Water cooled hotend
- Meduza
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Water cooled hotend
Since water cooling the UM2 hotend was discussed in another thread here
We (me and @johan) did experiment with a setup to watercool the UM2 head a few years ago, but never finished it enough to actually mount it to a printer, with a custom block wich fits in place of the heatsink and the small fan, with quite thin tubing to a pump like the ones for liquid cooling of computers.
We (me and @johan) did experiment with a setup to watercool the UM2 head a few years ago, but never finished it enough to actually mount it to a printer, with a custom block wich fits in place of the heatsink and the small fan, with quite thin tubing to a pump like the ones for liquid cooling of computers.
- LePaul
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Re: Water cooled hotend
I'd be curious how progress goes.
I follow a lot of PC builds/reviews on Tom's Hardware. There's a lot of impressive cooling systems out there, all pretty much sealed....no worries about adding fluid. Just attach to CPU/GPU, mount the radiator / fan and off you go.
With all the talk about an all metal hot end, I keep wondering if liquid cooling the area the filament is sensitive too might help (and how much, in terms of thermal reduction, it would give)
I follow a lot of PC builds/reviews on Tom's Hardware. There's a lot of impressive cooling systems out there, all pretty much sealed....no worries about adding fluid. Just attach to CPU/GPU, mount the radiator / fan and off you go.
With all the talk about an all metal hot end, I keep wondering if liquid cooling the area the filament is sensitive too might help (and how much, in terms of thermal reduction, it would give)
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Re: Water cooled hotend
There is another quite interesting way to use water cooling on the UM2 here:
(I first thought I was not supposed to make information about this project public, but the video appears to be posted publicly on youtube, so)
(I first thought I was not supposed to make information about this project public, but the video appears to be posted publicly on youtube, so)
Last edited by Anders Olsson on March 27th, 2016, 12:30 am, edited 1 time in total.
- Neotko
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Re: Water cooled hotend
The guy that did cnc that blocks posted on ultimaker forum asking for gcode help and script but, like many posts, it's lost on the cloud of facebookstyle-system. It did it seem quite interesting but I didnt had a um2 hotend at the time (I almost done fixing the china clone with a real olsson now).
- LePaul
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Re: Water cooled hotend
I see the dual fan ducts (neat design)...what's being liquid cooled?
- Neotko
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Re: Water cooled hotend
Wow took me a good 5 min to find it
https://www.youmagine.com/designs/fan-s ... ltimaker-2
And searching the user you find the post he did (0 answers) another successful ultimaker forum post...
https://ultimaker.com/en/community/1996 ... ion-on-um2
https://www.youmagine.com/designs/fan-s ... ltimaker-2
And searching the user you find the post he did (0 answers) another successful ultimaker forum post...
https://ultimaker.com/en/community/1996 ... ion-on-um2
- LePaul
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Re: Water cooled hotend
He should join here I'd love to hear how is experiment is going
- LePaul
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Re: Water cooled hotend
I sent him a message, he said he has signed in and awaiting approval. I told him he should be all set once he posts...so mods, be ready! Love to learn more from him! (Roland is his name)
- Roland
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Re: Water cooled hotend
Hi all,
thanks for invitation to your forum.
It is nice that there are other people interested in dual extrusion on Ultmaker machine.
When I bought this machine I saw the 2 holes in the tool head and I believed it can be easily upgraded to 2 nozzles.
That was wrong.
Because I have in my Job a very good 5-x mill I decided to make a new tool head with very tiny cooling channels.
This was the first step.
...it has a 3D printed gasket
thanks for invitation to your forum.
It is nice that there are other people interested in dual extrusion on Ultmaker machine.
When I bought this machine I saw the 2 holes in the tool head and I believed it can be easily upgraded to 2 nozzles.
That was wrong.
Because I have in my Job a very good 5-x mill I decided to make a new tool head with very tiny cooling channels.
This was the first step.
...it has a 3D printed gasket
Last edited by Roland on March 30th, 2016, 5:10 pm, edited 1 time in total.
- Roland
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Re: Water cooled hotend
The chiller replaces the original heat sink, the lower and upper aluminium plate an the annoying 20 mm fan.
In my opinion it is important that the tool head weight doesn't change, that keeps dynamics of this lovely machine up.
In my opinion it is important that the tool head weight doesn't change, that keeps dynamics of this lovely machine up.
- LePaul
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Re: Water cooled hotend
We've been excited to learn about your approach!
I've been curious about liquid cooling for those hoping for an all-metal hot end
I've been curious about liquid cooling for those hoping for an all-metal hot end
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Re: Water cooled hotend
Nice design!
Are you still using the original 25W heaters, or did you upgrade to the 35W version?
Are you still using the original 25W heaters, or did you upgrade to the 35W version?
- Roland
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Re: Water cooled hotend
Hi Paul,
thank you for invitation to your forum.
At the moment we change our CAM System in company. To get it working for our machines we develop a post processor for the control.
To test the post processor I have chosen this part.
The tests will start by the middle of the next week, when the parts are milled I want to anodize them in a nice color to make them resistant against scratches.
If you are interested, tell me.
Roland
thank you for invitation to your forum.
At the moment we change our CAM System in company. To get it working for our machines we develop a post processor for the control.
To test the post processor I have chosen this part.
The tests will start by the middle of the next week, when the parts are milled I want to anodize them in a nice color to make them resistant against scratches.
If you are interested, tell me.
Roland
- Roland
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Re: Water cooled hotend
Hi Anders,Anders Olsson wrote:Nice design!
Are you still using the original 25W heaters, or did you upgrade to the 35W version?
I use actual both of them, the difference of course, is the heat up time.
When I run a part that uses dual extrusion the 35Watt heater is faster.
Example: ABS: working temperature is 250° , idle temperature is 210°.
Heatup time 35W 210°->250° 17sec
Heatup time 25W 210°->250° 23sec
Roland
- LePaul
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Re: Water cooled hotend
Wow, you have access to some amazing CNC equipment (the one I have access to is 2D only)