Ender 3 Y axis linear guide upgrade
thingiverse
This is an upgrade of the Y-axis to Ender 3. I opted for a MGN15H 300mm linear guide for enhanced bed stability. Check out this upgraded linear guide on Aliexpress: https://www.aliexpress.com/item/32806622073.html?spm=a2g0s.9042311.0.0.45374c4d7UTpir To drill holes for the MGN block, I used a custom-made drill template. The stepper motor holder and belt tensioner are designed to keep the belt in perfect alignment with the plate. The stepper motor holder is crafted from ABS for added temperature resistance. The belt tensioner is constructed from PLA. The guide rollers consist of two parts (PLA) with an original bearing wheel inserted inside. These components are secured together using glue. I utilized one steel guide pulley from the original belt tensioner, along with two plastic spacers. The belt length must be increased; the original belt cannot be used. The limit switch holder remained unchanged.
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