·China's independent welding equipment industry brewing breakout

â–  Rapid growth of independent welding equipment enterprises On March 23, Zhejiang Wanfeng Technology Development Co., Ltd. successfully acquired a leading international welding robot application system service provider, Paslin Corporation of the United States. Founded in 1937, the company's core business is automation system concepts, industrial design, construction and production assembly experience, providing automation system solutions for the global automotive industry and heavy industry production.
In the field of domestic automotive equipment manufacturing, the Wanfeng robot industry is known for its fields of automated casting, grinding, cleaning, and picking up. Wanfeng Technology said that through this acquisition, Paslin will create synergies with Wanfeng Robot in the field of industrial automation, providing customers with automation solutions from roughing to machining and component joining. This also means that China's local enterprises have added a new force in the field of independent automotive welding.
At the beginning of this year, led by Professor Shao Xinyu of Huazhong University of Science and Technology, Huagong Laser Engineering Co., Ltd. (referred to as Huagong Laser), Shenlong Automobile, Shanghai GM, Jianghuai Automobile, Wuhan Falilai Welding System Engineering Co., Ltd., Shanghai GM, Jiangling The project of “High-quality and high-efficiency laser welding, cutting key technology and complete equipment in automobile manufacturing” jointly completed by the R&D team of more than ten companies including Great Wall Motor won the first prize of National Science and Technology Progress Award. "The valuable part of this project is not only that it breaks the monopoly of China's high-end laser processing equipment market, but also drives the international level of laser processing technology in China's automobile manufacturing industry." China Machinery Industry Science and Technology Ma Jingkun, director of the award-winning work office, told reporters that before the results of this project came out, China's automobile welding and cutting field has always been the world of foreign ownership. With the launch of this project, domestic automakers have begun to use a wide range of high-end laser welding, cutting processes and complete sets of equipment developed and manufactured locally. He believes that the application of large-scale laser welding process will play a very positive role in improving the quality of self-owned brands.
According to the reporter's understanding, as a leading company in the field of laser welding in China, Huagong Laser's high-efficiency laser welding technology and equipment has more than 500 sets of complete sets of equipment applied to the production lines of Shenlong, Great Wall, Jianghuai, Shanghai GM, Jiangling and other enterprises; Nearly 100 kinds of key functional components research and development, and a variety of complete equipment design, manufacturing and system integration; completed 10 invention patents, 24 utility model patents, and 3 enterprise standards. From the customer's feedback, some of the important indicators in the long-stroke lap welding, unequal thickness welding and non-penetration precision thick cutting are even better than their counterparts.
â–  Wide application space for laser welding technology The automotive industry provides a broad market for laser welding and cutting technology applications. Not only in the field of body welding, laser welding and cutting technology is also widely used in the manufacture of automotive parts. According to statistics, 70% of automotive parts can be laser welded. The application of laser welding in automobiles can be divided into two categories: one is laser tailor welding of shearing plates; the other is welding of various assemblies and body frame structures. Laser cutting can be used in automotive manufacturing for thin parts such as laser trimming, slab preparation, and machining of various holes.
In the automotive industry, laser technology is mainly used for body welding and part welding, such as welding of canopies and side panels. The refined welding production method represented by laser welding promotes the advancement of automotive welding technology with a new technical concept. In addition, some new connection methods are also the first to be applied in automotive manufacturing. For example, variable polarity MIG/MAG welding methods, laser-arc hybrid welding methods, magnetic pulse welding methods, bonding and mechanical connection methods have been successfully applied in the manufacture of various new models.

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