Airtripper Variant for Planetary Gear Stepper, 8mm MK7 pulley and M5 PushFit

by mattschoenholz, published

Airtripper Variant for Planetary Gear Stepper, 8mm MK7 pulley and M5 PushFit by mattschoenholz Dec 16, 2012
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6597Views 2540Downloads Found in 3D Printer Extruders


I realized that the 8mm shaft diameter gear I purchased from Trinity Labs was a little large for the existing version created by piit79 and wanted a couple other modifications including filleted edges and a bit more structural support. In making these changes I pushed out the idler base and therefore had to lengthen the strut.

I am running dual extruders so the file includes a mirrored version as well.


Following Piit79's original instructions:

I printed in PLA with a 0.5mm nozzle, 0.12mm layer height, 95% fill.

You need:
-- 2x M3x8
-- 3x M3x25
-- 2x M3 nut
-- 2x M3 washer
-- 2x M3x45
-- 2x spring or piece of rubber diesel pipe (see Airtripper's original)
-- M5 pneumatic push-fit adapter
-- 1x 608 bearing for idler

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Have you printed it? seems like the trinity labs 8mm hob is still tight.