Laser welding process and principle
Welding Processes and Principles 1.1 Definition of Welding Welding is the process of joining two or more materials, either similar or different, by creating atomic or molecular bonds through heating, applying pressure, or a combination of both. The methods used to facilitate these bonds include heating, pressing, or both simultaneously. 1.2 Classification of Metal Welding Metal welding can be categorized based on the characteristics of the process into three main types: fusion welding, pressure welding, and brazing. Fusion Welding In fusion welding, the workpieces to be joined are heated until they melt and form a molten pool. Once the molten pool cools and solidifies, the materials are joined. This process […]
Laser cleaning technology principle and application progress
With the continuous development of high-end fields such as aerospace, petrochemical, high-speed rail, weapons, and nuclear power in China, the environments in which various equipment components are located have also changed accordingly, with increasingly high requirements for the performance of metal material components. To improve overall equipment performance and extend the service life of parts, laser cleaning technology has received widespread attention and research without changing the base material.Common industrial cleaning methods include mechanical grinding, high-pressure water jet cleaning, and chemical cleaning. However, these methods have disadvantages such as low work efficiency, harsh environments, easy damage to the workpiece surface, and inability to meet high cleanliness and high precision cleaning […]
Application of laser cutting technology in mechanical processing
Laser principles and classification Lasers are laser generating devices and are widely used in medical, aerospace, machining, automotive electronics, shipbuilding and cutting-edge scientific research fields. The laser is mainly composed of three parts: pump source, gain medium and optical resonant cavity. The pump source provides energy to the laser. The gain medium absorbs the energy provided by the pump source, inverts the particle number, and provides a medium system for the light amplified by stimulated emission of radiation. The optical resonant cavity provides a space for energy excitation, which can repeatedly reflect light, enhance the excited light, and finally release the laser.According to the time domain characteristics of optical fiber, […]
The advantages of handheld laser welding machine
Handheld laser welding machines have revolutionized the welding industry by offering numerous advantages over traditional welding methods. This guide explores the key benefits of these machines, providing detailed insights into their features, applications, and overall impact on various industries. 1. Minimal Heat Input Handheld laser welding machines significantly reduce the heat input required for welding, resulting in a smaller heat-affected zone. This minimizes deformation and preserves the integrity of the workpiece. 2. High Welding Speed These machines can weld at speeds up to 10 times faster than traditional methods like TIG and MIG welding. This increased speed enhances production efficiency and reduces labor costs. 3. Precision and Control Handheld laser welders offer exceptional […]
Application of laser processing technology in mold manufacturing
With the development of science and technology, laser technology, as an advanced processing method, has been widely used in the manufacturing industry. As the basic process equipment for industrial production, the manufacturing accuracy and efficiency of molds affect the quality and production cost of products. Traditional mold parts processing methods are difficult to meet the high requirements of modern manufacturing in some aspects, and laser processing technology has gradually become a new favorite in the mold manufacturing field with its high precision, high efficiency and non-contact characteristics. Laser processing technology can not only achieve precision cutting and welding of metal materials, but also perform surface treatment and micro-processing. Therefore, laser […]
Aluminum alloy laser welding technology and its application
Aluminum alloy has the advantages of light material, corrosion resistance, low temperature resistance, and good mechanical properties. It is widely used in many industrial manufacturing fields such as aerospace, rail transportation, automobiles, ships, and chemicals. In recent years, with the country’s macroeconomic system reforms on environmental protection, energy conservation, and emission reduction, there has been a great demand for aluminum alloy materials, especially high-strength aluminum alloy materials with high rigidity, high corrosion resistance, excellent processability, and high mechanical properties. It has gradually become an indispensable important material for lightweight applications in various manufacturing industries. At present, the main welding methods for aluminum alloys are TIG welding, MIG welding, stir friction […]
Effective application of laser welding technology in automobile manufacturing
Laser welding technology has the characteristics of high welding process efficiency and good flexibility. In the automobile manufacturing process, it can be used for the welding of automobile bodies and the welding of various automobile parts, reducing the overall weight of the automobile body, improving the accuracy of body assembly, and meeting the needs of lightweight automobile manufacturing. Quantify and improve the demand for safety performance, while also reducing assembly costs and stamping costs in automobile manufacturing and improving the integration of the body. Laser welding technology principles Laser welding is essentially a fusion welding technology that uses laser beam as the main energy source to complete the welding work […]
Portable laser welding machine buying guide
Power and Laser Type The power of the laser is one of the most important factors to consider. Higher power lasers can weld thicker materials but are more expensive. Common power options are: You’ll also need to choose between pulsed or continuous wave (CW) lasers. Pulsed lasers are better for thin sheet metal while CW lasers are required for thicker workpieces. Portability and Design Since these are handheld units, portability is key. Look for compact and lightweight designs that are easy to maneuver. The welding gun should have an ergonomic grip and be well-balanced. Some models come with a rolling cart for easy mobility. Ease of Use User-friendly controls and […]
Application of laser technology in aviation machining
With the rapid development of the aerospace industry, higher requirements have been placed on the processing technology of aerospace engine parts. Traditional mechanical cutting has been unable to meet the needs for processing accuracy and processing efficiency. As a non-contact processing technology, laser processing has the advantages of high processing precision, small heat-affected zone, high processing efficiency, and high degree of automation. It shows great application prospects in the precision processing of key components of aerospace engines. Laser processing technology can achieve precision processing of complex three-dimensional structures that are difficult to achieve with traditional mechanical processing, greatly improving the overall performance of aircraft engine components. Application of laser technology […]
Control System of Laser Cutting Machine for Profiles
Special-shaped materials, such as square tubes, rectangular tubes, oval tubes, flat tubes, U-shaped tubes, channel steels, I-beams, etc., are widely used in the furniture industry, display shelves, etc. due to their beautiful appearance, good strength and mechanical properties. Fitness equipment, sheet metal processing, decorative advertising, kitchenware and bathroom, household appliances, agricultural and forestry machinery and other fields. These pipes usually need to be connected accordingly to form a variety of entities. The connection between two or more pipes is called pipe intersection in drawing geometry and engineering drawing, and the curve formed at the intersection is called intersection. Wire. Where pipes intersect, holes need to be drilled into the pipes, […]
