head end port是什么意思

网络释义

用法例句

Improved design for the cylinder of MG463-WD type electrical haulage shearer;

MG463-WD型电牵引采煤机油缸的改进设计

Designing calculation of cylinder on MG400/985-WD electrical haulage shearer;

MG400/985—WD电牵引采煤机油缸的设计计算

Choose of the technology parameter of cylinder's rolled metal;

油缸镗滚压工艺参数选择

Analysing hydraulic cylinder systems on lifter frameworks;

升降机构液压油缸系统分析

Technical Innovation of Sealing Devices for the Main Hydraulic Cylinder of the Foil Mill;

轧机压上油缸密封系统的技术改造

In order to increase efficiency and maintain a consistent quality,it is suggested that combined boring-rolling machining technique should be used instead of former scalping boring,precise boring and rolling processes in the machining of hydraulic cylinder bore.

对于油缸滚压加工,提出了采用镗-滚压组合加工工艺代替原来采用的粗镗-精镗-珩磨(或滚压)3道工序,以提高生产效率,并使质量稳定。

A finite element analysis for extruding oil cylinder and shatter oil cylinder of NZ·LJZ20-8 heavy-duty rubbish transport equipment;

NZ·LJZ20-8大型生活垃圾转运站设备挤压油缸、破碎油缸有限元分析

By analyzing welding effect of test bars,guide rails,oil cylinders and crankshafts,the results show the casting defect repair machine is feasible in repairing sand holes and dispersed shrinkage of castings.

通过对试棒焊补效果的显微分析及对机床导轨、油缸、曲轴修复结果的检验和分析,表明铸造缺陷修补机在修补铸铁材质零件的砂眼、缩松方面是可行的;修补后铸件无裂纹、无硬点、无明显分界线。

A new core-pulling mechanism propelled by oil cylinder was introduced.

通过对液晶电视后机壳注射模设计,分析了大面积抽芯机构的设计要点,介绍一种新型的油缸抽芯机构,采用这个机构,能够有效地保证抽芯的可靠性。

Selecting and using of loose core hydrocylinder in injection mold;

注塑模抽芯油缸的选取和使用

In overhauling process,undermaintenance of individual hydraulic prop will be not propitious for highly efficient and safe production,and the sealing of hydrocylinder influences directly quality of maintenance.

单体液压支柱大修后,存在工作性能不稳定,使用寿命不长等问题,直接影响煤矿井下工作面安全高效生产;在分析了导致油缸-活柱体间密封失效的多种原因后,通过几种新工艺在大修生产中的应用,提出油缸修复方法、油缸-活柱体间密封方式不同工艺的特点;阐述了新的工艺对提高大修质量、解决局部技术难题的重要意义。

Stability calculating model of slim hydraulic cylinder;

长细液压油缸的稳定性计算模型探讨

The Analyzing and Eliminating of Hydraulic Cylinder s Faults;

液压油缸的故障分析与排除

To solve the problems of bending and distortion of pistons in the hydraulic cylinders during the operations of hydraulic roof supports,detailed calculation and analysis have been carried out on the piston bending stability and the piston diameters which satisfy the design requirement have been worked out.

针对液压支架在井下使用过程中出现的大量液压油缸活塞杆弯曲变形问题进行了液压油缸活塞杆弯曲稳定性的详细验算分析,根据验算分析的结果,计算出符合设计要求的活塞杆直径。

The rolling servo cylinder's rolling force is great, stroke is short, frequency respone is rapid and testing is difficult.

轧制伺服油缸轧制力大,行程短,频率响应高,测试难度大。

This paper has established the mathematical model of frequency characteristic test with the dynamic frequency scanning mode of AGC servo cylinder as an example, and on this basis, solved the problems of how to determine the value of k and how to select the value of frequency scanning.

以AGC伺服油缸的动态扫频方式为例,建立了伺服油缸动态测试系统的数学模型,并在其基础上解决了如何确定动态扫频过程中的采样速率(或采样周期),即k值以及扫频点数的选取问题。

This paper builds up the mathematic model of frequency characteristic test based on the example of dynamic frequency scanning problem of servo cylinder, and solves the problems of how to determine the value of k and of how to determine the value of Frequency Scanning.

以伺服油缸的动态扫频问题为例,建立了伺服油缸动态测试系统的数学模型,并在其基础上解决了如何确定动态扫频过程中的k值以及扫频点数的选取问题。