Prusa Y belt tensioner pad

by jpaandu, published

Prusa Y belt tensioner pad by jpaandu Jul 31, 2012


This is an accessory to the Prusa Y-axis belt tensioner here: http://www.thingiverse.com/thing:10274 Some setups also use this tensioning mechanism for the X-axis. The trouble is that if you over-tighten the tensioning M3 bolt (or simply over time) the screw will poke all the way through the timing belt and ruin it. This piece acts like a padding and evenly distributes the tension across the belt surface.

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Print this on your 3D printer with a high fill ratio so that the M3 bolt doesn't bore through the plastic.

I have not built this yet, but will post pictures as soon as I do. Please try it in the meanwhile and let me know what you think.