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| Home Built Buffing Machine http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=29343 |
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| Author: | Darryl Young [ Mon Oct 04, 2010 10:40 pm ] |
| Post subject: | Home Built Buffing Machine |
Can a good buffing machine be built from one of What are your thoughts on using one of these units from Grizzly to build a buffing machine?  What size shaft do most of you use? (I could get 1/2", 5/8". or 3/4") I have a small motor I could use that pulls 3 or 4 amps. Think that is enough for a loose belt setup? Where is a good source with a good selection of pulley sizes to control the rotational speed? Thanks! |
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| Author: | Laurent Brondel [ Tue Oct 05, 2010 5:28 am ] |
| Post subject: | Re: Home Built Buffing Machine |
You need much longer shafts, particularly to buff the sides. |
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| Author: | woody b [ Tue Oct 05, 2010 5:41 am ] |
| Post subject: | Re: Home Built Buffing Machine |
There's some good pictures and info in this thread. http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=28825&hilit=buff |
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| Author: | bluescreek [ Tue Oct 05, 2010 5:57 am ] |
| Post subject: | Re: Home Built Buffing Machine |
you can use this uniit , it isn't that expensive . http://www.grizzly.com/products/Buffing-Assembly/H3559 |
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| Author: | Darryl Young [ Tue Oct 05, 2010 8:12 am ] |
| Post subject: | Re: Home Built Buffing Machine |
That's a great suggestion John, thanks. Thanks Laurent for pointing out the flaw with the width. Any suggestions on a source of pulleys of various diameter to control the rotational speed of the shaft? I will check out the thread suggested by Woody, thanks. |
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| Author: | Laurent Brondel [ Tue Oct 05, 2010 8:42 am ] |
| Post subject: | Re: Home Built Buffing Machine |
The Shop Fox buffer suggested by John is what I use with an old Delco 1/4HP 1725rpm motor and 12" wheels. The buffer already has 3 pulleys. |
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| Author: | bluescreek [ Tue Oct 05, 2010 11:22 am ] |
| Post subject: | Re: Home Built Buffing Machine |
I did similar but have a 16 and 12inch wheel on mine. The 1/4 hp is plenty and it won't throw the guitar out of your hands like more powerful buffers. It isn't hard to set up. |
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| Author: | Darryl Young [ Tue Oct 05, 2010 1:48 pm ] |
| Post subject: | Re: Home Built Buffing Machine |
Ok, thanks. Looking at older posts, it seems most folks are running from 500in/sec - 700in/sec at the edge of the buffing wheel. Seems slower for lacquer/varnish and a little faster for polyester. So does the surface speed depend on the hardness of the finish? I will be using KTM-SV (a water based, cross linked urethane) which supposedly is a little harder than lacquer. So I'm wondering what speed would work well. If I err on the slow side, what will it hurt? Just take longer to buff or will it not do as good a job? |
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