Minimalistic J Head X Carriage

by Acarius10, published

Minimalistic J Head X Carriage by Acarius10 Feb 1, 2013
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A minimalistic x carriage for use with a Bowden extruder and a J Head on a Prusa Mendel


Update 2/6/13
I was made aware of the size issue with the M4 Nut in the 1.75mm X Carriage. I uploaded a new file to correct this.

Required Items:
2x M3 x 30 Screws (25mm should work)
2x M3 x 16 Screws
4x M3 Nuts
M3 Washers
2x LM8UU Bearings
4x Ziplocks
Parts for a Bowden

1) Print
2)Clean up, there are multiple holes that need to be cleaned.
3)Insert nuts in their respective nut traps. It is suggested to super glue the belt clamp nuts in.
4)Insert the Bowden tube, and it's nut, then the J Head
5)Clamp the J Head in place with the clamp and 2 M3 x 30 screws
6)Insert the LM8UU Bearings, then zip lock in place
7) Place on axis.

There are 2 different carriages, one for 1.75mm filament and 3.00mm Filament

I am using this in conjunction with Chowderhead's Belt Terminator (http://www.thingiverse.com/thing:31482) so only one belt clamp is required.

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Unfortunately decreasing the number of the linear bearings makes the carriage bend not perpendicular to the axes... there should be one more bearing on the belt side

We've used these to print about 80 kg of plastic since February and have yet to have any problems.

bet you can run that thing superfast

I haven't attempted yet. I'm currently running it at a slow 45 mm/s for now.

pretty good, and easy if you want to add a 2nd extruder :)

And with the RUMBA electronics coming out, even a third...