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Product Introduction:
The semi-automatic pneumatic spot welding equipment based on intermediate frequency inverter technology is designed for the "one large, two small" triple layer welding requirements of 2+2+2mm carbon steel saw blades. It is equipped with two spot welding heads on each side, and the electrode spacing of the machine head can be adjusted left and right, making it easy to cope with different combinations of inner and outer diameters; As the core auxiliary mechanism, the rotary platform automatically rotates the workpiece 90 ° after the first welding, and then the machine head presses down again to complete the symmetrical welding point. The entire cycle only requires one clamping and one starting. The product structure design is exquisite, the layout of each component is reasonable, the appearance is novel and modern, and the electrical and pneumatic systems work together to ensure that the welding pressure and current are consistent each time, and the welding quality is stable; In terms of safety protection, it is equipped with a grating or dual start button (depending on the configuration), which is reliable and energy-saving by about 20% -30% compared to traditional resistance welding machines. The strategy of "welding head stationary, workpiece moving" effectively reduces the inertia of moving parts, improves positioning accuracy and equipment lifespan.
Features:
① Equipped with a color touch screen, welding parameters (current, time, pressure, rotation angle) can be digitally set and stored in multiple sets of formulas, making it easy to call.
② There are multiple emergency stop buttons (left, right, and front) around the fuselage, which can cut off power and electricity within 0.1 seconds in case of emergency.
③ Equipped with a full range of electronic protections for overcurrent, overvoltage, undervoltage, overheating, gas shortage, motor overload, etc., it automatically shuts down and prompts in case of abnormalities.
④ The head lifting adopts a buffer cylinder, and the downward end has a deceleration function to avoid hard impact damage to the workpiece or mold.
⑤ The electrical control cabinet has a protection level of IP54, effectively preventing dust and splashing, and can still operate reliably in workshop environments with high levels of metal dust.
Detailed Images:

Symmetrical double heads: Simultaneously press down the upper and lower welding heads to complete two welding points in one operation, avoiding alignment deviation and virtual connection problems. Adjust the distance between the welding points as needed; Simply rotate 90 ° for welding repair, with uniform force distribution at all four corners and stable pressure and current throughout the process, making welding operations more efficient, worry free, and reliable.

Workpiece rotation platform: The workpiece is placed on the rotating platform, and the platform will automatically rotate 90 ° according to the program to ensure accurate alignment of the repair welding, so that the four welding points can be evenly distributed in one go; And the division positioning is very accurate, the rotation process is smooth, and the welding consistency is naturally more guaranteed.

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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