Double injection mold design Notes: 1 In the second injection cavity design, in order to avoid cavity insert (or rub) has been formed for the first time hurt a good bit of plastic products can be designed to avoid the empty part. However, the strength must be carefully considered every bit of plastic closures, namely: in the precision injection mold steel, whether or not there will be at high injection pressure, plastic deformation occurs, resulting in a second injection may be approved front possible? 2, during the injection, the first injection molded product size may be slightly larger, so that it is in the second molding cavity presses tightly with another, in order to achieve the role of sealed gum. 3, note that in the second injection molding, plastic flow of whether the first impulse has been forming a good product to plastic deformation bit? If there is a possibility, must find ways to improve. 4, two cavity and core of carrying water arrangement as fully as possible, and balanced, the same. 5.99% of the cases are injection molded hard plastic part of the product first, and then injection molded soft part of the product. Because soft deformation. 6, in order to make the two plastic "stick" even tighter, to consider the roughness of the "sticky" and the material between the mold surface. Color injection molding has a special TPU; and more smooth surface of the mold, they "stick 'tighter injection molding process, the material is injected into the base of the top cover, bottom, around or inside Sheng precision molds, combined into a complete unit. This process can be repeated by injection molding or insert molding covering material generally used for multiple injection molding elastic resin: if the covering material of construction allows, multiple injection is a good method for the processing of medical device technology needs. injection molding machine equipped with a special multiple barrel in order to inject a different resin injection mold. barrel should be placed side by side, or L-shaped, by one or more injection points resin into the mold using a single injection point, known as common plastic, composite parts production as being a sheath core resin material. When using multiple injection points, known as the secondary injection of high precision molds, a material in another material above molding precision molds, produce multilayer structure. However, many times the injection does not apply to all products. When the second injection, you must move the slider or the mold core cavity to another, there is a method that will punch into another injection molding machines Precision mold processing, large color injection molding manufacturers (certified), precision molds provided by Karen multicolor Xin Technology Co., Ltd. Karen Xin multicolor (www.szhxds.cn) Guangdong Shenzhen, plastic leader, over the years, the company implement scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Hengxin multicolor led the staff warmly welcome all inquiries negotiations to create multicolor Hengxin more a better future.