Aluminum frame is one of the important auxiliary materials of photovoltaic modules. It is used to protect the glass edge, strengthen the sealing performance of photovoltaic modules and improve the overall mechanical strength of photovoltaic modules, which is convenient for the installation and transportation of photovoltaic modules. Photovoltaic module frames are generally made of 6063 or 6005 aluminum profiles, which have the characteristics of light weight, strong corrosion resistance, easy molding, high strength, easy cutting and processing, and recyclability. Currently, the market share of aluminum frames is 96%.