RevA/March 2012 www.raytek.com KEY FACTS Industry Camshaft manufacturing Customer’s End Product Automotive engines Process Temperatures 250-925°C/482-1697°F How can the hardening of lobes on a camshaft be measured? Situation and background After a camshaft is machined, the bearing races and cam lobes have to be heat-treated, which is usually done by induction heating. The cam is heat-treated on a single h

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