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Product Introduction:
An efficient semi-automatic equipment for carbon steel saw blade welding, this machine adopts a dual head medium frequency spot welding architecture, supporting one-time clamping multi-point welding of 2+2+2mm triple layered sheets (middle large sheet, upper and lower small sheets). The upper electrode and lower electrode each contain two welding heads, and the electrode spacing can be adjusted left and right through the machine head adjustment mechanism to meet the requirements of different sheet diameter combinations; The equipment integrates a rotating platform, and after starting, the welding head automatically presses down to complete the first set of welding points. After lifting, the platform drives the workpiece to rotate 90 °, and the head presses down again to complete the second set of welding points, ending the cycle. This model is characterized by a simple structure and intuitive operation, with a novel appearance and industrial feel. It has long-lasting and reliable performance, built-in overload and overheating protection, and significantly reduces energy consumption compared to traditional power frequency welding machines. It adopts a workpiece rotation and mobile operation, reducing the mechanical losses caused by frequent displacement of the welding machine. It is particularly suitable for continuous saw blade production scenarios.
Features:
① The power factor of intermediate frequency inverter technology is as high as 0.95 or above, which saves about 30% energy compared to traditional power frequency welding machines and significantly reduces electricity costs.
② Intelligent standby function: If there is no operation beyond the set time, it will automatically enter sleep mode, reducing no-load losses.
③ The welding process is almost splash free, reducing slag cleaning and smoke emissions, and improving workshop air quality.
④ The pneumatic circuit adopts low-power solenoid valves and throttling design, reducing compressed air consumption by 20% compared to conventional models.
⑤ The overall structure adopts a lightweight design, reducing the amount of steel used. At the same time, all electrical components comply with RoHS environmental standards, making green manufacturing friendly.
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
Elevator Door Panels Double Heads Spot Welding Machine
It innovatively features dual electrode heads on the basis of a fixed spot welding machine, completing two welding points in one action. With the help of X/Y-axis moving fixtures and exchange racks, it achieves automated batch welding of elevator door panels. After manual loading and unloading, automatic displacement, pneumatic pressurization, thyristor controlled welding, and cyclic operation are carried out until completion. The whole machine has a compact structure, with a welding capacity of 0.5~1.5mm and an external size of 5250 × 3775 × 2067mm. It runs stably, efficiently and energy-saving, making it an ideal equipment for door panel manufacturing.
Galvanized Sheet Door Multi Head Welding Machine
This is an 11 head multi head welding machine designed specifically for welding galvanized sheet doors, using projection welding technology. The equipment supports manual loading and unloading of materials and automatic completion of welding operations. 11 welding heads can work synchronously, greatly improving production efficiency, ensuring firm and beautiful welding points, and effectively maintaining the anti-corrosion performance of the galvanized layer. It is an ideal choice for mass production in the door industry.
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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