Zero Gravity Direct Drive Extruder

Discussions concerning the Ultimaker 2 / Ultimaker 2+ series of printers, including the Ultimaker 2 Go
gudo
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Joined: May 6th, 2016, 6:13 am
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Re: Zero Gravity Direct Drive Extruder

Postby gudo » January 2nd, 2017, 7:34 am

darkdvd wrote:The year 2017 promises to be a great year for the UM2 !

Yeah ! I think it ! :-P

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ivan.akapulko
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Re: Zero Gravity Direct Drive Extruder

Postby ivan.akapulko » January 2nd, 2017, 9:46 am

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P.S. I'm totally serious.

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LePaul
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Re: Zero Gravity Direct Drive Extruder

Postby LePaul » January 2nd, 2017, 11:18 am

Gudo never ceases to amaze me!

gudo
Posts: 107
Joined: May 6th, 2016, 6:13 am
3D Printer(s): Ultimaker 2 Extended

Re: Zero Gravity Direct Drive Extruder

Postby gudo » January 2nd, 2017, 2:53 pm

ivan.akapulko wrote:P.S. I'm totally serious.

Hi Ivan !
Me too ! send it to me :mrgreen:
LePaul wrote:Gudo never ceases to amaze me!

Thanks LePaul ! ;-)

danilius wrote:Very fascinating solution. I would love to see what something printed from the far left hand corner to the near right hand corner (essentially along the natural axis of the rod) looks like, whether the torque on the rod results in any feed differences from the nearest to the furthest positions.


220mm Twisted airfoil propeller blade printed with the 2.85mm Carbon Color Fabb XT-CF20 at, 0.5mm steel nozzle, 0.2mm layers, 50mm/s print speed, 255° print temp, 65° bed temp,1.5mm retractation distance
Sorry somethinh wrong on the first video, it's B&W and there are distortions :?:


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Neotko
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Re: Zero Gravity Direct Drive Extruder

Postby Neotko » January 2nd, 2017, 3:13 pm

Looks very very good

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antiklesys
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Joined: February 13th, 2016, 8:01 am
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Re: Zero Gravity Direct Drive Extruder

Postby antiklesys » January 2nd, 2017, 4:29 pm

Looking forward to this!
Also will you share the .stp files for the bed-holding arms?

gudo
Posts: 107
Joined: May 6th, 2016, 6:13 am
3D Printer(s): Ultimaker 2 Extended

Re: Zero Gravity Direct Drive Extruder

Postby gudo » January 2nd, 2017, 4:35 pm

antiklesys wrote:Looking forward to this!
Also will you share the .stp files for the bed-holding arms?

Yes I can do it, I'll post soon on Youmagine ;-)

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antiklesys
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Joined: February 13th, 2016, 8:01 am
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Re: Zero Gravity Direct Drive Extruder

Postby antiklesys » January 3rd, 2017, 4:57 am

Awesome, looking forward to the link! :)

danilius
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Re: Zero Gravity Direct Drive Extruder

Postby danilius » January 8th, 2017, 6:34 pm

Very, very impressive. No if I only knew where to find that square rod and the thingy that goes around it, I would give it a whirl.

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nilrog
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Re: Zero Gravity Direct Drive Extruder

Postby nilrog » February 5th, 2017, 5:37 pm

How are things progressing? I have seen Neotko's pictures/videos and they are really impressive :)

I have a need to print a lot of flexible stuff this spring and this extruder really looks like "the" extruder for such materials. So it would be nice if one could at least know what hardware parts, apart from the printed parts, that are needed while the rest of the design is wrapped up.

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jonnybischof
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Location: Zurich, Switzerland
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Re: Zero Gravity Direct Drive Extruder

Postby jonnybischof » February 6th, 2017, 2:37 am

Very nice desgin indeed!

Do you have any numbers as to how much this printhead weighs effectively?
I suppose the square steel rod doesn't have to be fully counted to the weight, but at least in some part it does affect the x-y-movements...

These are the moments when I wish I had access to the simulation part of Ansys software. But it's a little bit off my budget :P

I'm in the process of making a small & lightweight printhead myself, that's why I'm asking :P
fyi, I am sitting at ~240 grams total weight for the printhead and direct extruder drive, excluding bowden tube. My design is not tested yet (printing the components atm) but there will soon be pictures!
Best regards,
Jonny


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