Re: [CAD_CAM_EDM_DRO] Z axis conversion

And I wonder if it will need a counter weight , my mill mod is similar to
Jon ,TANKS, JON and I intend to motorize the knee but putting ball screws
on the Knee I think that will create a problem
regards
mariano


Joe Vicars wrote:

> In my opinion, gentlemen (and ladies) the "knee" will not make a
> good "Z". The quill bolt ons I agree aren't great, but you get to
> messing with that knee and you'll regret it. There is a bevel reduction
> gear in there (that's about 2:1) so there is some backlash. Even though
> I think Smoke is right about not needing a anti-backlash nut. So, you
> have to get all that out of there and fit a motor up inside the knee
> somehow? I don't think so.
> Not to mention you have to move 3 big castings, the knee, the table,
> and the saddle. All together 500 pounds at least! Crank on that knee
> up and down several times a day, it's a good workout. You're going to
> put an awful load on any reasonable sized motor.
> The Knee Way? No way!!!!
>
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