New indexable inserts with coolant channel geometryClick image to enlarge

Walter's new FM5 finishing and RM5 roughing indexable insert geometries deliver optimal cooling, longer tool life, and increased productivity in high temperature alloy and stainless steel machining. says the company.

The new inserts owe their effectiveness, in part, to their "jet guiding geometry," or targeted cooling. Because of special channels pressed in the rake face, the coolant reaches the cutting edge directly, underneath the chip. This targeted cooling maximizes the cooling effect and increases tool life. Chip breaking, too, is optimized. This results in increased productivity and improved workpiece surfaces.

These new indexable inserts feature Walter's Tiger·tec Silver coating with PVD Al2O3 heat shield for maximum tool life. Specifically, three grades feature PVD Al2O3 (WSM10S, WSM20S, WSM30S) and one features CVD (WMP20S).

The design of the cutting edges is also new: Their double positive macro-geometry reduces notch formation and crater wear. Both the RM5  and FM5 geometries achieve their best results in Walter toolholders with integrated precision cooling, as they were designed specifically for these coolant channel geometries. These inserts, with jet guiding geometry can also be used with standard ISO turning toolholders.

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