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1,Over Molding
It's a way of injection molding method with two or more sets of molds. It enables two or more materials with different colors or different performances to form together. In addition, these materials can be plastic, metal, rubber or any other. Products manufactured with this method are excellent in countenance, duality and processing. The product shown in the following picture is a typical case of the over molding. The first step contains three equal procedures: molding lens with injection material PC, tooling the key with stainless steel, casting the clasp with zinc casting materials .And then place the joint key and clasp into an injection molding machine to mold the cover with PC + ABS material. Finally, with the same method in the previous step, put the joint lens and cover into another set of machine to mold key-press with TPU materials and it's completed.




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