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No. 538, Xingfu Road, Ind. East Zone, Chengdu, Sichuan, China
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86-28-8420-8558
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Product Introduction:
The dual-head capacitor-discharge resistance projection welding machine is a highly automated custom special-purpose machine, with its core technology lying in the equipped capacitor-discharge welding control cabinet and pneumatic-hydraulic booster system. Theautomatic projection welding machine is designed specifically for circular buckle clamps, with independent upper and lower electrodes and vibratory bowl feeding mechanisms on both the left and right sides. During operation, the vibratory bowls automatically feed the small parts with projections to above the electrodes, and the operator manually places the circular ring into the positioning fixture. After startup, the left and right welding heads press down in sequence, instantly releasing a massive pulse current to collapse and fuse the projections. This capacitor-discharge process features an extremely short discharge time and a small heat-affected zone, which not only ensures the penetration depth of projection welding but also prevents annealing and distortion of ring-shaped parts. The perfect combination of a fully enclosed frame and a PLC touch screen makes the custom resistance welding process extremely stable, controllable, and efficient.
Features:
1.Heavy-duty industrial-grade frame: The base is welded from sturdy rectangular steel tubes and an aluminum profile frame, and is equipped with leveling feet. During operation, the machine body is as stable as a mountain, with no resonance and no displacement.
2.Pneumatic-hydraulic booster cylinder drive: Compared with ordinary pneumatic cylinders, the pneumatic-hydraulic booster cylinder can provide stable mechanical thrust several times greater than the air pressure, ensuring that the electrodes firmly hold the workpiece during instantaneous high-current discharge without bouncing.
3.High-precision dedicated fixture: The center-positioning fixture is custom-designed for circular collars and machined from wear-resistant materials, ensuring that the workpiece is placed in the absolute center every time and guaranteeing the repeatability accuracy of the weld spot position.
4.High-quality copper alloy electrodes: The upper and lower electrodes are made of high-conductivity, high-temperature-resistant chromium-zirconium copper, featuring fast heat dissipation and long service life. Even under long-term high-frequency operation, the electrode tips will not soften or deform.
Welding Test:


Welding Workpiece: To perfectly eliminate the common pain points of thermal deformation and excessive spatter in thin-walled ring welding, this dedicated capacitor discharge projection welding machine utilizes a dual-head, step-by-step process. While primarily engineered for tabbed steel clamp rings, it broadly accommodates ring-shaped hardware like pipe hoops, exhaust clamps, hose clamps, pipe clamps, tab clamps, metal fastening rings, and U-clamps. Capable of handling carbon steel, galvanized steel, and stainless steel with custom stamping tabs, this equipment is highly suitable for mass production across hardware fasteners, automotive parts, home appliance assemblies, and pipeline engineering industries.
Detailed Images:

Dual Independent Welding Heads & Electrodes: Dual-head step-by-step automated operation completes both ends in a single setup. Program-controlled anti-deviation and excellent electrode conductivity double your production capacity.

Pneumatic-hydraulic intensifier cylinder: Extremely fast response and stable output of massive pressure complete the pressing action instantly, ensuring zero cold welds and zero missed welds even under high-frequency production.

Dual Vibratory Bowl Feeders & Feeding Mechanism: Achieves a fully automatic rhythm where "materials wait for the operator." Vibratory feeders automatically convey small tabs, eliminating material-searching time for seamless assembly line production.

Energy storage welding control box: A perfect tool for high-frequency continuous operations. Millisecond discharge forms the weld instantly with concentrated heat that protects the workpiece, greatly shortening the welding cycle.
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:
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The MFDC DC Double-Head Projection Welding Machine for Steel Drum Locking Rings is a specialized resistance welding machine designed for welding steel drum lid locking rings and latch assemblies. It adopts medium-frequency inverter DC welding technology and is equipped with a double-head welding mechanism, a pneumatic pressurization system, dedicated copper electrodes, and positioning fixtures. According to the preset welding current, welding time, and electrode pressure, the machine performs projection welding at designated joint locations to achieve reliable connections between metal components. It integrates an electrical control system and auxiliary pneumatic components, making it suitable for dedicated welding applications in steel drum lid locking ring production. The machine helps improve workpiece positioning consistency, welding quality stability, and production efficiency, while allowing dedicated fixtures and welding parameters to be adjusted according to workpiece structure, dimensions, and process
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The shock absorber storage cylinder convex ring special machine is a specialized equipment developed for the forming process of automotive shock absorber storage cylinder convex rings. It adopts advanced hydraulic forming and precision control technology to achieve high-precision and high-efficiency processing of the storage cylinder convex ring parts. This device is designed specifically for the manufacturing of core components of automotive suspension systems, and can meet the requirements of convex ring forming for different specifications of oil storage cylinders.
Vertical Projection Welding Machine for galvanized door edge and metal sheet
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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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