Adjustable Y Axis Tensioner
thingiverse
I designed this adjustable tensioner bracket for my HICTOP 3DP-17 Y-Axis as the stock 'pulley' would not keep the belt on the bearing and would rub (and squeak) no matter how well aligned it was. This design should also work with most 20X20 extruded aluminum frame printers. I purchased the Timing Belt Idler Pulley from Amazon: https://www.amazon.com/gp/product/B01H3FNZ4M To build, use either M3x25 or 6-32 X 1" bolts for the adjustment screws. I designed it for M3 bolts with M3 nuts in the nut traps but didn't have any 25mm long so I just used some 6-32 machine screws I had laying around. The idler pulley will need an M3 X 16 or longer bolt to hold it in. Happy printing!
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