The flash butt welding machine is a steady and high efficiency welding equipment. According to the characteristics of flash butt welding technology,design the overall structure of UZN-25 double metal band saw blade automatic flash welding machine. Introduce the main technological parameters,and analyze the flash welding principle and function flowsheet,with the emphasis on clamping mechanism of the flash butt welding machine.Design and analyze the structure and function of a kind of transport mechanism consists of cam and pneumatic device. After installation and debugging,various technical ind...