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parametric universal heavy duty 20ml syringe extruder

by BonsaiBrain, published

parametric universal heavy duty 20ml syringe extruder by BonsaiBrain Jul 1, 2012

Description

This is a parametric derivative of richraps famous universal paste extruder.
It was complete redesigned using openSCAD.

I wanted to use 20ml instead of 10ml syringes, so an additional gear was needed to get enough torque.
The construction is quite monstrous, but it fits to standard prusa x-carriage.

I tried to make all depending on the syringe size, but this was too hard.
So the default values are for 20ml syringes.
If you want to change it to 10ml or 50lm syringes you have to change more than only the syringe radius variable.
I also added base plates, if someone wants to cast it.

The syringe extruder successfully printed frost, hazelnut-spread and marzipan.

By adding jelly midprint and pouring chocolade over the finished print one can produce printed multimaterial candy.

If you want to read more about this, visit: ifeelbeta.de

Best
BonsaiBrain

Recent Comments

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Awesome.

Could you please tell me where I can buy these metal components such as bearing, and what is the proper dimensions of them ?
Thanks a lot~

People have done so...I once watched a YouTube video with one.

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Instructions

Get yourself the needed parts.
Assemble, mount it and start making candys..

Comments

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woodya1989 on Jun 3, 2013 said:

Could you please tell me where I can buy these metal components such as bearing, and what is the proper dimensions of them ?
Thanks a lot~

jjhcs1 on Sep 24, 2012 said:

wow Can you make an extruder out of a mini glue gun? or is there an Issue with Filament control....

SwimmingNaked on May 27, 2013 said:

People have done so...I once watched a YouTube video with one.

puzzler300 on Jul 14, 2012 said:

Can you print with play-dough?

BonsaiBrain on Jul 16, 2012 said:

Never tried play-dough, but it should work as well as clay or marzipan.

Ablapo on Jul 7, 2012 said:

What value is used for e_steps_per_mm?

What is the GearRatio of the extruder?

Maybe you can use a formula like this:
e_steps_per_mm = StepsPerRevolution /MicrosteppingOfControler *GearRatio *SyringeRadius^2 /NozzleRadius^2

Thanks a lot. Great stuff.

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