Stepper motor upgrade


Stepper motor upgrade

I have a Prusa i3 and I’m going through a reconstruction phase. I completely changed the design and now fully reconstructed I ran across a problem with the heat bed attached to the z-axis this configuration seem to have damaged the stepper motors. Does anyone know of a stepper motor that will be powerful enough to handle the strain and drive the heat bed and carriage during prints? The weight of the carriage is approximately 3-5lbs. and I was using the NEMA 17 motor that came stock with the Prusa i3. Below is an image of my current setup.

Any help or Ideas would be great. Thanks Makers!



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