Three Piece Crankshaft Die Set

Discussion in 'Motors Forum' started by Jim Allen, May 28, 2019.

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  1. May 28, 2019 #1

    Jim Allen

    Jim Allen

    Jim Allen

    Well-Known Member

    Joined:
    Jun 7, 2005
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    1,486
    Location:
    Graham, NC
    This die set will be used to disassemble & assemble three piece crankshafts. It will give an accuracy of total runout from end to end of + or - .0005"; providing the crankpin holes are square to one another. Final trueing of the crankshaft will be done in a four jaw chuck to a total runout of + or - .0001". I true the full diameter crankshafts to this tolerance because it is mounted between 4 bearings, two on each side. Alignment of the four bearings is checked with a precision ground hardened shaft shown in the first photo.

    Jim Allen
     

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  2. May 30, 2019 #2

    brad nichols

    brad nichols

    brad nichols

    Well-Known Member

    Joined:
    May 10, 2010
    Messages:
    2,219
    Nice!!
    Brad
     

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