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Top mount Airtripper for 5:1 geared nema 17 stepper

by RatInDaHat, published

Top mount Airtripper for 5:1 geared nema 17 stepper by RatInDaHat May 8, 2013

Description

I made some changes to the AriTripper v3 extruder. I enalbled it to be mounted at the top of my mendel max. I also changed the m4 nut for a m4 rivet nut. Finally, i made it compatible with the 5:1 planetary geared stepper from robotshop. robotshop.com/geared-bipolar-stepper-motor-3v-233-oz-in.html

The only part that changed was the main body. everything else is the same.

I'm using the TL hobbed gear with 8mm ID as it fits the motor shaft.

If you want to mount two, i recommend printing the regular and mirrored version that i posted. Let me know if you have any questions.

printed at .25mm layer height, 30% infill, 2 shells, no support.

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What are you using on the carriage hot end side?
ultibots, trinity, makers tool works, etc. for the geared stepper you need the 8mm shaft version, or to be able to drill it out to 8mm.

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What are you using on the carriage hot end side?
Where can one obtain the hobbed gear?
ultibots, trinity, makers tool works, etc. for the geared stepper you need the 8mm shaft version, or to be able to drill it out to 8mm.
Hi,

it is possible have the .SCAD sources file?

Thanks
I don't use scad. I do have the solidworks file.
you can attach the project solidworks please?
it's attached.
Is this still compatible with a nema17 motor without a planetary gear reduction?
not completely. Give me a few minutes and i will upload a version that is.
Shoulder? I'm not sure what part of the motor you are referring to. Aren't Nema17 motors identical dimensions aside form motor depth and shaft length?
they should be. There is a shoulder on the face. I'm talking about the raised section that the shaft sticks out of.
Ah, I understand. Now that I think about it, I have seen some ebay motor shipping with strange flush mount plates reducing motor shaft length and other weird variations from time to time. Thanks for the info, I've been considering adding bowden to my max for a little while.
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