Re: Z axis

--- In CAD_CAM_EDM_DRO@y..., Jon Elson <elson@p...> wrote:

> mjf462001 wrote:
>
> > Hugh,
> >
> > Thank you for the link. I am still not sure weather
> > I should drive the quill or the knee. When I get around to making

up

> > my mind I will at least have some pics to reference to.
>
> If you use the machine to drill holes, or if you have some slack
> in the vertical ways for the knee, like mine, then I think you

should

> go with the quill. My knee sags out, toward the operator, when you
> lower it. I can't tighten the gib because there is a worn spot on

the

> ways.
>
> Jon

John
I saw a pic of Dan's setup. The way he drives the knee, I would say
it looks pretty rigid!

Without having to do the math I wonder how much torque a guy needs
so he wouldn't have to gear down (slow down) the z axis drive.
The mill is new and without any wear.

Matthew