WQ-III is suitable for welding internal and external walls of pipelines. No rails are required and welding can be carried out along the arc surface of the workpiece.
1, WQ-III is swing automatic welding device, one welding can get a wider weld.
2, Swing speed, swing range, center position and left and right residence time can be adjusted, suitable for various specifications of the weld.
3, Small size, light weight, easy to install and move, unskilled workers can also carry out welding.
4, Permanent magnet is installed to avoid welding line disconnection during welding.


Items | Parameter | Note | |
Tractor | Power supply | AC 220V | |
Size | 240×330×310 | W×L×H | |
Weight | 16 Kg | Including swinger | |
Moving mode | Four-wheel drive | Magnet-wheel | |
Walking speed | 0∼700mm/min | ||
Control | Swing motor | DC24V 18RPM | |
Adjustable range of welding gun | Up and down | ||
Before and after | 85mm | ||
Operating Angle adjustment range | 360° | ||
Carry out Angle adjustment range | 0° | ||
Operating function | Swing mode | ||
Swing speed | 0-10RPM(Show with scale) | ||
Swing scope | 0-±10°(Show with scale) | ||
Left and right residence time adjustment | 0-2S(Show with scale) | ||
Central range of movement | 0-±8° | ||
Inching wire feeding | |||
Walking starts/stops | |||
Welding current/voltage control | |||
Choice of walking direction | |||
Walking speed regulation | 0∼1000mm/min(Show with scale) | ||
Welding/non-welding options |
A. Preparation for welding
B. Tractor connection method
C. Packing List | |||
Parts name | Qty | Unit | Note |
Walking welding tractor | 1 | Set | |
Swinging nose | 1 | Set | |
Power line | 1 | Pcs | About 10-15 m |
Welding torch signal cable | 1 | Pcs | About 0.5 m |
Swing signal line | 1 | Pcs | About 0.5 m |
Specification | 1 | Pcs | |
Inner hexagon tool | 1 | Set |

Hymaron Engineering Machinery Co.,ltd is engaged in bringing the most suitable solutions/equipments for client, fabricators, EPC/C companies on pipe fabrication, tank construction, pipeline construction,industrial production lines, clean energy project and other industrial field.
Our Services & StrengthWe have ability of providing workable solutions to support clients to be awarded with shorter project execution time, fewer man-hour cost and higher efficiency construction/fabrication method and better quality during phase of project bidding.
Based client's facility/site space availability, we are able to study/design and present matched configurations on project schedule, quality, cost and productivity to guarantee production pace is accordance with project requirement.
To support project execution, we are always ready to work as fireman to give prompt supply on project materials from different consumables, tools, equipments/machines to special merchandise. With flexibility, we are also glad to perform as procurement agent in China to seek required supply resources.