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Thread: Tolerance stack up for Interferance fit.

  1. #1
    Associate Engineer
    Join Date
    Dec 2012
    Posts
    1

    Question Tolerance stack up for Interferance fit.

    Hi All,

    This is Shrinivas from Pune, India.

    I have one query about the Boundary Assembly Stackup..

    Can we apply the Boundary Assembly Stackup to the interference fits joints with using the same rule for the clearance fit?

    (Asking as getting the calculation values negative)

    Thanks & Regards
    Shrinivas Jayphalkar

  2. #2
    Administrator Kelly Bramble's Avatar
    Join Date
    Feb 2011
    Location
    Bold Springs, GA
    Posts
    2,066
    The procedure to temper your material is nonmaterial.
    Specify the materials end temper and other characteristics that you need in your end item and let manufacturing worry about how to get there.
    No, there should not be any offset or clearance to account for between the interference fit components. The clearance variable is zero.

    Also, the nominal sizes of the mating interference components ~ could be declared line-to-line if you choose to not see the negative fit number.

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