This paper analyzes the importance of realizing the automation of braze welding in large- lot braze welding, and points out that realizing the automation of braze welding must make evaluation on its economic feasibility at first, and then make good job of the preparation in aspects of techniques, materials, equipment and personnel, etc.

The use of VFP relational database facilitates management of data from automatic drill rod exploration system,including printing,inquiring,deleting,communicating,and makes it possible to draw plane stress diagram and section stress diagram of the foundation which are important for evaluating the foundation.

It is found that constituent element interdiffusion is strongly occurred through interface between two materials and an interdiffused layer is formed during electron beam self-materials brazing.