Ultra low pressure casting mold useful, how to arrange the process? Thank you
The size stability of die casting die is mainly solved by the following aspects:1, in the die casting process and mold temperature stability under the premise of the mold size! To ensure product size!2, in the design of die casting products, according to the way the product and the simulation of the temperature field, the type of product, the direction of contraction and so on to develop the contraction ratio, the general product shrinkage rate of about 5/1000! Step by step cumulative experience!3, die casting mold in the production period of time, (for example, 5 thousand to 10 thousand times), can do stress treatment, ABP treatment, etc.! In order to reduce the internal stress in the production process of the mould, it can achieve the purpose of stabilizing the size, preventing the fracture and increasing the service life of the die!Want to help you!
While casting field production high temperature is about 660 degrees, some die casting production Aluminum Alloy temperature of 740 degrees, copper alloy die-casting production temperature even up to about one thousand degrees, the temperature and the ambient temperature, the temperature fluctuation is bigger, hot and cold alternating stress caused by the greater! That is, the stress produced in the production process is very large, even if the cryogenic treatment, the stability of the role of the size of the casting mold and plastic mold is not obvious! As for how you choose, you might as well try!
Cryogenic treatment in the connector industry and plastic mold industry has a large number of applications, connectors and plastic products industry production temperature is not high, about 300 degrees! Thus the mold in the production of hot and cold alternating stress is less, after doing a cryogenic treatment, the role of the stability of the size of the more obvious, tube time is longer!
Ultra deep cryogenic treatment process is mainly to eliminate the uneven stress in the process of heat treatment!Cryogenic treatment is mainly to eliminate internal stress or even internal stress! Can play a role in stabilizing the size!
