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The Nakamura-Tome WY-250 multi-tasking turn/mill center features an opposed two-spindle, two-turret construction with upper and lower Y-axis capability for milling and drilling simultaneously on both turrets. It also has a Super Mill drivetrain that produces high horsepower and torque for milling speeds to 6,000 rpm. The turn/mill center includes 25-hp and 20-hp (left and right) spindle motors with Super Mill drivetrain milling motors on the upper and lower turrets, offering 10 hp (40 Nm). In addition, a 60-degree slant bed offers access to the work and tooling. The machine is suited for a broad range of applications, including diversified, small-lot production to mass production.
The system includes 24 rotating, milling tool stations. Two 12-station turrets with half-index capacity (48 total) are standard. The machine’s maximum turning diameter is 8.5" (215 mm), and maximum turning length is 23" (580 mm). Bar capacity on the left spindle is 2.6" (65 mm) and on the right is 2" (51 mm).
For efficient operations, the system includes functionality to facilitate multi-tasking programming and setup, thereby reducing fixture costs of complex parts and production stops, the company says. The system is offering in a compact footprint measuring 175" (4,436 mm) × 105" (2,674 mm) × 94" (2,395 mm).
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.