JLH gantry submerged arc welding machine is applicable to box-shaped column production line, which implements filler pass welding process after CO2 root pass welding. It can be an ideal alternative to cantilever submerged arc welding machine, featuring a high efficiency in filler pass welding. Unipolar or multipolar welding is optional. Besides, according to different customer requirements, replaceable welding gun is specifically designed for welding "H" or "T" shaped steel. This gantry submerged arc welding machine features simple structure, reliable running, high degree of automation and easy maintenance, which is widely used in the construction, chemical, shipbuilding and machinery manufacturing industries.
Technical Parameters
| Item | Parameters | |
| Box-shaped column section size | Thickness(mm) | 16-80 |
| (300-1200)×(300-1200) | ||
| H-beam section size | Thickness(mm) | 16-60 |
| Web width(mm) | 200-1800 | |
| Flange thickness(mm) | 200-800 | |
| Welding speed (m/min) | 0.2-2.0 | |
| Trolley return speed(m/min) | 3.0 | |
| Whole machine power(KW) | 8.5(not include welding power) | |
