Method of eliminating the heat-affected zone in a welded article

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United States of America Patent

PATENT NO 9254518
SERIAL NO

14816026

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Abstract

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A method of manufacturing a crankshaft comprising providing two parts, each part comprising two webs, a portion of a crank journal and a portion of a main journal, welding the two portions of the crank journal together, heating the crank journal, inserting a shim between the webs, and upset forging to reduce the length of the crank journal to form a forged segment. Alternatively, the portions of the main journal may be welded, heated, shimmed, and forged to form a forged segment. The crankshaft may be lengthened by adding additional parts or forged segments using the same steps. A production line for carrying out this method when producing a crankshaft with n number of crank journals, where n is an even integer.

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Patent Owner(s)

Patent OwnerAddress
MILICEVIC DUSANDARIEN IL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Milicevic, Dusan Darien, US 2 1

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