Design of Temperature Control System for BIW Phosphating Process

Abstract

In automobile manufacturing, the phosphating process is required before the body painting is painted. This article introduces the phosphating liquid temperature of WinCC monitoring system. The main contents include the research and experiment of hardware, software design. The system consisted of WinCC monitor, Water-tank and PLC. The system has realized the measurement of PT100, temperature of solution of PID constant control, heating rod working duty cycle adjustment. This system not only greatly improves the automation level in the actual production line and realizes the remote control but also realizes the simulation teaching. This system has its own economy value, and it can save the teaching cost, it’s a typical combination of practical application.