Thingiverse
Filament pusher
by virtualguy
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Simple filament pusher using a dc reduction drive from Jaycar, a couple of microswitches and a skateboard bearing. The drive gear is a brass shaft coupling hobbed with a M4 tap as per: http://reprap.org/wiki/Wade's_Geared_Extruder. Simple design just made to suit what I cound get hold of. BOM and photos to come once I get it off the printer!
As the printer requires more filament the microswitch is depressed and the motor starts supplying more until it catches up and then turns off. I chose a
As the printer requires more filament the microswitch is depressed and the motor starts supplying more until it catches up and then turns off. I chose a
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