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Bench grinder issue

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Forum topic by PaulHWood posted 01-13-2017 02:43 PM 313 views 0 times favorited 3 replies Add to Favorites Watch
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PaulHWood

412 posts in 2092 days


01-13-2017 02:43 PM

So I have a new 8” bench grinder that works good. took an old 6” grinder (taskmaster) and put a wire wheel on one side and cloth polisher on the other. Difference in weight makes this thing vibrate like hell. I assume my only answer is to run two wire wheels or two cloth polishers for ballance.

Any insight

-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice


3 replies so far

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MrUnix

6017 posts in 2038 days


#1 posted 01-13-2017 02:53 PM

Exact same configuration I have on one of my grinders (wire wheel on one side, cloth on the other). I don’t notice any unreasonable vibration with that setup. If yours is, then one (or both) are out of balance. You can bolt it dwon and live with what vibration is left, or figure out which one is out of balance.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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HokieKen

4515 posts in 978 days


#2 posted 01-13-2017 06:05 PM

Same here, I have a 6” grinder with a cotton wheel on one side and a wire brush on the other. I suspect that the cotton wheel is the issue. They are rarely anywhere near balanced due to the manufacturing method for most of them. You can either balance the wheel or work it down until it balances itself. I’d be surprised if that isn’t your issue but let us know if it turns out to be something else.

-- Kenny, SW VA, Go Hokies!!!

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PaulHWood

412 posts in 2092 days


#3 posted 01-17-2017 01:28 AM

thanks found it, not sure what happened first, but bushing on wire wheel slid off a little, fixed that and packed out with washers. then noticed the motor mount was loose, everything tightened up and back to good. motor mount is just a nut, not locking, will change that when I get a chance.

-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice

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