The aluminium body of the toolholders has low mass, resulting in reduced energy consumption during acceleration and deceleration. Weighing less than a steel milling cutter, users can expect faster spindle speed changes and, subsequently, highly dynamic machining as well as less wear on the spindle at high speeds. Additionally, the cutter body features a protective hard coating to prevent wear caused by chip impact.
Horn’s arbour milling cutter bodies have diameters between 40 and 125 mm, and from four to eight effective cutting edges.
All body versions feature an internal coolant supply. The system is used for high-speed milling up to a maximum cutting speed of 5,000 m/min.
Inserts are available from stock in several diamond materials and a variety of geometries, making it possible to obtain a cost-effective alternative to brazed face-milling systems. Chipbreaker geometries reduce chip volume and increase process reliability.
Inserts are available with a PCD or CVD-D coating. PCD grade PD75 is a useful all-rounder for aluminium machining applications. Horn recommends substrate PD70 for alloys with a high silicon content. The substrate HD08 (CVD-D) is used for highly abrasive materials. CVD-D consists of 99.9% diamond to help maximise wear resistance. All material versions are available in a range of different geometries to suit the application.
