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No. 538, Xingfu Road, Ind. East Zone, Chengdu, Sichuan, China
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Product Introduction:
The semi-automatic pneumatic spot welding machine is based on intermediate frequency inverter technology and is specifically designed for the three-layer composite welding of 2+2+2mm carbon steel saw blades with "one large and two small". The upper and lower electrodes are equipped with two welding heads, and the machine head has adjustable electrode spacing to adapt to different diameter combinations; As a standard configuration, the rotary worktable allows the workpiece to automatically rotate 90 ° for supplementary welding after welding. The entire process only requires manual feeding and pressing the start button, and the machine head will automatically press down, lift, rotate, and then press down again, with a smooth cycle. The overall design emphasizes simplicity and durability, with a beautiful and elegant appearance, stable performance parameters, and a complete safety protection mechanism. At the same time, it also takes into account energy saving and consumption reduction. Its unique process logic of "welding head stationary, workpiece rotation" not only ensures the consistency of welding point positions, but also greatly improves the repeatability and yield rate in mass production.
Features:
① One click start can automatically complete the entire process of "downward welding → lifting → rotating 90 ° → secondary welding", with a single cycle taking only 3-5 seconds, significantly increasing daily production.
② No need for manual secondary clamping, the rotating platform directly rotates the workpiece, saving auxiliary time, and the operator only needs to load and unload the material.
③ Synchronized movement of the upper and lower machine heads, completing two welding points simultaneously with one press, doubling the efficiency compared to single head welding.
④ The electrode spacing adjustment mechanism is designed as a quick locking type, with a changeover time of no more than 2 minutes, suitable for quick switching of multiple varieties and small batches.
⑤ The fixed welding machine and rotating workpiece operation mode eliminate the empty travel of the welding machine's back and forth movement, resulting in a compact overall movement rhythm and an effective operation rate of over 95%.
Detailed Images:

Symmetrical double heads: Simultaneously press down the upper and lower welding heads, with two points at a time, to prevent offset welding and virtual welding, with adjustable spacing; Rotate 90 ° for welding repair, uniform at four points, stable pressure and current, efficient and reliable.

Workpiece rotation platform: The rotation platform carries the workpiece and automatically rotates it 90° according to the program, enabling precise secondary weld alignment and ensuring uniform distribution of the four weld points. The indexing positioning is accurate, with smooth operation, effectively improving welding consistency.

Dual cylinders: The upper and lower heads are independently driven by dual cylinders, with adjustable pressure settings to accommodate varying thickness combinations. The downward pressing is smooth and buffered to prevent impact damage to the workpiece, while the pneumatic response is sensitive, ensuring a compact and efficient welding cycle.

Waterway components: All waterway components undergo surface treatment to prevent rusting, and waterway drainage is independently discharged to the water tank. Based on the outflow situation, blockages in the waterway can be observed and eliminated.
Welding Test:


Welding Workpiece: The spot welder is also widely applied in various fields such as automotive components (e.g., nuts, housings, stud welding, and spot welding), home appliance manufacturing (compressor housings, electrical accessories), hardware sheet metal (iron wire products, galvanized plate assemblies), and aerospace precision parts, serving as a versatile, cost-effective industrial platform suitable for thin sheet stacking and multi-point symmetrical welding of various carbon steels, stainless steels, and galvanized plates.
General Structures:


Technical Parameters:
| Items Models | DN(B)-100 | DN(B)-160 | DN(B)-200 | DN(B)-250 |
| Rated power (KVA) | 100 | 160 | 200 | 250 |
| Power input(V) | 3φAC 380V | 3φAC 380V | 3φAC 380V | 3φAC 380V |
| Max. short circuit current (KA) | 30 | 35 | 40 | 45 |
| Duty cycle(%) | 50 | 50 | 50 | 50 |
| Max. force(N) | 6000 | 6000 | 10000 | 15000 |
| Electrode length( MM) | 450 | 450 | 450 | 500 |
| Working stroke( MM) | 80 | 80 | 80 | 80 |
| Cooling consumption(L/min) | 20 | 20 | 20 | 20 |
| Max. welding capacity(MM) | 3.0+3.0 | 4.0+4.0 | 5.0+5.0 | 6.0+6.0 |
Scene Images:


Related Products:
Rocker Arm Spot Welding Machine
Adopting a single arm multi joint rocker arm structure and a horizontal platform type lower electrode combination, specially designed for thin plate welding, the front of the workpiece has no indentation, the back is smooth and deformation free, and there is no need to polish after welding; Its flexible rocker arm can easily penetrate into the interior of the box, coupled with pneumatic pressurization and microcomputer control, ensuring that the welding points are firm and stable. It is widely used in the processing of metal products with high surface requirements such as cabinets, elevator door panels, kitchenware, and automotive sheet metal.
Fireproof Door Spot Welding Machine
FAQ:
1. When can you arrange shippment?
The shippment is 15 days after getting deopsit, but customized machines should be more than 25 days.

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