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SoliForum - 3D Printing Community → Hacks & Mods → E3D v6 no PTFE tubing?
I recently got an E3D v6(1.75mm direct version) from filastruder, and upon opening the package i saw no PTFE tubing. I quickly burshed it aside and thought it was in already(because the heatbreak was already screwed in and the bowden clip was also in). Where would you recommend i get some, the cheaper the better.
(also isn't the v6 supposed to come with tubing? i am probably wrong, for some reason i thought it was)
There should be a white piece of tubing, about 3" long. It is mandatory.
Contact me (Filastruder), I'll make it right.
What is the purpose of the PTFE tubing? I assume that one of its purposes is to clean filament as it goes into the hotend, but does it serve another function?
The PTFE actually creates the inner chamber for the filament to pass through before going into the heat-break, and allows for easier and faster printing of flexibles.
What is the purpose of the PTFE tubing? I assume that one of its purposes is to clean filament as it goes into the hotend, but does it serve another function?
How would it clean it? Where would the dirt go?
The purpose is to provide a constrained, ultralow friction path from the bobbed drive hub down into the hotend.
I've heard of folks running filament through PTFE or Styrofoam blocks prior to entering the hotend because it wipes off debris. Wasn't sure if the tube would do something similar at the tip. My assumption was that debris would collect at the top of the PTFE tube along the edges but the more I think about it I realize the diameter of the tubing is larger than 1.75mm so of course that doesn't happen. 
Talking about tubes reminds me that one of these days I wanna get the weight of that motor off the X axis and go bowden with a bulldog, but that's a ways away yet . . .
Typically filament wipers are made of sponge or similar material, as they have lots of nooks and crannys that can trap dust and dirt.
Neat. It's something I should add as a simple improvement. I have a cat, so I'm certain my filament gains debris pretty quickly from hair and dust and whatnot. It's a minor concern though.
SoliForum - 3D Printing Community → Hacks & Mods → E3D v6 no PTFE tubing?
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