Belt grinding aluminum

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ScottRa
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Joined: Wed May 13, 2020 4:23 pm

Belt grinding aluminum

Post by ScottRa » Sun Jul 12, 2020 8:54 pm

Just a quick question on how well this works. Does a belt tend to load up on aluminum? Tricks for grinding. I’d like to build a belt grinder down the road when I get my table done and just wondered about others experiences.

Thanks!!! Scott

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acourtjester
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Re: Belt grinding aluminum

Post by acourtjester » Sun Jul 12, 2020 9:41 pm

Aluminum will get into a belt but not a bad as a wheel, There is a thing that may help to clean it out. It looks like a big rubber eraser, and is sold in the wood working places. They are some to clean belt sanders like the 3"x24" hand help type.
https://www.ebay.com/itm/SANDING-BELT-A ... SwdAleaAHE
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Old Iron
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Re: Belt grinding aluminum

Post by Old Iron » Mon Jul 13, 2020 8:47 am

The belt sander is better for aluminum than a disc sander.
Get a ceramic belt rather than an oxide and keep the metal as cool as possible by using water.

ScottRa
Posts: 27
Joined: Wed May 13, 2020 4:23 pm

Re: Belt grinding aluminum

Post by ScottRa » Mon Jul 13, 2020 1:13 pm

Thanks guys, good tips! I’ve got a smaller hand built alum project coming, I might see if I can find a ceramic belt for a small hand belt sander I have and try it for that. And wonder if maybe a touch of those big erasers before grinding might help keep metal out of the belt from the start. Have always hated grinding alum on a wheel, and it even does a good job of loading up files. At least a file cleans up with a wire brush.

Scott

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