Hobby Electronics Basics source for carbon commutator brushes ?

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Subject Author Date
source for carbon commutator brushes ? robb 07-23-07
Posted by robb on July 23, 2007, 3:24 pm
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any suggestions on source for small carbon brushes (small quantity)

i did do a google search.... lots of mfg sites or for large quantity
wholsale purchase mostly for larger motor applications

looking for 0.220" x 0.220" by 3/4" long shuntless (just spring) size brush
for low rpm A/C motor

thanks for any help,
rob




Posted by Lord Garth on July 23, 2007, 3:36 pm
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> any suggestions on source for small carbon brushes (small quantity)
>
> i did do a google search.... lots of mfg sites or for large quantity
> wholsale purchase mostly for larger motor applications
>
> looking for 0.220" x 0.220" by 3/4" long shuntless (just spring) size
brush
> for low rpm A/C motor
>
> thanks for any help,
> rob


http://www1.mscdirect.com/CGI/N2DRVSH?PMSECT=2010982&KNC-T7L391316886



Posted by Michael A. Terrell on July 23, 2007, 3:49 pm
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robb wrote:
>
> any suggestions on source for small carbon brushes (small quantity)
>
> i did do a google search.... lots of mfg sites or for large quantity
> wholsale purchase mostly for larger motor applications
>
> looking for 0.220" x 0.220" by 3/4" long shuntless (just spring) size brush
> for low rpm A/C motor
>
> thanks for any help,
> rob


Have you tried the local hardware stores? Several chains carry them
in those flip down drawers where they have oddball hardware, toggle
switches, springs and such. That size sounds like an old sewing machine
motor. That would be another place to check, if you have an old
fashioned repair shop in your area that repairs, rather than replaces
the motors.


--
Service to my country? Been there, Done that, and I've got my DD214 to
prove it.
Member of DAV #85.

Michael A. Terrell
Central Florida

Posted by default on July 23, 2007, 6:15 pm
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>any suggestions on source for small carbon brushes (small quantity)
>
>i did do a google search.... lots of mfg sites or for large quantity
>wholsale purchase mostly for larger motor applications
>
>looking for 0.220" x 0.220" by 3/4" long shuntless (just spring) size brush
>for low rpm A/C motor
>
>thanks for any help,
>rob
>
>
Ace True Value hardware stores in this area stock loads of brushes - a
bit pricey ($4 each!) but beats hunting and shipping handling costs.

If they don't have the exact one - they are easy to file to size and
shape.
--

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Posted by hr(bob) hofmann@att.net on July 23, 2007, 8:06 pm
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> >any suggestions on source for small carbon brushes (small quantity)
>
> >i did do a google search.... lots of mfg sites or for large quantity
> >wholsale purchase mostly for larger motor applications
>
> >looking for 0.220" x 0.220" by 3/4" long shuntless (just spring) size brush
> >for low rpm A/C motor
>
> >thanks for any help,
> >rob
>
> Ace True Value hardware stores in this area stock loads of brushes - a
> bit pricey ($4 each!) but beats hunting and shipping handling costs.
>
> If they don't have the exact one - they are easy to file to size and
> shape.
> --
>
> ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet
News==----http://www.newsfeeds.comThe #1 Newsgroup Service in the World!
120,000+ Newsgroups

> ----= East and West-Coast Server Farms - Total Privacy via Encryption =----

You can always sandpaper down a brush that is too large, just be sure
to get all the powder and sand off the brush before placing it in the
motor. I have done this many times for old shavers and other various
small motors that use brushes. The new material may be a little
softer or harder than the original material the brushes were made of,
but that is not a big issue compared to getting the motor running
again.


H. R. (Bob) Hofmann


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