Wednesday, June 23, 2010

Definition of Bore Gauges

What A Bore Gauge will Check?

Dial bore gauges allow rapid and accurate checking of bores for: size, ovality, taper and wear within a deep bore.

Simple Checks

To inspect a bore merely for out-of-roundness, taper and other variations of shape, or wear, without using a master, set the indicator to zero at one position in the bore and then take readings at other positions.

Checking Variation To a Known Size

The gauge can be set in a bore of known diameter, preferably a ring gauge of the size to be checked. With care, the gauge can be set by outside micrometers or by slip gauges in a holder. Remember that unlike a bore, micrometers and slip gauges have flat faces, and the setting must therefore be square to these faces.

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