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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Radius end mill tips (by hand)
I have a project where I need to cut a 0.188" radius fillet for about
16" in aluminum. Unfortunately, the cut is at the bottom of a 4.5" deep channel. I haven't been able to find a cheap ($20) ball/radius mill that is long enough to do the job. However I can get a .75x6" HSS two flute for about $7. Could I get away with just grinding a radius on the end of the flutes? I don't have a grinding jig so I'd have to do it by hand. I'm thinking that it might be wise to grind it such that only one flute is cutting. That way they don't have to be the same. Obviously, this is a hack --- I realize that. That said, my tolerance is loose and my budget is low. Thanks for any advice, -DC |
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