单词 | index crank |
释义 | > as lemmasindex crank index crank n. ΘΚΠ society > occupation and work > equipment > machine tool > [noun] > adjustable bearing holding workpiece > that enables sequences of operations > part of index spindlea1884 index crank1905 index pin1905 index arm1919 indexing pin1964 1905 T. R. Shaw Machine Tools vi. 415 Forty revolutions of the index crank are required to make one complete revolution of the spindle. 1964 S. Crawford Basic Engin. Processes vi. 172 Indirect Indexing... When using this method of indexing the worm is permanently engaged with the worm wheel, and the workpiece is rotated by means of the index-crank. < as lemmas |
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