Technical Specifications
| Item | Specification |
|---|
| Product Name | Aluminum Diffusion Welding Machine |
| Model | HFVD-200-Q |
| Main Applications | Aluminum busbar welding, aluminum bar welding, aluminum-nickel
welding, laminated aluminum foil flexible connector welding,
copper-aluminum welding |
| Applicable Industries | New energy, power equipment, energy storage, and related industries |
| Maximum Primary Current | 200A |
| Rated Duty Cycle | 50% |
| Secondary Voltage | 21V |
| Cooling Water Consumption | 150L/min |
Product Overview
The HFVD-200-Q Diffusion Welder for Aluminium is engineered for
diffusion welding of conductive aluminum components, including
aluminum busbars, aluminum bars, aluminum-nickel connectors,
laminated aluminum foil flexible connectors, and copper-aluminum
composite parts. This machine serves industries including new
energy, power equipment, energy storage systems, power distribution
components, and aluminum conductive part manufacturing.
Aluminum's lightweight and conductive properties make it
increasingly popular in new energy and energy storage applications.
However, aluminum welding demands precise control of surface
condition, pressure distribution, and heat input. Without proper
process control, common issues may arise such as oxide-layer
interference, weak interlayer bonding, unstable contact resistance,
operational overheating, and inconsistent batch quality.
For projects involving aluminum busbars, laminated aluminum foil
connectors, aluminum-nickel parts, or copper-aluminum transition
components, please provide drawings, sample photos, material
thickness, weld area specifications, and testing requirements.
Haifei can evaluate machine configuration and develop sample
welding plans based on your specific workpiece requirements.
Aluminum Welding Problems Solved by HFVD-200-Q
Unstable Contact Resistance After Aluminum Busbar Welding
Aluminum busbars and bars are typically used for current
transmission. Incomplete bonding in welded areas can lead to high
contact resistance, abnormal local temperature rise, or reduced
long-term reliability. The HFVD-200-Q is specifically designed for
aluminum busbars and bars where electrical stability is critical.
Insufficient Interlayer Bonding in Laminated Aluminum Foil
Connectors
Laminated aluminum foil flexible connectors consist of multiple
thin aluminum foil layers. The primary welding challenge involves
ensuring proper bonding of every layer. Issues like local weak
bonding, loose edges, and insufficient peel strength can impact
assembly and electrical performance. The HFVD-200-Q can be
configured with appropriate pressing solutions based on foil layer
count, weld area, and peel strength requirements.
Difficult Joining of Aluminum-Nickel and Copper-Aluminum Parts
Aluminum-nickel and copper-aluminum connectors are common in new
energy batteries, energy storage systems, and electrical
connections. Different materials present challenges due to varying
thermal conductivity, electrical conductivity, and surface
characteristics, resulting in narrower welding parameters. The
HFVD-200-Q facilitates process verification for these dissimilar
conductive metal parts, helping customers validate strength,
appearance, and electrical stability.
Noticeable Quality Variation During Batch Production
Aluminum welding is significantly affected by oxide layers,
pressure, temperature, and clamping conditions. Successful sample
welding doesn't guarantee stable mass production. With controlled
parameters, dedicated tooling, and proper cooling, the HFVD-200-Q
helps minimize batch-to-batch variation.
Key Product Features
- Designed for Medium- to High-Load Aluminum Conductive Parts: Suitable for aluminum busbars, aluminum bars, laminated aluminum
foil connectors, aluminum-nickel connectors, and copper-aluminum
composite parts. For thicker, wider, or larger weld area
components, this model provides enhanced output and cooling
configuration.
- 200A Maximum Primary Current for Higher Output Requirements: With 200A maximum primary current, this model supports aluminum
diffusion welding projects requiring higher output capacity. For
aluminum busbars, bars, aluminum-nickel parts, and larger-area
laminated aluminum foil connectors, stable output improves welding
consistency.
- 150L/min Cooling Water Configuration for Continuous Operation: Aluminum diffusion welding generates substantial thermal load, and
cooling conditions directly impact equipment stability and
parameter consistency. The 150L/min cooling water consumption makes
the HFVD-200-Q ideal for extended operation and batch production.
- Better Interlayer Bonding Control for Aluminum Foil Connectors: For laminated aluminum foil connectors, evaluation extends beyond
surface bonding to include internal interlayer bonding, peel
strength, and indentation appearance. With dedicated pressing
tooling, the HFVD-200-Q reduces local weak bonding, delamination,
and insufficient edge bonding.
Typical Application Fields
- New Energy Battery Connectors: Suitable for aluminum busbars, aluminum bars, aluminum-nickel
connecting sheets, copper-aluminum transition parts, and conductive
connectors in battery modules. Weld quality directly impacts
electrical stability, temperature-rise performance, and safety for
current-carrying connections.
- Aluminum Conductive Parts for Energy Storage Systems: Energy storage systems commonly utilize aluminum busbars, aluminum
flexible connectors, current-collecting conductive parts, and
composite conductive structures. The HFVD-200-Q supports aluminum
conductive parts requiring stable batch production.
- Power Equipment and Distribution Systems: Suitable for aluminum busbars, aluminum bars, and copper-aluminum
transition parts used in distribution cabinets, busbar systems,
switchgear, and connection terminals. Stable welded contact
surfaces help prevent local overheating during high-current
operation.
- Laminated Aluminum Foil Flexible Connector Manufacturing: Suitable for laminated aluminum foil flexible connectors, flexible
conductive sheets, battery flexible connectors, and energy storage
flexible connectors. Proper pressure, temperature, and tooling
setup improve interlayer bonding and peel strength.
- Aluminum-Nickel Connector Processing: Suitable for aluminum-nickel sheets, aluminum-nickel composite
conductive parts, and battery connection pieces. Customers should
provide material combinations, thickness specifications, and
testing requirements for process feasibility confirmation through
sample welding.
- Copper-Aluminum Composite Connectors: Suitable for copper-aluminum transition busbars, copper-aluminum
conductive connectors, and composite busbars. Given the significant
material property differences between copper and aluminum, sample
testing is recommended before final equipment configuration.
Product Advantages
- Better for Moving Aluminum Parts from Samples to Mass Production: Many aluminum welding projects achieve basic results during sample
testing but experience fluctuations in contact resistance,
appearance, or strength during batch production. The HFVD-200-Q is
optimized for mass production projects requiring stable output and
continuous cooling support.
- Helps Reduce Overheating Risks in Aluminum Conductive Parts: Welding quality of aluminum busbars, laminated aluminum foil
connectors, and copper-aluminum transition parts directly affects
contact resistance. Diffusion welding creates stable bonds over
larger contact areas, reducing local overheating risks. Final
performance should be confirmed through contact resistance,
temperature-rise, or current-carrying tests.
- Reduces Weak Bonding and Delamination in Laminated Aluminum Foils: Laminated aluminum foil structures are highly sensitive to
pressure and heat input. The machine can be calibrated with
appropriate pressing parameters based on foil layer count,
thickness, and weld area, minimizing quality issues from
insufficient internal bonding.
- Suitable for Dissimilar Metal Process Verification: Aluminum-nickel and copper-aluminum products typically require
verification of weld strength, appearance, electrical performance,
and transition-zone stability. The HFVD-200-Q supports both process
verification and subsequent mass production implementation.
- Reduces Batch Variation Caused by Manual Operation: Aluminum welding demands stable clamping and process parameters.
Dedicated fixtures, standardized pressing processes, and stable
cooling conditions help minimize quality variation between
operators and production batches.
Frequently Asked Questions
What aluminum parts is the HFVD-200-Q suitable for?
The HFVD-200-Q is primarily suitable for aluminum busbars, aluminum
bars, laminated aluminum foil connectors, aluminum-nickel
connectors, copper-aluminum composite parts, and other aluminum
conductive components. It is commonly used in new energy, power
equipment, and energy storage applications.
What is the difference between the HFVD-200-Q and HFVD-100-Q?
The HFVD-200-Q features a maximum primary current of 200A and
150L/min cooling water consumption. It is more suitable for medium-
to high-load aluminum parts, larger weld areas, and projects
requiring enhanced stability in batch production.
Is this machine suitable for laminated aluminum foil flexible
connectors?
It can be evaluated for this application. Laminated aluminum foil
welding requires confirmation of layer count, thickness, weld area,
indentation requirements, and peel strength. Sample welding is
recommended.
Can it weld aluminum-nickel or copper-aluminum dissimilar metals?
Yes, it can be evaluated for these applications. Since material
properties differ significantly, sample testing is recommended
based on material combination, thickness, weld area, and electrical
requirements.
How can electrical performance after welding be confirmed?
Electrical performance is typically confirmed through contact
resistance, temperature-rise, or current-carrying tests. Final
electrical performance should be verified according to the
customer's actual product specifications and testing standards.
What information is needed before quotation?
We recommend providing workpiece drawings, sample photos, material
specifications, aluminum foil layer count, weld area dimensions,
strength or electrical testing requirements, production capacity
targets, and current welding challenges.
