Haifei Intelligent equipment Co., Ltd.
| Brand Name | HAIFEI |
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Aluminum Busbar Welding Machine
Product Specification
| Brand Name | HAIFEI | ||
| High Light | aluminum aluminium welding machine ，aluminum diffusion welding machine price | ||
| Model | HFVD-150-YS |
| Pressure system | Closed-loop temperature control |
| Control system | Digital control with parameter storage |
| Materials | Aluminum, Al-Ni, copper-aluminum composites |
| Structures | Busbars, flexible connectors, conductive plates |
| Temperature control | Closed-loop temperature control |
| Automation | Production line integration supported |
The Haifei Aluminum Diffusion Welding Machine utilizes advanced solid-state bonding technology. By precisely orchestrating temperature and pressure, it facilitates atomic-level diffusion between mating surfaces—achieving a seamless molecular bond without reaching the material's melting point.
This process is the gold standard for manufacturing high-quality Flexible Aluminum Connectors, Aluminum Busbars, and Copper-Aluminum (Cu-Al) Transitions. It effectively eliminates common fusion welding defects such as oxidation, porosity, and joint embrittlement.
1.Filler-Free Joining (Solid-State Bonding)
Requires no solder, flux, or filler metals. This eliminates the risks of joint aging, galvanic corrosion, and resistance fluctuations over time.
2.Superior Oxidation Control
The solid-state process prevents the formation of thick oxide layers during bonding, ensuring the electrical conductivity of the interface matches that of the base material.
3.Reliable Dissimilar Metal Joining (Cu-Al)
By maintaining precise thermal input, the system prevents the formation of brittle Intermetallic Compounds (IMC), resulting in a ductile, high-strength joint between copper and aluminum.
4.Optimal Electrical Performance (Zero-Resistance Growth)
Creates a continuous molecular interface that ensures ultra-low contact resistance and minimal heat rise, even under high-current loads.
5.Structural Integrity & Precision
Since the bulk material does not melt, there is no macro-deformation or structural collapse, maintaining strict dimensional tolerances for complex busbar geometries.
1.Electric Vehicles
Flexible foil connectors for battery modules and Pack-level aluminum busbars.
2.Energy Storage Systems
High-current interconnects for battery racks and ESS enclosures.
3.Power Grid & Distribution
Transformer windings, switchgear conductors, and busway systems.
4.Rail Transit
Traction power systems and high-capacity conductive assemblies.
Q: How does diffusion welding compare to laser or ultrasonic welding for aluminum?
A: While laser and ultrasonic welding are suitable for thin-gauge or small-area tabs, diffusion welding is the superior choice for large cross-sections and multi-layered foil stacks (up to hundreds of layers). It provides higher mechanical strength and more uniform current distribution.
Q: Can this machine handle copper-to-aluminum bonding?
A: Yes. One of our core competencies is dissimilar metal bonding. Our equipment precisely manages the diffusion layer thickness to prevent the brittleness typically associated with Cu-Al joints.
Q: Does diffusion welding affect the tempering of the aluminum?
A: Because it operates below the melting point, the thermal impact is much lower than fusion welding. Our precise temperature control minimizes the heat-affected zone, preserving the material's ductility and mechanical integrity.
Q: How do you guarantee the quality of thick, multi-layer stacks?
A: We synchronize pressure, temperature, and dwell time to eliminate microscopic gaps. The system monitors these variables in real-time, ensuring consistent, full-surface molecular bonding across every layer.
Company Details
Business Type:
Manufacturer
Year Established:
2009
Total Annual:
15000000-45000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1.Intelligent Welding Equipment Manufacturer HAIFEI is a professional manufacturer of intelligent welding equipment and customized automation solutions for advanced manufacturing industries. We specialize in the research, development, and production of polymer diffusion welding machines, medium... 1.Intelligent Welding Equipment Manufacturer HAIFEI is a professional manufacturer of intelligent welding equipment and customized automation solutions for advanced manufacturing industries. We specialize in the research, development, and production of polymer diffusion welding machines, medium...
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