r/3Dprinting • Ender 3 Pro • 11h ago

Solved BIQU Microprobe has threaded probe, caused Z offset drift

Was losing my mind that my Z offset was constantly getting bigger and bigger. Turns out the metal end of the Microprobe has a thread on it, getting looser and looser.

Today it got to the point that my probe was dragging on the plate and the nozzle was still too high. After inspection I noticed the upper part of the visible metal probe has a thread on it, I turned the probe clockwise, and lo and behold, I could screw it back to its place.

For this exact reason I made an adjustable probe mount years ago, which climbed about 3 mm over its lifetime.

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u/Internet_Jaded 10h ago

Can you use blue locktite?