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单词 screw-mandrel
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screw-mandrel
screw-mandrel n. (a) a mandrel used for cutting screws (obsolete rare); (b) a mandrel with a threaded socket at one end for the attachment of tools.
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society > occupation and work > equipment > machine tool > other specific machine tools > [noun] > machine for cutting screw-threads > part holding tool
screw-mandrel1680
1680 J. Moxon Mech. Exercises I. xi. 199 Another sort of Mandrel is called the Screw-Mandrel.
1846 C. Holtzapffel Turning & Mech. Manip. II. 612 The screw-mandrel or traversing mandrel.
2004 Tool & Machinery Catal. 2005 (Axminster Power Tool Centre Ltd.) iv. 7/3 The set contains 36 cutting wheels, 36 medium sanding discs, 1 drum sander..and 2 screw mandrels.
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更新时间:2025/1/11 8:41:17