Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

Bowden Clamp for Rostock Hotend

by jamesarm97, published

Bowden Clamp for Rostock Hotend by jamesarm97 Aug 23, 2012
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This replaces the standard Rostock Bowden hotend mounting that used the M8 nut. I did not like the way it threaded on and would come loose. I modified this derivative from an Ultimaker bowden assembly and the original Rostock and this is what I ended up with. It works with a 4mm tube. The insert / collet could be a little tighter but I just used a piece of tape around the bottom of the tube.


Print bottom in ABS, 100% fill at .20-.25mm layers. Use ABS if possible to protect from the effects of heat.I printed the cap on my Rostock with PLA because I liked the look. Source files to come soon.

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Any chance for a version for 1.75mm filament (2mm tube.) For some reason the scad files keeps crashing.

The STL's posted work with 1.75 and the 4mm outer / 2mm inner diameter tubes. That is what I am using. I haven't regenerated the bowden_ring file yet. It will work if you put a wrap or two of tape around the tube first where they meet. The original is a little loose.

 Any way you could post SCAD files for people with different sized bowden cables?

Thanks for the good work. I used your design and scaled it down then used it directly on my Rostock's Steves HotEnd. An upgrade to my recent upgrade. I am still building the printer. Fun! See Thingiverse: 29141 :)