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August 2007 edition

Breakthrough claimed in taming HRSA

Breakthroughs in techniques for machining heat resistant super alloys (HRSA) are cutting component production time and saving aerospace manufacturers time and money, according to Steve Weston, senior project specialist aerospace, Sandvik Coromant.

"Used mainly, but not exclusively, in the aerospace industry, HRSA such as Inconel 718 are notoriously difficult materials to machine," he explains. "Aircraft engine component manufacturers have long relied on their machine tool and insert suppliers to overcome these challenges."

But: "The biggest challenge is to improve machining productivity in all applications even when faced with interrupted cuts or instability. Excessive burring and degraded component quality are common undesirable outcomes. The challenge is to develop new and improved tech....

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AB Sandvik Coromant Cutting Tools

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