Your Leading Ultrasonic Welding Machine Manufacturer

 

In modern manufacturing, especially in automotive, new energy, electronics, and electrical equipment industries, weld quality directly impacts product reliability and performance. Traditional welding methods often struggle to meet the requirements for high-speed production, small weld points, and precise wire harness consistency.

Ultrasonic welding machines use high-frequency mechanical vibrations to achieve solid-state connections without melting the base material, providing clean, stable, and highly repeatable welds—making them an ideal solution for industrial production.

Haifei Intelligent Equipment Co., Limited. is a well-known welding equipment manufacturer. We can meet the precision welding needs of various industries.

 
  • Ultrasonic Spot Welding Machine
    The Haifei HF-WX-20XC-2 is a high-performance Ultrasonic Spot Welding Machine specifically designed for large-section wire harnesses. Utilizing 20KHz high-frequency vibration technology with a...
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  • Ultrasonic Wire Harness Splicing Welder
    The Ultrasonic Wire Harness Splicing Welder is a cutting-edge system designed for high-reliability, oxide-free bonding of wire harnesses in automotive, aerospace, and appliance manufacturing....
    view more
  • Ultrasonic Seam Welder
    Haifei’s ultrasonic welding machine delivers precise, high-strength bonds for copper, aluminum, and other conductive components. Its solid-state welding ensures minimal heat damage and consistent...
    view more
  • Ultrasonic Spot Welder
    Our Ultrasonic Spot Welder utilizes high-frequency mechanical vibrations to create instant, cold welds between similar or dissimilar metals. This innovative technology delivers clean, oxide-free...
    view more
  • Ultrasonic Wire Harness Terminal Welder
    The Ultrasonic Wire Harness Terminal Welder is a latest system designed for high-speed, reliable bonding of electrical terminals in automotive, aerospace, and appliance wire harness production....
    view more
 
Why Choose Us

Rich Experience

Founded in 2009, Haifei has grown from a small business to a world-renowned welding equipment manufacturer. The customer-centric, win-win cooperation philosophy makes the company more mature and powerful.

Production Capacity

Our modern 10,000 m² production facility and team of 100+ engineering specialists enable us to deliver innovative, high-performance welding solutions to industries worldwide.

 

Production Market

Haifei has more than 40,000 successful welding application cases, with customers in Europe, North America, Southeast Asia, India, and other regions.

24H Online Service

If you encounter difficulties in using the product, we will respond to your needs as soon as possible and provide you with the greatest support.

 

 

What Is Ultrasonic Welding?

 

Ultrasonic welding is a solid-state joining process that uses high-frequency mechanical vibrations to generate heat through molecular friction at the contact surface, forming a strong bond without melting the base materials.

 

Core Advantages
 
 
 

No solder, flux, or adhesives required

 
 

High-strength, repeatable welds

 
 

Minimal thermal stress and material deformation

 
 

High efficiency suitable for large-scale production

 

Applications of Ultrasonic Welding Machine

 

Types of Ultrasonic Welding Machines

 

Wire Harness Terminal Welding Machines

The Ultrasonic Wire Harness Terminal Welder is a latest system designed for high-speed, reliable bonding of electrical terminals in automotive, aerospace, and appliance wire harness production. Using ultrasonic vibration energy, it creates cold welds without thermal distortion—Perfect for sensitive electronic applications.

 

 
 
Key Benefits
01.

Precise energy and time control

02.

Minimal insulation damage

03.

High repeatability for mass production

04.

Integrates with automated loading and inspection systems

Typical Applications

 

 

Automotive battery terminals

 

Electronic device terminals

 

High-current connectors

 

 

Wire Harness Splicing Welding Machines

 

The Ultrasonic Wire Harness Splicing Welder is a cutting-edge system designed for high-reliability, oxide-free bonding of wire harnesses in automotive, aerospace, and appliance manufacturing. Utilizing high-frequency mechanical vibrations, it creates cold welds that maintain conductivity while eliminating thermal damage risks.

 
 
Key Benefits
01.

High-speed, uniform welds for multiple wires simultaneously

02.

Low-resistance welds for stable current conduction

03.

Precision fixtures to protect cable integrity

04.

Consistent performance for complex harness assemblies

Typical Applications

 

 

Automotive wire harness splicing

 

Battery pack busbar connections

 

Multi-cable connections for industrial and renewable energy systems

 

Core Components of Ultrasonic Welding Machines

 

Ultrasonic Generator

Converts electrical energy into high-frequency mechanical vibrations for welding.

01

Transducer and Booster

Amplifies vibration and delivers precise energy to the welding horn.

02

Welding Horn / Sonotrode

Transfers mechanical vibration to the workpiece for welding.

03

Clamping and Feeding System

Secures wires or terminals in position, ensuring repeatable welds.

04

Control System

Digital or PLC-based control for timing, amplitude, and energy monitoring, with optional MES integration for production data tracking.

05

How to Choose the Right Ultrasonic Welding Machine

 

Selecting the right ultrasonic welding machine requires clarifying welding requirements, production volume, material specifications, and automation level to match the optimal machine type.

Ultrasonic Wire Harness Terminal Welder

 

1. Define Welding Application

Identify whether your process is single-wire terminal welding or multi-wire splicing, which directly determines the machine type.

Terminal welding machines:

Wire harness splicing machines:

 

2. Consider Material and Wire Specifications

Verify wire gauge, conductor material, and insulation type to ensure weld quality.

 

3. Production Volume and Cycle Time

Calculate required throughput to select appropriate automation level, avoiding overinvestment or insufficient capacity.

 

4. Automation and Data Management

Choose automation level based on production complexity and data requirements.

 

5. Long-Term Maintenance and Expandability

Select a reliable brand for long-term stable operation and future production line expansion.

 

Specifications of Ultrasonic Welding Machine

 

Product model

HF-WX-20DZ

Ultrasonic frequency

20KHz

Power

9KW/12KW

Rated voltage

380V 50Hz

Welding range

35-90mm2

Production efficiency

About 1.2 seconds/time, depending on the welding square

 

Features of Ultrasonic Welding Machine

 

  • Very short process times;
  • Little or no thermal damage to the component due to cold welding tools;
  • Low energy requirement for welding and thus high efficiency;
  • No solvents and additives necessary (pure recycling);
  • Constant, reproducible welding results are possible via a wide range of welding parameters;
  • Different thermoplastic materials can be joined together by ultrasonic;
  • The welding tools do not heat up, so there are no warm-up and cool-down times and the tools can be changed quickly;
  • No risk of injury from hot machine parts;
  • Very good integrability into existing systems;
  • Possibility of intelligent networking and control.
Ultrasonic Wire Harness Splicing Welder

Our Advantages

 

  1. Welding process validation and sample testing
  2. Customized production line design and process optimization
  3. Equipment manufacturing, integration, and commissioning
  4. On-site installation, training, and long-term technical support

 

 

Manufacturing Process

 

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Usage Requirements of Ultrasonic Welding Machine

 

 

  1. Routine checks and cleaning are necessary to prevent issues that could slow down production or cause costly repairs.
  2. Make sure to inspect components like the ultrasonic horn, booster, and transducer regularly.
  3. Lubricate moving parts as recommended by the manufacturer.
  4. It is also essential to ensure that cooling systems are functioning correctly to prevent overheating, which can lead to equipment failure.
  5. Maintaining detailed maintenance logs can help track the condition of the machinery and predict potential failures. Scheduled downtime for maintenance can prevent unexpected breakdowns and extend the lifespan of the equipment.

 

Certificate

 

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Payment Terms

 

 

T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.

 

Packaging & Shipping

 

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FAQ

 

Q: What can you buy from us?

A: Diffusion welding machine, Resistance welding machine, Welding automation, Ultrasonic welding machine, etc.

Q: Why should you purchase from us instead of from other suppliers?

A: 1. Possess high-tech;
2. Integrity marketing;
3. Provide the best solution;
4. Smooth cooperation.

Q: What do we need to do if the machine fails?

A: In the guarantee time(1 year), we will send the spare parts to you for free. And provide the technical consultant for any time.

Q: Can I make my own design and logo on the product?

A: Yes, we do OEM.Welcome global partners.

Q: How do we ensure quality?

A: Always pre produce samples before mass production; Always conduct a final inspection before shipment.

We're well-known as one of the leading ultrasonic welding machine manufacturers and suppliers in China. Please rest assured to buy high quality ultrasonic welding machine made in China here from our factory. For price consultation, contact us.

Ultrasonic Spot Welder, ultrasonic welding machine, Ultrasonic Wire Harness Splicing Welder
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Contact Haifei now to start your project!

Haifei provides comprehensive resistance welding and automated welding solutions, including diffusion welding machines, spot welding machines, seam welding machines, and automated welding equipment, widely used in industries such as new energy, power equipment, and automotive manufacturing.
We offer 24/7 online technical support, ready to answer your questions and respond quickly to your inquiries. Contact us to obtain welding solutions tailored to your production needs.

Contact now!