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单词 index centre
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index centre
index centre n. Engineering each of the centres (sense 5) that support work for indexing.
ΘΚΠ
society > occupation and work > equipment > machine tool > [noun] > adjustable bearing holding workpiece > that enables sequences of operations
index centrea1884
indexing head1901
index head1902
a1884 E. H. Knight Pract. Dict. Mech. Suppl. 434/1 The tool-post can be removed from the sliding table, and index centers, milling vise, or any milling fixture put on, required for milling.
1913 Lockwood's Dict. Mech. Engin. (ed. 4) 439 Index centres, the head, and the tail stock between which work is carried to be pitched or indexed.
1953 L. E. Doyle Metal Machining ix. 214 Index centers provide means for spacing cuts accurately around a workpiece.
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