Airtripper's Bowden Extruder - BI Edition

by Boots_Industries, published

Airtripper's Bowden Extruder - BI Edition by Boots_Industries Feb 18, 2013
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Obsolete - New Version Available

We modified Airtripper's original extruder for our version of the Rostock printer. Our goal was to reduce the footprint while maintaining the same functionality.

Looking for a printer? Our Rostock BI V2.0 is coming early December!
Follow us on twitter @BootsIndustries

Modifications include:
-Removed the motor shaft support
-Remove the need for idler body strut
-Modified tensionner for self attachment
-Added a 4 mm OD tube adaptor
-Elongated the filament guide tunnel
-Modified mounting holes for M3

We are working on additional modifications that will be posted soon. -BI


Sketchup model and .stl files are included.

We recommend printing your extruder in PLA or ABS with an infill > 40%.

The picture shows a part printed in PLA 1.75 mm.

1 x NEMA 17 Motor
1 X 608 [8 x 22 x 7] Ball Bearing
1 X 5mm Plain Insert (Nema 17 Shaft)
2 X M4 30 mm (Tensionner Screws)
2 X M4 Hex nut (Tensionner Screws)
2 X M3 20 mm (Nema 17 Screw)
4 X M3 Washer (Nema 17 Screw + mounting)
1 X M3 6 mm Flat Head Socket Cap Screw (Nema 17 Screw)
2 X M3 (any length) (Secure extruder to mounting surface)
1 X M10 Nylon Lock Nut (Secure 4OD Teflon tube Adapter)

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Who's hobbed bolt/gear is that?

They are from a store in Europe that is called Conrad, but they don't ship to North America. I get mine from a guy that lives there. I might offer them on my website (http://bootsindustries.combootsindustries.com) when it's back online.