Shenzhen Zhucheng Powder Metallurgy Co., Ltd.

MIM Introduction

MIM is a new part preparation technology, which is a new part processing technology formed by introducing plastic injection molding technology into the field of powder metallurgy. Plastic injection molding technology can produce a variety of complex and inexpensive plastic products, but the strength of plastic products is not high, in order to improve its performance, in the plastic to add metal powder to get high strength, good wear resistance products. The idea has now been developed to maximize the solid particle content and to completely remove the binder during the subsequent degreasing sintering process, thereby densitizing the shaped body. This new powder metallurgy forming method is called metal injection molding.

 

The process of MIM is:First, the solid powder and organic binder evenly mixed, after granulation in the heated plasticized state by injection molding machine into the mold cavity to solidify, and then use chemical or thermal decomposition method to form the binder in the blank removal, and finally by sintering densification to obtain the final product.

 

MIM process products not only have the characteristics of complex shape and easy mass production of "plastic injection molding" process, but also have the physical, chemical and mechanical properties close to precision casting and forging, and have unique advantages in the preparation of near-net forming products with three-dimensional complex geometry, uniform structure and high performance.

 

Therefore, it is generally believed that the development of MIM technology will lead to a revolution in parts forming and processing technology, known as "today's popular parts forming technology" and "21st century forming technology".

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