The Capacitor Discharge Welding Machine is a high-stability capacitor energy storage welding system designed for high-strength steel, hot-formed steel, galvanized sheets, and non-ferrous metals. It is widely used in automotive manufacturing, new energy equipment, and precision metal joining, delivering strong, low-spatter, and highly consistent weld quality.

Core Selling Points
High-energy instant discharge
Max energy up to 30000J
Low heat input control
Minimizes heat-affected zone deformation
Stable discharge system
Capacitor life ≥ 1,000,000 cycles
Smart control system
Parameter accuracy ±1%
Strong process adaptability
Supports nuts, bolts, projections, ring parts
Industrial-grade structure
Heavy-duty frame for continuous production
Technical Specifications
| Energy Storage | Capacitor Discharge |
| Max Energy | 30000J |
| Control System | Microcomputer Control |
| Current Accuracy | ±1% |
| Welding Type | Spot / Projection |
| Cooling | Water Cooling |
| Interface | Touch Screen |
| Structure | Heavy-duty Frame |
| Process | Nut/Bolt Welding |
Applications
Automotive Manufacturing
- Welding of high-strength steel structural components
- Welding of hot-formed steel nuts
- Chassis connectors
- Welding of galvanized sheet bolts
New Energy Industry
- Battery casing connection
- Conductive copper busbar welding
- Energy storage system structural components
Industrial Manufacturing
- Stainless steel structural welding
- Non-ferrous metal joining
- Dissimilar metal welding
Products Description

Industry pain points: unstable welds, heavy spatter, low consistency, high rework
Technical solution: capacitor energy discharge + precision control
Customer benefits:
- Yield increase ≥30%
- Rework reduction ≥40%
- Productivity improvement ≥25%
- Energy cost reduction ≥20%
Why Choose Us
HAIFEI is a professional manufacturer specializing in resistance welding equipment, capacitor discharge welding systems, and industrial welding solutions, serving automotive manufacturing, new energy equipment, energy storage, and high-end industrial sectors with complete welding system solutions.
More stable weld quality
Higher production efficiency
Stronger production standardization

Specialized in resistance welding equipment
Deep experience in automotive & new energy
Mature process database
Complete after-sales service
FAQ

01.What welding applications is this machine designed for?
02.What advantages does an energy storage spot welding machine offer for nut projection welding?
03.Can it be used for high-strength steel and dissimilar metal welding?
04.Is it suitable for automated production lines?
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