论述了在悬挂式曲轴热处理生产线的电气控制系统中 ,采用触摸屏为操作核心 ,成功的实现与PLC可编程序控制器人机对话。提高了生产线电气控制系统的技术先进性和运行可靠性 In the electrical control system of suspension crankshaft heat treatment production line, the touch screen is used as the operation core, and the successful realization of man-machine dialogue with PLC programmable logic controller. Improve the production line electrical control system of advanced technology and operational reliability