Re: moving table engraver

I put 2 photos in the photos section.

Daves unit folder
then Z-axis files.

1/2-10 ACME.
2.5 : 1 from the stepper.
NEMA34 single stack, I think 150 oz-in.

I mounted these on a column to drill with.

I had looked at trying to use a better quality router but since I had
the mount and none of the decent brand names could fit, I modified
the bushing to make it serviceable.

Let me know if you have any questions.


Dave




--- In CAD_CAM_EDM_DRO@yahoogroups.com, "andrewyslee"
<andrewlee@s...> wrote:

> Hi Dave,
>
> I'll like that very much. Thanks a million.
>
> If I am reading correctly, other post, some on the list have got
> acceptable (hopefully even outstanding) results by making their own
> drive screw (from delrin):-), hardware store all thread :-), guide
> rod bush from delrin ;-), drill rod :-( ???
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
> <davemucha@j...> wrote:
> > If you like, I can send you a pic of my simple Z with leadscrew

and

> > plastic nut.
> >
> > I used a linear slide, 3" travel and a trim router.
> >
> > It's light duty and will be decent for a remel or light router.
> >
> > Dave
> >
> >
> >
> >
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com, "andrewyslee"
> > <andrewlee@s...> wrote:
> > > Hi,
> > >
> > > Been putting off making of a fixed bridge-moving table
> > > engraver/router of acceptable precision (for engraving). Been
> > looking
> > > a the hardware shop for some supporting/guide rods and found

some

> > > 16mm round steel bar. They look reasonably round. Wondering if

I

> > can
> > > use them for the 2 support/guide rods for the x-axis moving

table

> > for
> > > a movement of 24 inches which means the rod will have to be 48
> > inches
> > > long.
> > >
> > > Will they be sufficiently round and straight for the purpose

that

> I
> > > have mentioned (for engraving, not precision metal working). If
> so,
> > > will two milled holes of very slightly bigger diameter in

delrin

> > > serve sufficently as support bearing for the x-axis moving

table?

> I
> > > have access to desktop cnc lathe and mill.
> > >
> > > Thanks for any input.
> > >
> > > Andrew