WoodScrew Extruder
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Release status: unknown
| Description | WoodScrew Extruder
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| License | GPL
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| Author | |
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| Based-on | [[]]
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This extruder (cold end only) was developed to provide a low cost entry level extruder for use in RepStraps. It uses no printed parts and should cost less than $10 to make from mostly hardware store parts.
The core of the extruder is a 3" wood screw that is used as a worm drive to feed the filament. The wood screw is held by 2 small 90 degree angle brackets and turned by a small stepper motor. The filament is held to the top of the wood screw with a small cross board. The cross board is held by 2 machine screws in slots. The angle brackets are also in slots. This should allow the alignment to be adjusted as needed.
The wood screw is turned by the stepper motor with a standard screwdriver ratchet adapter. The adapter needs to be fixed to the motor shaft relatively securely.
