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Haas’ DS-30 dual-spindle turning centers are designed to turn both ends of a part in a single setup to minimize part handling, increase throughput and reduce work-in-process. The opposed spindles feature fully synchronized turning for clean part-off and enable on-the-fly part pass-off to reduce cycle times.
The machine has a maximum cutting capacity of 18" × 26" and is equipped with a 12-station hybrid BOT/VDI turret. The main spindle features an 8.3" hydraulic chuck and is powered by a 30-hp vector drive system that provides 275 foot-pounds of torque. The secondary spindle also has an 8.3" hydraulic chuck and is powered by a 20-hp vector drive system that provides 150 foot-pounds of cutting torque. Both spindles turn as fast as 4,000 rpm and have a 2.0" bar capacity. Rapids are 945 ipm on all axes.
The machine also is available in a “Super Speed” configuration (model DS-30SS) with a maximum cutting capacity of 16" × 26" and a 24-station hybrid BOT/VDI turret. The main spindle features an 8.3" hydraulic chuck and is powered by a 30-hp vector drive system that provides 250 foot-pounds of torque. The secondary spindle is identical to that of the DS-30.
Both machines provide a maximum swing of 31.75" over the front apron with a 20.75" swing over the cross-slide. They feature rigid tapping, spindle orientation, a 15" color LCD monitor and a USB port. Options include a belt-type chip conveyor, automatic tool probe, automatic parts catcher and high-pressure coolant systems.
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.