Re: [CAD_CAM_EDM_DRO] machining ballscrews

Screws really can be machined in hard form with carbide inserts.
True, you have to go slow until you get below the thread root, but it
really isn't that bad.

> Yes, this is one way to do it. But how are you going to machine it after you grind it if you don't have a lathe? Also I would
> be worried about getting abrasive junk down in your machine.
> I had a discussion with an Engineer at BSA about this. You have 4 choices (maybe more)
> 1. Machine it hard (not my first choice)
> 2. Anneal the ends (lots of people can do this or you do it yourself)
> 3. Grind through the hard layer. According to BSA you will find Rc60 to at least .040" below the root diamter on 5/8" and larger
> screws.
> 4. Pay BSA (or other party) to machine ends to your specs.
> Good luck.

Chris

--
Christopher C. Stratton, stratton@...
Instrument Maker, Horn Player & Engineer
22 Adrian Street, Somerville, MA 02143
http://www.mdc.net/~stratton
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