An Open Die Forging Process for Minimizing End Losses and a Product Made Using it
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United States of America Patent
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Aug 14, 2015
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Aug 18, 2014
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Abstract
The invention discloses a process of manufacturing heavy and critical components such as a blowout preventer (BOP) with a combination of open die forging, piercing and machining process which results in to better material utilization and saving in the machining time. The forging process of the invention involves a step of notching, wherein a transverse notch is made near each end of the ingot before cogging said ingot. The invention allows development of safety and critical components with effective material utilisation.
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