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1414Re: Bottom up Liquid method

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  • josecarlos_junior
    Sep 1, 2010
    • 0 Attachment
      Hi,
      I have just uploaded some pictures on the album "Junior - 3d Printer - Resin", so you can follow the progress.

      I will update by blog next week so you can understand better the project, I already put some tips there...

      http://3dhomemade.blogspot.com/

      Cheers,

      Junior

      --- In diy_3d_printing_and_fabrication@yahoogroups.com, buzz <davidbuzz@...> wrote:
      >
      > I'd love to see some photos of the progress as well as the completed
      > assembly! I'm seriously thinking of making a resin+projector 3D printer,
      > so any hints/tips or blog articles you've gotr would be a great help.
      >
      > On Tue, Aug 31, 2010 at 5:38 PM, josecarlos_junior <
      > josecarlos_junior@...> wrote:
      >
      > >
      > >
      > > Hi,
      > > I have just received the Dymax resin, it's really cool!!!
      > >
      > > The projector is able to cure the resin in 3 seconds, amazing... the resin
      > > does not cure easily with normal light. The projector lamp must be UHP, only
      > > this one can cure.
      > >
      > > My printer is almost ready, I will finish within 2 weeks as I am just able
      > > to work on it during the weekends.
      > >
      > > Cheers
      > >
      > > Junior
      > >
      > >
      > > --- In diy_3d_printing_and_fabrication@yahoogroups.com<diy_3d_printing_and_fabrication%40yahoogroups.com>,
      > > "threedeelabs" <threedlabs@> wrote:
      > > >
      > > > Sounds great. I just got my projector (same as yours). I'm thinking about
      > > building this around a Reprap Darwin platform. I think it's ideal, because
      > > it's square, and the Z platform is good for putting a projector underneath.
      > > >
      > > > --- In diy_3d_printing_and_fabrication@yahoogroups.com<diy_3d_printing_and_fabrication%40yahoogroups.com>,
      > > "josecarlos_junior" <josecarlos_junior@> wrote:
      > > > >
      > > > > Hi Guys,
      > > > >
      > > > > I have just received the quartz window, really clear... amazing..
      > > > >
      > > > > I will send pics soon.
      > > > >
      > > > > Cheers,
      > > > >
      > > > > Jr
      > > > >
      > > > > --- In diy_3d_printing_and_fabrication@yahoogroups.com<diy_3d_printing_and_fabrication%40yahoogroups.com>,
      > > "josecarlos_junior" <josecarlos_junior@> wrote:
      > > > > >
      > > > > > Great!!! looks quite good.
      > > > > >
      > > > > > Although I have already built my base using normal glass I think it
      > > worth to change it for a quartz one. I will order one to test.
      > > > > >
      > > > > > The light on the projector is not UV but near UV, as the UV DLP chip
      > > is very expensive. Anyway using quartz works better with any light.
      > > > > >
      > > > > >
      > > > > > --- In diy_3d_printing_and_fabrication@yahoogroups.com<diy_3d_printing_and_fabrication%40yahoogroups.com>,
      > > "threedeelabs" <threedlabs@> wrote:
      > > > > > >
      > > > > > > Hey guys, I've found a good source for building a UV compatible
      > > tank:
      > > > > > >
      > > > > > >
      > > http://www.quartzlabware.com/catalog/labware.cgi?cart_id=1279502123.969&product=Windows&pid=71&keywords=&template=Detail
      > > > > > >
      > > > > > > We could use this as the base, and use standard plexiglas for the
      > > sides (using silicone to glue it all together).
      > > > > > >
      > > > > > >
      > > > > > >
      > > > > > > --- In diy_3d_printing_and_fabrication@yahoogroups.com<diy_3d_printing_and_fabrication%40yahoogroups.com>,
      > > "josecarlos_junior" <josecarlos_junior@> wrote:
      > > > > > > >
      > > > > > > > Hi Bertho,
      > > > > > > >
      > > > > > > > Yes you need 8 seconds to cure the resin (time of projection) and
      > > another 10 seconds for tilt and move Z up. The tilt is very slow process as
      > > quick movements could break the piece wile detaching from the glass and also
      > > move the liquid too much.
      > > > > > > >
      > > > > > > > Regards,
      > > > > > > >
      > > > > > > > Jr
      > > > > > > >
      > > > > > > > --- In diy_3d_printing_and_fabrication@yahoogroups.com<diy_3d_printing_and_fabrication%40yahoogroups.com>,
      > > "Boman33" <boman33@> wrote:
      > > > > > > > >
      > > > > > > > > Envisiontech on their website claims a build speed of 20mm per
      > > hour.
      > > > > > > > > Assuming 0.1mm layers that is 200 layers per hour which equals
      > > 18 seconds
      > > > > > > > > per layer.
      > > > > > > > >
      > > > > > > > > The video shows about 0.5 seconds per layer so I guess they
      > > really speeded
      > > > > > > > > up the video.
      > > > > > > > >
      > > > > > > > > Junior mentioned 8 seconds per layer so that sounds like it
      > > reasonably
      > > > > > > > > matches the 18 seconds and not the 0.5 seconds.
      > > > > > > > > Bertho
      > > > > > > > >
      > > > > > > >
      > > > > > >
      > > > > >
      > > > >
      > > >
      > >
      > >
      > >
      >
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