MK3S Bear rigid mount for TL Dragon Hotend
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Adapted from the Bear Mod 2.0 X Axis files by gregsaun.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Prusa Parts & Upgrades
- Licencja
- GNU General Public License v3.0
This design was published as a lazy quick fix because other options did not exist. There are better versions out there now, and I suggest you go check them out. https://www.prusaprinters.org/prints/63257-trianglelab-dragon-hotend-v20-bear-mk3s-extruder-c
Adapted from the Bear Mod 2.0 X Axis files by gregsaun.
This extruder cover includes a plate with 4 mounting holes for the TriangleLab Dragon Hotend using M2.5 screws. This rigidly mounts the hotend in place so that single-handed nozzle changes are possible without holding the heat block with a wrench.
Alternative files allow the hotend to be mounted higher, but require that both the body and cover be replaced, which is a more involved procedure. I have not tested them on a printer yet, but everything should fit okay.
Print instructions
Print in PETG with the same settings as you would for any extruder part.
I have only installed mine with 2 screws (no more came in my kit) and it is plenty strong enough. The groove mount is left in to hold the PTFE tube in place and interface with the existing extruder body. This means you only need to reprint the cover instead of remaking the entire extruder assembly. Not super elegant, but it works.
This design requires a PTFE tube cut to 40mm. The mount plate adds 4mm to the length of the hotend, so your PINDA probe will need to be moved down and first layer recalibrated. I have included an extended part cooling shroud to match the lower nozzle position in case your current shroud is not adjustable.