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The main points of the mold in the early stage of design

I. Pre-design review matters Work steps 1. Mold material 2. Molded product Molding machine selection 4. The basic structure of the mold base 2. The important project of mold design 1. Multi-color injection combination method 2. The sprue system (1) has a lower injection pressure. (2) The rapid filling is completed, which can increase the output. (3) It can be evenly shot and the product quality is good. (4) Reduce waste and shorten injection time. 3. Molding equipment: (1) The amount of shots from each shot cylinder determines which one is used. (2) The position of the striker and the strike stroke. (3) The problem of waterway, oil circuit, and circuit configuration on the rotating disk. (4) The weight of the rotating disk. 4. Mold base design: The design of the mold core first considers that the male mold side must be rotated by 180 degrees, and the mold core must be arranged in a cross-symmetrical arrangement, otherwise it cannot be molded. (1) Guide column: It has the function of guiding the male mold and the female mold. It is necessary to maintain the concentricity in the multi-color mold. (2) Return pin: Since the mold must rotate, it is necessary to fix the ejector plate and add a spring on the return pin to keep the ejector plate stable. (3) Positioning block: Ensure that the two mold bases are not fixed due to the gap problem of the screws when they are fixed to the large solid plate. (4) Adjustment block (wear block): It can be adjusted mainly when the mold height height z coordinate value error is used during mold clamping. (5) Ejection mechanism: The design of the ejection mode is the same as that of the general mold. (6) Cooling circuit design: The cooling circuit design of the mold one and the mold two is as much as possible.

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