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| Categories | Capacitor Welding Machine |
|---|---|
| Brand Name: | HAIFEI |
| Model Number: | HFTR-5000 |
| Company Info. |
| Haifei Intelligent equipment Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
| Parameter | Specification |
|---|---|
| Model | HFTR-5000 |
| Max. Stored Energy | 5000 Joule |
| Charging Voltage | 200 - 450 VDC (Adjustable) |
| Weld Time | 3 - 10 ms (Adjustable) |
| Max. Welding Force | 8 kN |
| Control System | Microprocessor + Touch Screen |
| Data Logging Capacity | ≥100,000 Welds |
The HFTR-5000 is a high-capacity Capacitor Discharge Spot Welding Machine engineered for heavy-duty industrial applications. With a 5000-Joule energy rating, this machine excels at welding high-conductivity metals such as copper, brass, and aluminum alloys. By releasing stored energy in less than 15 milliseconds, it creates a high-intensity weld nugget without the excessive heat buildup that causes workpiece deformation or surface oxidation.
Provides the necessary thermal shock to penetrate thick copper busbars and electrical contacts.
Equipped with a digital charging circuit that maintains a voltage stability of ±0.5%, ensuring consistent weld quality across massive production runs.
The ultra-fast discharge prevents heat from spreading to the surrounding material, preserving the temper and finish of the workpiece.
Can be operated on a standard factory power grid (20kVA-30kVA), eliminating the need for expensive high-capacity transformers required by traditional AC welders.
High-strength welding of copper busbars and silver contacts.
Joining thick copper/aluminum terminals and battery pack connectors.
Assembly of low-voltage and medium-voltage electrical cabinets.
Projection welding of fasteners to galvanized steel or stainless steel without marking the reverse side.
| Feature / Dimension | Our Intelligent Equipment | Standard Welding Equipment |
| Heat-Affected Zone (HAZ) | Minimal: No surface damage, zero deformation. | Large: Causes blueing, charring, or warping. |
| Power Grid Requirements | Low: Operates on standard factory power. | High: Requires high-capacity transformers. |
| Welding Precision | Digital: Precision control with ±0.5% error. | Analog: Unstable; affected by voltage drops. |
| Post-Processing | None: Ready for painting or assembly. | Mandatory: Requires manual grinding/polishing. |
| Production Efficiency | High: Fast cycle times; automation-ready. | Low: High maintenance; manual intervention. |
A: Yes. The rapid energy release of the HFTR-5000 is ideal for joining dissimilar metals with different melting points and thermal conductivities.
A: A CD welder like the HFTR-5000 draws power slowly to charge the capacitors and releases it instantly. This prevents the "voltage dip" in your factory grid that often occurs with high-kVA AC welders.
A: While the electrodes may require cooling during high-frequency production, the machine itself generates very little internal heat due to its efficient energy storage design.
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