[Noisebridge-discuss] Makerbot repair operation - parts ordered, who wants to help?

Gian Pablo Villamil gian.pablo at gmail.com
Thu Jan 6 18:49:12 PST 2011


Cool, good info. I actually left the additional motherboard, it needs
to be re-flashed (and might have additional issues, but maybe not). In
any case putting in a new motherboard that works without paper wads
will be good.

I ordered some of the new flourescent red - it seems to go well with
the NB theme, and will light up nicely under UV light.

The electronics bits arrived, the extruder and build platform are due
in on Monday.

On Wed, Jan 5, 2011 at 11:33 AM, Jake <jake at spaz.org> wrote:
> I think it's excellent that the MakerBot will be brought back to life!
>
> However I have some information:
>
> 1> The main board (not sure what it's called) the one with the SD card
> slot and the main brain onboard was working fine but ONLY when it had a
> wad of paper shoved under one of its corners.  This is why it only has
> three standoffs present - the fourth was removed for the wad of paper.
> I was there when someone was logged into its diagnostic mode and was
> live-watching working vs. not working when the board was twisted.
>
> 2> There is a new main board in a box right next to the makerbot.  So if
> you just ordered another nother one, we now have three (or two and a
> sortof-working one).  Admittedly a machine which is so frustrating to
> restart deserves a non-defective mainboard, but i think we already have
> one.
>
> 3> I know there is already a lot of plastic, maybe not red though.
>
> Months ago I looked at the makerbot in its repose and noticed the wad of
> paper was gone - so I made a new one and stuffed it in.  Note that Ben
> (who i havent seen in months except for once recently) made all the parts
> for his own Mendelbot using our Makerbot, with the wad of paper in it.
>
> Kudos for bringing it back to life!  When i return in 2 weeks I cant wait
> to see what's up with it.
>
> and PLEASE label the old parts you take off - and don't throw them out!
>
> -jake
>
> Gian Pablo Villamil wrote:
>
> I've decided to bring the Makerbot back to life, and improve it. Based
> on my experience with my own Makerbot (which is now really solid),
> I've ordered:
>
> - a new extruder (Mk 5), it includes a relay board for controlling the
> heater and heated build platform, which avoids overloading the MOSFETs
> - a new extruder control board (apparently the existing one has lost
> its magic smoke)
> - heated build platform (this one is temperature regulated via a
> thermistor)
> - a new motherboard (just in case)
>
> and 5 lbs of bright red ABS plastic.
>
> All this requires some assembly and testing. Who wants to work with me
> on this? Parts should be arriving today or tomorrow.
>
>
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