纵向焊缝

以热弹塑性仿真模型为基础，优化分析了外部4条纵向焊缝的焊接顺序与方向对焊接变形的影响规律。

Based on the thermal elastic-plastic simulation method , the laws of welding deformation caused by the welding sequence and direction of the external four longitudinal weld were analyzed by optimization method .

铝合金薄壁贮箱结构是航空航天领域薄件的代表构件，广泛应用于飞行器、军工武器等方面，且作为载体，筒体本身有多种焊接，包括纵向焊缝、环向焊缝、法兰焊缝等。

The structure of thin-walled aluminum alloy cylinder is the representative of components widely used in aircraft , military weapons , etc. , and as a carrier , cylinder itself has a variety of weld , including the longitudinal weld , circumferential weld , flange weld .

含纵向焊缝管内部电偶腐蚀电流分布的复变函数解

Couple corrosion current distribution inside the tube with a longitudinal weld

模桥结构对铝型材分流挤压纵向焊缝焊合性能的影响

Effects of Die Leg on Welding Ability of Longitudinal Welds During Porthole Die Extrusion of Aluminum Profile

纵向焊缝的允许偏移

Allowable offset in longitudinal joints

本文介绍了滚筒对接纵向焊缝及环形焊缝的超声波检测方法、工艺特点，介绍了焊缝缺陷反射波的波形分析与判别。

The paper presents the ultrasonic testing method and technological feature when the longitudinal and annular weld joint of drum is welded . Analysis and judgement of wave reflected from weld fault is described .

纵向及环形焊缝应尽可能不防碍设备口、加强板、支承垫等。

Longitudinal and circumferential welded seams shall not interfere with nozzle openings , reinforcement plates and saddle pads , as far as possible .

外加间歇交变纵向磁场对TIG焊缝成形的影响

Effect of Longitudinal Intermittent Alternative Magnetic Field on Weld Formation in Tungsten Inert-Gas Arc Welding