Okay, probably a dumb question, but can anyone advise of safest way to fit a pulley? - diyAudio
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Old 17th June 2009, 04:05 PM   #1
copydex is offline copydex  United Kingdom
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Join Date: Nov 2008
Default Okay, probably a dumb question, but can anyone advise of safest way to fit a pulley?

I have a Maxon motor and a press fit pulley to go on it, just wondered about the best way to do the 'press fit' part?
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Old 17th June 2009, 06:15 PM   #2
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Join Date: Sep 2001
Location: Northern California
Default Pulley fit

In general, I typically heat the pulley to expand the bore and drop it over the shaft.

If you must press, you must do it in such a way that you press straight, with even controlled pressure and not transfer the thrust through the bearings.

Cyclotronguy
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Old 18th June 2009, 07:12 AM   #3
copydex is offline copydex  United Kingdom
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Thanks. Searching around the net I have found references to heating the pulley in the oven and cooling the motor in the freezer, so will maybe give this a try.
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Old 23rd July 2009, 07:37 PM   #4
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Join Date: Apr 2002
Location: Wales u.k.
Smile Remax ?

Hi Copydex,
which Remax are you using is it the 226764 as
mentioned by Mark Kelly ?
or 226779 ?

I'm fitting a new motor to my Oracle Delphi and I'll be running it from a bench supply until I make a better motor supply.
I got a mate to turn me a motor pod from a lump of oak.
Regards, Jules
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