Wilton square wheel help needed.

Joined
Jul 28, 2016
Messages
595
I feel really dumb right now! I changed the 10" drive wheel on my wilton put on the 7.5" wheel to slow down the SFPM. But my belts are now to long even with the platen fully extended. How do you tension the belt with the small drive wheel? Do I need a bigger contact wheel? shorter belts? Probably a simple fix but it is alluding me.
Thanks,
 
With that much less belt, you likely need different sized belts with that drive wheel. The ability to have greater adjustment for belt length was one of the reasons the swappable tool arm options were suggested to you on your other post. So simple answer, keep the old drive wheel, get a bigger second wheel, or smaller belts.
 
I figured it out, both bolts need to go in the same oval cut out. I knew it was simple once I went back out and looked again it was very obvious. I didn't know you could get different tool arms for the Wilton SW.
 
I'm not familiar with the Wilton. I was referring to the other grinders that were suggested ( LB, pheer, Northridge, etc.)
 
I ended up making a number of different 'arms' for my Wilton to compensate for the disparity. If I remember correctly, it's just 1/2" plate that I milled a few slots for the mounting bolts, and then 3/4" holes for the arbors of the wheels or platen. Necessity, as they say, is the mother of invention...
 
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I had the same problem. Here is what I did. First notice in the top picture there are three allen head bolts holding the arm on. I drilled and taped the bolt closest to the front of the machine. This let the arm slide father forward.
Second, look at the bottom picture. I took my milling machine and milled out the part of the arm that slips over the allen head
bolts. This lets the arm move forward so you can still use 2"x72" belts.
Also, I made two other arms out of 1/2 plate. With a milling machine they are easy to make. If you don't have a milling machine, maybe you know someone who does have one.
 
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