Grade Promotes Precision in Powdered Metal Machining

Sumitomo Electric Carbide’s uncoated BN7500 CBN grade is designed for high-precision, high-efficiency machining of powdered metal in industries such as automotive and agriculture.

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Sumitomo Electric Carbide’s uncoated BN7500 CBN grade is designed for high-precision, high-efficiency machining of powdered metal in industries such as automotive and agriculture. A range of edge preparations are offered for machining sintered alloys of any hardness, and multiple-tip inserts are available. In addition to the standard edge preparation, the grade is available in LF (burr control), LE and LS (surface roughness), and HS (breakage control) for interrupted cutting.

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Toolholders with integrated cutting fluid delivery channels offer threaded, fixed-position nozzles that direct parallel streams of coolant to pre-defined positions at the top of the cutting tool.