Re: Room for everybody (still)

Ballendo,
After a person builds a machine they pickup all kinds of
skills. More and more homemade machines are appearing. The quality
keeps getting better. I remember "The Experts" telling me plastic car
parts would never hold up!
Soon there could be a set of plans for a rotary table. I saw it
Saturday. The only holdup is the gears! John ordered 100 pcs from a
company and they ignored his order. Today he is trying a second
company. John said after seeing the Eggbot he knew it had to be done.

Bob

--- In CAD_CAM_EDM_DRO@y..., "ballendo" <ballendo@y...> wrote:
> Bob,
>
> Thank you for this post. I think we're in agreement here? The post
> you are replying to(mine) is mostly about lo-res machines for other
> than metal. I DID read the entire thread, and saw the opening to
> welcome some lurkers into the light...
>
> Hope this helps.
>
> Ballendo
>
> --- In CAD_CAM_EDM_DRO@y..., "cncdxf" <cncdxf@a...> wrote:
> > Ballendo,
> > The original post was asking if threaded rod would
> > be ok for wood working. Then all kinds of answers came. It
> > is obvious to me only a few people read the posts. Making
> > a wooden sign using a machine that has threaded rod would
> > turn out the same product as a more expensive machine. The
> > proof is in the internet. There are two large sites devoted
> > to homemade machines. How many people have taken an anti-backlash
> > nut put it on standard threaded rod and measured the error. What
> > is it? There are alot of craft people out there that are jumping
> > into CNC. Their suff looks great even with a .006 error. Anybody
> who
> > is anybody in CNC started off building their own machine. John
told
> > me he is getting swamped with orders. He has opened up the CNC
door
> > for me and others. I was milling boards for a local company using
> one
> > of John's designs. The company just had a big layoff. So much for
> my
> > egg money. Go back and read the posts on threaded rod, then read
the
> > orignal.
> >
> > Bob
> >
> >
> > --- In CAD_CAM_EDM_DRO@y..., "ballendo" <ballendo@y...> wrote:
> > > Bob,
> > >
> > > I applaud John K's minimalist approach... But,
> > >
> > > On this list people are "doing" cnc for many different reasons,
> and
> > > with VERY different needs and expectations.
> > >
> > > Some will be very happy just to have a machine that moves
> somewhat
> > > repeatably. Period. Others are wanting/needing to work to
better
> > > than .001 accuracies.
> > >
> > > And this distinction IS NOT drawn between "amateur"
> > and "commercial"
> > > users! It depends on the parts needed. AND the material!
> > >
> > > One of the things that I find a little frustrating is that the
> > > majority of posts on this list seem to refer to CNC as used for
> > METAL
> > > working. And "tight" tolerances. CNC is applicable FAR
> > beyond "just"
> > > metal. Where are the woodworkwers? Where are the plastic
workers?
> > The
> > > engravers? The pc bd makers?
> > >
> > > I think Chris Strattons recent post about cyclic
> > variations "ruining"
> > > his tubing mandrel? to be one of the more useful bits of info
> > shared
> > > recently. Something many wouldn't otherwise "think of"...
> > >
> > > We have seen the list recently become "re-aimed" at the home
shop
> > > user. Okay. I hope that we will ALSO see some of those who work
> in
> > > that "home shop" with OTHER than metal, at all levels of
accuracy
> > > needs, feeling free to speak up...
> > >
> > > Hope this helps.
> > >
> > > Ballendo
> > >
> > > P.S. What I'm saying is that there may be many who just don't
> speak
> > > up because they may feel that their 100 step/inch machine will
> > > not "measure up"... Or that a question about depositing glazes
on
> > > tiles to be fired (with cnc) will find no answers...
> > >
> > >
> > > --- In CAD_CAM_EDM_DRO@y..., "cncdxf" <cncdxf@a...> wrote:
> > > > Hi Ballendo,
> > > > I suspect the people who had trouble with threaded
> > > > rod used a regular nut also. Tapping a piece of 1/2" Delrin to
> > > > run on the nut works great. I also suspect they used coarse
> > > > threaded rod. John K got me to use <snip>