Selecting Bolts; Preconditions For Smooth, Vibration-Free Operation; Aligning And Attaching The Machine To The Driven Machine - Siemens SIMOTICS HV M Operating Instructions Manual

Electric motor

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5.3.2

Selecting bolts

● Use fixing bolts with the appropriate property class to ensure that the machine is securely

● When selecting the bolts and the design of the foundation, take into account the maximum

Preconditions for smooth, vibration-free operation:

● Stable foundation design

● Precise alignment of the machine

● Correct balancing of parts to be fitted to the shaft end.

● Maintaining the vibration velocity according to ISO 10816‑3

5.3.4

1. Refer to any instructions for aligning the driven machine and those of the coupling

2. Align the machines with coupling output to the driven machine in such a manner that the

3. For the vertical positioning (x→0) place thin shims under the machine feet. The number of

4. When positioning the machine, ensure that a uniform axial gap (y→0) is maintained around

SIMOTICS HV M 1RN76308PR900CG0-Z

Operating Instructions 07/2018

fastened and torque can be adequately transmitted.

forces occurring in the case of a fault such as short circuit or line system transfer operations

in phase opposition, etc. Values for the foundation forces can be found in the "Technical

Data and Drawings" section.

manufacturer.

center lines of the shafts are parallel with no offset. This ensures that no additional forces

affect their bearings during operation.

shims should be kept as low as possible, i.e. stack as few as possible. This also prevents

the machine being subjected to any stress/distortion. Use the existing tapped holes for the

forcing-off bolts to raise the machine.

the coupling.

Assembly

5.3 Installing the machine

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