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!

  • EmilieEvans@lemmy.mlOP
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    5 months ago

    Printers are pushing significantly faster acceleration these days with upto 50k mm^2/s and 1m/s is already real.

    • B0rax@feddit.de
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      5 months ago

      Which hotend do you use to push >100 mm^3/s?

      Lets be real here, a bambulab x1c which is currently considered high speed for >95% of users (which you are asking for here), has a maximum flow rate of 22 mm^3/s which limits it to about 250mm/s for 0.2mm layer height.

      • EmilieEvans@lemmy.mlOP
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        5 months ago

        has a maximum flow rate of 22 mm^3/s which limits it to about 250mm/s for 0.2mm layer height.

        Divide the number by 5 which would be roughly every 100 print hour or two weeks of printing.