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The Quest CHNC turning center is available with either a 27-mm, 5C or a 42-mm, 16C collet-ready spindle. The machine is designed for high accuracy and quick job changeover to meet the demands of the medical, aerospace, defense and computer/electronics industries. This design configuration allows the use of top plates and tooling used on thousands of previous-generation CHNC machine installations worldwide.
The turning center is built on the same platform as the company’s Quest GT-series gang tool lathes. The Harcrete base is a proven synthetic structure that provides vibration damping, structural rigidity and thermal stability, the company says. The 7.5-kW (10-hp) drive system is a complete Fanuc motor and drive system. A full complement of Hardinge workholding devices is available to accurately grip workpieces including collets, step chucks, expanding collets and Sure-Grip jaw chucks.
Gang tool-style, pre-set, tooled top plates (8-position or 4-position) can be interchanged in minutes, reducing overall setup time, the company says.
The Hardinge/Fanuc 21i-T CNC includes a 0.000010″ (0.00010mm) programmable resolution/tool offset capability. Standard features include an Ethernet card, custom macro B programming, extended part program edit, and a run time and parts counter.
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.