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New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley

Posted by Idolcrasher 
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Idolcrasher
New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 01:14AM
RepRap Pro Released a Tri-Color Variant of the Mendel Pro Today (2/15/2013):



Tri Color Mendel on RepRapPro Site
Tri Color Printer on Thingiverse

Of even more interest to me is the new Bowden Extruder They Released:



Notice the unique gear style? When printing that gear, the teeth never touch the bed; NICE!

Assembly Instructions For New Extruder

Print or buy some of this RepRapPro goodness then come back and give your thoughts!

FabberForge - Printing Happiness

[www.fabberforge.com]
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akhlut
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 01:28AM
I've been watching their videos on tri-color printing. Pretty sweet.

- akhlut

Just remember - Iterate, Iterate, Iterate!

[myhomelessmind.blogspot.com]
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 01:30AM
They STL trays they posted on Thingiverse don't have the extruder eye rolling smiley
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 01:32AM
The extruder may be here on Github

I will have to check.
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xclusive585
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 01:54PM
That extruder is around, people have already made copies so the .stls have to be around somewhere. Github is a strong possibility.
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xclusive585
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 01:58PM
akhlut Wrote:
-------------------------------------------------------
> I've been watching their videos on tri-color
> printing. Pretty sweet.


I look forward to trying a dual head setup soon. I am most interested in using a second head to print PVA as support. If I can pull it off, I can do some really cool "impossible" prints.
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 07:38PM
I just found out that that extruder uses a friction fit gear on the motor and threw up a little in the back of my throat.

I think push fit gears violate the "build things that can be taken apart" ethos.

But heck I might try building one anyway. Not sure how to get or make the hobbed cylinder they are using though.
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droftarts
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 09:37PM
The motors RepRapPro use have a flat on the shaft, and the gear they are supplying has a flat that fits to this, along with being a pretty tight friction fit. You'd have to be trying really hard to make it rotate on the shaft! However I think the current version on GitHub has a grub screw. The design lets you remove the large gear and hobbed bolt really easily. Filament locks it into place. I downloaded it from GitHub last week, and have been playing around with it to make a 3mm filament, direct drive version, ie carriage mounted rather than Bowden cable. It's much more compact than a Greg's.
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 10:08PM
Any ideas on making/fabricating/buying ypthe hobbed cylinder they are using?

FabberForge - Printing Happiness

[www.fabberforge.com]
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xclusive585
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 10:23PM
Idolcrasher Wrote:
-------------------------------------------------------
> Any ideas on making/fabricating/buying ypthe
> hobbed cylinder they are using?


Check #reprap on IRC. Someone had a ton of them, but I can't remember who. :-(
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crispy1
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 11:05PM
Quote

Check #reprap on IRC. Someone had a ton of them, but I can't remember who. :-(

blddk if they are the ones I am thinking of. Trinitylabs sells them here [trinitylabs.com]
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 11:41PM
I don't think that is it. It would be cool if it was, because I have one of those on hand actually. The wiki describes it as "8mm M3 hobbed drive".

8mm in what dimension and where? Who knows...

It seems to have an m3 thread running down the center...
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 11:42PM

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crispy1
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 11:51PM
They actually tapped the hobbed gear? That's... interesting. I suppose with enough Loctite it could work.

That doesn't look quite like blddk's gear, so I agree with you there.
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xclusive585
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 16, 2013 11:54PM
it's threaded on the inside?!

eye rolling smiley
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 17, 2013 12:15AM
yeah its tapped down the middle. The build instructions talk about screwing it on smiling smiley
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 17, 2013 12:27AM
The RepRap Pro Multi Material Mendel GitHub Does not actual have the STLs for the printer, but it does have the STLs for the extruder...

The Multi-Material Mendel Thingiverse page has the printer STLs but not the extruder STLs...

I can't tell if the lasercut DXFs are available, or if the ones on github are just for the original mendel...

I can't find schematics (or descriptions) of the hobbed bolt or other unique parts...

Edited 2 time(s). Last edit at 02/17/2013 02:24AM by Idolcrasher.
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Rhys Jones
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 17, 2013 05:42AM
@Idolcrasher Everything is online, but there are a few issues at the moment merging branches. All of the files for the extruder, including all of the dxfs and drawings for the insert etc, may be found on the dev branch: [github.com]. All of the files, again including the DXFs for the lasercut parts, for the mechanics maybe found on the Dev-v1.1 branch. [github.com]. At the moment the final bill of materials and instructions are being worked on.

Edited 1 time(s). Last edit at 02/17/2013 04:36PM by rhysjones.
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bobc
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 17, 2013 06:51AM
Rhys Jones Wrote:
-------------------------------------------------------
> @Idolcrasher Everything is online, but there are a
> few issues at the moment merging branches. All of
> the files for the extruder, including all of the
> dxfs and drawings for the insert etc, may be found
> on the dev branch:
> [github.com]. All
> of the files, again including the DXFs for the
> lasercut parts, for the mechanics maybe found on
> the Dev-v1.1 branch.
> [github.com].
> At the
> moment the final bill of materials and
> instructions are being worked on.

Why not push the interim BOM etc to the dev branch now? Genuine question.

Edited 1 time(s). Last edit at 02/17/2013 04:36PM by rhysjones.
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Rhys Jones
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 17, 2013 07:05AM
@bobc They already are. Our interim/incomplete instructions, complete with a bill of materials at the start of each section, maybe found in the instructions folder on the dev-v1.1 branch.
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bobc
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 17, 2013 10:39AM
Rhys Jones Wrote:
-------------------------------------------------------
> @bobc They already are. Our interim/incomplete
> instructions, complete with a bill of materials at
> the start of each section, maybe found in the
> instructions folder on the dev-v1.1 branch.

Oh, my bad, sorry!

I've been looking forward to this development, so many thanks for getting it out there.
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Idolcrasher
Re: New Printer & Extruder From Adrian Bowyer and Co. smiling bouncing smiley
February 17, 2013 04:00PM
Sorry if I came across with a lack of love. I am a huge RepRap Pro fan. When folks ask me where to buy a kit I tell them to buy RepRap Pro. Hell, I tell people that buy printed parts from me that they should really consider buying a kit from RepRapPro instead winking smiley

Looking forward to the development of the new RepRap Pro designs smiling smiley
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