Some Development Trends Of Laser Welding Technology

Aug 08, 2024

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Laser and core components
1. High power and ultra-high power: to adapt to efficient welding of thicker plates and larger structural components, further expanding its applications in heavy machinery, shipbuilding and other fields.
2. Enhance stability and reliability: By improving design and manufacturing processes, reduce laser failures and performance fluctuations, ensuring continuous and stable industrial production.
3. Research and development of new lasers: New wavelength light sources such as blue light lasers and green light lasers are constantly developing and improving, making the advantages of welding high reflective materials more obvious and expanding the types and application scenarios of weldable materials.

Foundry and metallurgical industries

In terms of craftsmanship
1. Intelligent process control: Real time monitoring and parameter optimization of the welding process using artificial intelligence, machine learning algorithms, etc., dynamically adjusting welding parameters based on material characteristics, welding environment, etc., to ensure consistency and stability of welding quality.
2. Composite welding process: The composite process combining laser and other traditional welding methods (such as arc welding, etc.) is continuously optimized, comprehensively utilizing their respective advantages. For example, laser arc composite welding can improve weld formation and reduce defects.
3. Fine welding process: In the fields of microelectronics, semiconductors, etc., the requirements for precision and micro area control of laser welding are becoming increasingly high, and the development of micro nano scale welding processes is underway.
4. High speed welding process: further improve welding speed to meet the efficient requirements of large-scale production, especially in industries such as automobiles and consumer electronics.

Foundry and metallurgical industries
Equipment aspect
1. Flexibility and integration: Laser welding equipment will be easier to integrate with production lines, adapt to the welding requirements of workpieces of different shapes and sizes, and achieve rapid switching of production tasks.
2. Robotics and automation: Multi axis robots equipped with laser welding systems are widely used to achieve automated welding of complex trajectories and spatial welds, reducing manual intervention and reliance on highly skilled welders.
3. Equipment miniaturization: In some specific maintenance, on-site construction and other scenarios, the demand for miniaturized and portable laser welding equipment will increase.
4. Diversified functions: For example, some devices will integrate multiple functions such as welding, cutting, surface treatment, quality inspection, etc.
Expansion of application areas
1. In the field of new energy: In the manufacturing of power batteries, the amount of welding used for battery terminals, battery module connections, and other links continues to increase; Used for connecting silicon wafers, solar cells, and other components in the photovoltaic industry.
2. Additive manufacturing (3D printing): Deeply integrated with laser additive manufacturing technology to achieve integrated manufacturing and repair of complex structural parts.
3. High end equipment manufacturing: used for welding aircraft structural components, engine parts, etc. in the aerospace field; Used in the field of marine engineering equipment for welding high corrosion resistance, high-strength steel, etc.
4. Medical field: used for high-precision welding of medical equipment, implants, etc.

 

industrial robotic arm application
In terms of green environmental protection
1. Energy conservation and emission reduction: By improving laser efficiency, optimizing welding processes, and other measures, energy consumption throughout the entire welding process can be reduced.
2. Reduce harmful substance emissions: Reduce the generation and emissions of welding fumes, harmful gases, etc. during the welding process to meet increasingly strict environmental regulations.
Testing and quality control aspects
1. Online detection technology: Develop real-time online detection technologies for weld defects (such as porosity, cracks, lack of fusion, etc.), weld strength evaluation, etc.
2. Multi parameter comprehensive evaluation: Combining multiple parameters such as temperature, stress, deformation, etc. for comprehensive evaluation and prediction of welding quality