> welds on corners of a MS box, I run the wheel at high
> speeds. When I need to polish SS run the buff at
> a much lower speed

You have to watch the tool's cooling too. My drill for example
gets very hot at slow speed because the fan can't move enough
air through the motor. If anything has to be done slowly for a
long time I try to find a way to do it with either the drill press,
lathe or cordless drill, if it's practical

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