09:11AM | 02/10/04
Member Since: 02/09/04
2 lifetime posts
I have a piece of 3/16 flat stock aluminum and I need to grind some of it off. I cut a piece of for something that I'm making and now I need to 'perfect' the shape (my cut was a little rough). I know I can't use a regular grinding wheel for aluminum. What kind of grinding wheel should I use and where can I buy it? My bench grinder takes 6" wheels.


03:49PM | 02/10/04
Member Since: 09/10/03
67 lifetime posts
If you have a 4 in or hand grinder, you can use a 80 grit alum oxide or ceramic coat disc or a flap disc. You can also use a 4 in x .90 cutting disc,which cuts or grinds both sides. These items are made by SAIT and are very enexpensive. I have these, but should be able to locate at a bearing house somewhere close to your area. about 4.00 should cover any of the above. If you dont have a hand grinder, get a very course rock so the aluminum will not load up the rock.


02:32AM | 02/11/04
Member Since: 02/09/04
2 lifetime posts
Thanks for the reply. No, I don't have a hand grinder (is that what these wheels are for?) only a bench grinder. The part that I want to grind is about 6" X 6" and sort of egg shaped. The aluminum is 3/16" thick. I did a rough cut to get the general shape and now I need to remove from 1/16" to 1/2" all the way around.

I choose aluminum for this project partly because I heard it was easy to work with because it is so soft. So far that's true except for this whole grinding thing!


10:51AM | 02/21/04
Member Since: 02/20/04
52 lifetime posts
3M makes a wheel for grinders that is specifically designed for aluminum. I kind of resembles a large brillo pad in its texture. If you would like more information on them drop me an [email protected]
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