Manual welding of BGA refers to the process of removing and welding BGA, QFN, QFP and other electronic components with hot air gun, electric iron and other tools.This is a traditional way of rework.Before 2004, when BGA rework tables were not popular in China, hot air guns and electric irons were widely used in SMT factories, computer repair shops and after-sales repair points.Because before that, almost all BGA rework tables were imported, the price was very expensive, and only foreign-funded enterprises would consider using them in general.Domestic-funded enterprises in the extensive Pearl River Delta, Yangtze River Delta and other regions have just developed, the management and production system needs to be improved, various production processes need to be improved and introduced, and the production equipment of various departments needs to be updated.In this case, the vast number of domestic enterprises are struggling and can only rely on cheap labor to support the production of enterprises.For expensive auxiliary equipment, it is basically not considered.
After 2004, the domestic batch of BGA rework platform R & D manufacturers really began, and Dataifeng Technology Company is one of them.Since then, domestic enterprises have slowly accepted BGA repair equipment, and gradually introduced it into the production workshop, and the repair process has been improved.In this process, the BGA rework table has greatly improved the success rate of rework welding, and even replaced the hot air gun and electric iron, becoming the mainstream rework equipment.The BGA rework equipment can complete operations that cannot be completed by ordinary soldering tools, such as optical alignment. For example, the BGA rework table can avoid the deformation of the reworked motherboard to a greater extent, and also ensure that the BGA is not damaged.
Compared with manual welding, the advantages of BGA rework table are obvious.With the development of SMT equipment, ball mounting machine, tin remover and other automatic auxiliary equipment have not been widely used today. Hot air gun and electric iron combined with other tools and auxiliary materials have also played a great role in the field of repair.However, in another 20 years, due to the increase of labor costs in the Mainland and the international requirements for industrial 4.0, electronic processing enterprises will urgently find a way to save costs and improve the level of automation.At that time, automatic BGA rework table, automatic tin remover, automatic ball planting machine and other automatic equipment will be widely used.
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