Re: servo motor shaft 5/8 to 1/4...shaft butcher

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:

>
>
> etauch wrote:
>
> >I know you are right about not butchering the shafts. BUT, I just
> >got 3 of the helical beam shaft couplers from McMaster. Then a
> >week or so later figured out my servo motors are a bit light
> >in the britches. So I am going with larger/lower RPM servos.
> >I dont want to place another 85.00 order, so I'm trying to figure
> >out an cheap and easy mod. Probably doesnt exist.
> >
> >
> Rather than turning DOWN the shafts, I bored UP the couplers. I
> had a bunch of couplers that came off a set of axis drives, and was
> swapping new encoders for the old resolvers and such. I mounted
> the couplers in the lathe and bored out the ends, indicating the ID
> first to make sure it was centered well. The couplers I had did
> have plenty of meat left to hold the setscrews.

If you have a lathe, is is a matter of some sort work to take a 1
inch stock and bore a 5/8 hole in one end, and turn a 1/4 shaft on
the other. cheap, effective and no messing with special parts.

>
> Jon