"hey bishop, do the thing with the knife."

--- On Thu, 6/21/12, transis...@transistor-man.com 
<transis...@transistor-man.com> wrote:

> From: transis...@transistor-man.com <transis...@transistor-man.com>
> Subject: Re: [Emc-users] SCARA robot arm 3D printer
> To: emc-users@lists.sourceforge.net
> Date: Thursday, June 21, 2012, 10:20 PM
> On 2012-06-20 09:14, ceen...@in-front.com
> wrote:
> > This link is for a reprap SCARA: 
> > http://www.youtube.com/watch?v=Cquw7dvR80A
> >
> > There was a conversation a while back about how many
> plastic Yoda
> > heads and other fast prototyped plastic waste would end
> up in land
> > fills.  I see the above reprap SCARA being a
> positive and 
> > constructive
> > engineering use for a reprap machine.  The HF06
> used stepper motor 
> > and
> > linear bearings but the rest is pretty much made with a
> reprap.
> >
> > Cool stuff.
> >
> >
> > Dennis
> >
> >
> >>  -------Original Message-------
> >>  From: Jeshua Lacock <jes...@3dtopo.com>
> >>  To: Enhanced Machine Controller (EMC) 
> >> <emc-users@lists.sourceforge.net>
> >>  Subject: Re: [Emc-users] SCARA robot arm 3D
> printer
> >>  Sent: Jun 20 '12 02:25
> >>
> >>
> >>  On Jun 19, 2012, at 9:46 AM, andy pugh
> wrote:
> >>
> >>  > On 19 June 2012 15:46,  <transis...@transistor-man.com>
> wrote:
> >>  >
> >>  >> As the printer is a SCARA arm
> >>  >
> >>  > This is an interesting development, as
> it has more printable
> >>  > components than a conventional RepRap.
> You could (in theory) 
> >> print the
> >>  > arms, whereas printing linear slides is
> more tricky.
> >>
> >>  Wow, that is a really great idea! Pretty much
> the only thing you 
> >> couldn't print is the steppers (and electrical
> components) - but those 
> >> things are cheap!
> >>
> >>
> >>  Cheers,
> >>
> >>  Jeshua Lacock
> >>  Founder/Engineer
> >>  3DTOPO Incorporated
> >>  <http://3DTOPO.com>
> >>  Phone: 208.462.4171
> >>
> >
> > 
> >
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> 
> That is excellent,
> 
> I didn't realize it, bit you're correct, there are fewer
> non-printable 
> parts on a scara versus a conventional XY platform. (no
> linear bearings)
> 
> That platform (video) looks really far along. One of the
> mechanisms IBM 
> used in this arm to maintain constant direction on the front
> facing 
> appendage is just link it with a belt to the theta 1 axis.
> it 
> effectively removes the 'turn' on the front axis, so you
> don't 
> necessarily have to have the extruder (or pen) in the
> video's case in 
> the exact center of the front facing part. I can snag a
> picture later on 
> to demo this, which might be useful for
> printed-out-scara-arms.
> 
> @jeshua, thanks! The smiley-face was a reference to the
> movie 'moon'. 
> There's a robot in the film with a very basic display, that
> looks 
> similar to the printout.
> 
> I think this is the most-recent for scara-reprap
> development:
> http://forums.reprap.org/read.php?2,128991,128991
> 
> if you run into other people developing for that platform
> i'd be 
> curious,
> 
> Thanks,
> -Dane
> 
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