From Automation and Metrology, Inc.
In some special cases, a little gaging time can be saved by putting the Go and NoGo diameters on a single gage member. A progressive plug, for example, is suitable for checking a short hole, which is open at both ends. Obviously, the hole cannot be deeper than the Go section of the plug.
Progressive style gages are usually in the taperlock style, but any of the designs can be made progressive.
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Topics of Interest
The taperlock gage is so-called because of the tapered shank, which locks into the tapered hole in the end of the handle. It is the time honored standard of the American Gage Design Committee, for...
GO-NO GO GAGES The concept of Go-No Go gaging is so simple in its logic that it has been known to delight philosophers. For them, a Go-No Go situation is the very rare case where there are only two...
Now, let us look at the alternate design for cylindrical plug gages. The reversible plug gage was more recently introduced and standardized, after it became possible to reach the necessary precision...
Go gages provide a precision tool for production comparative gaging based on a fixed limit. Go gages consist of a fixed limit gage with a gaging limit based on the plus or minus tolerances of the...
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