汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。
Cavitation can make the surface trim have worn, and deep pits.
综合分析了阀片的失效原因、机理，并进行了对阀片边缘实施滚磨倒角来提高其疲劳寿命的实验研究。
The cause and mechanism of valve failure are analyzed, and the method of tumbling chamfer is studied to improve service life of the valves.
文章介绍了经这改进的伺服阀气动配磨系统。
This article mainly introduces an improved system of mate-grinding servo valve.
主要介绍了立磨三道锁风阀机械结构及其液压系统、电控系统的设计原理。
The article introduces the mechanical structure of triple gate system of vertical mill, as well as its hydraulic system and electric control system.
主要介绍了立磨三道锁风阀机械结构及其液压系统、电控系统的设计原理。
The mechanical construction and electrical principle of the device is presented in this article.
针对目前采用比例溢流阀和伺服阀加载存在的不足，提出在钢坯修磨机上采用比例三通减压阀加载。
Aiming at the disadvantages of present loading system applying proportional relief valve or servo valve, loading system with 3-way proportional pressure reducing valve is proposed.
针对目前采用比例溢流阀和伺服阀加载存在的不足，提出在钢坯修磨机上采用比例三通减压阀加载。
Aiming at the disadvantages of present loading system applying proportional relief valve or servo valve, loading system with 3-way proportional pressure reducing valve is proposed.
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