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14019Re: [ORE_bits] Motor re-winding / possible commutator repair

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  • Richard Sloan
    Nov 7, 2013
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      On Thu, Nov 7, 2013 at 9:37 PM, Thomas Bor <thomasbor@...> wrote:


      Motor rewind shops abound.  I would tend to disagree with them having 1/3 the life expectancy of new motors.

      It does depend on the size of the motor, as some of the smaller (3 phase AC squirrel cage motors) are pretty much off the shelf.  However, if this is a specialty motor, then, as Richard indicated you don't have much of a choice.  I did find a motor rewind shop on Rochester and before Aberdeen (when heading north), however, I didn't get a chance to investigate what they do or how much they charge.  Mind you, that was a few years ago and I don't know whether they're still there.

      However, I do know that Siemens has several motor repair facilities in Ontario, but that may not be practical for what you need.  They have one facility in Kirkland Lake, another in Sudbury, and a third down in or near Sarnia.

      Hope that helps.


      Thomas Bor

      From: Richard Sloan <themindfactory@...>
      To: "ORE_bits@yahoogroups.com" <ORE_bits@yahoogroups.com>
      Sent: Thursday, November 7, 2013 5:02:11 PM
      Subject: Re: [ORE_bits] Motor re-winding / possible commutator repair


      Sorry to hear about the flash drive :-)


      On Thu, Nov 7, 2013 at 7:00 PM, Richard P Cook <rpcook@...> wrote:
      Sorry, no, but we did study this in engineering.   Ontario Hydro (way back when) took three brand new motors (too big to lift) to three different levels of repair shops (top of the line, middle of the road, mom & pop shop).
      All three did a decent job of rebuilding them.   The problem was, compared to a brand new motor, the rebuilds had about 1/3 the life span and it cost about 50% of the original price to rewire.    i.e. it is not worth the money in the long run.

      Now, if it is a one-of-a-kind special case/type ... you may not have a choice.   Good luck!

      Richard P Cook
      613-796-4646  mobile

      On Thu, Nov 7, 2013 at 6:30 PM, Richard Sloan <themindfactory@...> wrote:
      Anyone know someone that does this for a reasonable fee?


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