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Registered: 23-10-2019
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10-04-2024 17:56
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Low-pressure injection molding is a specialized technique used in the manufacturing industry to produce plastic parts with intricate details, thin walls, and complex geometries. Unlike traditional high-pressure injection molding, which typically involves injecting molten plastic into a mold at high pressures, low-pressure injection [tdlmould.com] molding utilizes lower pressures and temperatures, making it suitable for delicate or sensitive materials.
Here's how the process generally works:
  1. Preparation: The process begins with the preparation of the mold and the plastic material. The mold is typically heated to a specific temperature, and the plastic material is loaded into a separate chamber.
  2. Injection: The plastic material is then injected into the mold cavity using a plunger or screw mechanism. However, in low-pressure injection molding, the injection pressure is significantly lower compared to traditional methods, typically ranging from a few hundred to a few thousand psi (pounds per square inch).
  3. Filling and Packing: Once the mold cavity is filled with the molten plastic, additional pressure may be applied to ensure complete filling and to pack the material tightly into the mold's intricate features.
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