An object for testing false crash detections on Y-axis
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Simple cylinder that puts a strain on Y-Axis stepper resulting in false crashes detected when printed in enclosure
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- Printables
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- Other Printer Parts & Upgrades
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- Creative Commons — Attribution
This is a simple model of cylinder that prints using 0.05mm layer height and Prusament PETG temperature settings. When printed in enclosure (I'm using Prusa Box aka Printer Box) at 125% speed, MK3S+ detects a lot of false crashes as discussed here
Adding a bunch of thermal imagery I took along the way. It appears steppers are doing fine, but Einsy is really hot (almost 60C) with the temperature in enclosure around 35-37 degrees. Throwing a fan on Einsy reduces the frequency of crashes from every 3 minutes to about every 9-10, but does not eliminate them.
Lubricating axes, loosening and re-tightening Y-Axis rails while hot, making sure the belts are tight, and putting shims on the Y-Axis roller seem to do the job though.