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The Goodway GS-6000 series turning center, available from Yama Seiki, combines a high-rigidity boxway bed with large-diameter servo indexing turret and a two-step gear-spindle structure. Three models are available, with maximum turning lengths of 950, 1,980 and 3,300 mm (37.40", 77.95" and 129.92"). Multiple operations, including turning, milling, drilling and tapping, can be performed on a workpiece with available live tooling and C-axis capabilities.
The machine features a turret disk measuring more than 750 mm in diameter and a 45-degree slant bed with wide boxways. X- and Z-axis rapids are 787 and 944 ipm, respectively. According to Yama Seiki, the turning center provides 0.5-sec. indexing times from station to station and 1.5-sec. times for stations at 180 degrees. The two-speed headstock is driven by a 50-hp FANUC motor. Fully enclosed protection covers isolate chips and coolant inside the machine.
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.