Induction motor frame
Induction motor frame
(OP)
Dear sir
Anyone can help me about the standards of the frame of motor.
Thank you.
Anyone can help me about the standards of the frame of motor.
Thank you.
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RE: Induction motor frame
http://www.nema.org/index_nema.cfm/1427/8672E77E-D3BC-494F-A0D0CE6E55B99A74/
RE: Induction motor frame
First 2 digits always shaft height in inches times 16 (small machines) or times 4 (larger machines).
For example, frame 48 has 3” shaft height.
445 has shaft height of 11”.
The 5 at the end of 445 can be used to determine length by table lookup. Many more dimensions are defined which help to ensure mechanical interchangeability of motors.
RE: Induction motor frame
http://www.leeson.com/literature/bulletins/pdf/1050/Dimensions.pdf