Motor components (options)
5.4 Gearbox
1PH7 induction motors (Machine tools)
Configuration Manual, (APH7W), 04/2009, 6SN1197-0AD72-0BP0
195
5.4.2
Properties
Gearbox properties
● Version as planetary gear
● Gearbox efficiency: above 95 %
● Gearboxes are available for motors, shaft heights 100 to 225
● Selector gearboxes are available up to a drive output of 100 kW
● Types of construction: IM B35 (IM V15) and IM B5 (IM V1) are possible
Note
1PH7 motors are only designed for stress levels in accordance with the specifications
(refer to the radial force diagram and maximum torque).
For drive units which, for example, are mounted to the gearbox flange or gearbox
enclosure, the motors with type of construction IM B35 must be supported at the NDE
without subjecting the motor frame to any stress.
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Figure 5-3
Speed-power diagram when using a two-stage selector gearbox to extend the constant
power speed range of main spindle drive motors
Examples
Motor without selector gearbox
Summary of Contents for SINAMICS S 1PH7
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