CBN grooving inserts
WBH20 and WBS10, part of the latest generation of CBN insert grades from Walter, deliver optimum surface quality, high process reliability, and extended tool life in grooving operations on tough materials.
WBH20 grade is well suited for ISO-H materials such as steel and cast iron for hard turning applications. WBS10 is well suited for ISO-S materials, specifically nickel-based (such as Inconel), iron-based (such as Udimet), or cobalt-based (such as Hayens).
WBH20, with 50% CBN content and optimized grain structure, is wear-resistant at medium cutting speed. With a T-land of 0.008" x 20° it was developed to enable components of hard ISO H materials up to 65 HRC, to be grooved efficiently and with low wear during either smooth or interrupted cut.
WBS10 grade was developed for aerospace materials, specifically super alloys from ISO-S materials group. Among other tasks, it excels in grooving materials such as Inconel on engine components, and in the oil, gas, and energy industries, as well as general mechanical engineering.
With its light hone and medium CBN content (65%), this grade is well suited for higher cutting speeds (800sfm to 980sfm) in super alloys such as Inconel 718. Increased production capacity from the same machine to free up machine time, and highly cost-effective operation due to low unit costs are some additional benefits of this grade.
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