Re: [CAD_CAM_EDM_DRO] Re: Wood Duck redux

----- Original Message -----
From: "ballendo" <ballendo@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, May 09, 2006 8:56 AM
Subject: [CAD_CAM_EDM_DRO] Re: Wood Duck redux


> Dave,
>
> Thank you for the comments.
>
> You will definitely want to have a look at k2cnc.com. They offer
> aluminum machines sans electronics at very fair prices.
>
> A lot of folks say they want the room under the gantry; IME few
> actually use it. Making tall gantry's very quickly changes a machine
> from works well to something often less suitable. The forces and
> material demands go up geometrically.
>
> I've set the material thickness as that suitable for working on a
> 4x4 post. More importantly, with this on the table you CAN either
> work all the way through it with special tooling... or work from
> each side to the middle with standard tooling.
>
> There are more than a few designs which have poorly implemented z
> axes. Often this is a result of saving the Z axis for thelast part
> of the design process. You read that all the time on CNCzone "build
> logs".
>
> I believe you should START with the expected material sizes and
> thickness ranges, then design the z travel and its relationship to
> the spindle tool, material and machine, THEN the XY and all the
> rest... The z axis is the heart of the machine.
>
> We won't be offering incomplete kits, but we will offer parts and
> bits for those who want to go that route<pun intended<G>. There's
> already some of that available; with more to come...
>
> Ballendo
>
> P.S. I've only recently been considering increasing the space under
> the gantry of the wood Ducks to accomodate a ROTATING 4x4, since my
> rotary units will work with these machines. But a lot has to change
> to do that; and the current setup can "swing a" 3-1/4 square
> workpice in rotation, which will accomodate most furniture needs.
> So it'll likely stay as its been during the last year of testing and
> use.
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Codesuidae <codesuidae@...>
> wrote:
> >
> > ballendo wrote:
> > > What if you could just buy a FULL, COMPLETE kit for a 12x12x4-
> 1/2"
> > > travel Gantry router CNC machine, with plug-together
> electronics,
> > > and pre-configured PC-based cnc controller for $995?
> > >
> >
> > While I'm not currently in the market for a machine I will be in
> about
> > six months. This sounds interesting if it can do some light work
> in
> > aluminum and brass and I can get it sans- motors and controller.
> The Z
> > axis 3-5/8" height sounds limiting, but I think the majority of
> the
> > items I work with fit into that. I would prefer to be able to fit
> > thicker items on the table, even if the working range was the
> same. For
> > example, I'd like to be able to put n 8 inch plank on it, work to
> a 3"
> > depth, then flip the plank and work on the other side.
> >
> > > If I post pictures[...]
> > >
> >
> > I'd sure like to see some pictures :)
> >
> > > The product now arrives fully ASSEMBLED in a 24x24x24 box, and
> is
> > > made of Phenolic-faced Baltic Birch plywood. BUT it NOW costs
> $1450.
> > >
> >
> > Not for me, I like assembling things, provided the documentation
> is
> > reasonable.
> >
> > > OR... What if it was the same as described above fully
> assembled;
> > > BUT has a frame of 1/2" aluminum, and VXB linear bearings on
> 18mm
> > > rods in XY, and 16mm rods for Z. All else remains the same. But
> now
> > > it costs $1995.
> > >
> >
> > I'd be most interested in the aluminum version, unassembled
> without
> > motors and controller. This gives me the best machine at the end
> while
> > utilizing my time and skills to keep the cost down. It also helps
> > satisfy my desire to put stuff together and better understand the
> > machine, without frustrating me with too many details of parts
> selection
> > and fabrication.
> >
> > Dave K
> >
>
>
>
>
>
>
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