Geometrical instruments – Area integrators – Electrical
Patent
1983-03-14
1984-12-25
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33174L, 33178E, G01B 700
Patent
active
044894970
ABSTRACT:
Disclosed is a groove measuring gauge. The gauge has a centering headpiece and centering tailpiece for supporting a die or other workpiece mounted upon an arbor. Two guideways are used to position a gauge head near the workpiece containing the groove being measured. The gauge head has a spindle rotatably mounted therein. The spindle includes a measuring arm which extends from an interior cavity in the spindle. The measuring arm is pivotably mounted in the spindle. The exposed end of the measuring arm contacts the inside surfaces of the groove. A micrometer is mounted upon the spindle and connected to the enclosed end of the measuring arm. As the measuring arm pivots the micrometer measures the distance from the spindle axis to the surface of the groove. The spindle is preferably automatically moved to angular positions by a stepping motor. Micrometer readings are taken at each position and the profile of the groove is determined from these measurements. The die or workpiece can be rotated by the centering headpiece to allow the groove shape to be measured at a number of different cross-sectional locations about the periphery of a circular die or other workpiece. The groove measuring gauge is preferably connected to a computer control and data storage system for automatically positioning the gauge and automatically recording the groove measurements.
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Cady A. Bruce
Schemel John H.
Haroian Harry N.
Sandvik Special Metals Corp.
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