Consequently the relationship between laser seam weld length and a resistance spot welding weld was established in different situations . The principle and the influencing factors of formulating the laser seam weld length was studied during laser lap welding of dissimilar plates .

并对不同板材搭接 焊时，激光 焊缝长度的制定原则进行了研究，对影响激光焊缝长度制定的因素进行了分析。

Dada acquisition and weld defects analysis in resistance spot welding process

点焊过程工艺参数采集及缺陷信息分析

Through the analysis of outside weld seam quality problem occurred in traditional transmitted water pipe connection weld on spot it raises the theory and design of the finished pipe transmitting water .

通过对传统输水钢管在 现场 对接时出现的外焊缝质量问题的分析，提出成品化输水钢管的理念与设计；

Liquid Crystal Displaying Weld Current Waveform and Controlling for a Secondary Rectifying Spot Welding

次级整流 点焊电流波形液晶显示与控制

Second . Research on monitoring and control parameters of weld quality in aluminum alloys spot welding . Research on wavelet packet decomposition and its energy spectrum using voltage signals .

第二，对铝合金 点焊的质量监控参数进行研究 焊接电压信号的小波包能谱研究。

However the welding source used in weld bonding process was few which only contained resistance spot welding and laser welding at present .

但是，目前采用的焊接热源仅有电阻 焊和激光 焊两种，焊接热源比较单一。

The paper studied the influence of the distance between weld spots on static and fatigue strength by the experiments of multi spot welded plate and we got the stress distribution around the weld spots by our mechanical model it tallied with our experiment date .

通过研究多 点焊搭接构件的静强度与疲劳强度，探讨了 焊点间距对强度的影响，并且用弹性力学模型分析了板中焊点附近的应力状态，与实验结果能较好地对应。

Fatigue life of the vertical damper hold is forecasted to study the influence of some factors such as the finite element style 、 the mesh size near the weld toe during the hot spot stress method analysis .

采用不同的单元类型和单元尺寸对该二系 垂向减振器座进行 热点应力分析，研究单元类型和单元尺寸对 热点应力法的影响。

Effect of variable electrode force on weld formation of sheet to tube joining with single-sided spot welding Dynamical phase transition and ferroelectric properties of poly ( vinylidene fluoride ) in electric poling

变电极力对管板单面电阻 点焊形核的影响聚偏氟乙烯电极化的动力学相变和铁电性

Study on the optimum distance between weld spots of multi spot tensile shear sheet joint

多 点焊拉剪搭接接头 构件的最佳 焊点间距研究

T-butt joint is one of the typical forms in ship and ocean structures . Its weld toe is fatigue hot spot .

T型接头是船舶与海洋结构物的典型结构形式之一，其 焊趾处常常是疲劳 热点 区域。

The voltage current and electrode displacement of resistance spot welding contains plenty of welding information which associated with welding parameters surface state of work pieces and welding stability is the importance information resources for quality inspecting of weld spot .

电阻 点焊过程中电极电压、焊接电流和电极位移信号蕴涵着丰富的焊接状态信息，并且与焊接工艺参数、工件表面状态、以及过程稳定性等密切相关，是焊接过程质量监控的重要信息源。

This article introduces the research on resistance spot weld of β 21 titanium alloy which including the metallographic examination of welding spot analyzing the relationships between process specification and welding spot size the pre-weld heat-treatment and mechanical property .

介绍了β21钛合金电阻 点焊工艺研究过程。

This is to introduce the technology of weld patching in site for damaged or worn rail that Nanjing Track Maintenance Subdivision which involves making good the flaw preheating the spot to be welded post-weld grinding flaw detecting etc.

介绍南京工务段对伤损钢轨在现场进行快速 焊补的工艺，包括清除缺陷、对补焊 位置预热、焊补后磨平，并进行探伤检查等，取得了较好的效果。

Test results showed this method is credible and it can be used to inspect the spot weld quality of car bodies quickly by 100 % and inspect the spot welding quality of any sheet metal .

结果表明，该方法的检测结果可靠，不仅能对汽车车身 点焊 接头进行100%的快速无损检测，而且适用于任何金属薄板 点焊接头质量的检验。

The information fusion model for weld spot nugget is established through parameter selecting and characteristic information extracting .

通过参数选择、特征信息提取，建立了 点焊过程多信息融合模型。

Weld seam fatigue analysis of locomotive damper hold by hot spot stress method

机车减振器座 焊缝疲劳的 热点应力分析