1, automatic welding into open and submerged arc two arc automatic welding, probably can improve production frequency two times, and the automatic submerged arc welding can improve the production frequency of 5-10 times, submerged arc automatic welding submerged arc welding, automatic welding for the title.
埋弧焊是利用焊剂层下的电弧，来加热并凝结焊条、四周的焊剂和母材，而进行焊接的一种工艺办法，又所谓焊剂层下电弧焊。
Submerged arc welding is a kind of welding method, which uses the arc under the flux layer to heat and condense the welding rod, the flux and the base metal, and the welding process.
即电弧正在焊剂层上面熄灭，自动焊机头将焊丝自动送入电弧区，以保证选定的电弧长度，电弧靠焊机的控制，均匀地向前移动，进行焊接作业。
That is, the arc is being put out on the flux layer, and the automatic welding head automatically sends the welding wire into the arc zone to ensure the length of the selected arc.
2、焊接进程的机器化和主动化，是近现代焊接技能的一项主要发展。它没有只标记着更高的焊接生产频率和更好的焊接品质，并且还大大好转了生产劳动环境。
2, the welding process of mechanization and automation, is a major development of modern welding technology. It is not only marked with higher welding production frequency and better welding quality, but also greatly improved the working environment.

手工电弧焊进程，主要的焊接举措是引燃电弧、送进焊条以维持一定的电弧长度、向前挪动电弧和熄弧，假如这多少个举措都由工具来主动宪成，则称为自动焊。

Manual electric arc welding process, the main measure is to ignite the arc, arc length, welding rod to maintain a moving arc and arc, if this number of moves by the tool to the constitution is called active, automatic welding.
3、埋弧焊有以下优点
3, submerged arc welding has the following advantages
(1)生产频率高口埋弧焊能够运用较大的直流电，电弧的穿透威力较强，焊缝熔深大。埋弧焊热能集合，焊接进度快，生产频率比细工电弧焊进步5-10倍。
(1) the production of high frequency DC submerged arc welding can be used in large, strong penetrating power arc weld penetration. Submerged arc welding heat collection, welding progress, production frequency ratio welding progress 5-10 times.
(2)焊接质量高而且稳定口焊接规范可自动控制调整，保持稳定口焊剂保护效果好，预防气氛对于熔池非金属的损害口加上直流电大，熔池非金属与渣反响充足，使其因素匀称。埋弧焊焊缝非金属品质高，功能稳固，且表面成形美妙。
(2) high welding quality and stable welding specification can be automatically controlled and adjusted to maintain stable export flux protection, prevention of atmosphere on the molten pool non metal damage plus DC TV, the molten pool of metal and slag reaction enough, the symmetry factor. The submerged arc welding is of high quality, stable function and beautiful surface.
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