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No. 538, Xingfu Road, Ind. East Zone, Chengdu, Sichuan, China
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Product Introduction:
A semi-automatic pneumatic spot welding machine developed specifically for the triple layer welding of 2+2+2mm carbon steel saw blades. It adopts a dual head intermediate frequency output, with two welding heads on each of the upper and lower electrodes. The distance between the head electrodes can be adjusted left and right to accommodate different diameter combinations; The equipment is equipped with a workpiece rotation platform, and the working cycle is as follows: after installing the workpiece, press the start button, and the left and right welding heads synchronously press down for welding. After completion, the platform drives the workpiece to rotate 90 °, and the machine head presses down again to complete the welding, indicating the end of the cycle. The design style of this model is simple and modern, with good overall structural rigidity, low operating vibration, and digitally adjustable welding parameters to ensure consistency in each batch of products; The safety interlock and fault self diagnosis functions are fully equipped, making the use process worry free and reliable. Its significant feature is that the welding machine body remains fixed and only the workpiece rotates and moves, which not only reduces the equipment footprint, but also reduces the stress on the motion cable. At the same time, the intermediate frequency technology brings significant energy-saving effects, with excellent comprehensive efficiency and economic benefits.
Features:
① Modular design, power supply, pneumatic valve group, rotary table, etc. are all independent units that can be replaced directly in case of failure, with short downtime.
② The electrode head adopts a quick plug interface, which can be replaced by hand without the need for special tools, and the cost of spare parts is low.
③ Both the gas and electrical circuits are equipped with clearly labeled terminal blocks and branch valves, making daily inspection and maintenance easy to understand. The maintenance manual is illustrated with pictures and text.
④ Provide remote IoT interface, manufacturers can remotely monitor device status and assist in parameter optimization, quickly responding to anomalies.
⑤ Automatic loading and unloading devices can be optionally selected or connected to the assembly line to achieve fully automated production without the need to replace the host.
Detailed Images:

Symmetrical double heads: Compared with the traditional single head method, this machine adopts symmetrical double heads, with synchronized compression of the upper and lower ends, completing two-point welding in one go, effectively avoiding deviation welding and cold welding, and the spacing can be adjusted arbitrarily; After 90 ° turning and welding, the four points are symmetrical and consistent, and with stable pressure current output, not only is the efficiency doubled, but the reliability is also significantly enhanced.

Workpiece rotation platform: Compared to manual or rough rotation, this rotary platform adopts program controlled 90 ° automatic rotation, which provides more accurate welding alignment and higher uniformity of the four points; And the division positioning is accurate, the action is stable, and the welding consistency is substantially improved as a result.

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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