this post was submitted on 03 Jun 2024
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I am curious how often do you service the linear rails on the 3D-printer:

  • How often do you lubricate them (MGN9 or MGN12)?
  • How do you lubricate them?
  • What volume of lube do you use?

Explanation of how often you should do it (HIWIN Lubricating instructions for linear guideways and ballscrews)

Most 3D-printer use MGN12. Reading the HIWIN documentation they shall be lubricated every 20-50km (depends on a lot of factors).

How much is 50km in print time? Assuming an average speed of 300mm/s that would be approx. 46 hours!

In other words, the generic MGN12H carriage needs 1-2 times per week maintenance.

How much lube is suggested (horizontal mounting)? 70µL for MGN12H. For MGN9H it is 30µL!

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[–] h3mlocke@lemm.ee 1 points 5 months ago

Wouldn't you like to know 😉