wormdrive dual weel extrusion
by romanjurt, published
- a big (60-80 mm) transport-weel-diameter could solve the â€œdigging-inâ€ problem.
- sharp cutter-blades cut into the abs/pla without big resistance but giving super good grip.
- a worm-drive gives a good transmission in a small package.
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i did it some time ago, did work nicely but on one point i lost my inducement since the regular ultimaker extuder got fixed and uses less material:)
but the files are here, maybe someone can use the thoughts i put in it...
i imagine soft-pla could as an interesting task for this cutter-blade-transport...
here's a videos: http://www.youtube.com/watch?feature=player_embedded&v=A1qRbB6SFG8
and an older one: http://www.youtube.com/watch?feature=player_embedded&v=Rwfng8XTXF0