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Thread: Twin belt belt grinder.
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16th May 2018, 05:40 PM #1Most Valued Member
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Twin belt belt grinder.
I thought Id make a belt grinder for sharpening various things, this is what I came up with. I made the grinder to take 25mm x 762mm belts mainly because they are available in such a wide range of grits and also because they are small. The motor is from a 4 bench linisher that fell apart, four drums are of Delrin and two of steel . The drum arms are of 40mm x 10 mm topped with 40mm x 5 mm for the belt adjusters. The bearing housing was turned up from a piece of 40mm scrap, the remainder of the frame was made of 35mm x 2mm RHS.
I had almost finished the project, but then I thought, why have one belt, two would be better, so I dismantled the framework made up another drum arm to match the first and made a new frame from 40 mm x 2mm RHS.
Not quite finished yet as it's only tacked together and one on the arms must be a little off square. Might have to get another motor though I think, this motor struggles a bit trying to spin two belts.
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