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焊立 🐵 缝八字 🌹 云条手法

2025-02-11 张奕橙 精彩小资讯



焊立缝八 🪴 字云条手法

🦄 、焊缝形式

八字云条手法的焊缝形式为立缝立缝焊 🕸 。是将焊件竖直排列焊 🌹 条,垂。直于焊件表面进行焊接立缝焊的优点是焊接速度快、生,产,效。率高焊缝质量好焊后变形小

二、工 🌷 艺要 🦅

1. 焊 🐝 前准 🌵

(1)焊件表面清理 🕸 干净,无油污、锈、迹 🌳 杂物等。

(2)将焊条按要求调至 🪴 适当的长度,并端面修整平整。

(3)正确安装焊机,接,好地线并检查焊机性能是否良好 🌳

2. 焊接过程 🦄

(1)点焊。先在焊缝两端各焊一个点焊,以 🦈 。固定 🐘 焊条和焊件

(2)引弧。将焊条端部靠近焊件,并,与焊件,表 🌺 。面形成一个小的间隙 🌼 然后用焊钳夹紧 🐋 焊条同时启动电弧

(3)焊条运条焊条运条。应保持均 🌵 匀、稳定,并。与焊,件。表面形成 🐶 一个适当的夹角焊条的移动速度应与焊条的熔化速度相匹配以保证焊缝的质量

(4)收弧。当焊缝焊至 🦁 焊缝的末端时,应,逐。渐减小焊条的送丝速度并慢慢收弧

3. 焊后 🌳 处理

(1)焊缝冷却后,应,及,时清除焊渣并对焊缝进 🦄 行打磨以保证焊缝的表面质量。

(2)若 🌲 焊缝有缺陷,应,及时进 🐞 行修复以 🌳 确保焊缝的质量。

三、注 🌲 意事项

1. 立缝焊时 🦆 ,应,选择合适的焊条和焊接参数以确保焊缝的质量。

2. 焊条在焊缝中应保持正确的运条方式,以确保焊缝的均匀性和熔合 🐋 🐧

3. 焊缝应及时冷却,并,清除 🍁 焊渣 🐯 以防止焊 💮 缝产生裂纹。

4. 若焊缝有缺 🌺 陷,应,及时进行修复以确保焊缝的质量。

四、应用 🦟 🦍

八字云条手法广泛应用于锅炉、压 🐒 、力、容、器管道桥梁建筑等行业。

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