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Widebelt Sander Dimensioning Roller

1/27/23       
Brent Member

Website: http://www.parkhillwoodcraft.ca

Which roller is supposed to handle stock dimensioning: the first rubber roller or the back steel roller? I feel like the rubber roller should be dimensioning.

I purchased a used widebelt and dressed the rubber drum... maybe removed a 1/32" from overall diameter. When I reassembled everything following a conveyor belt replacement, I noticed the rubber roller is about 5/64" higher than the steel idler roller when a piece of stock is fed through the sander. The bed raises/lowers on 2 jack screws and I can loosen the ways to rock the table up/down to change this relationship of bed distance to roller. I'm at the end of the "rocking distance" unless I enlarge the holes. Should I enlarge the holes and get the idler roller off the work piece when the rubber roller is in contact. Any thoughts? Thanks

1/27/23       #2: Widebelt Sander Dimensioning Roller ...
Dave Edgerton  Member

Hi we had the exact same problem with our sander and the reason that's happening is that the front rubber roller has been worn out. It should be a certain diameter which the bottom of it is lower than the steel return idler roller. There are two things you can do you can get the front roller resurfaced or you can get the rear roller made smaller. That's the deal

1/27/23       #3: Widebelt Sander Dimensioning Roller ...
Brent Member

Website: http://www.parkhillwoodcraft.ca

I understand what you're saying and I think you're right. I'm not sure I want to go too deep down this rabbit hole as the sander is performing very nicely even if the rear drum is doing the sanding and not the front rubber roller. I am considering shimming the table higher in the front to get the front roller lower than the rear. I understand this is a bandaid solution, but I am not seeing a big problem with this as the table rises and falls on only two jack screws. Does anyone else see an issue?

Is there a recommended distance that the contact drum should be lower than the rear idler roller? I imagine even .050" lower is all I'd need?

1/28/23       #4: Widebelt Sander Dimensioning Roller ...
Brent Member

Website: http://www.parkhillwoodcraft.ca

For future readers' reference: I was able to shim the contact roller bearing blocks to get an acceptable geometry between contact roller and the rear idler roller. A bandaid solution, but one that works for now.

6/20/23       #5: Widebelt Sander Dimensioning Roller ...
Adam West  Member

Website: http://www.surfprepsanding.com

If i had a dime for every time i saw an idler roller sanding wood I'd have a lot of dimes.....lol.


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