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 Forum index » DIY Hardware and Software » Developers' Corner
Cutting down long pots?
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droffset



Joined: Feb 02, 2009
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PostPosted: Tue Feb 24, 2009 9:04 pm    Post subject: Cutting down long pots? Reply with quote  Mark this post and the followings unread

Hi all,

I bought a lot of potentiometers on our local auction site. They're those really tall ones, with the long 'stems.'

What is the best way to trim those down? Some are plastic and some are metal, probably aluminium. Maybe something like a Dremel would work but i'd like to see if you have any idea also.

Thanks
s
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françois



Joined: Dec 23, 2006
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PostPosted: Wed Feb 25, 2009 3:11 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi,

A Dremel is perfectly adequate for this purpose. However I would suggest that you make some "master" template with a piece of metal tube to ensure you get the right and uniform shat length. I used this method at the time I used to directly screw the pots in the front panel, so shafts were of course much too long.

-- françois
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numbertalk



Joined: May 05, 2008
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PostPosted: Wed Feb 25, 2009 7:44 am    Post subject: Reply with quote  Mark this post and the followings unread

A hacksaw works well too. I have an old stompbox case I use to mount the pot and clamp that to the edge of a work surface. Like was suggested make sure you mind the length - I've cut a few too short before. After sawing you can file down any burrs or sharp edges.
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andrewF



Joined: Dec 29, 2006
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PostPosted: Wed Feb 25, 2009 3:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

I suggest you clamp the shaft and not the body of the pot when you are sawing/cutting.
if you clamp the pot's body and start sawing, the violence may damage the internals.
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numbertalk



Joined: May 05, 2008
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PostPosted: Wed Feb 25, 2009 4:29 pm    Post subject: Reply with quote  Mark this post and the followings unread

andrewF wrote:
I suggest you clamp the shaft and not the body of the pot when you are sawing/cutting.
if you clamp the pot's body and start sawing, the violence may damage the internals.


Good point!
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andrewF



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PostPosted: Wed Feb 25, 2009 9:34 pm    Post subject: Reply with quote  Mark this post and the followings unread

i know this from experience Crying or Very sad
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droffset



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PostPosted: Thu Feb 26, 2009 3:30 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks for the responses!
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stolenfat



Joined: Apr 17, 2008
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PostPosted: Fri Feb 27, 2009 6:12 pm    Post subject: Reply with quote  Mark this post and the followings unread

I use a small pipe cutter and a pair of thick pliers.
i tighten the cutters, and then hold them in my hand, clamp down on the SHAFT with the pliers and spin spin spin. My point is: dont ever put pressure on the body of the pot.
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