METHOD OF DETECTING DEFECTS IN WORK PIECES HAVING CURVED OR CYLINDRICAL SURFACES

METHOD OF DETECTING DEFECTS IN WORK PIECES HAVING CURVED OR CYLINDRICAL SURFACES

A method of detecting defects in workpieces having curved or cylindrical surfaces such as shafts, crankshafts, camshafts, bearings and the like by illuminating the curved or cylindrical surfaces of the workpiece, rotating the workpiece and the curved or cylindrical surfaces about their common axis,...

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1. Verfasser: Hucker, Scott A
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
TESTING
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creator Hucker, Scott A
description A method of detecting defects in workpieces having curved or cylindrical surfaces such as shafts, crankshafts, camshafts, bearings and the like by illuminating the curved or cylindrical surfaces of the workpiece, rotating the workpiece and the curved or cylindrical surfaces about their common axis, recording a plurality of adjacent individual longitudinal elongate images representing discrete circumferentially adjacent, axially extending regions of the curved or cylindrical surfaces of the workpiece, assembling these recorded discrete circumferentially adjacent images into a continuous, coherent planar image, detecting surface irregularities in the continuous, planar image and determining whether such detected irregularities are of a magnitude sufficient to reject the workpiece.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
TESTING
title METHOD OF DETECTING DEFECTS IN WORK PIECES HAVING CURVED OR CYLINDRICAL SURFACES
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