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Northfield Precision Instrument Corp. introduces its Model NF-800 standard sliding jaw chuck. As seen in the photo, this particular top tooling was custom designed and manufactured for a customer.
The top tooling included a set of hardened and ground subjaws and two sets of inserts. The subjaws were designed to accept these inserts, making the chuck capable of holding multiple parts and allowing for a quick change-over from one part to the next. The subjaws were ground in place to allow for increased accuracy and repeatability (better than 0.0001" T.I.R.).
Related Glossary Terms
- chuck
chuck
Workholding device that affixes to a mill, lathe or drill-press spindle. It holds a tool or workpiece by one end, allowing it to be rotated. May also be fitted to the machine table to hold a workpiece. Two or more adjustable jaws actually hold the tool or part. May be actuated manually, pneumatically, hydraulically or electrically. See collet.
