Contact Locations News Jobs Customer Service

08 Nov, 2023, Company News

Laser Micro Welding Machines: Revolutionizing Precision Welding

Laser Micro Welding Machines: Revolutionizing Precision Welding

Laser micro welding machines have revolutionized the field of precision welding, providing craftsmen with the ability to achieve highly accurate and efficient welds. These machines utilize the power of laser technology to deliver a concentrated heat source, allowing for narrow and deep welds at fast speeds. With the ability to weld even the smallest and most delicate components, laser micro welding machines have found applications in industries such as medical, electronics, automotive, and jewelry.

The Advantages of Laser Micro Welding Machines

1. Precision and Accuracy

Laser micro welding machines offer unparalleled precision and accuracy in welds. The focused laser beam allows craftsmen to achieve welds in the most difficult-to-reach areas with ease. The high power density of the laser beam enables rapid melting and fusion of the target metals, ensuring a strong and precise bond between the components.

2. Versatility

One of the key advantages of laser micro welding machines is their versatility. These machines can weld a wide range of materials, including precious and non-precious metals, plastics, and even dissimilar metals. This versatility makes laser micro welding machines suitable for various applications, from joining small electronic components to repairing delicate jewelry.

3. Efficiency and Cost Savings

Laser micro welding machines offer significant efficiency and cost savings compared to other welding methods. The concentrated heat source of the laser beam allows for faster welding speeds, reducing production time and costs. Additionally, laser micro welding eliminates the need for complex tooling and machining processes, making it a cost-effective solution for manufacturing intricate parts.

4. Non-Contact Process

Unlike traditional welding methods, laser micro welding is a non-contact process. This means that access to the weld zone is required from only one side of the parts being welded. This non-contact nature of laser micro welding reduces the risk of distortion or damage to the components, ensuring high-quality welds.

Types of Laser Welds

Laser micro welding machines can achieve different types of welds depending on the application and desired outcome. The three main types of laser welds are:

1. Conduction Welds

Conduction welds are performed at low power levels, resulting in wide and shallow weld nuggets. These welds are ideal for applications where a strong bond is required without excessive penetration or heat input. Conduction welds are commonly used for joining thin sheets and delicate materials.

2. Transition/Keyhole Welds

Transition or keyhole welds utilize medium power density to create deeper weld nuggets. The width-to-depth ratio of these welds is typically around 1. Transition welds are suitable for applications where a balance between penetration and heat input is required, such as joining dissimilar metals or welding components with varying thicknesses.

3. Penetration or Full Keyhole Welds

Penetration or full keyhole welds are achieved by delivering high power density directly into the material, creating deep and narrow welds. These welds have a higher width-to-depth ratio, typically between 3 to 10. Penetration welds are commonly used for applications that require maximum depth and strength, such as welding thick metals or creating hermetic seals.

Applications of Laser Micro Welding Machines

Laser micro welding machines find extensive applications in various industries due to their precision and versatility. Some of the common applications include:

1. Medical Devices

The medical industry extensively utilizes laser micro welding for the assembly of small medical devices, implants, and surgical tools. The precise and strong welds achieved by laser micro welding machines are crucial for ensuring the safety and reliability of medical devices.

2. Electronics

In the electronics industry, laser micro welding machines are used for joining small electronic components, such as microchips and circuit boards. The ability to weld these components without causing damage or distortion is essential for maintaining the functionality and integrity of electronic devices.

3. Automotive

Laser micro welding machines play a vital role in the automotive industry, where precision and strength are paramount. These machines are used for welding small components, such as sensors, connectors, and battery terminals. The high-quality welds achieved by laser micro welding ensure the durability and reliability of automotive systems.

4. Jewelry Manufacturing and Repair

Laser micro welding machines are widely used in the jewelry industry for both manufacturing and repair processes. These machines enable craftsmen to join delicate precious metals and repair intricate jewelry without damaging gemstones or delicate settings. The precise control offered by laser micro welding machines ensures seamless and aesthetically pleasing welds.

Choosing the Right Laser Micro Welding Machine

When selecting a laser micro welding machine, several factors should be considered:

1. Power and Energy Range

The power and energy range of the laser micro welding machine should be suitable for the desired applications. Different power options are available, allowing craftsmen to choose the best fit for their specific welding requirements.

2. Spot Diameter and Pulse Durations

The spot diameter and pulse durations determine the level of precision and control offered by the laser micro welding machine. Smaller spot diameters allow for finer and more accurate welds, while adjustable pulse durations enable craftsmen to optimize the welding process for different materials and thicknesses.

3. Ease of Use and Control

A user-friendly interface and intuitive controls are essential for efficient operation of a laser micro welding machine. Look for machines that offer touchscreen interfaces, adjustable settings, and real-time power feedback for precise control over the welding process.

4. Cooling and Maintenance

Consider the cooling system and maintenance requirements of the laser micro welding machine. Effective cooling mechanisms, such as dual fans and radiators, ensure optimal performance and longevity of the machine. Additionally, machines with low-maintenance features, such as long-lasting flashlamps and water cooling systems with replaceable resin sacks, can save time and resources.


Laser micro welding machines have transformed the field of precision welding, offering craftsmen unparalleled accuracy and efficiency. These machines enable the welding of small and delicate components with precision and strength, making them indispensable in industries such as medical, electronics, automotive, and jewelry. With their versatility, cost-effectiveness, and non-contact nature, laser micro welding machines have become essential tools for achieving high-quality welds in challenging applications. When selecting a laser micro welding machine, consider factors such as power, spot diameter, ease of use, and cooling mechanisms to ensure optimal performance and desired results. Embrace the power of laser micro welding machines and unleash your creativity in the world of precision welding.


The latest at a glance

Any questions?

We are here for you

tel+86 18151106863

Customer Service Products Privacy Imprint Company

2023 AeeFar Airtronics Tech

Youtube Ins Facebook