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Thread: Flatness and surface finish spec

  1. #1
    Associate Engineer
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    Mar 2023
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    :bash: Flatness and surface finish spec

    Image attachment failed - reattach

    In Detail A view, Im installing a hyd. motor in a welded plate and the install guide calls for flatness but what does "S" mean in regards to the tolerance.

    Same for the surface finish. Im not sure what "V" means for the average roughness.

    Thanks
    Last edited by Kelly_Bramble; 03-20-2023 at 12:07 PM.

  2. #2

  3. #3
    Technical Fellow Kelly_Bramble's Avatar
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    Feb 2011
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    Bold Springs, GA
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    My guess... is that somewhere on the engineering drawing there is a note, table or reference document that defines "S" as well as V, U and M.
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

  4. #4
    Associate Engineer
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    Mar 2023
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    Thanks, I did find it in a separate guide.

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