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Product Focus 54 MoldMaking Technology November 2014 5-Axis VMC Delivers Accuracy, High Productivity for Moldmaking The MU-6300V vertical machining center from Okuma is designed for high accuracy and productivity for multi-sided machining, making it well-suited for moldmaking and other industries requiring full five-axis capabilities. The VMC features a rigid and accurate double-column structure that supports a +90/-120-degree trunnion table. The center of gravity of the trunnion table and therefore the workpiece is low, enabling both heavy-duty cutting and high-speed finishing. The table also enables accurate positioning for simultaneous five-axis cutting. The machine also comes equipped with the company's Super-NURBS, enabling high feed rates with ultrafine finishes, reducing the need to hand-polish molds and therefore increasing productivity. According to Okuma, the MU-6300V can be adapted for use with automatic pallet changers, multiple automatic toolchangers, automation or flexible manufacturing systems, without compromising operability, because such expansion takes place at the back of the machine. Built with the company's "Thermo-Friendly Concept," the machining center is designed to perform consistently from the first to the last part, regardless of warm-up time or ambient temperatures. The MU-6300V offers XYZ travels of 1,450 x 1,050 x 600 mm (57" x 41.3" x 23.6") and a 360-degree C axis. Rapid traverse is 50 m/min. (1,968 ipm) in X, Y and Z, and rapid A/C is 30/90 rpm. Maximum load is 600 kg. (1,320 lbs). Optional features include a collision avoidance system, machining navigation and a five-axis automatic tuning system. Okuma America Corp. / 704-588-7000 / okuma.com