The HFFN-200H(B) Seam Welding Machine Suppliers delivers continuous, hermetic seams for mission-critical applications. By leveraging precise Medium Frequency Direct Current (MFDC) technology, this system produces uniform, high-strength welds ideal for fuel tanks, exhaust components, pressure vessels, and enclosures where a perfect seal is non-negotiable. It replaces inconsistent manual or thermal processes with a repeatable, automated solution for superior quality and throughput.
Key Technical Features
Stable Welding Control
Advanced digital control monitors current, voltage, and pressure in real time to ensure every seam is uniform and defect-free.
High-Precision Seam Positioning
Precision guides and automatic feeding systems keep material in exact position during welding, ideal for continuous production and long workpieces.
Versatile Material Compatibility
Can weld high-strength steel, thin and thick plates, and non-ferrous metals like copper and aluminum, reducing rework and scrap.
Energy saving and low consumption
Efficient power and cooling systems lower energy consumption, while durable key components reduce maintenance and downtime.
Technical Specifications
| Parameter | Specification for HFFN-200H(B) |
|---|---|
| Model | HFFN-200H(B) |
| Rated Power | 200 kVA |
| Input Power | 3-Phase, 380V, 50/60 Hz |
| MFDC Frequency | 1000 Hz |
| Max. Thickness (Mild Steel) | 2.0 mm + 2.0 mm |
| Welding Speed Range | 0.2 - 3.5 meters per minute |
| Electrode Wheel | Customizable width & material (standard copper alloy) |
| Primary Cooling | Closed-loop forced water cooling |
| Control System | Industrial PLC with Color Touchscreen HMI |
Primary Applications
The HFFN-200H(B) Seam Welding Machine Suppliers has a wide range of applications.
Customization on demand
- Longitudinal seam welding or transverse seam welding can be selected.
Intelligent monitoring
- Optional Haifei intelligent welding process monitoring system, which greatly reduces quality inspection costs.
Electrode Option
- Larger or thicker rollers can be customized, and higher-quality chromium zirconium copper can be selected to extend service life.
01
Automotive & Transportation
Hermetic sealing of fuel tanks, exhaust mufflers, EGR coolers, and oil pans. Lap seam welding of high-strength steel parts.
02
Industrial & Pressure Vessels
Manufacturing of chemical drums, hydraulic reservoirs, compressor tanks, and stainless steel piping requiring pressure-rated seams.
03
Consumer & Commercial Appliances
Production of washer drums, water heater tanks, commercial kitchen hoods, and HVAC components.
04
New Energy & Electronics
Seam welding for battery cell cans, power battery module end plates, and conductive metal housings.
Solve These Production Problems
| Common Fabrication Issue | How the HFFN-200H(B) Provides a Solution | Tangible Outcome for Your Business | |
| 1 | Leaks and rework from inconsistent thermal welding (TIG, MIG) on sealed products. | Delivers a continuous, forged seam with controlled nugget overlap for guaranteed integrity. | Eliminate leak-related scrap and recalls. Enhance brand reputation for quality and reliability. |
| 2 | Inability to weld non-ferrous metals like aluminum or copper without defects. | Precise MFDC control manages high thermal conductivity, preventing cracking and ensuring fusion. | Win new contracts for advanced material fabrication. Improve yield on sensitive projects. |
| 3 | Low throughput and high labor cost from manual welding processes. | Automated, continuous seam welding operates at high, consistent speeds. | Boost output capacity and reduce direct labor cost per part. Meet higher demand efficiently. |
| 4 | Part distortion and extra finishing due to excessive heat input. | Minimized heat-affected zone preserves part geometry and surface condition. | Save time and money on post-weld straightening, grinding, or polishing. |
| 5 | Quality varies between operators and shifts, causing compliance headaches. | Digitized weld programs ensure every seam meets the exact same specification. | Guarantee product consistency, simplify quality audits, and ensure compliance with standards. |
Certifications
Our Partners
FAQ
01.Why is MFDC technology better for seam welding than AC?
02.What kind of leak-tightness can I expect?
03.How difficult is it to switch from welding steel to aluminum?
04.Can this system weld thicker materials than listed?
05.What is the typical maintenance required?
06.Can you provide a complete automated work cell?
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