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1. 发明授权

US5742029A Method of welding wallpaper alloy an arc welder modified to practice same 失效
标题翻译：焊接壁纸合金弧焊机的方法修改为实践
公开(公告)号：US5742029A
公开(公告)日：1998-04-21
申请号：US679899
申请日：1996-07-15
申请人： Elliott K. Stava , Peter L. Nicholson
发明人： Elliott K. Stava , Peter L. Nicholson
IPC分类号： B23K9/00 , B23K9/09 , B23K9/10 , B23K9/173
CPC分类号： B23K9/0043 , B23K9/092 , B23K9/1043 , B23K9/173 , B23K2201/12
摘要： A method of and welder for welding a corrosion resistant, wallpaper alloy to the inside surface of a vessel wall formed from a corrosion susceptible steel sheet after the wallpaper alloy has been affixed to the inside to provide an exposed seam of wallpaper alloy extending in a given path wherein the method and welder comprising moving a welding wire toward the seam, melting and depositing the welding wire onto the seam along the path by a short circuit arc welding process of the type having a welding cycle with a short condition and an arcing condition, which arcing condition constitutes a plasma boost portion with a set peak current level followed by a plasma portion with a current decreasing from said peak current level toward a set background current level with a given time between the plasma boost portion and the short condition andsetting the length of time of the plasma portion of the arcing condition to a value greater than 25% of the given time or greater than 2.0 ms.
摘要翻译：一种焊接方法和焊接方法，用于在将壁纸合金固定在内部之后将腐蚀性壁纸合金焊接到由耐腐蚀钢板形成的容器壁的内表面上，以提供在给定的壁面上延伸的壁纸合金的暴露接缝路径，其中所述方法和焊接机包括使焊丝朝向接缝移动，通过具有短状态和电弧状态的焊接周期的短路电弧焊接工艺沿着路径熔融并将焊丝沉积到接缝上，该电弧条件构成具有设定峰值电流水平的等离子升压部分，其后是等离子体部分，其中电流从等离子体升压部分和短暂状态之间的给定时间从所述峰值电流电平降低到设定的背景电流电平，并设定长度的电弧条件的等离子体部分的时间大于给定时间的25％或大于2.0ms的值。

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