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The CTV 315 linear vertical turning center from DMG/Mori Seiki accommodates workpieces measuring 300 mm in diameter and 210 mm in height, and weighing as much as 25 kg. The machine’s larger work envelope provides enough space for the VDI 40 turret with 12 tool stations, as well as additional tools or a milling spindle that can be mounted on an optional function plate. A DirectDrive VDI 50 turret version with driven tools providing speeds ranging to 10,000 rpm is also available. The turning center’s large Z stroke and optional Y travel enable precise machining, while linear drives in the X axis with acceleration rates of 8 m/sec.2 contribute to the machine’s accuracy and dynamics, the company says.
The turning center’s “Stealth” design provides easy access to the work area and automation equipment as well as the integrated 15" Slimline panel. The Operate 4.5 control from Siemens’ 840D line encompasses the machine’s complete automation technology from drives to the CNC control, and offers a uniform user interface for all technologies.
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.