Abstract
Iron and steel industry is the country's basic industries and pillar industries of the national economy, iron and steel is an important consumables in the Modern society, save labor, raising the bars production line degree of automation is an important issue. PLC in raising the level of industrial automation and production efficiency is of great significance, rolling and bars production line in an important means of automation. District finished bar steel up-charging device products is the key of the collection, it is cooling bed throat site. This article is for old-fashioned bar steel up-charging device can not meet the speed of the modern mill, Siemens PLC by the bar steel up-charging device on the control device, PLC increased speed of bar steel up-charging device, precise positioning of the device, improve productivity and increase efficiency, The topics mainly through PLC process mill rate, closed switches’ signal and data, etc. Output order the correct order of action, skirt of bar steel up-charging device can be fast, accurate to bar dumping into the main cooling bed. bar steel up-charging device rapid positioning devices.
Keywords:PLC Bar production lines bar steel up-charging device