RE: [CAD_CAM_EDM_DRO] Z-axis stepper size?

It's actually in the CAD_CAM_EDM_DRO files section under Randy's Sherline
Mill.

John Guenther

> -----Original Message-----
> From: Alan Marconett KM6VV [mailto:KM6VV@...]
> Sent: Wednesday, December 19, 2001 4:22 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Z-axis stepper size?
>
>
> Hi Peter,
>
> YES! See Randy's posts of about a year ago! OK, might be on Sherline
> list. Basically, Randy made a counterbalance for the Z axis of his
> Sherline mill.
>
> Randy Gordon-Gilmore wrote:
> >
> > I've uploaded a few pictures and drawings to the files folder
> >
> > http://www.egroups.com/files/sherline/Counterbalance+springs%2C+take+2/
> >
> > showing the completed second version counterbalance.
> >
> > Again, I used "on-hand" bearings for this one, in this case
> .500 OD x .187
> > ID radial ball bearings.
> >
> > The parts I didn't draw are the spring retainer pins -- .187
> DIA x .250 L
> > pin with .625 DIA x .040 L flange, and the bearing axle -- .187
> DIA x 2.50
> > L, with the last 1/8" threaded 6-32.
>
> I don't think this link is good anymore, perhaps Randy can expand on
> this.
>
> Alan KM6VV
>
>
> Peter Seddon wrote:
> >
> > Is counterbalancing an option for the z-axis ? This is what thefullsized
> > machines do and considerably reduce the axis power requirements.
> >
> > Regards Peter
>
>
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