Hobbed Bolt Bowden Drive
thingiverse
The provided text is about a RepRap extruder driver for Bowden extruders that utilizes an M8 hobbed bolt. It is compatible with Mendel and Huxley frames and comes with a set of gears, idler (Jonaskuehling), and a print of "Hobbed Bolt Bowden Drive." The designer used fixed gears and includes both sets in the package. For mounting, it uses RepRapPro frame mounts, coupling tongue, 2 x 608 bearings from eBay, M8 hobbed bolt, M8 washers and nuts, an idler with options for M4 x 60 (2) and nut or M3 x 30 with a nut as hinge, and a 40mm M3 screw and nut for frame mounting. Additionally, it requires a NEMA 17 stepper motor and a Bowden Hot End from tech3d.org or RepRapPro. The author has also added a modified Huxley Mount but hasn't tested it yet.
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