Re: [CAD_CAM_EDM_DRO] Grizzly minimill

Nice site. I saved it in my HD for future reference.
Hope there is no copyright. Thanks.

--- Glen Benson <benson@...> wrote:

> Ron Ginger has retrofitted the Grizzly to CNC and
> has pictures on his
> site http://plsntcov.8m.com/grizzley.html . I also
> bought one a few weeks
> back and am very happy, however I agree about the
> lead screw and setup
> issues. All in all the Grissly is a smokin deal for
> the money.
>
> Glen Benson
>
> > Hi All!
> > Thanks for aswer my questions about the minimill!
> > Sold my sherline about 3 weeks ago,and just got
> the minimill from
> > grizzly,boy... get to tell you,this baby rocks! it
> dwarfs sherline!
> > and more important,I can put cheap ballscrews on
> it. ok,let's talk
> > about the first day with it.
> > Ordered on monday,received on wednesday
> aftenoon(talking about fast
> > shipping hey!)i've also ordered the baby milling
> vise but it's on
> > back order.
> > after allmost break my back to carry it to the
> 2fl.(by myself ,I'm
> > not that strong!)started to go through the usual
> check list just to
> > find out that the handles from the wheels where
> missing,e-mailed
> > grizzly,and they say it is on back order and will
> ship it when they
> > get it.it came with; two collets(3/8,and
> 1/2")drill chuck,and all
> > wrenchs necessary.Something good;the z axis
> extrussion is made of
> > steel not aluminum as I thought.
> > Now, the bad news;For those who will use the
> machine manualy,there
> > will be a lot work to tune it! and fix what I call
> a semi finished
> > machine.(but,still a lot cheap than other top ends
> minimills.)
> > 1- they have changed how the nuts are fixed on
> x,y axis(now,they
> > seat on two pockets and are held only by one
> screw.(almost floating,)
> > 2- the fine feed colar(z axis) is graduated in
> 0.002" but turn it 5
> > divisions and it's printed 5 not 10 as it
> should(maybe they've got it
> > from a lathe.)
> > 3- griding on the ways is not that nice(,exept
> for the collun)
> > 4- The fine feed (z axis) has a lot of backlash,
> by the graduations
> > printed on the dial 0.02".
> > As I'm going to retrofit it to cnc and replace
> the lead screws by
> > ballscrews that's not a problem!
> > I believe that,if they improve the way the lead
> screws and nuts are
> > fixed, and big mistakes like the way the dials
> missmatches the lead
> > than it will well worth the money.(GRIZZLY....DO
> YOU HEAR ME!!!!!!)
> > For now,I'm happy with it(very happy)But,can't
> speak for those that
> > are going to do it manualy, so , it fits the
> bill!!!
> >
> > 'till the first cut(First need upgrade it to
> ballscrews :-)
> > Any recomendation on what else to fix or check?
> >
> >
> >
>

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