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What are the injection molding processes?

Injection molding is a manufacturing process that is widely used to produce plastic parts and products. The process involves melting plastic resin pellets and injecting them into a mold cavity under high pressure. Once the plastic has cooled and solidified, the mold is opened and the finished part is ejected.


There are several variations of injection molding processes, including:


Conventional Injection Molding: This is the most common type of injection molding process. The plastic resin pellets are melted and injected into the mold cavity under high pressure. The mold is then cooled and the finished part is ejected.


Multi-Shot Injection Molding: This process involves injecting two or more materials into the same mold cavity to produce a part with different colors or properties.


Insert Injection Molding: This process involves inserting metal or plastic parts into the mold cavity before injection molding, allowing for more complex part designs.


Gas-Assisted Injection Molding: This process involves injecting a gas (usually nitrogen) into the mold cavity during the injection molding process to create hollow parts or parts with complex shapes.


Micro Injection Molding: This process is used to produce extremely small parts with high precision, such as medical devices or electronic components.


Liquid Silicone Injection Molding: This process involves injecting liquid silicone into a mold cavity under high pressure and high temperature to produce flexible and durable parts.


Each type of injection molding process has its own advantages and disadvantages, and the choice of the process will depend on the specific requirements of the part being produced.


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