Mobile phones are common in our life now, and Liquid Silicone Rubber is widely used as the main material in the waterproof mobile phones. There are many differences between the process of LSR and the traditional thermoplastic rubber in terms of shrinkage, demoulding, die material, cold runner system, temperature control and so on, make liquid silicone rubber difficult to manufacture than ordinary thermoplastic. Toady, we are mainly concerned with the problems of Liquid Molding Silicone Rubber waterproof process and the corresponding solutions.
1.Bad adhesion. Solutions: manual adhesive transition to transfer printing, automatic coating.
2.The difficulty of dismantling. LSR engineers are involved in the design of injection tank in the early stage, providing feasible suggestions, freezing and dismantling, stamping dismantling and other ways of dismantling.
3.Excessive glue and lack of glue. The German precision injection control system is used to control the rubber in the die cavity to less than 100g.
4.Tolerance deviation. The scientific design of the prophase mould, selection of the Liquid Silicone Moulding Material, control the molding temperature through the temperature control. The forming process of all kinds of materials and LSR is strictly controlled.
5.Appearance damage of complex parts. Positioning point optimization, key area to protect.
6.Choose professional manufacturer.
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