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Rostock Max v2 Greg´s Wade´s Mount

by Hichi, published

Rostock Max v2 Greg´s Wade´s Mount by Hichi Oct 23, 2015
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473Views 65Downloads Found in 3D Printer Extruders

Summary

Mounting braket for using a geared extruder (Namely this one: http://www.thingiverse.com/thing:18379/) on the Rostock Max v2.
The original EZStruder got problems regarding lost steps at high extrusion rates.
I also added a modifyed 5 mm longer guidler because on the original one the screws were slipping off after some time printing.

Post-Printing

Cutting M5 thread

After printing the main body you need to get a 4,2 mm drill bit and cut about 8 mm into to bottom filament hole. Now get an M 5 tap and cut the required threads for the pneumatic push in fitting to carry the PTFE-Bowden-Tubing.

How I Designed This

Designed with Autodesk Fusion 360

This was the first design I ever did in Autodesk Fusion 360 (ADF360)

At first I downloaded the Open Source laser cut files from SeeMeCNC´s GitHub repository:
https://github.com/seemecnc/RostockMAXv2/tree/master/CAD_FILES/Lasercut%20Files/REV1
From here I was able to import the .dxf turn it into a sketch and extrude it.

Now I got the .stl of the main body of the Greg´s Wade´s Reloaded extruder.
http://www.thingiverse.com/download:63661
In ADF360 I transformed the mesh into a solid (sort of) by clicking on "mesh to BRep"
Afterwards I inserted a random Nema 17 from GrabCAD into the assembly.

Here I arranged everything in 3D, using joints where possible.
Now began the fun part (literally), all I had to do was projecting corners and planes into a new component, extrude and refine a bit.

I took me 6h to make this little braked... but I had never really worked with ADF360 before, the joints part alone took me an hour to understand.
I'am convinced that I could do the part again in less than an hour. ADF360 is really awesome and you should give it a try, for the hobbyist it's free so check it out.

Custom Section

Extruder Settings

I changed the following:
-Acceleration from: 6500 to 750 mm/s² (the polar moment of inertia is way higher now)
-Steps/mm from: 92,3 to 868 (did fit my hobbed bolt, your settings may vary)

Retractions are still a problem, I get lost steps at speeds higher than 23mm/s but these settings work reasonably well for the moment:
Speed: 23 mm/s
Distance: 4,5 mm

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