On Tue, 29 Mar 2005 20:24:15 +0100, Adrian Bowyer <[log in to unmask]> wrote:
> Quoting Hoeken <[log in to unmask]>:
>
> > i read about the reprap project and i think its great!
>
> Thanks.
>
> > i'd like to help out if possible.
>
> Thanks again. That's really kind.
>
> > this project is something i've
> > dreamed about for a while =) anyways... i'll get down to business
> > here. imho the syringe pump design looks like it would work well.
> > since we're basically building a rapid prototype machine out of
> > rapidly prototypable parts, we should get a cad model of the parts
> > made.
>
> We've done some of that. It'll be going up on the downloads page soon.
>
> > We have a rapid prototyper here at my school and it would be
> > cool if i could download the plans and work on it.
> >
> > for the file format part if we are using standard openRP files then
> > the program that creates it is irrelevant. it would be nice to have
> > one to point to people and say 'this is a good one'. i tried a few
> > and blender seems to be the most mature project. the main problem i
> > had was just not knowing how to manipulate objects... there seems to
> > be a steep learning curve but that isnt too major of a problem.
> >
> > if we use the ldvt calibration and control method, then hopefully it
> > would be possible to reprap the whole thing w/o much assembly. from
> > what i gather it allows you to energize the coils to move the unit
> > linearly. that would be awesome and would allow us to not have to buy
> > as many motors since we could print it out.
>
> No - the LVDT is a measuring system, not an activation system. There would be
> electric motors too.
>
> > i've enclosed a very
> > rough image of what i think would be a starting point. i'd love to
> > get this into a cad program and see what we could really do.
>
> Screw drives are nice in that they are easy to run, but they're not very fast.
> We may use them, or we may use toothed belts and sliders.
indeed... i assumed that the vertical motion would not need to be very
fast. ie. it only moves up after every layer is printed, and even
then only a small amount. is it possible to print toothed belts and
sliders?
> Thanks again for your offer of help. Keep an eye on the ideas page. That's
> where all requests for assistance will appear.
>
> Best wishes
>
> Yours
>
> Adrian
>
> http://staff.bath.ac.uk/ensab
>
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