1 Topic by kevin (edited by kevin 2014-11-12 15:38:04)

  • kevin
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  • Registered: 2014-05-03
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Topic: A new extruder design

When I got my metal hot end, I didn't entirely like any of the existing extruder designs, so I made a new one!
files here: links not allowed apparently. thingiverse thing 541085
Designed to be rigid and firmly hold the hotend in place.
Minimal distance between the extruder gear and the top of the hotend, works with the stock z-stop and prints flexible filament like ninjaflex (pfte tube must be correctly cut for this).
Pulling up on the tension screw disengages it from the lever instead of breaking things.

The (bottom, pwm) fan shroud could be better, but it works (feel free to make one!).
The parts in the pictures were printed with version 1 of itself, in abs.

The solidworks source for this has several external dependencies (standard "vitamin" parts) that i'm not sure of the distribution license for.  They are all simple, used for measurements or visual positioning (in the case of the fans).  I made a model of the e3d v6 (all parts) myself from the published drawings, that someone may find useful.

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2 Reply by blarz

  • blarz
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  • From: Hazleton, PA
  • Registered: 2013-06-26
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Re: A new extruder design

Did you have to do anything special to get your cartridge heater for the extruder to work or did you just wire it directly to the old power source, through the board?

SD3/SD4 Mods completed: glass bed, changed zrod to 5mm, slop nut, aluminum arm-originally wood, plexi-glass case, Z Wobble Preventer,  Lawsy Carriages, X\Y motor fans, control board fans, extruder cartridge heater, MK5, Esd Lite
Mods working on:Direct Y Drive
Remember.......All you touch and all you see is all your life will ever be....Pink Floyd...Dark Side of the Moon.

3 Reply by kevin

  • kevin
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Re: A new extruder design

It worked just wired to the original output on the solidoodle driver board.  I am currenly using an azteeg x5 mini powered by the computer sitting next to the printer because something went wrong with the cpu on my original controller, though, so I can't do many future tests on it.