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Four characteristics of precision injection molds
The rapid growth of precision molds, China's precision mold industry used to be in the forefront of the world. At present, China's precision molds have four characteristics: wear resistance, toughness, fatigue fracture function, and low temperature function. The following are the four characteristics of precision molds for everyone.  

Four features of precision molds 

1, wear resistance  ;
When the blank is plastically denatured in the mold cavity, it moves and slides along the outside of the cavity, causing intense friction between the outside of the cavity and the blank, which incurs the effect of the mold due to wear. Therefore, the wear resistance of the data is one of the most fundamental and important functions of the mold.  
Hardness is an important factor affecting wear resistance. Under normal circumstances, the hardness of the mold is higher, the wear is smaller, and the wear resistance is better. In addition, the wear resistance is not related to the variety, number, state, size and distribution of carbides in the guess.  

2, toughness
The premise of the mold is mostly very stubborn, and some often suffer from a large hit load, which leads to brittleness. fracture. In order to avoid the sudden break of the mold machine, the precision metal mold must have high strength and toughness. The toughness of the mold depends on the carbon content, grain size and structure of the material - precision mold manufacturing.  

3, fatigue fracture function 
During the mold process, under the long-term effects of reincarnation stress, each often causes fatigue fracture . In its situation, there are small energies that repeatedly attack fatigue breaks, stretch fatigue breaks, fatigue breaks, and tortuous fractures. The fatigue fracture function of the mold depends on its strength, toughness, hardness, and the amount of inclusions in the guess.  

4, low temperature function 
When the temperature of the mold is higher, the hardness and strength will decrease, causing the mold Effective in late wear or plastic deformation. Therefore, the precision metal mold data should have high anti-tempering stability, in order to ensure that the mold has high hardness and strength at the temperature.

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