Extruder Gear - where to buy ?

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7Schlaefer
Posts: 52
Joined: Tue Jan 06, 2015 9:39 pm
Location: Wiesbaden, Germany

Extruder Gear - where to buy ?

Post by 7Schlaefer » Thu Jan 22, 2015 1:49 pm

Hello,
which gear do you use custom extruder ? Where to buy ?
I found a german seller who has gears with nearly the same specs as to original gear.
9,2mm outter size
5mm middle
But .. just 21teeth, instead of 24.

In my opinion no problem, cause the outer diameter make the speed of the filament. Or not ?

Best regards Leo

caesar
Posts: 64
Joined: Sat Feb 22, 2014 1:32 am
Location: Romania

Re: Extruder Gear - where to buy ?

Post by caesar » Thu Jan 22, 2015 7:30 pm

In theory it should work like the original.

The only problem would be it slipping a little more on the filament. Maybe you could also design/print a spring loaded idler so that the force pushing on the filament is more constant. Up design uses a fixed idler that is very sensitive to filament diameter.

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7Schlaefer
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Joined: Tue Jan 06, 2015 9:39 pm
Location: Wiesbaden, Germany

Re: Extruder Gear - where to buy ?

Post by 7Schlaefer » Thu Jan 22, 2015 7:44 pm

I ordered two pieces and try it out :D I think i probaply use the spring extruder-design.

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7Schlaefer
Posts: 52
Joined: Tue Jan 06, 2015 9:39 pm
Location: Wiesbaden, Germany

Re: Extruder Gear - where to buy ?

Post by 7Schlaefer » Mon Feb 02, 2015 10:33 pm

So it doesnt work well. The gears havent enough grip to hold the filament during printing. Extruding works, but i think as it goes slow the pressure is to high and so it could not feed well.

Also the gear is full of ABS :(

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