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PostPosted: Sun Jul 26, 2009 3:04 pm 
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Cocobolo
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Joined: Mon Apr 14, 2008 3:20 am
Posts: 376
Location: Kapolei HI
First name: Aaron
Focus: Build
Status: Semi-pro
Okay, I have the StewMac buffing arbor setup on a stand I just rebuilt.
Finally set up spacers around the 3/4" shaft, and spaced out the 1 1/4" ID buffing wheels (12" wheels). All vibration is finally gone, and it doesn't feel like I'm going to throw an instrument anymore. Works great!

Now, I want it wider, and want to increase the shaft size (using pillow blocks to support the shaft).
Can anyone tell me where I can get a 36" x 1 1/4" shaft steel rod to make my "new" buffer out of?
I see some places online, but I'm not in tune with what kind of metal rod to order. I'll source the nuts for the flanges locally, and have the rod threaded on the end at a machine shop (which will cost at least $35, minimum), unless I can get it exactly as I need.

Thanks.

Aaron


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PostPosted: Sun Jul 26, 2009 3:30 pm 
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Koa
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Joined: Wed Mar 18, 2009 6:27 pm
Posts: 1246
Location: Arkansas, USA
First name: Bill
Last Name: Hodge
Country: USA
Focus: Build
Status: Professional
Aaron,

You can get some nice precision ground shafts for a fairly reasonable price at McMaster Carr. That's where I usually get mine. There are other sources I'm sure but these guys are quick and easy. :)

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PostPosted: Sun Jul 26, 2009 7:17 pm 
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Joined: Sun Jan 27, 2008 4:10 pm
Posts: 2764
First name: Tom
Last Name: West
State: Nova Scotia
Country: Canada
Focus: Build
Status: Amateur
Most likely the machine shop will know what to use,mosy likely cold rolled and will stock it as well.

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PostPosted: Sun Jul 26, 2009 9:55 pm 
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Joined: Mon Jun 04, 2007 3:31 am
Posts: 904
Location: Candler, NC United States
Aaron --

I had a machine shop right down the road -- literally, about a quarter mile from my house -- make a left-hand threaded 1" shaft to use outboard on my lathe. He also made two big "washers" to go on either side of the buff for added stability. He threaded several inches on the end in case I want to add another similar shaft in the future, of course with a mounted pillow block. I love how stable it is, and the variable speed of my lathe is a wonderful bonus.
Attachment:
984x588-e5wZHRrW.jpg


I paid $130 for the shaft + washers. Money well spent.


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PostPosted: Sun Jul 26, 2009 10:28 pm 
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Brazilian Rosewood
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Joined: Thu Aug 04, 2005 7:50 am
Posts: 3152
Location: Canada
Yup, in this instance a machine shop may be your friend. I have a 42 inch shaft that is 1.25 inch in diametre that has a key way for the pulley and is set for pillow blocks. The shaft was $90 CDN and I figure I have about $250 invested in pro grade fittings and buffing wheels. It is, in my opinion, the way to go! Oh ya, a used 3/4 hp motor that was acquired, for free, from a friend.

Shane

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PostPosted: Mon Jul 27, 2009 11:58 am 
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Cocobolo
Cocobolo

Joined: Mon Apr 14, 2008 3:20 am
Posts: 376
Location: Kapolei HI
First name: Aaron
Focus: Build
Status: Semi-pro
Thanks guys. I definitely have my path narrowed down. Shane, yours is about 100% of where I'm going with this. Now, to find the pulley.

Aaron


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