Balancing; Types Of Construction/Method Of Installation - Siemens SIMOTICS XP Operating Instructions Manual

Low-voltage motors
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Description
3.3 Design
Damage to bearings or the shaft
Large output masses and their centers of gravity outside the shaft extensions can lead to
resonance in operation. This can result in damage to the bearings and shaft. In an explosive
atmosphere, there is a risk of explosion. Death, serious injury, or material damage can
result.
• Ensure that the permissible loads for the forces on the shaft extension are adhered to in
• Under all circumstances, maintain the minimum radial load of cylindrical rolling bearings
3.3.5

Balancing

As standard, the machine is designed with vibration severity level A. The rotor is dynamically
balanced with a half feather key (code "H").
Vibration severity level B can be ordered as option, and stamped on the rating plate.
See also
Mounting the drive output elements (Page 63)
3.3.6

Types of construction/method of installation

The type of construction of the machine is stated on the rating plate.
Table 3- 3
Basic type of
construction code
IM B3 (IM 1001)
26
WARNING
accordance with the catalog data or configuration data.
of 50 % of the permissible radial force.
Type of construction
Diagram
Other methods of
installation
IM V5 (IM 1011)
IM V6 (IM 1031)
IM B6 (IM 1051)
1MB..5/6 shaft height 71 ... 355
Operating Instructions, 10/2021, A5E41926185A
Diagram

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