Prusa Mendel
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| Description | Prusa Mendel is simpler remix of normal Mendel.
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Prusa Mendel is simpler remix of normal Mendel. I want to use bushings instead of regular bearings, right now, my prototype is using two bearings, one for X and one for Y axis.
Actual State is, that I have whole machine up and running, with my DIY PLA bushings. Its pretty smooth.
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Contents
Development
The Prusa Mendel is on hosted github: http://github.com/prusajr/PrusaMendel
You can sign up for github for free and fork the project to begin working on it.
History
Bill of Materials (without extruder)
The Prusa Mendel BOM is included in the Prusa Mendel README on GitHub here: Prusa Mendel Bill of Materials
(in works, not complete yet)
80x M8 nut Fastener 76x M8 washer Fastener 3x 608 Bearing Bearings
Printed Parts
6x frame-vertex RP 2x coupling RP 3x endstop-holder RP 1x x-carriage RP 1x x-end-idler RP 1x x-end-motor RP 2x z-motor-mount RP 4x belt-clamp RP 8x bar-clamp RP 2x rod-clamp RP 1x y-motor-bracket RP 2x pulley RP
Printed Bushings
3x pla-bushing RP-PLA
Guesstimate of other parts:
5x Nema 17 NEMA Stepper 6x M8x370 Stud side Studding 4x M8x294 Stud end Studding 2x M8x440 Stud top Studding 2x M8x??? Z-Leadscrew Studding 1x M8x??? Z-Stud bot. Studding 2x ~8x495 X-bar Bar 2x ~8x406 Y-bar Bar 2x ~8x330 Z-bar Bar 1x ???x??? Print bed Thick Sheet 1x ???x??? Print bot. Thick Sheet 3x ??? Optoflags Thin Sheet
20x M3x?? for motors+pulleys Fastener 16x M3 washer " " Fastener
8x M4x?? for X&Y-belts Fastener
16x M4 washer " " Fastener
8x M4 nylock " " Fastener 3x M4x?? for X&Y-bearings Fastener 3x M4 Mudwashers " " Fastener
16x M4 nylock " " Fastener
4x M4x?? for Z-Clamps Fastener 8x M4 washer " " Fastener 4x M4 nylock " " Fastener ?x M?x?? for Print bed Fastener ?x M? washer " " Fastener ?x M? nylock " " Fastener
Printed Parts
Printing a Prusa on a Mendel
An easier option then individually printing each part if you are printing Prusa on a RepRap Mendel is the pre-assembled build file containing the Prusa parts. With this option you only need to print the Mendel plate and 3 of the PLA bushings to get a complete Prusa Mendel:
- Mendel Plate (contains all printed parts except the PLA Bushings)
- PLA Bushing (you need 3)
Printing a Prusa on a Makerbot
There are also pre-assembled build files available to fit your Makerbot's build area (download using right click => save as)
Printing a Prusa on anything else
Last but not least, if you have a machine that doesn't fit into any of the previous options all the .stl files necessary to print a Prusa Mendel are available on the PrusaMendel Github where you can download them and print them individually.
Assembly
This needs some work by someone familiar with Prusa, for now though you can at least use the images bellow to identify each part in the design and then try every possible combination until it works.
IF YOU FIND THE WORKING PERMUTATION OF PARTS PLEASE POST ANY AND ALL PRUSA MENDEL ASSEMBLY INFORMATION HERE.
X-Carriage
X-End-Motor
Parallelnes of rods is ensured by the teardrop type of holes for rods plus securing bolts from bottom (there is nut bracket inside the part). By pushing the rods upside, they will self center.
X-End-idler
Universal Bar-Clamp
Frame-vertex
I use my mod of Vik's vertexes, slimmer, same sturdy as original :-) http://www.thingiverse.com/thing:2003
