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Okuma’s Multus U3000 and Multus U4000 general purpose multitasking CNC lathes are intended to reduce setup time, improve accuracy and limit non-cutting time. Designed for long-term rigidity and accuracy, the lathes are capable of efficiently machining difficult materials and process-intensive workpieces, such as those required by the aerospace, oil, energy, medical and construction industries.
Built with Okuma’s thermo-friendly concept, the machines are said to provide long, stable machining accuracy with its thermo-static design and thermal deformation control technology. A rigid traveling column enables flexible CNC machining along the entire Y axis. Tools can be easily loaded from the front of the machine and improved spindle access enables faster setup times. Smooth chip discharge enhances chip flow. According to Okuma, the machines’ Collision Avoidance System reduces keyboard operations by as much as 50 percent and maximizes uptime while preventing crashes.
Multiple bed lengths, optional subspindle and lower turret, and other variations enable customization to application requirements. The machine can be equipped with Machining Navi, which is designed to maximize tool performance by choosing the optimal speed(s) for reducing chatter.
Editor PickRobotic Cell Cuts Cycle Time, Improves Part Quality
Sew-Eurodrive Inc. worked with Okuma America’s authorized systems dealer, Gosiger Automation, to design an automated cell that includes an automatic, magazine bar feeder that loads 6-ft. lengths of barstock into the machine. The shop also switched to an Okuma twin spindle, twin turret turning center so all of the machining operations are completed in one setup, thus eliminating additional fixtures and operator intervention. The resultant system reduces cycle times and requires much less operator involvement. As a result, production time per part was more than cut in half – from about 5 minutes to 2 minutes, 20 seconds.