KEB DYNAMIC LINE 4 SF-CF-SP30, Руководство пользователя

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PRODUcT DEScRIPTION
2.5.2 Selection of the servo controller
The selection of the servo controller occurs via the max. short time current and the rated
output current.
Max. short time
current =
M
L_max
• standstill continuous current ( I
0
)
––––––––––––––––––––––––––––––––––
Stall torque ( M
0
)
Rated output
current =
effective torque ( M
eff
) • standstill continuous current ( I
0
)
––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Stall torque ( M
0
)
2.5.3 Output component
The smallest possible effective circular diameter of the output component can be calcu -
lated as follows:
D
W
=
k
* 2 *
M
b
D
W
k
F
Rm
M
b
effective circular diameter of the output components
Pretension factor
permissible lateral force
Acceleration torque of the drive
–––––––––––
F
Rm
2.5.4 Pretension factor
Empirical values for the pretension factor
k
:
Pinion
k
≈
1.5
Toothed belt 1.2…2.0
Flat belt 2.2…3.0
For dynamic processes like braking and accelerating, the permissible lateral force
F
R
is
not to be exceeded in order to avoid a mechanical destruction of the motor.