RobunDel Updated
Description
The lower frame is made with M8 threaded rods and the upper frame is M16 so i assume this design can potentially be expanded to even bigger printers but.. then I suggest thicker smooth rods than the 8mm ones I have used.
All axes now have LM8UU holders that is inspired by DigiFAB`s design thingiverse.com/thing:8900 . This again is inspired by Greg Frost`s original design.
So thank you very much Greg Frost and DigiFab for that one.
The Z motor mount is half of Greg Frost`s great Design: thingiverse.com/thing:8675 . I only use the upper half of it because i made a new "twist" to it to take the strain from the couplings and not having the hole weight of the X axes hanging from the Z motors. Thank yu again Greg Frost
Top vertex is designed by Auzze and slightly edited by me ... you saved me a lot of work there Auzze so.. Thank You very much M8 :-)
Data:
Actual Build area 305 X 255 X (H)300 mm (my bed is made to fit glass plates from 2D document scanners but I can not print on the entire bed now...)
2 X Nema 17 stepper motors on all axes (X, Y and Z)
Lower frame is made with M8 threaded rods.
Upper frame is all made with M16 threaded rods
Axes smooth rods is all 8mm
ALL rods are 500mm long.
Instructions
The " RobunDel_X_Carriage_Template.stl" file is to be printed as a template that you can use to make a adapter plate to fit your extruder design of your own choice.
The vitamin List:
M8 threaded rod: - 8 meter (1 meter is stainless rest is BZP)
M8 nuts : - 46 (all sink plated)
M16 threaded rod: - 3 meter
M16 nuts : - 24
M16 washer: - 20
M8 washers: - 40
8mm smooth rod: - 3 Meter
M4 screws x 28mm or longer: - 52
M4 screws x 20mm : - 2
M4 nuts/washers: - 52 of each
M3 screws X 80mm: - 8
M3 screws X 15: - 14
M3 nuts/washers: - 16 of each
LM8UU bearings: - 12
608 bearings: - 2
+ Nema 17: - 7
+ Vitamins for your extruder of choice
+ Vitamins for your bed design of choice
+ electronics
A builders Manual is going to be posted on the RepRap Wiki later.
A video of the RobunDel in action + a complete walk around presentation will be uploaded to YouTube later.
So..... later :P
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i was surprized to see that is a non stepper extruder that you are using, but i like your design overall.
HE he yeah... it ain't may of them DC extruder's left i think... :-)
I have not included any extruder in the design yet because people like different solutions for both hot and cold ends.
Thats why i added the "RobunDel_X_Carriage_Template.stl" so people can use as template to make an adapter plate to fit their extruder of choice. :-)
It is nice to hear that you
like my design... thank you :-)
I made it mainly because i wanted the bigger build area but also to give people the option of building a bigger printer without having to create a totally new design by themselves. ONE of the first things people often ask about when entering "this world" is "How much
work is it to make a printer with bigger build area?" so.. now they have one more option to choose from :-)
why not step up to NEMA23 instead of dual 17 on each axis?
Well it was what i had in the drawer for starters.
But for my "defence"... :
Using a Nema 23 on the axes would result in the need to design idlers for X and Y axes(more unique parts).... the Nema 23 would stick outside the frame further on the motor side than it does now... and would 1 Nema 23 really cost less than 2 Nema 17 motors...???(i don't
know..) and.. if you upgrade from a Sells or a Prusa.. you only need 2 extra Nema 17. ..compared to having to buy 2 Nema 23`s and have to put 2 Nema 17 in the drawer..??? :-) ;-)
License
More from ROTORIT
Is someone building this... besides me i mean... Please let me know... :-)