Re: [CAD_CAM_EDM_DRO] Re: Ballscrew mounting

Tim Goldstein wrote:> > Sounds like a good plan, Joel. I never considered drilling the ballscrew

> > > and inserting another piece with the features already turned on it. The
> > > darn screw is so hard it would be very difficult to turn and thread it.
> > > Great idea! Question: what do you plan to drill the screw end with? I
> > > tried it tonight on a scrap piece of ballscrew and even using a HSS stub
> > > bit the hole was still slightly off center. It just didn't want to bite.
> > The
> > > point at which the tip of the bit hits the material seems to be the
> > > critical issue. If it walks at all any other drilling will be off...

Maybe this is one of those places where making a holder to slip over the end of the ballscrew and position a drill bushing might
help.

Dave