Compact Bowden extruder, direct drive, bearing bloc, auto load 1.75mm filament
by scarou, published
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This is an upgrade of my "Compact Bowden Extruder, direct drive 1.75mm, with bearing bloc" http://www.thingiverse.com/thing:652159.
This one is stronger and fit to auto load the filament. https://www.youtube.com/watch?v=jBaMU9Jch6Y&feature=youtu.be
You need :
- 1 x 625ZZ bearing.
- 1 x 608ZZ bearing
- 2 x M3x10 mm screws
- 2 x M3x8 mm screws
- 1 x M3X16 mm screw (top of the idler)
- 1 x M5x15 mm screw (608ZZ bearing)
- 2 x M3x30 mm screw
- 3 x M3 nut
- 2 small spring (the same as bed leveling)
- 1 Hobbed pulley (like http://www.reprap-france.com/produit/1234568310-roue-dentrainement-a-gorge (Lenght 13mm - Outer dia. : 8 mm - Hob. dia. : 6mm - Bore 5mm )
- 1 standard MK8 Hobbed pulley (Lenght 11mm - Outer dia. : 9 mm - Hob. dia. : 7.1mm - Bore 5mm) Choose the extruder stamped MK8.
Update 17-02-2015 : correcting the reference of bearing 608ZZ
Update 26-02-2015 : Here is a useful stuf to improve bowden fitting :http://www.thingiverse.com/thing:699415 and reduce backlash.
Update 01-03-2015 : correct 3 x M3 bolt in 3 x M3 nut.
Update 02-03-2015 : Aadding Extruder_to_threaded_rod_support.stl file.
Update 24-03-2015 : Adding a modified version of the extruder in order to fit with a standard MK8 Hbbed pulley (Lenght 11mm - Outer dia. : 9 mm - Hob. dia. : 7.1mm - Bore 5mm)
Update 27-03-2015 : Correct the 1 x M5x10 mm screw (608ZZ bearing) to 1 x M5x15 mm screw (608ZZ bearing).
Update 19-05-2015 : As requested, added a MK8 version with pushfit input (Compact bowden extruder MK8 - 2 pushfit.stl)
Update 17-01-2016 : As requested, added a MK8 version without builtin support (Compact bowden extruder MK8 - 2 pushfit - no builtin support.stl)
Update 14-02-2016 : As requested, added a MK8 version without bracket nor builtin support. (C_B_EMK8-_2pushfit-_nobraket-_no_builtin_support.stl)
Thanks for sharing your makes ;)
Update 19-02-2016 : As requested, added longer idlers.
Update 21-03-2016 : As requested, added C_BE MK8_M6 pushfit_builtin support.stl
Update 25-06-2016 : As requested, added C_B_E_MK8 - 2 pushfit - no braket - with builtin support.stl
Print the extruder at 0.2 mm layer height or less. Do not enable support on Slic3r (supports are already included in the stl file)
Print each part of the idler separatly and enable support on Silc3r. Dot not forget to flip the idler part 2 before printing.
Use a 2mm drill in the filament guide to make it smooth and optimum operation.
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Compact Bowden extruder, direct drive, bearing bloc, auto load 1.75mm filament by scarou is licensed under the Creative Commons - Attribution - Share Alike license.
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