Re: [CAD_CAM_EDM_DRO] CNCing the knee axis...

Does this mean that CNCing the knee is not a good thing to do ? Should
I just CNC the quill and leave the knee alone ?

Kim

On Wed, 2003-09-24 at 08:19, Weyland wrote:
> Hey Kim~!
>
> On Wednesday 24 September 2003 09:17 am, Kim Lux spake:
>
> > I've got two concerns with controlling the knee:
> >
> > a) does the knee remain square to the machine when not locked ? Ie is
> > the knee designed to be an axis feed, ie moved up and down without being
> > locked ? (my friend tells me no...)
>
> Your friend is absolutely correct.
> A knee *will* move without it being locked.
> You can verify this by setting up an indicator on the
> table, against the quill, and locking and unlocking the knee.
> On some machines, you will see it move as much as .010".
> On my Bridget, it moves just under .001".
> (and I probably need to adjust the gib...)
>
> > Our mill does not have a gib
> > adjustment on the knee.
>
> Are you sure?
> Just about every one I've ever seen has a gib...
>
> Check under the way wiper.
>
> Best,
>
> Weyland
>
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Kim Lux <lux@...>