Re: [CAD_CAM_EDM_DRO] Re: questions on cheap DRO

How about Yardo check the net , Boards are mow available use computer for
display.... Dave

----- Original Message -----
From: "turyga1963" <TIntruder@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, March 24, 2006 2:56 AM
Subject: [CAD_CAM_EDM_DRO] Re: questions on cheap DRO


> The DRO-350 can use glass scales. The SMW and other "remote readout"
> type DRO's cannot.
> Commercial DROs use glass scales but do not support the Chinese
> style scales.
>
> At the Shumatech Yahoo Group, there is a member who owns a company
> in California who imports "Jenix" brand glass scales. They are
> superb quality and priced at a fraction of what Acu-Rite, Heidenhan,
> or Mitutoyo scales of similar resolution sell for. The company is
> Linear Measuring Systems Corp., and the propretor is "Tim". Again,
> info is all available on the Yahoo group "Shumatech".
>
> The DRO-350 is clearly worth the time and effort. Plus if you do not
> wish to build it yourself, plenty of people will build it for you
> for a reasonable amount. I build them for people all the time,
> usually from parts I purchase, but also quite frequently for those
> who buy the parts and then see the amount of work and level of
> finesse required and decide they want to avoid the potential
> complications.
>
> But either way, the DRO-350 is still the best, most featured and
> most versatile DRO you can buy for under $1000.
>
> Tom
>
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "digitalzeitgeist"
> <digitalzeitgeist@...> wrote:
> >
> > I'm upgrading from the mill on my HF44142 3-in-1 to a new
> mill/drill
> > from industrial hobbies (30x/12y/5z travel), and want to put DRO on
> > the new mill and maybe also later on the lathe part of the HF44142.
> >
> > I like the documentation/feature set for the Shumatech DRO-350,
> but am
> > not sure I'll need that much power, as I draw nearly everything I
> > machine out in CAD, and can fairly easily have it print absolute
> > coordinates around whatever point(s) of interest I choose.
> >
> > The 3-axis display that SMW sells on eBay looks fairly primitive
> > (toggle/inch metric, zero each axis), but I'm wondering if it
> wouldn't
> > be enough and if not, couldn't I always just upgrade the display
> part
> > of it later to a DRO-350 (and maybe keep that somewhat limited SMW
> > display for the lathe which I use less often/precisely than the
> mill).
> >
> > Pricing difference between SMW chinese scale kit and DRO-350 with
> > chinese scales (also from SMW) currently looks something like:
> >
> > SMW on eBay Shumatech
> > Display & Cables 430 225
> > 32" X Scale incl 192
> > 12" Y Scale incl 44
> > 5-6" Z Scale incl 40
> > Shipping 8 8
> > Total 438 509
> >
> > A few questions:
> >
> > 1. Can anyone comment on the question of functionality? I can
> see
> > how the additional functionality of the DRO-350s firmware would be
> > useful if you didn't have dimensioned CAD drawings available, but
> is
> > it worth an additional $70 and the hassle of assembling the DRO-350
> > from parts if you have proper drawings?
> >
> > 2. Does anyone know if the cables that SMW provides in their ebay
> kit
> > are plug and play compatible with the connectors used on the DRO-
> 350
> > or if I upgrade later, would I have to buy/build new cables?
> >
> > 3. Also, is there someone that sells just the glass scales? I
> don't
> > need the extra precision for anything I'm doing now, but have been
> > reading alot about homebrew EDM stuff which at somepoint I might
> like
> > to fool around with. If it only cost $100 or so more to upgrade
> to
> > glass scales with the DRO-350, I'd have to seriously consider it
> just
> > so I'd have them.
> >
> > 4. Are there any other cheap DRO solutions I don't know about
> that
> > work well?
> >
> > Thoughts, opinions???
> >
>
>
>
>
>
>
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