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Product Introduction:
Unlike traditional single-head manual spot welding machines, this dual-head capacitor discharge projection welding machine achieves a comprehensive upgrade in the welding of clamp products. Traditional welding machines require manual positioning and are prone to missed welds and offset welds, whereas this equipment automatically arranges and feeds the buckles through left and right vibratory bowl feeders, so workers only need to place the ring and both sides are welded automatically. Adopting capacitor discharge technology, it is more energy-efficient than traditional AC welding machines, produces minimal spatter, and requires no secondary grinding. The left and right independent cylinders press down in sequence, avoiding workpiece deformation caused by simultaneous dual-head pressing. From manual alignment to automatic feeding, from single-point manual operation to dual-head stepwise automatic projection welding, this equipment uses the power of non-standard automation to solve the three major problems of labor shortage, low efficiency, and poor quality in ring-shaped part welding.
Features:
1.“One machine replaces two”: The dual welding head design completes welding at both ends in a single clamping, effectively integrating two single-head welding machines while eliminating one handling and realignment step, delivering an extremely high return on investment.
2.Labor savings: One operator and one machine can complete work that previously required two to three people to coordinate (one person handling small parts, one handling large parts, and one welding), significantly reducing the company’s labor cost expenditure.
3.Electricity savings: The capacitor power supply charges and then discharges instantly, so it does not need to continuously consume high power like AC welding machines. Overall energy consumption is greatly reduced, saving a considerable amount in electricity costs over long-term operation.
4.No grinding, lower consumption: The spatter-free characteristic means there is no need to purchase additional grinding tools and consumables, and the labor and time costs of the grinding step are also eliminated, directly reducing overall manufacturing costs.
5.Enhanced quotation competitiveness: The production model of high quality, high efficiency, and a low defect rate gives your clamp products stronger cost and delivery advantages in the market, making it easier to win large orders.
Welding Test:


Welding Workpiece: Utilizing an advanced dual-head, step-by-step capacitor discharge projection welding process, this machine specifically engineers flawless joints for tabbed steel clamp rings and broadly accommodates various ring-shaped hardware components including pipe hoops, exhaust clamps, hose clamps, pipe clamps, tab clamps, metal fastening rings, and U-clamps. It effectively welds custom stamping tabs onto thin-walled metal rings made of carbon steel, galvanized steel, or stainless steel, perfectly solving issues of thermal deformation and excessive spatter to meet the rigorous mass production demands of the hardware fasteners, automotive parts, home appliance, and pipeline engineering industries.
Detailed Images:

Dual independent welding joints and upper and lower electrodes: Dual-core drive, synchronized yet step-by-step! Program-controlled anti-deviation and high-conductivity electrodes lock in precise welds.

Pneumatic-hydraulic intensifier cylinder: Gas-liquid booster, massive power! Multiple times the thrust compacts instantly, rejecting bouncing and saying goodbye to cold welds.

Left and right double vibration discs and feeding mechanism: Fully automatic feeding, freeing your hands! Dual vibratory bowls sort precisely, letting the machine wait for materials, not the workers.

Energy storage welding control box: Energy storage black tech, deciding the weld in milliseconds! Highly concentrated heat means no spatter, no deformation, and a finished product right after welding.
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:


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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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