Product Introduction
The HFDB-320 Automative Spot Welding Machine is a high-performance welding solution that uses advanced mid-frequency inverter (MFDC) technology to achieve precise, efficient, and clean welding. It is especially suitable for welding various automotive components-from high-strength steel and galvanized sheets to nuts and bolts-with strong, reliable weld quality, making it a core piece of equipment for improving welding consistency in automated production lines.
Product Analysis and Sample Display
Key Selling Points
Energy consumption can be reduced compared with some conventional AC welding systems, depending on welding cycle, duty load, transformer configuration, and production conditions.
01
Stable MFDC current control helps reduce spatter when welding current, pressure, time, and electrode condition are properly matched.
02
Cycle time may be shortened in suitable applications, depending on workpiece structure, weld point quantity, loading method, and automation layout.
03
Helps improve weld appearance when parameters, electrodes, and surface condition are properly controlled.
04
In suitable configurations, MFDC inverter systems can help improve power utilization and reduce grid impact.
05
product advantages
Faster Cycle Time
Welding cycle is about 20% shorter than traditional AC welders, helping to increase production line speed.
More Compact Design
Smaller and lighter transformer allows for more compact gun design, suitable for space-limited workstations.
Better for Power Grid
Low impact on the grid, with power factor up to 0.95-no additional compensation devices needed.
Better Weld Appearance
Smooth, uniform weld surface with minimal indentation or deformation, meeting high-end cosmetic requirements.
Welded automotive parts display
Product Specifications
| Parameter | Specification |
|---|---|
| Model | HFDB-320 |
| Rated Capacity | 320 KVA |
| Input Voltage | 3-Phase, 380V ±10%, 50/60Hz |
| Max. Welding Capacity (Low-Carbon Steel) | 4.0mm + 4.0mm |
| Output Current Range | 10–320 KA |
| Welding Time Adjustment | 1–500 ms (1ms steps) |
| Cooling Method | Water Cooling |
| Dimensions (Approx.) | 800mm (W) × 600mm (D) × 1400mm (H) |
| Weight (Approx.) | 280 kg |
Product Uniqueness
Typical Automotive Applications
Door Hinges and Door
Lock Parts
Used for spot welding and projection welding of door hinges, door lock brackets, latch plates, and related stamped parts.
01
Seat Rails and Seat Frame
Components
Suitable for seat rails, seat frame brackets, reinforcement plates, and high-strength steel parts that require stable weld strength.
02
Seatbelt Buckles and Safety
Components
Can be used for selected safety-related metal components where weld consistency and process monitoring are important.
03
Nut and Bolt Projection
Welding
Suitable for welding nuts, bolts, pins, and fasteners onto automotive sheet metal parts, brackets, and structural components.
04
High-Strength Steel and Galvanized
Sheet Parts
Used for automotive parts made of high-strength steel, hot-formed steel, and galvanized sheets, where current control and electrode maintenance are critical.
05
Problems Solved:
Weak traditional welds, excessive spatter, high energy consumption, difficulty welding coated materials or high-strength steel, inconsistent weld quality leading to high rework rates.
Customer Benefits
Higher Quality
Consistent, high-strength, cosmetically clean weld points reduce inspection costs and customer complaints.
Lower Costs
Direct savings on electricity, less electrode wear, less post-weld cleaning-significantly lowers overall production costs.
Efficiency Leap
Faster welding cycles and stable automated performance directly increase overall output.
Our Cooperative Partner and Certificate
cooperative partner
We have served over 3,300 customers worldwide, and our long-term partners include Tesla, BYD, and Siemens.
Over 40+ Fortune 500 companies.
Certifications
40+ Patents and 2 National Software Copyrights
10,000㎡ Factory with 100+ skilled employees.
HAIFEI Customer Site
Why Choose Us?
We are a high-tech enterprise focused on R&D, manufacturing, and service of mid-to-high-end resistance welding equipment, committed to providing advanced joining technology solutions for automotive, aerospace, and other industries.
Industry Focus: We specialize in automotive component welding processes and deeply understand your challenges and needs.
Proven in Practice: Our equipment has been long-term proven on production lines of numerous automotive component suppliers-stable and reliable.
Service First: We offer free trial welding services (as shown in your videos), letting the results speak for themselves so you can verify with zero risk.
Ongoing Support: Full-cycle technical support from equipment integration and process debugging to after-sales maintenance.
Meeting Higher Customer Requirements - Customized Options
Customized cylinders or electric cylinders are available.
Optional Haifei intelligent welding process monitoring system, which greatly reduces quality inspection costs.
Different electrodes can be selected for welding different materials.
Customized Case Studies – Non-standard Equipment Showcase
FAQ
01.Can thisAutomative Spot Welding Machine weld aluminum or copper?
02.Is the machine easy to integrate with our existing robots?
03.Compared to traditional AC welders, what is the actual energy saving?
04.Do you offer a warranty? How long is it?
05.How can I confirm this machine is suitable for my product?
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