Shredder from plastic
Tools / Materials
must be mostly available in John Doe’s shops
3D printer or the precious plastic machines, a DIY press or/and injection
hard as possible : PET, HDPE, ?
driveshaft : hexbar from metal or via extrusion
side plates : oven and press (clamps, vise), the shape is done by arranging metal bars the way and size needed
blades: as side plates, injection or press via epoxy, plaster or aluminum folie in wood
drive : motor and/or hand wheel
optional : transmission : gears and/or wheel
optional : metal knifes mount on blades
optional : metal enforcement for side plates, blades and counter blades
shredding soft materials as often found in house holds
well, what about a useful machine done from recycled plastic ? what about the old reprap idea, making machines from machines ?
hand wheel needs to big, up to 50 cm diameter : kid bicycle wheel. alternatively if gears can be printed, the wheel can be smaller
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