Quote:
Originally Posted by DaveL
A grinder is great for trimming steel, but not so much for use on aluminum. The soft aluminum will attach to the wheel and clog it up.
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Quote:
Originally Posted by GeeTwo
When you do a lot of aluminum, you have to use the dressing tool after every ten minutes or so. For both aluminum and steel, a bench grinder is much faster than a hand file and is both faster and offers more control than a dremel or angle grinder for the jobs it can handle. Just remember to use vise grips for small pieces for better control and so you don't burn your fingers!
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Replace one of the grinding wheels with an appropriately sized flap grinding wheel and you'll be good to go. They work very well on soft metals like aluminum or brass, and I even prefer them for many steels. But honestly, with the amount of aluminum teams use, I think everyone would benefit by replacing one of their grinding wheels with a flap wheel, and a decent one costs around $20.