Heat Chamber for Ultimaker

by thingster, published

Heat Chamber for Ultimaker by thingster May 13, 2013


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The stock Ultimaker is a great 3d printer which uses PLA by default as the print material. I like it, but I like ABS much more. Without a heated bed it's nearly impossible to get good printing results when using ABS - a heat bed is a must. To get even better results with ABS it's a good idea to enclose the entire build area to get higher and stabilized temperatures. A heat chamber is not nessasry, but when you want to go big with your models then it truly helps getting good print results with ABS.

My Ultimaker now features:

  • heated + illuminated build platform
  • heated + illuminated build chamber
  • permanent print plate for ABS and PLA
  • direct drive system
  • active cooled stepper motors
  • dual-fan setups for hot-end, UM pcb, and second psu
  • modified H3 extruder
  • capability to load big 2.2 kg spools
  • hardware switches for hot-end, heat bed, cooling and light
  • UltiController
  • slightly improved build room (over 200 cm³ more build space)
    and more...

This project is finished, but I still see some room for improvements, e. g. a dualstrusion setup. Maybe also some PAINT for the wood panels. :-) Also some minor improvements I'll install in the next few weeks.

Almost all of the white parts you see in the pictures are printed in ABS. Some of them are already uploaded to my things collection. The rest will follow soon (also the stickers on the front and right side).

If you have feedback for this 'thing' please don't hesitate to comment or write a message to me. Thanks.

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Did you install direct drive for X & Y stepper motors because of overheating issues inside the chamber? Can I leave mine inside?

The stepper motors of my UM got quite hot even without the heated chamber. The real reason why the stepper motors are outside is the direct drive system which means the motors are mounted to the X and Y axis directly via flexible couplers.

I see. I think I will simply flip mine on the exterior for now, the added temperature might indeed overheat them.

Would you be able to post the configurations and drawings for your new setup please... Previous post was for thingster, my bad :)

There are no drawings.

you should consider using some oven bag material for the top (I do this on my ultimaker) instead of that ridiculously huge plexiglass cube. That way, the bags can flex around the moving head. Also, have you thought about having a huge fan as a dedicated chamber fan like in a convection oven? That way you can remove your head mounted fans and reduce the size of those bulging side windows...

Would you be able to post the configurations and drawings for your new setup please.

I don't have any drawings.. I just sort of slapped on some oven bags and called it good :D sorry...

You mean like this one? -> http://tinyurl.com/bvwtx6zhttp://tinyurl.com/bvwtx6z I saw your construction before and found it clever, but didn't like the look so much, so I decided to go a similar way as Makerbot. I think that massive acrylic panels can keep the heat much better than just a foil. I know that the top cover is 'ridiculously huge' but this way the bowden cable doesn't get stuck or jolted in any way, and it also was easier for me to assemble as I don't have the best tools for machining plexiglass. It was the first time I built something like that. As I also wanted to keep the hot-end fans for still having the best possible results with PLA there was no other way than extending the side windows outwards. The overall size of this acryl enclosure doesn't affect the heat inside in a bad way. Thanks for your feedback, destroyer.

Yea I keep dreaming about making a huge fan like a convection oven, but you know how it is with too many projects and all.

Are you concerned about the panels warping at all? I was imagining using polycarbonate or polypropylene for something like this.

No, I'm not really concerned about that. I used acrylic panels that are specified to withstand temperatures up to 110 °C. More than enough to keep the heat inside without melting away... :-D

nice! Perhaps I will upgrade my setup..