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- Laser welding thin wall bit is characterized by high welding strength of bit teeth,no falling out of the teeth and mass production by non water dry drilling. 激光焊接薄壁钻头的显著特点是钻齿焊接强度高,不掉齿,可以用于无水干钻,便于实现大批量规模化生产。
- A general theory about flexural torsional buckling of thin walled members 薄壁构件弯扭失稳的一般理论
- The directly welded RHS joints are complicated 3-D thin walled structures. In order to get its behavior by theoretical analysis, the material and geometrically nonlinear problems must be considered. 直接焊接方管节点是复杂的三维空间薄壁结构,对其理论分析必须考虑几何非线性和材料非线性的影响。
- A type work-piece has some features such as thin wall,dense space curve welded joint,easy to deform when heated,a high demand of gap and unfitness and so on. 根据某产品空间曲线焊缝壁薄、密集、受热易变形,对管间隙及错边量要求高的特点,对其结构及其受力受热情况,及弧焊变形机理进行了深入地研究,并提出了抑制其变形的“分段线性控制”策略。
- In addition to our force transducer program with bonded foils, a new force transducer with a welded thin film sensor was developed. 除了胶结金属薄片的力传感器系列外,我们还开发了一种新型的采用焊接薄膜传感元件的传感器。
- A cell looks like a bit of clear jelly with a thin wall round it. 在显微镜下,细胞看上去如一滴透明的胶状物体,周围有一层很薄的壁。
- An engineering calculation method of spot weld fatigue life prediction is introduced. 摘要介绍一种焊点疲劳寿命预测的工程计算方法。
- And the draws of the stress, the whole life and the spot weld life of the crossmember are got after the analysis. 应用有限元分析法对副车架的疲劳台架试验进行强度和疲劳分析,得到副车架的应力分布图、副车架本体寿命云图和焊点寿命云图。
- Cold winds riddled through the thin walls. 冷风穿过薄墙。
- In this estimator, the ANN is to realize the mapping characteristics from dynamic resistance to spot weld mecnanical proterty. 在此估测器中,经训练的神经元网络将用于描述动态电阻曲线与焊点力学性能的映射关系。
- In this project, the assembly part- Hollow Spline made of Titanium alloy consists 2 parts welded by EBW. It has varying section, long length, thin wall, low strength and stiffness and hard to machine, easy to deform. 本课题研究的钛合金薄壁零件花键管是由2个单件电子束焊接而成的组件;不等截面;长度长;壁薄;强度、刚度均差;加工时难度大且容易变形.
- The temperature variations of several points on the outside of welded joint are measured by using thermocouples which are spot welded on the surface of the workpiece. 使用热电偶点焊到工件表面的方法对接头部分若干点的温度变化进行了实时测量,并与计算结果进行了对比。
- The thin walls of the room echoed the crying. 哭声在斗室的薄板壁四周回响。
- Strength of resistance spot weld is determined by the physical attributes of weldment including material and geometric issues. 电阻点焊接头的焊接强度由母材和熔核的材料属性及几何特征决定。
- A small,dry,indehiscent one-seeded fruit with a thin wall,as in the sunflower. 瘦果一种小而干,封闭的只含一颗种子的水果,有向日葵一样的薄皮。
- The element selection,gridding, the finite element model of spot weld, loading and resolution are also discussed andthe APDL program is wrote. 对单元选择,网格划分,焊接关系的模拟以及加载求解做了介绍,并使用ANSYS提供的参数化编程语言编制了程序。
- It shows that, the weldbonding structure is preferable to the actual using spot weld one, either in strength op in stress distributions. 结论是应用粘接点焊新技术的结构在结构强度特别是在应力分布上比点焊结构明显优越。
- Thin wall centrifugal drainage iron pipe is a kind lr good performance pipe. 薄壁离心铸铁排水管是一种具有良好性能的铸铁管件。
- Results showed that high stress concentration around the spot weld edge may be the determinable factor for initializing and propagating of the high cycle fatigue crack. 分析结果表明:接头搭接区内表面上焊点边缘处的应力集中是接头高周疲劳裂纹起裂和扩展的决定因素。
- Capsule ellipsoid, thinly walled, membranous, circumscissile. 蒴果椭圆体,薄壁,膜质,周裂。