motor laminations
motor laminations
(OP)
Hi
I am building laminated poles of a switched reluctance motor. However, the lamination manufacturer used uncoated steel plates to do the laminations as I can tell my inspection and confirmed by having a conductivity test when stacked them together. They told me that that's what they usually use for their motor clients. My question is do we do the coating (using vanish) with individual lamination before stacking them and put in oven, or stack them and soak the stacked rotor as a whole unit in vanish and then oven them.
Sorry for sounding a bit naive?!
Thanks in advance for any advice about stacking lamination in general.
C Lu (pluk@ieee.org)
I am building laminated poles of a switched reluctance motor. However, the lamination manufacturer used uncoated steel plates to do the laminations as I can tell my inspection and confirmed by having a conductivity test when stacked them together. They told me that that's what they usually use for their motor clients. My question is do we do the coating (using vanish) with individual lamination before stacking them and put in oven, or stack them and soak the stacked rotor as a whole unit in vanish and then oven them.
Sorry for sounding a bit naive?!
Thanks in advance for any advice about stacking lamination in general.
C Lu (pluk@ieee.org)





RE: motor laminations
Are you sure that there is no insulation? Typical core plate is less than 1 micro-inch thick. Some laminated electircal steels depend only on the oxidation during processing.
See:
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http://www.easternelectricals.com/application.htm
Aside from that, stacking and varnishing is commonly done. This usually includes a vaccumn cycle and this is to impregnate the coils. To be safe, a thin coat of whatever you are using on one side of the lammination (minimized stack buildup) should be a safer bet. Of course make sure that you stack coated side to uncoated side.
RE: motor laminations
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