This paper introduces the application that improves the production efficiency of Assel mill via a reasonable program design of position controller GEL7541 , CEL7511 and electronic cam GEL7813. The ?

• 通过合理设计位置控制器GEL7541、GEL7511和电子凸轮GEL7813的程序,提高Assel轧管机的生产节奏。