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Thread: Surface Finish: RMA & RMS

  1. 05-27-2021, 08:46 PM #1
    Chloe011
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    Surface Finish: RMA & RMS

    Hi All, is RMA same as RMS?
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  2. 05-27-2021, 10:37 PM #2
    Kelly_Bramble
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    Similar,

    Ra = Roughness Average

    RMS = Root Mean Square

    Math is different but get you similar.
    Tell me and I forget. Teach me and I remember. Involve me and I learn.
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  3. 05-28-2021, 05:51 AM #3
    Chloe011
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    Thank you 😊
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