Air bearings for z-axis

All good things Forums Morgan Builders forum Air bearings for z-axis

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    • #1127
      RobertKuhlmann
      Participant

      I’ve posted a blueprint for air bearings for Morgan’s z-axis in my personal Morgan project: http://reprap.org/wiki/User:RobertKuhlmann/RepRap_Morgan#Air_bearings

      I have not tested this concept but it looks promising. Ideas and comments are welcome.

      Morgan z-axis with air bearings

    • #1128
      Quentin Harley
      Keymaster

      Looks interesting.

      Regardless if the air bearings work or not, you may have stumbled on something that I considered some time ago, but forgot about again.

      Thanks for reminding me!

    • #1130
      RobertKuhlmann
      Participant

      Today is a good day to work on my real Morgan. So I’ll leave the concept at that state and test it with my own printed parts.

      But the aluminum-rails are here already and their were very cheap (1,45€/m).

      Will you tell me, what my concept reminded you of?

    • #1132
      Quentin Harley
      Keymaster

      I experimented with using angle bar and teflon sliders – wasn’t very effective, but it could work with bearing wheels.

      Since all of the weight of the bed is to the one side, you only need weight carrying bearings on one side, and flexible ones on the other side

    • #1133
      RobertKuhlmann
      Participant

      Since all of the weight of the bed is to the one side, you only need weight carrying bearings on one side, and flexible ones on the other side

      Sorry, it’s late. I didn’t get that. What “sides” are you talking about exactly?

    • #1136
      Quentin Harley
      Keymaster
    • #1140
      RobertKuhlmann
      Participant

      Ah. Okay. I didn’t get it first, because that wouldn’t (shouldn’t) matter with my air-bearings. I’d like to avoid direct contact to the axis at all. 😉

    • #1371
      RobertKuhlmann
      Participant

      This is the heart of the compressor for the air-bearings:
      screw-compressor screws

      The z-axis air-bearings will use two aluminum-profiles per side:
      air-bearing rail construction

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