Re: Why dovetails?

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "mandras76" <mandras76@y...>
wrote:

>
>
> Hi,
>
> I'm new to this group and in fact new to CNC machining altogether. I
> have some experience in wood- and metalworking, and am in the

process

> of converting a Proxxon MF70 micro mill to CNC.
>
> In doing so, I'm dreaming of a larger mill already... I'm thinking

of

> building one from scratch, rather than converting a non-CNC mill,

let

> alone buying a CNC mill. Somehow I imagine that a design where the
> workpiece is at rest (or on a rotary table) and the spindle moves
> would be easiest and best. This would make the mill of my

imagination

> very similar to a CNC router, only somewhat stronger and stiffer.
>

Take a look at at this link:

http://www.knuth.de/frameset_usa.htm


This is the type of mill you are talking about. The advantage
of this type of mill (in my opinion), is that the ways & ballscrews
are out of the way of chips & coolant.

Gerry