Bowden extruder - pneufit adapter backlash / oozing reduction ring

Bowden extruder - pneufit adapter backlash / oozing reduction ring

Description

In My Printrbot Jr. Bowden Setup (Http://Www.Thingiverse.Com/Thing:90335) I Used Pneufit Adapters To Connect The Pfte Cable. However, I Noticed That Especially During Higher Extrusion Speeds, The Pneufit Adapters Extend (See Pictures). Increasing The Effective Cable Length A Few Mm'S, Which Causes Backlash / Oozing. This Ring Pre-Tensions The Pneufit Adapter Reducing The Extrusion Backlash / Oozing Effects.

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