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helical spring nomenclature

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Helical Spring Compression Nomenclature d – wire diameter D – mean diameter of spring = ( ) /2 O i D D + i F - spring preload i y - spring deflection under preload i F i L - spring length under preload i F op- max F - maximum operating force op- max y - maximum operating deflection under maximum operating force op- max F op- max L - spring length under maximum operating force op- max F s F - force required to produce solid spring (all coils touching) s y - solid spring displacement under force s F s L - solid spring length clash y - difference between s y and op- max y O D i D f L p d i F i y i L op-max F op-max L op-max y op y clash y s y s F s L Helical compression spring (no load) at free length Helical compression spring with a preload Helical compression spring at maximum operating load Helical compression spring at solid height (to be avoided)

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HELICAL SPRING

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  • Helical Spring Compression

    Nomenclature d wire diameter D mean diameter of spring = ( ) / 2O iD D+

    iF - spring preload

    iy - spring deflection under preload iF

    iL - spring length under preload iF

    op-maxF - maximum operating force

    op-maxy - maximum operating deflection under maximum operating force op-maxF

    op-maxL - spring length under maximum operating force op-maxF

    sF - force required to produce solid spring (all coils touching)

    sy - solid spring displacement under force sF

    sL - solid spring length

    clashy - difference between sy and op-maxy

    OD iD

    fL

    p

    d

    iF iy

    iL

    op-maxF

    op-maxL

    op-maxy

    opy

    clashy

    sysF

    sL

    Helical compression spring (no load) at free length

    Helical compression spring with a preload

    Helical compress ion spring at maximum operating load

    Helical compression spring at solid height (to be avoided)

    Helical Spring CompressionNomenclature


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