High-Strength Grade For Steel Turning

Valenite LLC has introduced an addition to its ValTurn Turning System with the development of the steel machining VP5535 grade. These new tools feature cutting edge toughness, provided by a cobalt-enriched surface layer--backed by a high-strength, fine-grain substrate core that resists plastic deformation--to deliver enhanced productivity performance at high speeds in a P30 to P40 range of rough turning applications of steel and stainless steels. The grade features a MTCVD coating of TiCN/Al3O2/TiN for wear resistance, thermal protection and stability, along with a polished edge to minimize cutting edge buildup.

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Valenite LLC has introduced an addition to its ValTurn Turning System with the development of the steel machining VP5535 grade. These new tools feature cutting edge toughness, provided by a cobalt-enriched surface layer--backed by a high-strength, fine-grain substrate core that resists plastic deformation--to deliver enhanced productivity performance at high speeds in a P30 to P40 range of rough turning applications of steel and stainless steels. The grade features a MTCVD coating of TiCN/Al3O2/TiN for wear resistance, thermal protection and stability, along with a polished edge to minimize cutting edge buildup. The tools perform equally well for continuous or interrupted cuts and in wet or dry applications and provide easy recognition of worn edges to facilitate indexing procedures, the company says.

The grade complements the existing VP5515 and VP5525, providing users with a range of options that focus on application-specific needs, from fine finishing to general purpose to heavy roughing operations of steel and stainless steel.

The company offers more than 150 individual insert configurations in the VP5535 grade, including a variety of diamond shapes as well as square, triangle and trigon shapes, plus tolerance class and relief angle options. Chipbreaker geometries include six different ISO negative double-sided styles: F2, M3, M5, M8, R3 and R4; ISO negative single-sided geometry R6; ISO positive geometry PM2; and a complementary positive/negative C5 design.