设计缺陷和液压系统元件的老化是导致龙门铣床出现故障的主要原因。
Design defects and hydraulic system elements aging are the main causes of the gantry milling machine's fault.
通过测试与分析，排除了液压系统元件本身的问题，认为卷筒变径设计缺陷和液压系统程序控制缺陷是故障产生的直接原因。
By test and analysis, the direct reasons leading to failures are the defaults in designing coiler mandrel diameter change and controlling hydraulic system program but not the system parts themselves.
阐述了电力线路张力放线自制牵引机设计中与进口设备完全不同的一种新型液压驱动设计方案，该方案使电力线路张力放线液压系统元件国产化得以实现。
The design of a new type of hydraulic system was introduced, which was totally different from the imports. And the localization of this system has been realized.
熟悉液压系统，气动元件，电磁阀，及机械传动系统，了解PLC控制原理。
Familiar with hydraulic systems, pneumatic components, solenoid valves, and mechanical drive system, understand PLC control theory.
本文较系统地介绍了液压元件试验台CAT系统的硬件和软件组成。
The hardware and software of CAT system for hydraulic devices are systematically presented in the paper.
蓄能器充液阀是一种用于工程机械及矿山无轨设备制动液压系统的关键液压元件。
Accumulator charging valve is key unit used in hydraulic braking system of engineering machinery and rubber tyred equipments for mines.
主体液压部分设计包括主要液压元件的选型及整个液压系统的搭建。
Hydraulic pressure design includes selecting the component's type and setting up the whole hydraulic pressure system.
液压系统可靠性高，性能优良，易于维护，液压元件及密封选用国内外名牌，使用周期长，运行安全可靠。
Hydraulic system high reliability and excellent performance, easy maintenance, hydraulic components and seal famous at home and abroad, use cycle chosen long, safe and reliable operation.
溢流阀和管道都是液压系统的重要元件，而溢流阀、管道和定量泵组成的系统又是液压系统的基本回路。
The relief valve and the pipeline are both important components of the hydraulic system, and that system including of relief valve and pipeline and constant pump is the basic loop of it.
这种测量装置为进一步研究液压元件、系统的动特性，并为开发新的瞬态流量计提供了重要的测试手段。
This provides an important measuring means for studying the dynamic characteristics of hydraulic elements and systems and for developing new instantaneous flowmeters.
据调查显示，装载机液压系统的工作油温较高是影响系统及元件可靠性和整机作业效率的主要因素之一。
Show according to investigation loader hydraulic systematic job oil while being high is one of the main factors of influencing system, component dependability and the productivity.
给出了现场条件下液压元件寿命估算的数学模型和系统目标清洁度与寿命延长系数的关系。
Advanced the mathematical model of the hydraulic components life estimation method and established the relations of the system target cleanliness to the life extension coefficient.
管接头是液压和气动系统中不可缺少的辅助元件。
Tube fittings are necessary auxiliary elements in hydraulic and pneumatic systems.
论述了理论分析，给出了具有目前国际同类产品先进水平的低噪声液压元件和系统的结构原理与主要的技术指标。
The construction Principle and the main specifications of the low noise fluid Power transmision and conrtol systems and components with the existing standards in the world are gave.
通过我们全面可靠和高效的液压元件与系统，伊顿的客户在所有的这些领域顺利运作。
Eaton keeps customers moving in all these areas through our comprehensive line of reliable, high-efficiency hydraulic components and systems.
采煤机液压系统的可靠性和寿命，在很大程度上取决于液压油和液压元件的清洁度。
Shearer hydraulic system reliability and longevity, to a large extent depend on hydraulic oil and hydraulic components of the cleaner.
液压系统的可靠性和液压元件的使用寿命，在很大程度上取决于液压元件的耐污染能力和系统油液的污染状况。
The reliability of hydraulic system and the service life of hydraulic components depend closely to the contamination resistance and the contaminated condition of the hydraulic oil in the system.
系统论述了液压原理图的CAD方法，实现了通过计算机鼠标绘制液压元件图形块进行液压系统原理图的搭接。
The paper discusses the hydraulic schematic CAD means which can use computer mouse to map out hydraulic element graph block to lap the hydraulic system.
控制系统采用CAN总线技术及线控器操作控制，主要控制部分：电气、液压元件均为进口件。
The controlling system uses CAN wire technology and wire controller. The main controlling part: electrical and hydraulic parts are both imported items.
介绍了一种以新型数字同步阀为同步控制元件，运用模糊pid算法进行控制的液压同步系统。
This paper introduces a hydraulic synchronous system, which USES a new-type digital valve as synchronous controller and makes use of a fuzzy-PID control arithmetic.
作为工程机械液压系统核心元件之一，其性能的好坏，直接决定着整机的技术水平。
As one of core components in the hydraulic system of construction machine, the performance of multi-way valve decides the level of the whole machine.
三位换向阀滑阀机能不但影响液压系统的工作状态，也影响执行元件换向时的工作性能。
Slide valve function of three position directional valve not only affects the working state of hydraulic system but also affects the working performance of implement part when changing direction.
介绍高浓盘磨机液压系统的主要性能参数，液压系统原理图的拟定，液压油及液压元件的选型计算。
The main parameters of hydraulic system of HC refiner, the draft of the diagram of hydraulic system, the selection calculation of hydraulic oil and the elements are presented in the paper.
液压顶升系统(以下简称系统)液压元件磨损和密封件失效使系统产生超量内泄漏便是系统出现故障的主要原因。
The main reason for the defects is that the over leakage is produced in the system because the hydraulic components are worn down and the seals are failed.
先导操纵的装载机液压系统大多采用先导阀和压力选择阀作为主要的先导液压元件，因此会出现一些由这些元件引起的整机故障。
Most loader hydraulic systems with pilot control use pilot valves and pres sures election valves as main pilot hydraulic components so some machine failure caused by those components may occurred.
航空液压阀是航空液压系统中重要的控制元件，它关系到飞机的平稳与安全飞行。
Aviation hydraulic valve is the very important control component in aviation hydraulic system, it is related to the stable and safe flight of airplane.
建立了液压系统的知识库、图形库图形库中存有液压元件符号图及各种常用回路的图形块。
Establishment of a knowledge bank and a diagram bank of the hydraulic system. Component symbol graph and diagrams of commonly-used circuits are stored in the diagram bank.
纯水液压控制阀是纯水液压系统的重要关键基础元件。
Water hydraulic control valves are important and the key base components in water hydraulic system.
纯水液压控制阀是纯水液压系统的重要关键基础元件。
Water hydraulic control valves are important and the key base components in water hydraulic system.
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