Duratomic Cutting Tool Insert Grades Provide More Wear Resistance

Originally titled 'Cutting Tool Insert Grades Provide More Wear Resistance'

The three grades’ application areas overlap, resulting in a seamless progression from inserts engineered for general applications at moderate cutting speeds to tools that permit optimization with higher parameters, the company says.

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Seco Tools’s Duratomic cutting tool insert grades TP2501, TP1501 and TP0501 combine advanced chemical-vapor deposition (CVD) aluminum-oxide coatings with specifically developed compositions of the tools’ carbide substrates and cobalt-enriched zones, making the inserts tougher and more wear-resistant than their predecessors, the company says. Plus, the three grades’ application areas overlap, resulting in a seamless progression from inserts engineered for general applications at moderate cutting speeds to tools that permit optimization with higher parameters, the company says.

In testing, the grades provided increases in cutting speeds of 20 percent to 30 percent, while maintaining reliable tool life. For shops that lack the machine capability to handle increased machining parameters, the grades can improve tool life by more than 20 percent.

Also, inserts made from the TP grades incorporate a used-edge detection technology that allows operators to spot used insert edges. The insert surfaces feature an approximate 0.1-micron-thick chrome-colored PVD coating. Black aluminum oxide showing through the chrome-colored coating helps users to identify used insert edges. The grades are available in a selection of geometries, for both roughing and finishing.