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Jonah k

Cotton wheel on bench grinder fire

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Hey

Haven't posted in a while but had some thing happen a while ago that I thought I would mention. I have a cotton wheel on one of my bench grinders that I use for poishing and it sits by my other bench grinder and belt grinder. Anyways, It caught fire from grinder sparks the other day and I diddn't notice until I came back in the shop 20 min later and it was full of smoke. Just a reminder that they catch fire very easily and can smolder undetected. Also is something most people have at there grinding stations. I now take mine off when I am not using it.

Cheers

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Avoiding fire is a good idea, but I keep the polishing wheels in zip loc bags to prevent them getting full of shop crud, because  a 2,000 grit rouge isnt any longer 2,000 grit when its wheel is full of 40 grit crud

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Yeah, polishing wheels shouldn't be around anything grinding. Even aside from burning risks, the grindings will embed in the wheels/cloth and mess up your polishing job. 

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That's a very good point.

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For high level work; every grit size has its own storage tub with the compound and buff used only for it sealed away from the ambient floating grit.

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