Quote:
Originally posted by Zymrgy
Yes, it is possable on a 3 axis mill. 1...the easiest is with a form cutter..a radius tool. The other way is a bit tougher but if you have a ball-nosed endmill then you can do it with existing equiptment. What you do is litterally "generate" the radis in, by using the ball em to go around in a circle at a certain depth, then step in ( or out ) & move your Z axis down ( or up ). After about 100 passes, you are done. Tends to make lengthy programs, but if you need it/are interested, PM me.
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Or, just for fun, you could generate it as 1 continuous spiral from top to bottom using a ballnose. I think I might want to try that...
Bob