Motor Frame Mounting Feet (Special Design); Installing The Motor; Preconditions For Smooth, Vibration-Free Operation; Aligning The Motor To The Driven Machine And Mounting - Siemens SIMOTICS 1LE8 Operating Instructions Manual

Low-voltage motors shaft heights 80 ... 355
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Assembly

5.5 Installing the motor

5.5
Installing the motor
5.5.1

Preconditions for smooth, vibration-free operation

Preconditions for smooth, vibration-free operation:
• Stable foundation design
• Precise alignment of the motor
• Correct balancing of parts to be fitted to the shaft extension
• Vibration values in compliance with ISO 10816-3
5.5.2

Aligning the motor to the driven machine and mounting

5.5.2.1

Selecting bolts

• Unless specified otherwise, use fixing screws with at least strength class 8.8 to ISO 898-1
to ensure that the motor is securely mounted and to transmit the torque-generated
forces.
• When selecting the bolts and the design of the foundation, take into account the
maximum forces occurring in the case of a fault such as short circuit or system transfers in
phase opposition, etc.
See also
Tightening torques for screw and bolt connections (Page 249)
180
1LE8 轴高 80 ... 355
操作说明, 11/2022, A5E52373573A

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