Method of identifying defective roll on a strip processing line

A defective roll in a strip processing line, e.g. an aluminum alloy strip cleaning line, may create an undesirable mark on the strip material. Where a plurality of rolls are in use, the defective roll is identified by providing a downstream inspection station which includes a data processor. When a...

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Bibliographische Detailangaben
1. Verfasser:	LAGACE HELENE P
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MEASURING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PHYSICS PUNCHING METAL ROLLING OF METAL TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A defective roll in a strip processing line, e.g. an aluminum alloy strip cleaning line, may create an undesirable mark on the strip material. Where a plurality of rolls are in use, the defective roll is identified by providing a downstream inspection station which includes a data processor. When a mark on the strip passes the inspection station, the processor is activated whereby the rolls go through a timed opening and closing sequence. During this sequence, if no mark is observed on the strip at the time when a repeat of the mark would be expected, the lapsed time is compared to a data base and the defective roll is thereby identified.