Precision Workholding Chuck uses serrated insert pads.
Press Release Summary:
Retooled for Caterpillar, Model 470 Wheel Poppet Adapter has serrated insert pads to securely grip part during drilling. Chuck mounts on indexing head to expose both sides of part for drilling, and plates attached to sides of jaws are used as datum for drilling. One plate flexes to push part, maintaining positive contact against solid plate for location, and axial locator mounted in center with line contact eliminates possible influence over grip of part and acts as secondary datum.
Original Press Release:
Model 470 Chuck
Island Park, NY... Northfield Precision Instrument Corporation, a leader in the design and manufacture of precision workholding chucks, introduces their Model 470 chuck, which was retooled for Caterpillar. The part (shown being gripped in one of the chucks) is a "Wheel Poppet Adapter." This chuck has special serrated insert pads to securely grip the part during the drilling operation. The chuck is mounted on an indexing head to expose both sides of the part for drilling.
The plates attached to the sides of the jaws are used as a datum for drilling; one plate flexes to push the part such that it maintains positive contact against the solid plate for location.
The chuck also has an axial locator mounted in the center with line contact so as not to influence the grip of the part, but acts as a secondary datum.
Northfield Precision designs and manufactures the world's most accurate air chucks for any lathe, boring machine, grinder or VMC. Models include through-hole, high-speed and quick-change. Available in SAE or metric, in sizes from 3" (76mm) to 18" (457mm). Accuracies of 0.001" to 0.00001" (0.254m) guaranteed. Custom workholding chucks and jaws are available and FREE engineering assistance is offered. Contact Northfield Precision Instrument Corp., 4400 Austin Blvd., P.O. Box 550, Island Park, NY 11558-0550. Call Toll Free 1-800-810-2482 o Fax (516) 431-1928. www.northfield.com
