English +86-510-88794887
- All
- Product Name
- Product Keyword
- Product Model
- Product Summary
- Product Description
- Multi Field Search
English  |
| Quantity: | |
|---|---|
Product Introduction:
Cantilever backing welding is performed before submerged arc welding of box girders to prevent large currents from burning through the bottom of the weld. It is composed of a trolley, a welding arm, a welding gun mechanical tracking device, a pneumatic system, an electrical control system, a welding machine recovery system, and a gas welding power supply.
Backing welding of box girder generally adopts single arc single wire method, or double arc double wire method.
Technology Parameter:
| Applicable Workpiece Size | 300-1200mm |
| Workpiece Length | 4000-15000mm |
| Welding Speed | 0.3-1.5m/min |
| Return Speed | 3m/min |
| Welding Position | Horizontal welding |
