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Thread: help！have trouble reading a drawing.

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  1. 03-01-2012, 07:57 AM #1
    dannyxie
    dannyxie is offline Registered
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    help！have trouble reading a drawing.

    recieved a drawing today.
    and there's some markings i don't recognize.
    note：it's a shaft drawing.
    here's the following marks i don't recognize.

    this is a pic i found similar to the one i recieved
    in mine FR is swapped with FG.

    Ra 0.35 rcc/FG and Ra 0.20 ga/FG
    what does rcc and FG stand for?and ga? i know Ra mean roughness extent.

    any help would be appreciated.
    and thanks in advance
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  2. 03-01-2012, 08:14 AM #2
    HorridHenry
    HorridHenry is offline Registered
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    Ra - Rotational Angle
    Fg = Weight of load
    Ga -Gravitational angle

    Can't remember what the RCC was for?
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