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Custom Air Chuck



Northfield Precision Instrument Corporation designs and manufactures precision workholding chucks. A customer came to Northfield to design a chuck that would allow its precision sprocket to be positioned in the chuck only one way in order to assure a properly timed gear part. It would have to work with a range of gear diameters. Northfield's engineers customized its NF-650 air chuck with special tooling to meet these requirements. These modifications consist of a locating ring to ensure one-way loading. A custom axial locator, with air detect seat sensor holes, offers positive part seating. The custom top tooling also includes an adjustable air-actuated orientation key to time the workpiece off of gear teeth. The orientation key supports air detection as well, to ensure part engagement. Custom designed and dedicated sub-jaws are ground to accept changeable inserts for a range of gear diameters. Inserts can be easily changed out and still repeat to .0001" TIR.

Northfield Precision Instrument designs and manufactures air chucks for any lathe, boring machine, grinder or VMC. Models include through-hole, high-speed and quick-change. Chucks are available in SAE or metric, in sizes from 3" (76 mm) to 18" (457 mm).

For more information contact:

Northfield Precision Instrument Corp.

4400 Austin Blvd. / P.O. Box 550

Island Park, NY 11558

800-810-2482 / 516-431-1112

info@northfield.com

www.northfield.com

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