Re: Don't laugh... Emco Unimat 3 to cnc?

Joe Vicar wrote:

>Tom,
>I think a couple of guys have done it. It was also offered direct
>from Unimat/EMCO if it is the one I'm thinking of. It's a little
>bitty sucker. The stepper motors look like they were stolen from
>an ink jet. Check out these links for some pictures that may give
>you some Ideas.
>www.kiva.net/~joev/emco/emco1.jpg
>www.kiva.net/~joev/emco/emco2.jpg
>joe V.

Thanks Joe, I think the above links are of images of a unit that was
cnc from the start. Mine is also a "little bitty sucker", however it
was never offered as a cnc machine.

Jeff Demand wrote:

>Tom,
>I have cnc'd a unimat SL (older but about the same size as a 3)
>which I use mainly for wax with StlWork. The major difficulties were
>the quill and the slop in the lead screw nuts. (Backlash was too
>kind a description)...

Yeah, very sloppy! Almost a quarter turn!

>I added self adjusting nuts for the X and Y lead screws...

Thanks Jeff. This is where I need help. Anybody have a drawing or a
good explaination of how to make this part?

Thanks,
Tom Murray