Turning, Grinding and Workholding for High-Precision Manufacturing

Hardinge offers two CNC turning centers and a Kellenberger Kel-Vista grinder, along with a presentation of workholding and rotary products.

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Hardinge offers two CNC turning centers and a Kellenberger Kel-Vista grinder, along with a presentation of workholding and rotary products.

 

The Hardinge Super-Precision T-42 turning center offers 0.00001" (0.254 micron) part roundness and 0.000006" (0.15 micron) Ra surface finish. The turning center is said to be well-suited for two-axis, high-precision machining, complex multitasking operations that require high levels of precision, delicate part handling, and machining complete parts in a single setup.

 

The Hardinge Quest Super-Precision CHNC 42 features a turret-style top plate, a collet-ready spindle and Harcrete base.

 

The Kel-Vista grinder, manufactured by Kellenberger, a Hardinge company, is a precision universal CNC grinding solution. According to Harding, the simple, menu-based control makes programming knowledge unnecessary. The swiveling workhead is designed for grinding between centers and for chucked work. Thermally optimized bearings increase roundness and dimensional accuracy.

 

Swiss-style collets and guide bushings will be on display, as well as Hardinge’s 80-mm FlexC vulcanized collet system.

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Robotic 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.