Ultrasonic composites machining

DMG Mori Seiki has launched a new line of machining centers for composites that employ ultrasonic cutting tools.

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DMG Mori Seiki (Leonberg, Germany) has launched a new line of machining centers for composites that employ ultrasonic cutting tools. Under this technology, traditional tool rotation is enhanced with an oscillating movement in the longitudinal direction by means of a patented kinematic inductive actuator system. This technology, says the company, helps reduce by up to 40 percent the forces acting on the composite material. This is said to produce clean edges and prevent fiber tearing and delamination. In addition,the company says the ultrasonic technology enables feed rates of more than 12m/min (39.4 fit/min) and helps increase the service life of solid carbide tools to more than 600m/1,969 ft. The ultrasonic technology is available in three DMG Mori Seiki machining centers: ULTRASONIC 85, ULTRASONIC 260 and ULTRASONIC 360. The primary factor distinguishing one machine from the others is x-axis travel, which is, respectively, 850 mm; 2,600 mm; and 3,600 mm (33.5 inches; 102 inches; and 142 inches).