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Based on the simulation data, the effects of clearances, damping coefficient and the rotation speed on the dynamic behaviors are studied: compared with ideal mechanisms, mechanisms with clearances are less stable; as for mechanisms with clearances, when the crank rotates at the speed of 100rad/s, the actual clearances are always above the radium of clearances, axle pin and axle cover keep contact throught the rotation; when the crank rotates at the speed of 20rad/s, mechanisms are in an unstable state, at an angle of about 300, the actual clearances are below the radium of clearances, pairs lose contact, which results in collision between them; with the speed of 20rad/s, when damping coefficient is assumed 175Ns/m, distinct separation and collision happen between pairs; when damping coefficient is assumed 220Ns/m, separation and collision are controlled.

在含间隙机构中，当曲柄以100rad/s转动时，运动副间隙始终大於半径间隙，轴销与轴套始终保持连续接触；当曲柄以低速20rad/s转动时，系统处於极不稳定的震荡状态，在转至300°左右时，运动副间隙小於半径间隙，脱离接触，发生明显的分离碰撞现象。在含间隙机构中，曲柄以低速20rad/s转动，当取法向阻尼系数为175Ns/m时，副元素发生明显的分离碰撞现象；当取法向阻尼系数为220Ns/m时控制了副元素的分离，副元素一直处於连续接触状态。

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The next step if there was something wrong, then you can contact contact the seller when a reasonable solution, if he did not solve the problem, the seller was one of those banner of the name of Consumer Protection Consumer Protection service for failure to perform the kind of mask man , with regard to this situation with the Consumer Protection Taobao has a return flow, this process is beneficial to buyers.

下一步如果真的有问题的话，再联系联系卖家时候可以合理解决，他如果不解决的话，这种卖家属于那种打着消保的大旗而不履行消保服务的那种假面人，关于这种情况淘宝网有一套用消保退货流程，这个流程是对买家有利的。

With the special contact ability of LS-DYNA, the numerical simulations show the contact relationship between the door and the frame, the door blot and bearing, respectively.

同时，充分利用 LS-DYNA 提供的强大的接触分析功能，真实模拟了抗爆门和门框，门轴之间的接触关系。

During computer calculate, According to condition of charging of bell-less top blast furnace, and burden motion characteristics and contact situation in charging process, the reboxing is used to distinguish the point of contact between burden granules and between burden granular and wall.

本文将其引入冶金工程科学研究，从高炉炉料颗粒的运动机理研究高炉无钟炉顶布料过程及布料规律，确立了高炉无钟炉顶布料的炉料分布和料面形状的理论数学模型，推动了高炉无钟炉顶布料的理论研究。

The numerical results show that: the stress distribution on contact surface is relative to the relative velocity of sliding block and friction coefficient, and the maximum relative error of stress can be 100.08%. The non-linear Stribeck friction model can better describe the real situation of contact surface, because of the consideration of impact of the relative velocity to the friction.

研究结果表明：随着接触体相对速度的改变，摩擦因数相应变化，接触面上的应力与位移的分布随之改变，应力最大相对误差达100.08%；Stribeck模型考虑了速度对摩擦因数的影响，更能描述接触的真实情况。

The riveting technique for an electric contact was improved,and the processing technology for the bridge joint subassembly and the feed in scheme for the electric contact were determined.

通过对电触点铆接方法的工艺改进，制定了定位桥组件的生产工艺及电触点的送进方案，实现了电触点在精密多工位级进模内的自动送入及其与冲制件的装配、铆接。

It is understood that accept this card manufacturing enterprises come mainly from North America, Europe and Asia-Pacific, Latin America and the Middle East/Africa, five districts, and the product under investigation, is the thickness of plastic card, including with magnetic strip and not with the traditional magnetic stripe cards, as well as for financing, identity, telecommunications and transportation, UN-contact, UN-contact and hybrid chip card.

据了解，接受此次调查的卡片制造企业主要来自北美洲、欧洲、亚太、拉丁美洲和中东/非洲等五个地区，而接受调查的产品主要是各种厚度的塑料卡片，其中包括带有磁条和不带有磁条的传统卡片以及用于金融、身份识别、电信和交通等领域的接触式、非接触式和混合式芯片卡。

The present paper rolls the circle contact stress research scientific research item based on 5M×33M the rotary kiln, take 2 grade of chain fire grate machine - rotary kiln as the object of study, to rolled the circle and under roller's contact stress has carried on the analysis and the research.

本论文基于 F 5M ×33M 回转窑滚圈接触应力研究科研项目，以2档链篦机-回转窑为研究对象，对滚圈与托轮的接触应力进行了分析与研究。

Furthermore, it also compares engaging force between complete knife chain and sprocket, and colliding process of the complete knife chain contact with the pin. Analyzing and comparing the condition of chain engaged with the driving and driven sprocket can help to understand the contact force and tension in entire progress of transmission.

讨论完整刀链与链轮之啮合受力比较，及完整刀链与连接销碰撞之过程情形，并分析比较链片与驱动链轮及传动链轮啮合之情形，以了解其整个过程的啮合碰撞受力关系及所受之张力情形，最后进行结构强度分析。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"