As the pencil sharpeners have their own special requirements, the precision demand in its each step from mold manufacture to injection molding production control as well as blade assembly is a difficult and troublesome problem. It is imaginable for amateur or green hand ( if the die results in different shrinking due to design and man...

Mechanical "eye" - to create a guaranteed unmanned automatic injection molding plant      Forefront of the production relies on the operation of ordinary workers, but now in most part of China ordinary workers are the scarcest. With the popularization of knowledge, today's young people are no longer looking for simple manual occupations. More and more peopl...

     Throughout the course of long history of the human society, the process is made along with the development of equipment manufacturing industry. The equipment manufacturing industry is the one has the most far-reaching impact on the development of human society. What’s more, the several stages of development of human society are often ...