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universal chuck

American  

noun

  1. a chuck, as on a lathe headstock, having three stepped jaws moving simultaneously for precise centering of a workpiece of any of a wide range of sizes.


Etymology

Origin of universal chuck

First recorded in 1815–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The casting is held by three special hardened jaws b in a universal chuck.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.

The jaws may be reversed in their slots and operated simultaneously as a universal chuck, or independently as a simple jaw chuck.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The strap should first be held in a universal chuck bolted to the face plate, or held in dogs such as shown in Fig.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

The advantage of the universal chuck is that round and other parts of a uniform shape are located in a central position for turning without any adjustment.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.

The work is held in a universal chuck, and if long is supported by a stay as shown in the figure.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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