AL S
08.95
AL S/2-11
Siemens AG 1997 All Rights reserved 6SN1197–0AA20
SIMODRIVE 611 (PJ)
We recommend the following motor options:
Improved radial eccentricity (R) and flange accuracy
IP 67 (If gearbox oil is in contact with the motor flange)
Technical data should be taken from the gearbox manufacturers catalogs.
Gearbox engineering/dimensioning
1. Selecting the gearbox size
The following parameters must be taken into account:
Accelerating torque, continuous torque, number of cycles, cycle type, per-
missible input speed, mounting position, torsional play, radial– and axial
forces
The motor and gearbox assignment is made as follows:
M
max, gear
w
M
0(100 K)
<
f
<
i
M
max, gear
Maximum permissible drive–out torque
M
0(100 K)
Motor stall torque
i
Ratio
f
Supplementary factor
S1 duty:
f = 2
Factor due to gearbox temperature rise
S3 duty:
f = f1
<
f2
f1 = 2
for motor accelerating torque
f2 = 1
for
1000 switching cycles of the gearbox
f2 > 1
for > 1000 switching cycles (refer to the
Gearbox Catalog)
Note
Switching cycles can also be superimposed vibrations/oscillations!
The supplementary factor (f2) is in this case not adequate when dimensioning
the gearbox, which can result in gearbox failures.
The complete system must be optimized, so that the superimposed vibrations/
oscillations are minimized.
Motor
1FT
Gearboxes
n
mot
n
A
i =
n
mot
n
A
Fig. 2-8
Gearbox engineering/dimensioning
Gearboxes
General information on AC servomotors
2.2 Mounted/integrated components
Содержание SIMODRIVE 611A
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Страница 187: ...GENERAL INFORMATION REGARDING AC SERVO MOTORS AL S ...
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Страница 225: ...1FT5 AC SERVO MOTOR DESCRIPTIONS 1FT5 ...
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