This paper introduces hydraulic vibration-exciting system for marble moulding machine, and pats forward rational selection method of vibration. parameter for the system controlled by rotary valve.
本文介绍了应用于再造大理石成型机的液压激振系统，并提出了应用转间控制的系统其振动参数的合理选择方法。
The pressure control system consists of an aft outflow valve, forward outflow valve, pressure controller, control panel, pressure sensing inputs, and monitoring indicators.
压力控制系统包括一个外流阀、前外流阀、压力控制器、控制面板、压力传感器和监视器。
Forward needle valve positions for easy access.
针形阀位置提前，便于接近。
A wind valve adjustment mode of convector radiator that is suited to individual metered heating system is put forward.
提出了一种适用于分户计量采暖系统的对流型散热器的风阀调节方式。
The theoretical basis of checking the internal leakage flowrate of relief valve by pneumatic measuring instrument was put forward.
提出应用气动量仪检测溢流阀液体泄漏量的理论依据。
The leakage reason of various valves and its hazards towards the environment and production were analyzed. The suggestion of optimization about valve choice in design was brought forward.
通过分析各种阀门发生泄漏的原因，以及阀门泄漏对环境和生产所带来的危害，提出在工程设计中的优化阀门选型建议。
The nonlinear range for steering was put forward based on the specific nonlinear characteristic of rotary valve.
通过分析转阀特有的非线性，提出了适合转向特性的非线性区间。
The paper introduces requirement of valve strength test and leakage test, analyse universal problems of valve test, and put forward test technology of valve.
介绍了阀门强度试验和密封试验的要求，分析了阀门试验中存在的普遍问题，提出了阀门试验工艺。
Moreover, this paper puts forward an adaptive method of control valve based on open-loop and enhances measure accuracy through curve fitting method.
同时，本文提出一种基于开环的阀门开度自适应控制方法，通过在线曲线拟合的方法提高阀门控制的精度。
This paper introduces measure of selecting of control valve, and putting forward influence and settlement measure of control valve producing phenomenon of flashing, cavitations, noise.
本文介绍了控制阀的选型步骤，并提出了控制阀所产生的闪蒸、空化、噪音现象造成的影响及解决措施。
This paper puts forward a new mechanical-hydraulic servo valve, and briefly introduces operation principle, structural characteristics and application of the valve.
本文提出了一种新的机液伺服阀，概要介绍了这种阀的工作原理，结构特点及应用情况。
The leakage reasons of safety valve at steam system are analysed from both technique and management, and the prevention measures are put forward.
从技术及管理两方面分析了蒸汽系统安全阀泄漏的原因，提出了预防措施。
This text still abandons the thought that control through the end pressure and put forward a new control method that can consider all factors of the system and direct control the valve.
本文还摒弃末端压差控制的思想，提出一种综合考虑各方面的因素直接控制阀门开度使之适应负荷变化的控制方法。
In view of energy waste will be made mainly through regulating valve to change the flow, the point of adopting frequency conversion is put forward to change the flow.
针对目前主要采用阀门调节管路流量而造成能源浪费的问题，提出通过变频调速改变流量的观点。
Based on the design characteristics of mass customization, a rapid design process model based on product platform was put forward to deal with large-scale valve products.
为解决大型阀门产品的快速设计问题，基于大规模定制的设计特点，提出了一个基于产品平台的快速设计流程模型。
Introducing the sealing principle of fixed ball valve and the calculation of seat sealing force, analyzing the effect of machining error upon sealing property and putting forward improving opinions.
介绍了固定球球阀的密封原理和阀座密封力的计算，分析了加工误差对密封性能的影响，提出了改进意见。
When the level of the front one-way throttle valve is turned clockwise, the forward traveling speed of the cylinder and charging speed slow down.
顺时针转动前单向节流阀手柄，气缸前行速度放慢，装料速度也放慢。
This paper analyzes the failures of air operated double position butterfly valve used in car type furnace, and puts forward improving plan.
本文对台车炉气动双位蝶阀产生的故障进行了分析，并提出了改进方案。
Eventually the technology maturity of the butterfly valve is mapped by using the method put forward by this thesis and the software, and the result is discussed.
最后应用所提出的产品技术成熟度预测技术和所设计的软件对我国蝶阀产品的技术成熟度进行了研究，并对预测结果进行了讨论。
When the level of the front one-way throttle valve is turned counterclockwise, the forward traveling speed of the cylinder and charging speed increase.
逆时针转动前单向节流阀手柄，气缸前行速度加快，装料速度也加快。
The forward outflow valve receives a control signal from the aft outflow valve . when the aft outflow valve is closed, the forward outflow valve receives a signal to drive full closed.
前外流阀接收一个从后外流阀来的控制信号。当后外流阀被关闭时，前外流阀接收又个信号驱使完全关闭。
And then it puts forward study on the high speed switch valve, using GMM as valve's core, adopting DSP as controller and designing bus communication interface.
在此基础上提出了以超磁致伸缩材料为阀芯，以DSP为控制器，带有总线型接口的高速开关阀的研究课题。
For the fault of prefill valve occurred in hydraulic system of 50mn trimming press, the causes have been analyzed and eliminating measures put forward.
分析了50MN切边液压机充液阀脱落、断裂失效的过程和原因，提出了相应的解决措施和充液阀设计应注意的问题。
The causes to troubles in 120 valve emergency valves are analyzed, and measures for improvement are put forward.
分析了120阀紧急阀的故障原因，并提出了改进措施。
Based on a proportional valve-hydraulic cylinder system, this paper puts forward the problem of implementing cushioning and positioning at any point in full-stroke by using ideal curve.
本文针对比例阀缸系统，提出了用理想曲线实现液压缸的全行程任意点的缓冲定位问题。
This thesis puts forward a new direct-actuated digital servo valve, based on the studying relevant workings, and also advanced a new method modeling in hydraulic system.
本文在综述国内外电液数字控制技术及元件的相关研究成果的基础上，设计出了数字伺服阀的新型结构，并且提出了在液压系统中使用模块化建模的思想。
This paper puts forward the method of intelligent compensation of dead zone in electrohydraulic proportional directional valve.
本文提出了电液比例方向阀死区的一种智能补偿方法。
Its control device is comprised of processing tool, energy sensor, temp. sensor, addition apparatus, regulating valve, low temp. liquid generator, and forward feed and feedback controllers.
其控制装置由加工工具、能量传感器、温度传感器、加法器、调节阀、低温液体发生器以及前馈控制器和反馈控制器组成。
The one-way punch forming process used for brass valve body was introduced, some instructive Suggestions for improving the process were put forward.
针对黄铜阀体单向冲压成形生产中存在的问题，提出了改进措施。
The one-way punch forming process used for brass valve body was introduced, some instructive Suggestions for improving the process were put forward.
针对黄铜阀体单向冲压成形生产中存在的问题，提出了改进措施。
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