This product is a system for correction the position shift when the roll material is being delivered in the production line. it has the function of automatic detection, automatic tracking, automatic adjustment, it has a track correction for edge or guide line of the paper,film, non-woven fabrics, aluminum foil etc to ensure the orderliness of the winding and cutting. This system has been widely used in the light industry, printing, printing and dyeing, steeling industry and non-ferrous metal industry. Its mechanical actuator is composed of synchronous motor, ball screw and sliding bearing etc and has advantages of simple structure and high precision, free maintenance.its scaling part utilizes built-in ball screw to withstand the impact od bending moment and dust
