Saturday, March 8, 2014

Forged Crankshaft - Materials and Process


Crankshaft Machining Process - Balu Crankshafts
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Kobe Steel develops new forging method for built-up crankshafts used in ship engines - 2013
http://www.kobelco.co.jp/english/releases/2013/1188623_13522.html


A steel ingot is heated in an oven to about 2,200 degrees F amd is then placed in a forging die and squeezed into the approximate shape of the desired crank profile. This “squeezing” is performed either by a hammering or pressing process.

http://www.precisionenginetech.com/tech-explained/2009/06/02/forged-crankshaft-tech-part-1/
http://www.precisionenginetech.com/tech-explained/2009/06/02/forged-crankshaft-tech-part-2/

http://www.thyssenkrupp-forginggroup.com/language-gb/produkte/geschmiedete_kurbelwellen.htm

Corus steel for crankshafts
http://www.tatasteeleurope.com/file_source/StaticFiles/Business%20Units/Engineering%20steels/Automotive%20Components.pdf