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Cantilever Type Back Welding Machine for Box Beam Production Line
1. Specifications:
| Workpiece size | 3001200 mm |
| Welding speed | 0.151.5 m/min |
| Return speed | 3 m/min |
| Trolley track gauge | 1400 mm |
| Main machine power | 1.4 kW |
| Air source pressure | 0.50.7 MPa |
| Welding machine assembly | Panasonic welder YD-600KH×4 sets, control box, control cable, and cooling water tank. |
2. Description:
The back welding machine is often used before submerged arc welding for box beam. It can avoid high current burning-through the bottom of welding seam. The main manner of backing welding for box beam is single arc single wire. Double arc double wire can also be employed to carry out that welding process. The equipment is mainly composed of lining trolley, welding arm, welding torch mechanical tracking device, pneumatic system, electric control system, welding flux recovering system and gas shielded welding power supply. The Panasonic YD-600KH welder is often chosen as the welding power for the equipment.
The electrical control box is install inside of vertical boom ,operation panel is on the door of electric control box . The electrical control box is control the moving of cart, elevating of welding arm and power start/stop. The cart moving is frequency control .It can adjust the moving speed according to the welding technology.
3. Goods Supply range
a. Cart part: moving cart, motor reducer, and vertical column, cross boom
b. Welding arm, carriage plate: welding arm, carriage plate, motor reducer.
c. Welding seam tracking device: arc-guide frame , arc-guide wheel ,and gas cylinder .
d. Electric control system: electric control box, operation box, AC frequency converters.
e. Pipe wire system : control cable, gas source pipe and slide wire frame.
f. Welding system: Panasonic welderYD-600KH×4sets,control box, control cable and cooling water box (also can use other brand)
