| 单词 | hobbing machine |
| 释义 | > as lemmashobbing machine hobbing machine n. a machine in which worm-wheels, spur and spiral gears are cut by means of a hob or master tap. ΘΚΠ society > occupation and work > equipment > machine tool > other specific machine tools > [noun] > machine for cutting screw-threads worming machine1866 hobbing machine1913 1913 Lockwood's Dict. Mech. Engin. (ed. 4) App. 439 Hobbing Machines. In these, spur and spiral gears as well as worm wheels are cut by a hob, the same hob serving for each type of gear by altering the angle of inclination of the thread. 1943 Jrnl. Royal Aeronaut. Soc. 47 83 A hobbing machine with a properly designed solid master worm wheel will cut accurate and quiet-running gears. < as lemmas |
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