Mechanical Belt Tightener for Mostly Printed CNC
thingiverse
Addon for Mostly Printed CNC and Mostly Printed CNC, International Edition! For those who want to upgrade their belts beyond zipties, this handy addition provides a sleek solution. Two left and two right pieces need to be printed. The following components are required: - Four M4x20 bolts - Four M4 nuts - Eight M5 bolts with hooks - Eight M5 nuts This (blue) module easily attaches over the existing corner block (white), secured with an M4 screw. No additional adjustments are necessary to your CNC. Exercise caution when tightening belts. Begin with gentle tightening and test your x and y axis movement. As belts rarely stretch, you can stop adjusting once smooth motion is achieved. Testing has been conducted using a corner block from the International Edition, but compatibility is also ensured for standard Mostly Printed CNC/MultiTool designs. Update 2015-05-30: Version 0.2 Upper mount height has been increased by 15mm to match the original zip tie hole. This adjustment prevents any downforce on the roller_f when close to the corner block.
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