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Carbide inserts,CNC Turning Inserts,Lathe Inserts ([info]gabrielbro) wrote,
@ 2023-12-25 08:01:00

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Gear Manufacturer Gains Efficiency With Tool Management System

Why are cutting tools coated? Most would say it is to protect the tool. That answer is true as far as it goes, but the function of the coating is more varied and more specific than that. In this video, I get to talk about coatings with Julius Schoop, Ph.D., machining expert with the Cincinnati-based manufacturing consulting firm TechSolve. (Actually, he is now formerly with TechSolve—he accepted a university slot milling cutters professor position while this video was in production.)

In particular, Dr. Schoop and I focus on the difference between physical vapor deposition (PVD) and chemical vapor deposition (CVD) bar peeling inserts coatings. PVD is a line-of-sight process allowing for a thinner coating and therefore a sharper edge. CVD produces a thicker coating more effective as a thermal barrier.

The machining footage in this video shows the difference as we experiment with different coatings in both roughing and finishing passes in 4140 steel. Choosing the right coating for the cut can have a dramatic effect on the performance of the process.

The Cemented Carbide Blog: central and intermediate Inserts

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