What basic requirements must electric welding tongs meet
- 发布时间：2021-12-04浏览量：168
1. The function of electric welding tongs is to clamp welding rods and conduct current. They are the main tools for manual welding and are directly related to the operation safety of welders. Therefore, they must meet the following safety requirements.
2. The electrode holder shall be able to clamp the electrode at any angle set, and ensure safety and convenience when replacing the electrode.
3. The handle of electric welding tongs shall have good insulation and heat insulation performance.
4. The connection between electric welding tongs and welding cables shall be simple and reliable with good contact.
5. Welding tongs shall be light (mass not exceeding 0.6kg) and easy to operate.
6. During welding, it is forbidden to put the overheated electric welding tongs into water for cooling and continuous use.
7. The insulation at the handle of the electrode clamp must be good, otherwise it shall be repaired immediately. If it cannot be used, it shall be replaced. It is forbidden to use electric welding tongs with damaged insulation or without insulation.
