Knowledge

1. The appearance of the weld is well formed, the shape is smooth and excessive, the width of the weld should cover the edge of the groove by 2mm, the surface of the weld should no

1. Welders should dress in accordance with safety regulations 2. The tools used by welders should be packed in tool bags. 3. There are reliable anti-scalding measures on the surfac

1. Pipe installation When installing the pipeline, it is very necessary to get the help of the welding machine. At this time, the pipeline welding machine is a tool. When people ar

1. After the preparation work, turn on the operation switch, carefully adjust the working current and start welding. 2. For any reason, when the electric fusion welding machine sto

The automatic pipe welding machine can crawl magnetically, without track, wireless remote control, and real-time parameter adjustment. 8. Solid core welding wire is welding downwar

1. Pipe installation When installing the pipeline, it is very necessary to get the help of the welding machine. At this time, the pipeline welding machine is a tool. When people ar

(a) All welders who participate in pipeline welding must hold a certificate to work. The scope of welding must be consistent with the qualifications obtained in the qualification e

1) General provisions ① This chapter is applicable to manual arc welding and argon arc welding of on-site welding equipment and pipelines of carbon steel with carbon content less t

1. When welding, the arc length should not be too long, and the welding pool should not be too large, otherwise it will cause poor weld formation or air holes. 2. Be sure to contro