H.B. Carbide Grade Improves Edge Security in High-Temperature Applications
H.B. Carbide Co. introduces the HB-710 grade for the machining of high-temperature materials, increasing edge line security and resistance.
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Hwacheon Machinery America, Inc.
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View MoreH.B. Carbide Co.’s HB-710 grade is designed for extended cutting-edge wear in machining of high temperature, nickel-based alloy and stainless-steel materials.
HB-710 has been developed to provide increased performance in milling and drilling of difficult-to-machine aerospace and medical applications. The grade has been engineered for an optimal balance between toughness and hardness in order to achieve high degrees of edge-line security and resistance to corner and micro chipping, two common modes of tool failure in these applications.
Selecting the appropriate carbide grade for machining high-temperature aerospace alloys involves considering several key factors related to the material properties and machining conditions.
“Technically speaking, it’s about the ideal blend of toughness and wear resistance through optimized grain size and distribution of binder and additives,” says Jon Wyniemko, director of sales for H.B. Carbide. “The result landed in the sweet spot between toughness and hardness that provides long and predictable tool life in these materials.”
Additionally, the submicron grain size and medium-low cobalt content of HB-710 are well suited for grinding to produce the desired cutting-edge geometries.
“Avoiding inconsistent performance and breakage, which can damage components in late stages of machining, eliminates scrap, downtime and the massive expense that goes along with that,” says Wyniemko. “A grade with this range of machining characteristics goes a long way to enable quality and boost confidence.”
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