These are CAD files for the total OpenScad model.ĭfk20012002 13:48, 17 November 2011 (UTC)Ī shaft driven extruder with a worm gear drive built with public available parts.Īs I talk with people on the IRC there have been several ideas come up and any name mentions is just a general direction where the idea came from. One proposed method of creating them is via a router or dremel tool in a channel cutting groves into a shaft for a cheap replacement, This has not yet been attempted. While there are a multitude of drive shafts out there these are just some of them.īall splines: though the most accurate and best for linear motion as well as rotation are ludicrous in price costing $100+ per 12inchs and the take off gear is about $80 As such by having a shaft driven extruder you wold not have the same problemsĮxamples of different drive shaft profiles that are available The Premise about this is to reduce the amount of weight on the extruder, a previous approach was to use Bowden cable extruders however some of the claims are that it is unresponsive and elastic in comparison to a traditional extruder. Increased complexity for single extruder.Might get quickly bogged down if too many heads.Interchangeable Hotends become feasible.Maintains high degree of control at extruder.Multiple heads can be driven by the same motor.Threads of z axis (hard to verify this claim) Possible better distribution of wear on.Frees space near hotend for other goodies.Rough Example of a Spline Extruder Pros and Cons Design
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