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 Post subject: Re: Liquid Handler to 3D Printer Conversion
PostPosted: Wed Apr 11, 2012 5:00 pm 
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Joined: Wed Mar 21, 2012 3:59 pm
Posts: 101
Maybe now that all the last Thing-O-Matics have been sold out by MakerBot.com and they are no longer in production, maybe Mk7 extruder parts will become available again?

However, I like the idea of using that milling machine to make heater core blocks instead.


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 Post subject: Re: Liquid Handler to 3D Printer Conversion
PostPosted: Thu Apr 12, 2012 9:48 am 
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Joined: Fri Feb 05, 2010 10:35 pm
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print head arrived a couple days ago..it is at the hf now. We have the mount for the head. The cable for the z axis, the cable for the extruder axis, atx power extention, and an rj45. I can't think of anything else hardware wise.

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 Post subject: Re: Liquid Handler to 3D Printer Conversion
PostPosted: Sun Apr 29, 2012 6:32 pm 
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Joined: Fri Dec 23, 2011 12:20 am
Posts: 4
The PC board have been mounted to an aluminum plate (provided by Kelly). I picked up some 4-40x1/2" flat head allen screws.

This took far longer than anticipated because I had to sand down the spacers as the screws were the longest in stock at Fastenal I was nearest and the others won't be in till Monday.

If someone wants to tackle hooking up the fan, heater, and thermocouple, please do so. Leave at least an extra 6-8" coiled for the print head. To get full travel on the Z-axis, we're going to have to modify things. There seems to have been some disconnect between design and execution on the Z-axis modifications.

I'll try and tackle wiring up the stepper on the existing plugin cable, and leaving pins leftover for the stepper driver to feed the head. Could someone leave a sketch of the pinout on the 6 pin header on the machine if they're in?

Ed


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