【摘要】 机械传动是机械制造工业中非常重要的技术之一 ,机械传动元件是实现机械传动的具体实施者 ,它的优劣直接影响机械传动的精度、效率等功能。因此 ,对机械传动元件的改进与发展将会对机械制造业起到极大的推动作用。本文主要介绍 2种机械传动元件 (齿轮和轴承 )的改进与最新发展 ,对相关工程技术人员掌握其现状和发展动向有一定的参考价值。更多还原

【Abstract】 Mechanical transmission is one of the most important problems for machine building industry,and it is carried out by mechanical transmission parts.Their mechanical efficiency directly influences the performance of machine.Therefore,the improvement of transmission parts will push forward the development of machine building industry.This paper mainly introduces the improvement and the newest development of two transmission parts,gear and bearing.It is referable in certain extent for relative engineering technicians to master their present situation and developing trends.更多还原