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Ultimaker Community of 3D Printing Experts


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  1. So we also need a "just remove filament" option?
  2. I've also have a MK8 laying around for that purpose, nice to hear that works
  3. Would be nice if we could cool the complete print head system, as there is a known problem when using dual extruders.
  4. Indeed, so every form of cooling, would be rather inefficient.... So maybe a (stainless)steel + aluminium heatsink replacement? Somebody ever tried a full aluminium version? An anodized finish will add around 4 - 8% to the overall cooling effect using forced air
  5. Wouldn't it be better to only cool the PTFE part? You want to keep your heat in the nozzle, just not in the PTFE cold part of your extruder. What about a aluminium heatsink or water cooling jacket around a PTFE lining/fitting?
  6. Think it's one of the best hotends on the market. I'm just not that keen on modifying a brand new UM2 -_-
  7. What if you would use a lined aluminium piece with cooling fins (like the E3D hotend) http://e3d-online.com/E3D-v6
  8. https://www.youmagine.com/designs/alternative-um2-feeder-version-two The Famous Robert UM2 feeder :mrgreen: Still need to finish mine :oops:
  9. Well... there's lots of them to be honest for example; https://www.youmagine.com/designs/thelong-plunge
  10. Default is set to 3000mm/sec I believe. But I still have some ghosting at the moment, so I maybe reducing that.
  11. Already have an Idea, for multiple sizes and up to 2 syringes (2 component resins maybe?) Pretty simple; 2 linear guide rods + bearing, a lead screw + nut and a stepper motor for mechanical parts. Rest could be printed. We just need to ad an auxiliary plug to an 4 pole double throw switch, so you can choose the original extruder, or the aux. output But... there's probably already a few out there?
  12. You could make this yourself, not that difficult; Looks like they just use a stepper driver actuator emptying a syringe. Could be made in a nice Youmagine (collab) project :mrgreen:
  13. I used them in my RC models, never had a problem with them. Also take a look at the XT60 connectors, I've upgraded to those, Deans are a pita to solder and use.
  14. I know it's not much, but it looks a bit messy, would be nice if you could adjust it to filament needs :wink:
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