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Mold injection molding

Is first added to the plastic injection molding machine in the heating cylinder, heated melting plastic, injection machine screw or piston driven by the nozzle and mold runner system into the mold cavity, due to physical and chemical hardening shaping molding products. Injection molding by injection and holding pressure (cooling) and release process constitutes a cycle of plastic parts, and injection molding have periodic characteristics. Thermoplastic injection moulding cycle time is short, high production efficiency, melt less wear on mold, bulk forming complex shapes, surface pattern and mark clear, high precision plastic parts, but to changes in the thickness of plastic parts, it is difficult to avoid defects. Plastic anisotropy is one of quality problems, should use all possible measures to minimize.