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Parametric Mendel Extruder

by vik, published

Parametric Mendel Extruder by vik Jan 3, 2010

Description

rbisping did the SCAD Mendel Extruder design, and I made it parametric as well as adding support-free points over the horizontal holes. The parameters allow you to specify the diameter of the bearing race used in the pinch mechanism, its securing bolt, and the diameter of the filament.

I have also left the hole for the bearing support slightly oversize to allow fiddling for various sizes of bearing, shaft and filament.

Recent Comments

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the last picture is of a stepper i keep looking at as a posible extruder stepper :) though i might have a hard time mounting that somewhere :)

Okay folks, I've now got one of these actually printing. Should be good to go!

Vik :v)

Yup, fits just fine.

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Make Tomorrow...

License

GNU - GPL
Parametric Mendel Extruder by vik is licensed under the GNU - GPL license.

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Instructions

Do not use this design with 608 bearings, as they clash with the M4 securing bolts. It should be possible to modify the design to avoid this collision - post the derivative if you do!

Comments

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rbisping on Feb 10, 2010 said:

the last picture is of a stepper i keep looking at as a posible extruder stepper :) though i might have a hard time mounting that somewhere :)

vik on Jan 11, 2010 said:

Okay folks, I've now got one of these actually printing. Should be good to go!

Vik :v)

cathalgarvey on Jan 3, 2010 said:

Brilliant, thanks! So, are the settings provided suited for use with a standard Mendel?

vik on Jan 4, 2010 said:

Yup, fits just fine.

vik on Jan 3, 2010 said:

I think so - the mounting hole lines up at least. The idea is that it should. I hope to find out for sure tomorrow :)

vik on Jan 3, 2010 said:

It's still not perfect - I've put the filament 1mm too far away from the roller! Hang on...

vik on Jan 3, 2010 said:

Well, I widened a few holes, thickened it a bit and remembered to move the original bearing location that this was all about! It's printing now and if all goes well I should be able to pick it up, pull off the hair, and use it. But experience suggests I'll need to ream out the 3mm hole for the filament with my pointy thing.

rbisping on Jan 3, 2010 said:

definatly thanx :) I was hoping someone with more skill at scad would take this and make it better.

:)

versonova on Jan 3, 2010 said:

Excellent Thank you Vik for the new mendel part. ;)

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