Endless screw
| (Mech.) | See under Screw. |
| a screw used to give motion to a toothed wheel by the action of its threads between the teeth of the wheel; - called also a worm. |
See also: Endless, Screw
| 单词 | endless screw | ||||
| 释义 | Endless screw
See also: Endless, Screw endless screwendless screw,screw fixed so that it cannot move longitudinally as it rotates. Thus, instead of the usual action in which a screw advances itself through a medium as it turns, the screw remains stationary and forces the medium or a mechanical part to advance. When a screw of this type is arranged to drive a cogwheel whose teeth mesh with its thread, the screw is called a worm geargear,toothed wheel, cylinder, or cone that transmits motion from one part of a machine to another; it is one of the oldest means of transmitting motion. When the teeth of two gears are meshed, turning one gear will cause the other to rotate. ..... Click the link for more information. . See Archimedes' screwArchimedes' screw, a simple mechanical device believed to have been invented by Archimedes in the 3d cent. B.C. It consists of a cylinder inside of which a continuous screw, extending the length of the cylinder, forms a spiral chamber. ..... Click the link for more information. . |
||||
| 随便看 |
|
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。