Japan has carried out large-scale research on the application and basic technology of carbon fiber reinforced nylon (CFRP) and metals (especially aluminum and steel). Japan leads the world in carbon materials and welding technology…… 【阅读全文】

New resistance welding technology medium frequency resistance welding: medium frequency inverter DC resistance welding (referred to as medium frequency resistance welding) control power supply is made…… 【阅读全文】

With the development of automobile industry, in order to save energy and safety, a large number of new materials are used in the body. The structure material of body gradually develops from single steel structure to high strength and high quality steel structure,…… 【阅读全文】

Ultrasonic plastic welding is the transmission of high frequency mechanical vibration through the workpiece to the interface part, so that the molecular accelerated movement. The molecular friction is converted into heat to melt the plastic at the interface,…… 【阅读全文】

In the process of actual analysis and understanding, it is necessary to comprehensively understand and control the development status and characteristics of automobile body welding technology,…… 【阅读全文】