| 单词 | centre chuck |
| 释义 | > as lemmascentre chuck centre chuck n. (on a lathe) a chuck (chuck n.4 4) equipped with a centre (sense A. 8). ΚΠ 1809 W. Nicholson Brit. Encycl. VI. at Turning When work is to be turned between centres by the foot-lathe, a centre-chuck, or steel-piece, carrying a projecting point, is screwed on the nose of the mandrel. 1890 U.S. Patent 431,525 2/1 The mandrel, then being rotated by its handle, is carried forward, so as to force the center chuck into the end of the stick. 2004 M. R. Miller & R. Miller Carpenters & Builders Millwork, Power Tools, & Painting (ed. 7) vii. 150 Lathe attachments..consist of several tools or accessories necessary to perform the work properly. They are lathe centers, drivers, screw chucks, center chucks, and faceplates. < as lemmas |
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