Re: [CAD_CAM_EDM_DRO] Re: Re: Souces of Timing/Drive Pulleys

when you say 'collet' and '42 tooth' I'm assuming you grabbed some
sort of boss rather than the OD of the teeth? I wouldn't have assumed
the boss was centered, but if it indicates as such then that would
sure simplify things.

> I got my xl pulleys and belts from McMaster. I stuffed one of the 42
> tooth pulleys in a collet to bore out and checked to see if it ran out
> from the stock bore. I used a gage pin in the bore and it ran more than
> .006 out of round. I checked the collet and it was true to both the back
> of the pulley and the top of the teeth. My conclusion was that the broach
> used to make the stock hole wasn't set up properly or this one didn't make
> it into the jig right. I really should go back and check the 14 tooth ones
> because I used the stock bore.

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