Two-color Injection Mould (Automobiles & Vehicles - Auto Parts & Services)
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Item ID 2995250 in Category: Automobiles & Vehicles - Auto Parts & Services
Two-color Injection Mould | |
Most designers are a focus on one color injection mould companies, so they don’t to how to design when we met Two-color plastic injection mould. So we will talk about the theory and important point about Two-color mold. Two-color mold has another name “two-shot mold”, they inject two resin on the same machine but injection two times. Typically consists of 2 sets of mold, the core side will rotate 180 degrees, but cavity side will be fixed. But the molding part is only ejected out one time. we always call it Two-color injection molding and need a special Two-color injection machine. The characteristics of Two-color mould: 1, Two shapes of the cavity are different, forming 1 kind of product each. But the core side has the same shape. (Note: if there are not the same, use sliders) 2, After the cavity rotates 180 degrees. The cavity must fit another core, The designer should pay attention to this point. 3, Please carefully check the data of color injection molding machine such as maximum mold thickness. The minimum allowable mold thickness, K.O. holes distance etc.. 4, The gate should be cut automatically in plastic moulding company plate Bicolor mold, especially soft resin. 5, When we design the second injection cavity. We should leave some space to avoid scratch but must think about the seal area, the molding part has the possibility of deformation and cause flash. 6, We can make the first molding part a little bit bigger than spec.It will be pressed tighter when the second injection, reduces the risk of flash. 7, Pay attention to in second injection molding if they will make the first molding part deformed by resin flow. If that is possible, we must think of a way to improve the. 8, We should make the cooling system plenty, balance and same in two mold 9, 99% we injection hard material first, injection molding plastics before soft is easy to deform 10, In order to make the two plastic stick more tightly, we should consider “sticky” of two resin and the roughness of mold surface  | |
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| Target State: All States Target City : All Cities Last Update : 27 September 2024 11:06 AM Number of Views: 26 | Item Owner : injectionmoldchina Contact Email: Contact Phone: 021-52913487 |
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2024-12-22 (0.655 sec)