Printable ABP
Description
This should get the advanced DIY hackers up and running for about $50.
Motor, PET film, gears and Neo magnets can be purchased from MBI.
I have not tried this out yet, so print at your own risk...It should work in theory. More updates to come.
Printable gears have been uploaded. I'm surprised howw fast they printed and that they work being so tiny! Use an M2 set screw for them. I may change the number of set screw holes if people have problems printing...keep me posted
A Pfierce version will also be released soon, with some different
features. Pfierce version: thingiverse.com/thing:4189
Update 11/29/10: Now with smaller file sizes. You can all thank Thingiverse user, naldarn for making me seek out and learn Rhino's exporting options. Now you can all enjoy smaller files!
Instructions
File/sand/cut mating nubs and notches until they fit.
Then epoxy or super glue the multi pieces together.
Use M3 screws and nuts to fasten everything together.
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When you use rhino, save with the ascii format, not the binary, and it will save you a lot of space on the stl files.
Actually, I've noticed it's the other way around. Saving in binary is way smaller than Ascii...Also, what was happening, was I would use RepG to center STL files after I exported from Rhino and that would more than double the STL files in size...I don't do that anymore. I just tested it just to make sure... Binary made the test model 3.2mb, Ascii made the file 24mb. I also have the simple planes and pack textures checked...Maybe I'm missing something else when I'm exporting? I really don't know Rhino very well.
I printed this and it looks great. Even the gears are useable. The only problem is that the holes that fit over the screws on the x y table are backward. So when you set it on the X Y table it faces bakwards.
Quick question... in order to make this work fully you would need:
motor (http://store.makerbot.com/3d-p...
gears (printed out? or http://store.makerbot.com/3d-p...
relay board from maker store
m3 and m2 bolts and nuts
PET film (http://store.makerbot.
com/3d-printers/automated-build-platform-1/abp-plastic-belt-pack.html???)
heating element?
aluminum heat spreader: http://store.makerbot.com/3d-p...
anything im missing?
great post btw!!!!!
axles and the rubber hose that goes over them and the bushings and plastic washers that go on the axles. if you use the makerbot store version of the PET tape it will be narrower than the printed build platform is capable of fitting on it.. he has also designed a new version of this
How about a zip of the original files (autocad solidworks, rhino) Anyone else think 61 mb is kinda large for an STL that is just a couple of sidewalls?
I wonder how it would handle the heat. Plastics have a lot of creep when they enter their glass transition temperature.
This is all a learning process, in my design I won't even have any plastic near the heating traces of the circuit board, but given at what temp ABS melts and that 120 deg c doesn't even really make the ABS mushy I think it may be fine...but we'll see i'll be printing and building one of these this week.
i wonder if you could put the gears on the inside of the frame somehow if you make a wider version (reduce the overall width) in the video that makebot put up it might not be critical to have the wiper, they have tons of ooze when printing the violins and it seems to have gone ok.
I want to see an addon to our current hpb setup.. something more sleek than than this.. something maybe integrated to X - Y stage.... (we do have an 3d printers afterall) ... just an idea ;)
definitely don't hot glue this together. the glue will melt from the heated build platform and the whole thing will come apart and cover the pcb with hot glue. ABS cement from the hardware store in the plumbing section is probably the best bet for something like this with the temperatures involved. the heated build plate might soften up the ABS so the tension on the belt might be a problem. you might want to start out at 80
º or so instead of 110-125º that is normally recommended.
Awesome, just one thought, will the ABS hold up directly under the HBP?
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Thanks for the 18 tooth gears. My ABP was missing a setting bolt, and I ruined one gear trying to glue it. It works nicely, just had to drill the center hole back up to 4mm.