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You are here: Home » News » Laser welding will become the focus of the next laser industry

Laser welding will become the focus of the next laser industry

Views: 7     Author: Site Editor     Publish Time: 2018-04-03      Origin: Site

In recent years, laser welding machine as a high-quality, high-precision, low-deformation, high-efficiency and high-speed welding equipment, is becoming an important tool for metal materials processing and manufacturing, more and more widely used in automotive manufacturing and other fields. Laser welding irradiates high-strength laser beam to the metal surface. Through the interaction between the laser and the metal, the metal absorbs the laser light and converts it into heat energy. After the metal melts, it cools and crystallizes to form a weld.

This welding method not only has a high degree of automation, a high welding speed, but also can perform any complicated shape of welding more conveniently. Domestic companies currently producing large-scale laser welding machines include Huagong Laser, Han Laser, Ming Lei Laser, and Macro Stone Laser. Especially in the past two years, with the continuous improvement of laser technology, more and more companies have begun to test water. Laser welding and laser cutting and other fields have shown a flourishing development posture for a time.

Although compared with the traditional welding methods, the laser welding machine is expensive, one-time investment is large, and the technical requirements are high. At present, the application in the industry in our country is still relatively limited, but the production efficiency is high and easy to achieve automatic control and other notable features. Make it very suitable for large-scale production lines and flexible manufacturing.

Laser welding will become the focus of the next laser industry

Traditional welding

Laser welding will become the focus of the next laser industry

Huagong Laser High Power Laser Welding Machine

Because the laser beam has a small focal spot and high power density, it can be welded with some high-melting, high-strength alloy materials. And because the heat affected zone of laser welding is small, the deformation of the material is small and there is no need for subsequent processing. In the process of use, the laser beam is easy to guide, focus, and achieve transformation in all directions, and laser welding production efficiency, stable and reliable processing quality, good economic and social benefits. Various advantages have led more and more companies to use laser welding machines instead of traditional welding.

The traditional welding method takes a long time and has low efficiency. Therefore, in the mid-1980s, laser welding as a new technology received extensive attention in Europe, the United States, and Japan. But to talk about the development of laser welding in our country, we must start from 2002. On October 25, 2002, China's first specialized commercial laser welding blanks production line was officially put into operation. It was introduced by TWB, ThyssenKrupp AG, Germany. Since then, Shanghai Baosteel Arcelor Laser Welding Company and FAW Baoyou Laser Welding Co., Ltd. have successively put into production. In 2003, the first domestic large-scale strip online welding equipment provided by Huagong Laser passed offline acceptance. The equipment integrates laser cutting, welding and heat treatment, making China's Huagong Laser the fourth company in the world capable of producing such equipment.

Laser welding is not the same as laser marking or cutting. Its biggest feature is customization. Laser marking and laser cutting can produce large-scale and batch products, but welding can hardly do this because each customer's needs are very different, making laser welding difficult to mass-produce. However, with the advent of Internet and personalized requirements, the growth of small and medium-sized system integrators and automation companies has increased geometrically, and more and more applications for laser welding have been demanded. This situation will change in nature.

Laser marking used to account for more than half of the entire laser processing market. However, from the perspective of the development of the laser industry in 2016, the laser cutting machine market began to break out, and cutting applications began to spread. At the current domestic and international exhibitions, it can be clearly seen that more and more laser companies gradually occupy a larger share. After experiencing the rise of laser marking and the rise of laser cutting, it is believed that laser welding will become The next laser flash point.

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