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The Goodway GS-6000 series gravity turning inserts turning center, available from Yama Seiki, combines a high-rigidity boxway bed with slot milling cutters 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.

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