The effect of back gouging ways on impact toughness of CO_2 gas-shielded flux cored weld metal was investigated. 研究了平对接焊接试板不同的清根方式对CO2气保护药芯焊丝焊缝冲击韧度的影响。
Welding Technique of Back-shaping of Overhead Weld 仰平脸单面焊双面成形背面成形的施焊技巧
The method adopts visual sensor monitoring and captures images of field of welding temperature of back of weld. 该方法利用视觉传感来对焊缝背面焊接温度场热图像进行实时检测及处理,从而达到控制焊缝熔透的目的。
Design of Electric Eddy Sensor for Detecting Temperature of Back Side of Weld Pool 检测熔池背面温度的电涡流传感器设计
In the system, topside images of weld pool are captured using commercial CCD camera, thus realizing online control of back weld width based on the model of the topside weld pool geometrical parameters and back weld width. 采用普通CCD(ChargedCoupleDevice)摄像机拍摄熔池的正面图像,提取出熔池正面几何参数,利用熔池正面几何参数与背面熔宽的关系模型,对背面熔宽进行实时控制。
The sensor can detect true voltage signal about the changing temperature of the back side of weld pool when using the step traveling pulse TIG welding on mild steel. A new studying method for penetration control is proposed in this paper. 采用步进式脉冲TIG焊焊接低碳钢时,该传感器能够准确检测到熔池背面温度变化的电压信号,为焊缝熔透控制提供了一种新的研究方法。
Flux copper backing is one of one-side submerged arc welds, the backing flux is uniformly distributed on copper plate, then pressed on the plate by air pipe in order to get shapely back of weld. 焊剂铜垫法是在铜垫板上均匀铺满衬垫焊剂,然后用空气管顶压铜垫板,保证焊缝背面成形美观的一种单面埋弧焊接法。
By means of fuzzy control theory, a fuzzy controller is designed with weld width error on the back and its variation as inputs, the regulating variation of welding current as output. The fuzzy controller lays a foundation for controlling weld penetration accurately. 采用模糊控制理论,设计了以焊缝背面宽度的误差和误差变化率作为输入变量、焊接电流的调节量作为输出变量的模糊控制器,为进一步精确控制熔透状态奠定了基础。