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12.2 Calculating the Required Capacity of Regenerative Resistors
12-5
12
Note: The model with (-M) is the combination model with a standard-type coil assembly and a
high-force-type magnetic way.
Fig. 12.1 Operating Conditions for Allowable Regenerative Frequency Calculation
Use the following equation to calculate the allowable frequency for regenerative mode operation.
SGLTW-
20A170A
8
Twice of coil
assembly mass
20A320A
4
20A460A
2
35A170A
6
35A320A
2
35A460A
2
35A170H
3
35A320H
1
50A170H
4
50A320H
1
40A400B
1
Linear Servomotor Model
Allowable Frequencies in
Regenerative Mode (times/min.)
Load Condition
(Including Coil
Assembly)
Speed reference
Servomotor speed
Servomotor-generated force
Regene-
ration
mode
T
(Operating cycle)
Allowable frequency = 1/T (times/min)
Maximum speed
Maximum force
0
Maximum force
0
0
t
t
t
Allowable frequency =
×
n
= / 15
Allowable frequency in regenerative mode (times)
n
n
= / 3
W
W
M
W
W
M
Peak speed
Used speed
2
times/min
n
For SGLGW,
W
M
Linear servomotor coil assembly mass
W
Load mass (including coil assembly)
For SGLTW and SGLFW,
excluding SGLTW-40 and -80)
n
=
W
W
M
For SGLTW-40 and -80,
Содержание SGLFW
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