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Direct Drive extruder

misan
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Published on January 11, 2012

Description

It can extrude 3mm filament at 35 mm/sec, faster speeds will require a more powerful motor. I am using a 4.4 kg-cm stepper powered at 1.3 Amps.

Instructions

The vertical clearance is kept to a minimum so taller objects can be printed. Not shown in the pictures, but a 40 mm fan is to be mounted in front of the extruder motor.

Sample video: youtu.be/Kf_FaiNjeag
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ianadan on January 16, 2013 said:

Not all the pictures open as larger ones to check the details... I really hate what they've done to Thingiverse sometimes...

Pazu on January 11, 2012 said:

I'm quite interested in direct drive extruder at the moment. What's the drive gear you are using? I reckon that for 1.75mm filament, a smaller motor could suffice.

misan on January 11, 2012 said:

Model boats use these type of brass inserts for couplings: http://www.model-dockyard.com/...

1.75mm filament can do with less torque, however, if you use a motor like mine you will be able to print three times faster (100mm/sec) reliably

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License

Direct Drive extruder by misan is licensed under the Attribution - Share Alike - Creative Commons license.

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