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Spectrum turning inserts from Sandvik Coromant are designed to simplify insert choice for efficiently machining different materials in a variety of cutting conditions. Well-suited for small-batch production, the turning grades and geometries are said to eliminate the need to use several different tools for various jobs.
The versatile inserts are designed to provide reliability, prolonged tool life and chip control in operations including both external and internal machining, rough turning and finishing, and continuous machining and with interrupted cuts, the company says. The grades can be used for turning in steels, stainless steels, HRSA, cast irons, titanium and nonferrous materials.
Two grades are available, the GC15 and the GC30. The GC15 combines high-strength, micro-grain cemented carbide with a thin, PVD coating for edge strength and wear resistance. The GC30 features high bulk toughness with a gradient cemented carbide substrate and a wear- and heat-resistant CVD coating.
Hitting the Coolant Sweet Spot
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.