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.
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.
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.
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.
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.
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.
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.
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.
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.
对液压部分进行了主要元件如主泵、阀和液压缸的主要参数进行了匹配计算，并对系统的一些主要静态指标进行了计算。
Specification matching calculations are made for the main hydraulic components such as the main pump, valves and oil cylinder and some main static specifications in the system are also calculated.
介绍了一种以液压油缸为执行元件的新型无极绳牵引车的自动张紧装置，并对其系统的结构和工作原理进行了分析。
A new-type automatic take-up of the endless rope towing vehicle with the hydraulic cylinder as actuator was introduced, and the configuration and operational principle of the system were analysed.
本文首先分析了全液压转向系统的工作原理和各液压元件之间的关系。
Firstly, the working principle of FHPSS and the relationship among those components are analyzed.
本文从数字液压元件、计算机辅助设计和计算机辅助测试三个方面论述了数字技术在液压系统中的应用。
The paper investigated the digital technology applied in hydraulic system from digital hydraulic component, computer aided design, computer aided test.
本文论述了液压大系统模块式建模法的基本原理，建立了元件模型和由元件模型生成系统模型的一般方法。
This paper deals with the basic principles of the modularity modelling method, establishing the models of components, and a general method of generating the system model from the models of components.
压力阀是用来控制液压系统的压力和防止油泵及执行元件的过载。根据功能可分为溢流阀、减压阀、顺序阀、卸荷溢流阀等。
Pressure control valves are used for controlling the pressure in a hydraulic system and protect its hydraulic pump and actuators from over-load.
工程起重机液压系统漏油按部位可分为：元件泄漏和管路泄漏两种。
Oil leakage in hydraulic systems of construction cranes may be divided according to their locations into two kinds: hydraulic components leakage and piping leakage.
新型系统的主要液压回路由少量阀元件和机械联结约束的若干泵元件构成。
The main hydraulic circuit of the new system composed of a few valves and the pump components which are linked up and constrained by means of mechanism.
设计了液压负载模拟系统中的关键元件旋转式换向阀，建立了其数学模型和仿真模型，并仿真分析其关键参数对液压负载模拟系统的影响规律。
The rotation directional valve, key component of the system, is developed. Influence principles of structural parameters are analyzed based on the mathematical and simulation model.
液压系统和电控系统所有元件均具有通用性、互换性，更换方便。
All components in hydraulic pressure and electric - control system have common-ability and interchangeability. It makes the replacement easily.
同时，我们能为不同的用户设计制造各类液压元件和系统。
At the same time, we can design and manufacture all kinds of hydraulic lubrication system for different users.
介绍一种新型气液元件行程控制单向阀的结构、原理和特点，以及在组合机床动力滑台液压系统中的应用。
This paper briefly introduces structure, principle, application and feature of a new element named travel control single direction valve.
液压系统：先进的液压系统，高品质的液压元件严格的装配工艺，保证液压系统的高效率和耐久性。
Hydraulic system: advanced hydraulic system, high quality hydraulic components assembly process strictly, ensure the hydraulic system of high efficiency and durability.
文中介绍了这种液压卸载控制装置的组成、特点以及液压系统的参数和元件的选定。
In this paper, the structure and features of the hydraulic control set and the selection of parameters and elements of hydraulic system are introduced.
详细介绍了升降系统原理方案的选择和设计，先后进行了液压缸的设计、液压系统的拟定、液压元件的选择、系统的验算等工作。
The principle project's selection and design of hydraulic system are made at length. Hydraulic structural design, component's selection are presented.
液压机工作性能的好坏主要取决于液压机的液压系统，而液压系统主控液压元件和关键回路的动态性能对液压机液压系统的品质具有至关重要的作用。
The performance of a hydraulic press depends on its hydraulic system, and the dynamic properties of the main hydraulic elements and key hydraulic circuits are critical to the hydraulic system.
液压机工作性能的好坏主要取决于液压机的液压系统，而液压系统主控液压元件和关键回路的动态性能对液压机液压系统的品质具有至关重要的作用。
The performance of a hydraulic press depends on its hydraulic system, and the dynamic properties of the main hydraulic elements and key hydraulic circuits are critical to the hydraulic system.
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