New Chipbreaker Designs For Turning Applications

Valenite has added applications for its ValTurn turning system with four new chipbreaker geometries--a total of 46 insert styles--to its lineup of turning inserts. The new geometries include a positive/negative form for general-purpose turning, round inserts for roughing and interrupted cuts and two wiper geometries for high speed finishing as well as high-feed operations. The positive/negative and round chipbreaker styles are offered in coated grades, while the two wiper geometries are available in three grades.

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Valenite has added applications for its ValTurn turning system with four new chipbreaker geometries--a total of 46 insert styles--to its lineup of turning inserts. The new geometries include a positive/negative form for general-purpose turning, round inserts for roughing and interrupted cuts and two wiper geometries for high speed finishing as well as high-feed operations. The positive/negative and round chipbreaker styles are offered in coated grades, while the two wiper geometries are available in three grades.

The selection of inserts is further refined to application-specific requirements with a variety of shapes offered including various diamond forms, square, triangular and trigon geometries in addition to the round inserts, plus inscribed circle diameters and thickness options. The new top form chipbreakers include: C5 designation, which features a positive axial and radial cutting edge, has an open chip groove design and is double-sided positive/negative configured; RN5 designation, which is said to be designed on double-sided round tools that present a tough cutting surface with excellent chipbreaking and evacuation control at high feed rates; WN3 designation, which is a double-edged wiper that develops excellent chip control at low depths of cut, according to the company; and WN5 designation, a more robust wiper insert than the WN3, with stronger design, strength and increased impact-resistance to allow for light semi-finishing in addition to finishing applications.