Snap Gage
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In machine shop, tool room, metrology, and manufacturing practice, a Snap Gage, is a limit gage with permanently or temporarily fixed measurement aperture which is used to quickly verify whether an outside dimension of a part matches a preset dimension or falls within predefined tolerances.The surfaces which define the edges of the aperture are the anvils, which may be made of separate pieces of hard material such as Tungsten Carbide for wear resistance. Two apertures...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In machine shop, tool room, metrology, and manufacturing practice, a Snap Gage, is a limit gage with permanently or temporarily fixed measurement aperture which is used to quickly verify whether an outside dimension of a part matches a preset dimension or falls within predefined tolerances.The surfaces which define the edges of the aperture are the anvils, which may be made of separate pieces of hard material such as Tungsten Carbide for wear resistance. Two apertures are frequently used to provide GoNo-Go testing and are often arranged such that a part being measured can pass through the two apertures in sequence; a part that is within tolerance will pass through the first maximum size limit aperture but will not be able to pass through the minimum size limit aperture. A snap gauge usually has a "C" shaped frame with the aperature at the opening of the "C".
