Painting refers to covering metal and non-metal surfaces with a protective or decorative layer.With the development of industrial technology,painting has shifted from manual to industrial automation,and the degree of automation is increasing.Therefore,the application of painting production lines is becoming more and more widespread,and has penetrated into multiple fields of the national economy.

　　Overview of the Development of Coating Production Lines in China

　　The development of painting production lines in China has gone through a process from manual to automatic production lines.The painting process can be simply summarized as:;Pre treatment→spraying→drying or solidification→three waste treatment.The painting industry in China truly originated from the introduction of Soviet technology in the 1950s,and some aided projects began to establish painting production lines.However,these production lines are generally a combination of steel plate welded slots,steel structure spraying(painting)rooms,and drying rooms(furnaces),operated by manual hanging of workpieces by electric hoists(with a few using hanging conveyors).At that time,pickling tanks were generally made of steel plates lined with lead.With the development of the times,there were tanks lined with fiberglass or all made of fiberglass.Since the 1960s,due to the development of light industry,mechanized production lines and automated production lines have emerged in the bicycle manufacturing industry,as well as program controlled assembly lines formed by adding program controlled trolleys to the original slot assembly line production.These were mainly in the Shanghai and Tianjin regions.At that time,the main task of China's coating industry was still anti-corrosion.But with the development of China's economy and the development of foreign painting technology,through technology introduction and exchange with foreign countries,China's painting technology has begun to develop rapidly.In the field of painting automation production,the promotion and application of electrostatic spraying and electrophoretic painting technology,the development and promotion of powder spraying technology,especially in China's home appliance industry,daily hardware,steel furniture,aluminum components,electrical products The vigorous development of the automotive industry and other fields has made significant progress in the coating industry,and intelligent spraying robots have also emerged in the coating production line.