Re: Knee Mill Z-Axis CNC Conversion Alternatives...

William,

350 miles, even that is not so cheap :-)

Table action is good on this one, but needs some work
in a number of areas (all manageable, I believe).
There is a pretty good discussion (Q&A) on this
particular machine on the Clausing group.

Jim

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "William Schmiedlin"
<wschmiedlin@m...> wrote:

> You must be closer to it than I am, cause I can't afford the

shipping!!!

>
> I have used one of these machines, Nice. But the one I was using

had some

> issues with the table binding...We had to tighten up the gibs to

take up a

> lot of play, but that made it not so friendly when it came to

cranking!

>
> William Schmiedlin
>
> -----Original Message-----
> From: j_t_wright [mailto:buildit@p...]
> Sent: Sunday, November 09, 2003 3:35 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] Knee Mill Z-Axis CNC Conversion

Alternatives...

>
> Folks,
>
> Newbie question: I am looking at an old Clausing Atlas mill and

would

> like to be able to convert it to CNC down the road.
>
> There appear to be two likely ways to convert the Z-axis:
>
> 1. drive the existing fine feed, or
> 2. drive the existing manual knee feed.
>
> Either would mean living with whatever backlash is present (or
> tweakable) in the existing mechanisms. Actually converting either

of

> these mechanisms to ball screws would appear to require a non-

obvious

> approach.
>
> Am I missing something? What do folks actually do to CNC the Z-axis
> on knee mills?
>
> Thanks in advance...
>
> Jim
>
> "Gnats *gotta* stand on the shoulders of bigger critters!"
>
>
>
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