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- 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。
- 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。
- 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。
- 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。
- Spot welds are the dominant joining method to make automotive bodies, for finite element analysis of body structure, A spot weld model must be establish. 点焊是汽车车身结构常用的一种连接方式,为对这种结构进行有限元分析必须建立相应的点焊模型。
- 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。
- The analysis can simulate the fatigue test in braking condition and find the potential problem of the intension and durability of the whole crossmember and spot weld. 通过分析，可以预测模拟制动工况的疲劳台架试验中副车架本体及焊点可能出现的强度及疲劳问题。
- The fusion course of different material (Fe and Ni)in spot weld with different process variable was researched.The weldableness and the selection of parameter were researched,too. 对异质材料铁-镍点焊在不同规范下熔合过程进行了试验研究,包括可焊性及规范参数的选择。
- The assemblies of the whole Body is combined by spot welding and Bolting. 整个车身的所有装配件都是由点焊或螺栓组装起来的。
- It has great interest to establish Expert System (ES) for spot welding process. 建立点焊专家系统，对于实现点焊过程的智能化，优化点焊规范参数，降低对操作者的要求，提高点焊质量，具有重要意义。
- At last, the paper introduces how to apply this technology to spot welder. 结合点焊机焊接过程的监控，对该方法及其有效性进行了说明和验证。
- Spot welding technology has been USed widely in various industry fie lds. 点焊在工业领域中应用的非常广泛。
- In this paper, experimental studies are made on weldbonding and spot weld structures of a box - type beam in automobile steering room, the results are coordinative with those from numeral analyses. 对汽车驾驶室底盘前横梁的粘接点焊结构进行了对比实验研究，并与数值分析结果作了比较，它们所反映的规律性是基本相同的。
- Expulsion is highly undesirable during the resistance spot welding for it decreases the weld quality. 在电阻点焊过程中喷溅的产生直接降低焊接接头的强度,因此是最不希望出现的焊接缺陷。
- Resistance spot welding in aluminum alloy was tested by ultrasonic immersion method with focusing probe. 摘要介绍采用水浸超声聚焦回波检测铝合金电阻点焊焊核直径。
- Be suitable for spot welding between electric wheels motor plane commutator and wire head. 适用电动车轮鼓电机平面换向器与导线线头的点焊。
- Be suitable for spot welding between electromotor commutator with hooks and slots and rotor wire. 适用带钩、开槽电机换向器与转子导线的点焊。
- Be suitable for spot welding between rotor wire head and electromotor commutator with hooks and slots. 适用带钩,开槽电机换向器与转子导线线头的点焊。
