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Answer to anyone who curious about lubricant the Lead screw
I want to share some answer that prusa told to anyone who curious abour lubricant the Lead screw.
I curious why prusa not suggest to lubricant the lead screw and this is their answer
Lead screw and trapezoidal nut don't need any lubrification. In fact the trapezoidal nut is made of POM, a very low friction plastic. This material is resistant and "self-lubricating" due to the low friction coefficient but grease/lubricant may become sticky.
Also mind that the Z axis is not subject to fast movements, hence wearing and friction should be very little there.
In case of friction opposing the trapezoidal nut rotation, the trapezoidal nut may have been inserted not well aligned and may have deformed as a consequence.
thank you for your interest 🙂
Posted : 05/06/2020 7:21 am