引弧板用于焊缝的焊接。在焊点的起点和终点处,常因对接焊缝的焊件剖口,所以焊件对接焊缝的型式有直边缝、单边V形缝、双边V形缝、U形缝、K形缝、X形缝等等。而焊缝的起点和终点处,常因不能熔透而出现凹形的焊口,为了避免受力后出现裂纹及应力集中,按《钢结构工程施工质量验收规范》的规定,施焊时应将两端焊至引弧板上,然后将多余部分切除,这样就不致减小焊缝处的截面。
焊接热引弧可调,适用于不同板厚工件的焊接引弧。推力电流可调,适用于各种焊接工艺要求。
Welding hot staring arc adjustable, applicable for starting arc of different thickness of work piece. Thrust current can be regulated, suitable for various welding process requirement.
导弧板将电弧向熄弧栅引导,其靠近动触头一端具有直流引弧角。
A guide arc plate leads the electric arc to the arc splitter and the end close to the active contact is provided with a DC guide arc Angle.
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