Re: [CAD_CAM_EDM_DRO] Re: Z axis

Hugh Currin wrote:

> Matthew:
>
> On Thursday 10 January 2002 09:33 pm, you wrote:
> >
> > Please point me in the direction of a set of plans to
> > retrofit the z axis of my bridgeport for cnc operations.
> >
> I don't know of any available plans. There is one retrofit kit for the z-axis
> from Microkinetics (www.microkinetics.com/convkit.htm) for some $1200 without
> stepper motor. I know of two home built systems which use the quill. One is
> Jon Elson's (www.artsci.wustl.edu/~jmelson/CNCconv.html)

The above still works, but http://pico-systems.com/CNCconv.html
is a bit more current.

> who is active on
> this list. He had a page up with more pictures but I can't find it right off.

I didn't realize that the Z axis stuff wasn't linked to the main page. I will
do that this weekend, but meanwhile, here are some pictures.
The lower part of the leadscrew bracket and attachment to main housing :
http://jelinux.pico-systems.com/images/zbot.jpg

A poor picture of the motor mounting, etc :
http://jelinux.pico-systems.com/images/zdrive.jpg

A view of the whole assembly mounted to the head :
http://jelinux.pico-systems.com/images/zfront.jpg

A picture of the upper part of the ballscrew mount, showing the bracket
that holds it to the head, the upper bearing support (simple), the encoder
mount, and the coupling between the ballnut and the quill.
http://jelinux.pico-systems.com/images/ztop.jpg

Jon