Walter USA has added four cutting tool insert geometries to its Tiger-tec Silver for turning family. The insert geometries include the RP5 for roughing, MP5 for medium machining, MP3 for low-carbon steels and the FP5 for finishing.
The RP5 is capable of roughing with a high depth of cut and feed rate. Its positive three-degree chamfer reduces power requirements, and a deep and wide chipbreaker groove maintains low cutting temperature to reduce wear, the company says. A wider chamfer in the center region of the main cutting edge prevents chipping when machining as-cast or as-forged components.
The MP5 geometry is designed for general steel machining and features a three-center curve cutting edge and reinforced chip-breaker blades. The MP3 geometry is intended for medium machining on long chip-forming steels such as low-carbon and forging steels. Spherical surface features in the chip breaker give the chips greater rigidity for better chip breaking. The FP5 for finishing operations and light cuts features a double-V chip breaker for turning operations from 0.008" depth of cut.
Tooling options have been limited for small spindle milling applications. Now modular, indexable systems are available that provide broad flexibility to get the right cutter for the job with less inventory and at lower cost.
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