
埋弧
A new IGBT inverter control by SCM for submerged arc welding is developed.
研制开发出一种单片机控制的新型IG BT逆变埋弧自动焊机。
This paper analyzes the common breakdown of submerged arc welding machine and parameters' adjustment.
继续分析了自动埋弧焊机的常见故障和相关参数调整。
The powder submerged arc welding technique can be applied in welding medium \u0026 thick steel plate patch.
对不具备窄间隙埋弧焊机条件下的厚板拼接提供了借鉴。
Produced stress concentration if weld reinforcement too large for submerged arc welding, so it should be control.
埋弧自动焊焊缝余高过大会对压力容器产生应力集中的影响,因此应加以控制。
This article describes the whole process of JCOE longitudinal submerged arc welding pipe made from rolling plate.
简述了采用热轧卷板制造直缝埋弧焊接钢管的全过程。
"Submerged arc"(埋弧)是工业焊接领域的专业术语,由两个核心部分组成:"submerged"(浸没的)指物体完全被液体或颗粒物覆盖的状态,"arc"(电弧)指电极间气体放电形成的电离通道。该技术主要应用于埋弧焊(Submerged Arc Welding, SAW),其原理是通过颗粒状焊剂覆盖电弧和熔池,实现高效、高质量焊接。
埋弧焊在焊接过程中,电弧被一层可熔化的颗粒状焊剂完全覆盖,焊剂隔绝空气并形成保护性熔渣,同时参与冶金反应。焊丝与工件间的电弧热量使焊丝、母材及焊剂共同熔化,形成致密焊缝。美国焊接协会(American Welding Society)指出,此工艺适用于厚板焊接,能量密度可达$10 mathrm{W/cm}$,显著提升熔深效率[来源:aws.org]。
焊剂成分(如CaF₂-SiO₂-MnO体系)直接影响焊缝金属的脱氧、脱硫效果。美国金属学会(ASM International)实验数据显示,优化后的焊剂可使焊缝冲击韧性提升30%以上[来源:asminternational.org]。
“Submerged arc”是焊接领域的专业术语,通常指“埋弧焊”(Submerged Arc Welding, SAW)中的核心工艺特征。以下是详细解释:
在埋弧焊中,电弧在焊剂层下燃烧,焊剂熔化后形成液态熔渣覆盖电弧和熔池,起到多重作用:
Submerged arc 的核心是“被焊剂覆盖的电弧”,其技术特点使埋弧焊成为高效、高质量的重工业焊接方法。如需进一步了解操作参数或应用案例,可参考焊接专业手册或标准(如AWS相关规范)。
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