Re: [CAD_CAM_EDM_DRO] Grizzly minimill

very interesting. please keep us informed.


--- fogassa@... wrote:

> 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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