| 单词 | rotary table |
| 释义 | > as lemmasrotary table rotary table n. (a) Engineering a graduated metal disc used to support a workpiece to enable the operator to drill or cut at exact angular intervals about an axis; (b) Oil Industry (in rotary drilling) a power-driven steel turntable through the middle of which the drill string passes and by which it is turned. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > boring tool > for boring in the ground > equipment for use with sinking-chain1820 runner1839 rotary table1845 wad hook1881 socket1883 spreadera1884 whipstock1903 1845 F. W. Simms Treat. Principal Math. Drawing Instruments (ed. 2) (advt. section in end matter) E. M. Clarke's List 4 Self-acting Slotting Machines, with Transverse Slides and Rotary Table. 1900 Machinery May 287/1 The machine is supplied with a rotary table 22″ in diameter having automatic feed in either direction. 1906 B. Redwood Treat. Petroleum (ed. 2) I. 289 The lower end of the drilling-rod or casing with the bit attached is passed through the rotary table. 1997 Metalworking Production June 17/2 An angle table with an integrated rotary table is also available, maximising flexibility for five-sided machining of small parts. 2006 M. S. Raymond & W. L. Leffler Oil & Gas Production in Nontechnical Lang. v. 92 The kelly bushing is firmly attached to the rotary table during drilling but is pulled out of the way..before any drill pipe is taken out of the hole. < as lemmas |
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