As the WWW technology

which is commonly used on the Internet at present

can’t solve all remote fault diagnosis problem

a detailed solution to the remote monitoring and fault diagnosis system based on Web for rolling mill is introduced

The system integrates CORBA technology with SOAP/Web Service technology and is based on B/S model.It makes dynamic display and transfer for a great deal of on-line data and Firewall traversal possible.The fault diagnosis example shows that the system has better security and stability.It can judge the running-condition of rolling mill drives in time.