1. 包含两种基本的类型：横缝焊接和纵缝焊接。

2. 一台机器可以同时具备横缝焊接和纵缝焊接两种功能，只要将转换一下上电极轮的方向和更换一下下电极臂，就可以在几分钟内完成两种焊接方式的切换。

3. 单轮驱动，保证上下两轮切线速度一致。

4. 广泛应用于五金、家电、汽车、摩托车油箱、制盆、制罐等金属制造和加工行业。

1. There is two standard models: Transversal Seam Welding Model and Longitudinal Seam Welding Model.

2. Also one machine can be used as both transversal seam welding and longitudinal seam welding, only need to change the direction of upper seam wheel head and change the lower welding head and welding arm within minutes.

3. Driven one head and free the other head. The two seam wheels have the same tangential speed.

4. Widely used in hardware, appliances, automotive, manufacturing pots, can, fuel tank, tank producing and other metal manufacturing and processing industries.