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This compact and high-precision linear actuator is designed around common 3D printing hardware. It combines a Nema 14 stepper motor, an MGN7H linear rail, a trapezoidal leadscrew with nut and a coupler to deliver accurate, repeatable…
Printed in ABS, adapt to different shrink for PLA etc. Snug fit can be fastened with M2 8mm screw at hole position. I provide the STEP as usual.
7mm linear rail mgn7h carriage servo motor mount with all holes
Same MGN7H X Carriage Mount but with an X endstop and smaller belt tolerances
Be sure to use a good slide in adapter to fit MGN7 rails in 2020 extrusions, I used this one and it worked great: https://www.printables.com/model/820358-mgn7-2020-mount-with-alignment-tool/files
Print with standard voron settings(5top/bottom, 4 walls)
Carriage can be slide on/off from one side. Print the carriage holder with the length parallel to your z axis and a small brim (~2 mm) for adhesion, if needed. So long as you don't have too much blobbing before and after extrusions on…
