Linking with his own teaching experience,the author of the article thinks that theoretical education reform should start from three aspects : to sue for practicality is the foundation of good teaching ; to sue for novelty is the main key of good teaching; to sue for depth is the garantee of good teaching.

Solving the Problem of Break in Deep-drawing Work by using Plastic Membrane;

Wrinkle cause of stainless thin wall deep drawing and its solution;

The use of plastic film to prevent the cracking of deep drawing part;

The deep drawing technology research for the rib part of bending sheet metal;