Ceramic Grades for Super Alloy Turning Operations

The WIX10 and WWS20 complementary ceramic grades from Walter are designed for turning high-temperature super alloys such as Inconel, Waspaloy, Stellite and other heat-resistant materials that can create create greater stresses and increased wear in carbide tools.

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The WIX10 and WWS20 complementary ceramic grades from Walter are designed for turning high-temperature super alloys such as Inconel, Waspaloy, Stellite and other heat-resistant materials that can create create greater stresses and increased wear in carbide tools. The two grades are silicon-nitride-based, with the WIS10 grade consisting of Sialon ceramic and the WWS20 with silicon-carbide whiskers.

 

The WIS10 grade features a self-reinforced structure of silicon nitride ceramic and enhanced chemical stability for notch wear resistance. The grade can be used in applications ranging from light roughing to semi-finishing operations.

 

The WWS20 features silicon carbide whisker fibers to better resist fractures. It is designed for turning forged or cast out-of-round workpieces with uneven surfaces or heavy interruptions. The grade is also suitable for use with the high-feed rates required when removing large amounts of material, and for turning hardened steel.

 

Walter offers both indexable ceramic turning inserts in the negative basic shapes C, D, R and S, and positive basic shape inserts in RC and RP format. All are available with different cutting edge designs. Toolholders with carbide shoes and clamping systems are also available for turning, and can accommodate cutting speeds as fast as 1,350 sfm.

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