Plastic injection molds are basically divided into static molds and dynamic molds. The one with sprue sleeve on the side of the injection head of the injection molding machine is a static mold. The static mold is generally composed of a sprue sleeve, a backing plate, and a template. Simple molds can... read more
Why does the mold generate gas when making the product? ①The material in the feeding system entrains gas or there is air in the cavity, and the gas in the runner and cavity is not discharged in time during the forming process. ②Insufficient drying in the resin contains water, which evaporates and be... read more
1. Wear resistance When the blank is plastically deformed 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 causes the mold to become effective due to wear. Therefore, the wear resistance of the ma... read more
Injection mold polishing has two purposes; one is to increase the smoothness of the mold, so that the surface of the product produced from the mold is smooth, beautiful and beautiful; . The matters needing attention in injection mold polishing are as follows: (1) When a new mold cavity starts to be ... read more
Problems that are prone to occur in the molding of BMC injection products: 1. During the whole molding process of BMC injection products, the gas is not released immediately, and the gas accumulates; 2. The temperature of the mold is too high, causing the raw material to not fill the mold core to be... read more
With registered capital of 2600,000 US dollars, Nenghai can reach an annual output value of more than 60 million.
