PH7
1PH7/3-105