The molding cycle of an injection mold refers to the time required to complete an injection molding process. It includes all the time in the injection molding process. The molding cycle directly affects production effici...
The application of back pressure can ensure that when the screw is rotated and reset, it can generate enough mechanical energy to melt and mix the plastic. Back pressure also has the following uses: ①Put volatile gases, ...
1) Influence on internal stress of products The internal stress of the product is formed due to different shrinkage rates during cooling. When the product is formed, its cooling gradually extends from the appearance to t...
1. The two-color injection molding machine consists of two sets of plasticizing injection devices with the same structure and specifications. According to the production method, the nozzle needs to have a special structu...
1) The cross-sectional area of the injection mold is large, and the hardenability of the selected steel is poor; 2) The carbonization material contained in the selected injection mold steel is severe; 3) The forging proc...
1. Gas generated from the decomposition of plastic melt Some raw materials produce volatile gases when heated, and many raw materials also generate volatile gases when they are overheated. These gases are corrosive and t...
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