液压传动

Students use this software to design and to simulate fluid drive circuit, which will greatly inspire their learning interests and improve their learning effects.

结合液压传动实验台，通过实操的方式参与到液压传动回路设计和仿真的整个过程，激发学生的学习兴趣，提高学习效果。

5S management was introduced to fluid drive praxis teaching, according to the characteristic of fluid drive praxis device, which can bring up students' professional quality of self-management, discipline and perseverance.

此外，根据液压传动实验台的特点，将"5S"活动引入液压传动实践教学，培养学生自我管理、严于律己、持之以恒的基本职业素质。

Is the manufacturer QJM Series Hydraulic Motor, YLM Series Hydraulic Motor, YD series hydraulic transmission device, YH Series Hydraulic gyrator, YJ Series Hydraulic Winch professional company with one support high-quality professional technical team.

宁波市北仑天鼎液压有限公司是全国制造QJM系列液压马达，YLM系列液压马达，YD系列液压传动装置，YH系列液压回转器，YJ系列液压绞车的专业公司，拥有一支高素质的专业技术队伍。

This thesis is based on the design of hydraulic propelling which comes from the technology item of the method multitude objects optimizing design and being carried out in die-casting machine'exploitation ,and a software of hydraulic system principle diagram's automatic protracting is carried out by developer with Delphi. The efficiency and quality of drawing hydraulic system principle diagram is improved sharply. And the calculating of hydraulic system's pressure and flux is achieved.

课题以科研项目&多目标优化设计方法及其在压铸机产品开发中的应用&中的液压传动系统设计为依托，利用Delphi编程工具开发出液压系统原理图自动绘制软件，从而极大地提高液压系统原理图的绘制效率和绘图质量，并实现了液压系统管路压力与流量的求解和计算。

This thesis is based on the design of hydraulic propelling which comes from the technology item of the method multitude objects optimizing design and being carried out in die-casting machine"exploitation ,and a software of hydraulic system principle diagram"s automatic protracting is carried out by developer with Delphi. The efficiency and quality of drawing hydraulic system principle diagram is improved sharply. And the calculating of hydraulic systems pressure and flux is achieved.

课题以科研项目&多目标优化设计方法及其在压铸机产品开发中的应用&中的液压传动系统设计为依托，利用Delphi编程工具开发出液压系统原理图自动绘制软件，从而极大地提高液压系统原理图的绘制效率和绘图质量，并实现了液压系统管路压力与流量的求解和计算。

The theoretical foundation for further research is established. In chapter 6, the flow field of poppet valve and spool valve which are two kinds valve frequently used in hydraulic technique are predicated by finite element method. The flow field structure at different valve opening are illustrated by visualizing images. The effect on the flow noise and energy loss probably caused by vortexes is analyzed quantitatively, the flow channel of the valve is improved.

第六章用有限元方法对液压传动与控制中最常见的两种结构形式的液压阀—液压滑阀和液压锥阀流场进行数值预报，给出不同开口度和不同结构尺寸下流场结构的可视化图像，定性分析涡旋的产生对流体噪声及能量损失可能产生的影响，并对阀的流道结构进行改进。

Through technological transformation and technology research, and a number of major enterprises to furth

目前我国已和美国、日本、德国等国著名厂商合资或由外国厂商独资建立了柱塞泵/马达、行星减速机、转向器、液压控制阀、液压系统、静液压传动装置、液压件铸造、气动控制阀、气缸、气源处理三联件、机械密封、橡塑密封等类产品生产企业50多家，引进外资2亿多美元。

The factory is engaged in the production of specifications hydraulic equipment, hydraulic cylinders, cylinder, high-pressure presses cylinder hydraulic hose assemblies complete sets of equipment and other professional enterprises.

本厂是从事生产各种规格液压传动设备、液压缸、气缸、压力机高压缸软管总成及其它液压成套设备的专业企业。

Figure 5 Schematic diagram of spinning machine In terms of hydraulic transmission, hydraulic station and a hydraulic system, which serves as the machine tool spindle power than all.

在液压传动方面，有一个液压站及其液压系统，它为机床提供除主轴旋转之外的所有动力。

Emulsion in coal mine to play a very important role, as the hydraulic mining machinery working media, particularly mine coal face, as hydraulic and hydraulic prop of the working media in the coal mine has been widely used mine support equipment known as the blood.

乳化液在煤矿生产中发挥着十分重要的作用，作为煤机产品液压传动的工作介质，尤其是作为煤矿采煤工作面液压支架和单体液压支柱的工作介质在煤矿井下得到了广泛的应用，被称之为煤矿支护设备的血液。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。