Dissolvable Support Gearbox
Description
Update: It worked! I've had trouble getting PVA to stick to ABS, however it sticks pretty well to PLA when you extrude both at around 210c. Here's a video:
flickr.com/photos/tbuser/6733182253/
Update 2013-02-04:
Also works with dissolvable HIPS filament supporting ABS. See: flickr.com/photos/tbuser/8522775217/in/photostream
Instructions
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instead of making a second 3d file, that files the others overhangs out, is it possible to set the raft to be printed by the secondary extruder?
Very cool. Amusing: googling for "dissolve HIPS" does not result in any relevant info to this topic.
How did you get the raft to work with dual extrusion? I thought you couldn't use a raft with dual heads in replicator. I'm trying to get ABS and PVA to work but the PVA only sticks to the HBP at a different temp then the ABS so I thought a raft would solve the problem.
It's amazing what dual extrusion makes possible. Just awesome, so many possibilities. Well done, Tony!
Im a complete 3d printing noob at the moment, i backed the the printrbot and of course anxiously awaiting its arrival, but is it necessary to have a dual nozzle/extruder to print with suppot material?
:)
Awesome work Tony! :) 8-)
There are three polishers/agitators at the BotLair from Project Shellter. Put your part and water in a ziploc bag and toss into one of them. The agitation should speed up the dissolving time considerably!
This needs to be featured! :) (and as a bonus it has the makerbot logo on it :)
Hmm.. I think I have to upgrade my printer... NOW!! ;)
Very nice :)
What if you printed this so it was on its side? Seems like it would drastically reduce the amount of support needed, right? You'd really only need support where the pins go through the gears if the housing was designed properly. And if that were the case you could get enough leverage on breakaway support to just crank everything to remove it.
Maybe I'll draw up a gearbox and see how possible it really is!
Hmm, even sideways, I think it would be difficult with such a long narrow space between the shell up to the shafts. I'd suggest you give it a try with this model and see if you can make it work instead of making another one. :)
Besides, I'm hoping with dissolvable support, you don't have to worry so much about designing the part to be printable, you just design the part the way you want it.
Every model you upload is more impressive than the last, keep up the good work!
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instead of making a second 3d file, that fills the others overhangs out, is it possible to set the raft to be printed by the secondary extruder?