Method and system for real-time statistical process monitoring

Details Method and system for real-time statistical process monitoring Method and system for real-time statistical process monitoring

1992-12-14

1994-05-17

Jones, David

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 3, 72 21, 364552, B21D 501, G06F 1546

Patent

active

053117590

ABSTRACT:
Method and system for monitoring the operation of a stamping press preferably for forming automobile parts, such as fenders and quarter panels, based on a plurality of features extracted from a press signature. The method includes defining the plurality of features, each feature representing a parameter associated with the process of forming the parts, and operating the stamping press so as to produce a predetermined number of production parts while collecting a production operating signature. The method also includes extracting the feature values from the production operating signature to obtain production feature values, and comparing the production feature values to predetermined operating limits which represent limits within which acceptable parts are formed.

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