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Delta Sextruder - Suspended or Flying Extruder

by justinledwards, published

Delta Sextruder - Suspended or Flying Extruder by justinledwards Apr 4, 2015
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5720Views 348Downloads Found in 3D Printer Extruders

Summary

PTFE lined all the way through, PTC connector, 250 grams with motor.
Tatsu v2 6mm inner diameter drive gear.
v625zz bearing.
OMC Stepper nema 11 geared stepper, one hundred and fucking eight-four ounce inches of torque. Will pull 13 kg no problem.

1.75mm diameter filament.

I'm using speargun latex tubing. The stuff is made to kill things and put food in your belly. http://www.amazon.com/gp/product/B0084EFKTU/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

If you want the best for your delta, you found it. This thing shits out dual drive gear extruders.

I made it where you can use spring tension if you want. You don't need it, it can feed filament back to back if you notch your ptfe properly.

Other uses:
Attach to fishing rod and reel in marlin.
Wench for RC truck.

Instructions

Overhangs are probably best printed on most printers with 0.2mm layer height.

No supports are necessary.

I added a support into the model where the gear is, it is a thin 0.5mm layer, cut it out with a razor and it's good to go.

Use at least 2 shells (perimeters). Top and bottom need to be at least 1.2mm of solidfill. Infill for the rest can be as low as 20 percent.

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Hey cool. I'm also using a suspended extruder based on an OMC geared Nema11, but with Johann's mini extruder. I'm getting a little leery of the inbuilt Nylon spring and this looks pretty cool. Can you say a bit more about how the filament path works? You thread the ptfe all the way through a pushfit but carve out a divot so the pinch wheel can grab it? What is the diameter of your gear, I might need to modify to work with the ones I've got. What did you build this in? OpenSCAD is what I typically use if you've got a *.scad file. Thanks

I made it with tinkercad. You can copy it and ungroup the main body a few times and position it for whatever gear diameter you have https://tinkercad.com/things/f1LuFskCorH

At one point I had made the body housing with openscad, but made the switch to tinkercad where I was able to model a whole printer in a couple weeks of "free time".

I pushed the PTFE tube all the way through, marked the contact areas of the v-groove wheel and the gear with a sharpie and then pulled it back out and cut it out with an x-acto knife. On the tinkercad linked you can also just select the gear (it's brass colored) and see the max diameter.

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