轴承

Finite element model is properly set up according to the principle of the machine and the interrelated mechanics theory.

根据实验机的工作原理以及相关的力学理论，合理建立了深穴结构轴承实验的有限元模型。

Our diamond bearing fixer can compete globally. Some series have been exported to Japan, Thailand and Singapore.

本公司生产的金刚石轴承工装已达到或接近国外同类产品的水平，部分产品已出口日本、泰国、新加坡等国家。

This design wants to design a complete set of three axes five speed gearboxeses , it mainly include three parts : The first part , to make sure the basic parameter of the gearbox assurance ; The second part, The contact strength verify-check and the flection strength verify-check of each wheel gear of the gearbox, mainly verify whether each wheel gear satisfy various strength conditions with according to the giving parameter ; The third part , to progress verify-check intension of the axes Four-part cent, to calculate the life of the bearings.

本次设计是要设计一部较为完整的五档变速器，其中主要包括三部分：第一部分，变速器基本参数的确定；第二部分，变速器的各档齿轮的接触强度校核和弯曲强度校核，主要是根据所给的参数来验证各档齿轮是否满足各项强度条件；第三部分，进行轴的强度校核；第四部分，轴承的寿命计算。

Based on the approximation expression of the oil film force of CSFD presented in chapter 6 for the short bearing, effectiveness of the active vibration control of CSFD on the rigid rotor、flexible rotors with one disk and two disks are studied both theoretically and experimentally.

在第六章推导出了CSFD在短轴承π油膜假设下油膜力的计算公式之后，分别从理论及试验两方面详细地分析了CSFD对刚性转子、单盘柔性转子、双盘柔性转子系统的振动进行分段控制的控制作用；讨论了不同的控制规律、切换滞后、切换次数以及转子角加速度等对控制效果的影响，以及在双稳态区切换时转子运动的方向性问题。

This article first determines major component's structure pattern and the main design variable; Then the reference similar driving axle's structure, determines the overall project design; Finally to the host, the driven bevel gear, the differential device circular cone planet gear, the rear axle shaft gear, the full floating axle and the integral-type bridge shell's intensity carried on the examination as well as has carried on the life examination to the supporting bearing.

本文首先确定主要部件的结构型式和主要设计参数；然后参考类似驱动桥的结构，确定出总体设计方案；最后对主，从动锥齿轮，差速器圆锥行星齿轮，半轴齿轮，全浮式半轴和整体式桥壳的强度进行校核以及对支承轴承进行了寿命校核。

Measure the result as follows: Ra(Surface roughness of steel ball)=0.015 u m, wavmess=0.06 um,△Sph=0.010 u m, VDWL=0.015 u m. The flocculus steel balls measured were assembled in Luoyang Precise Bearings Company. The results show that the bearing vibration values reached Z2 group near 98%, the bearing vibration values with new technique balls tower above sixty percentile than grindtechnics.

然后对加工出的"绒面"钢球在洛阳轴承集团进行了合套测振试验，测振试验结果表明：振动值达到Z2组的比例达到98％，比用研磨工艺制得的钢球合套后测得的振动值数据高出60个百分点；振动值达到Z3组的比例高达到83～97％，比用研磨工艺制得的钢球合套后测得的振动值数据高出77～90个百分点。

Top Graded Materials: cast iron cylinders flong life; ductile iron counterbalanced cranksLSEft with large diameter throw flow bearing loads, high strength increased life; aluminum cylinder heads fsuperiheat dissipation; 7075-T6 aluminum connecting rods fhigh strength; aluminum crankcase felimination unnecessary weight.

顶级的材质：铸铁的气缸确保长寿命，采用具有延展性铁制材料制成的平衡曲轴，带有大直径平衡块确保低轴承负荷，高强度并增加了机组寿命。铝制缸头提供超强的散热。7075-T6铝合金连杆提供高强度。铝制曲轴箱消除了不必要的重量。

China ShanDong GuanXian ChangMing Bearing limited liability company was bulit in 1986,covering an area of 15,000 square metres,including 11,000 square metres of floorage.

山东冠县昌明轴承股份有限公司，建于1986年，占地15000平方米，建筑面积11000平方米，现有职工500余人，其中中、高技术人员60余人。

A solution to oil lubricating and seal of hydrodynamic fluid bearing for hard disk drive was given.

同时，初步确定了流体动压润滑硬盘轴承的润滑油和密封系统的解决方案。

Finally, analyses are made of the theory of foil bearing lubricatio...

最后分析了薄膜轴承的润滑机理和设计参数的选择原则。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。