Installing The Machine; Preconditions For Smooth, Vibration-Free Operation; Aligning The Machine To The Driven Machine And Mounting; Horizontal Types Of Construction With Mounting Feet - Siemens SIMOTICS XP Series Operating Instructions Manual

Low-voltage motors

Table of Contents

5.5

Installing the machine

5.5.1

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.

● Vibration values in compliance with ISO 10816-3

5.5.2

5.5.2.1

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

manufacturer.

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

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

affect their bearings during operation.

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

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. If available, use the existing tapped

holes for the forcing-off bolts to somewhat raise the machine.

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

around the coupling.

5. Fix the machine to the foundation. The choice of fixing elements depends on the

foundation and is the plant operator's responsibility.

Note

Machine expansion

When aligning, make allowance for the thermal expansion of the machine when the

temperature increases.

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