As we all know, plastic injection molding can continuously produce thousands or even millions of plastic parts or products for OEMs, after-sales market suppliers, packaging companies and consumer goods manufacturers. Injection molding has the ability to produce products of various sizes, complexities and ingredients. This highly repeatable and reliable process range from automotive, HVAC and commercial filtration to home appliances, lawns and gardens, and medical markets.

Once the part is designed by the engineer, the tool manufacturer will manufacture a metal mold. It is usually made of steel or aluminum. The mold can have a single cavity or multiple cavities, which are precisely machined to form the required components. The part and mold design can be very precise.

Various polymers, including thermoplastics, thermosetting plastics and elastomers, can be used for injection molding. The plunger-type or screw-type plunger forces the correct volume to fill the cavity under pressure. At the same time, it tightly clamps the two halves of the mold together. The material cools and hardens to the shape of the part, then takes it out of the open mold to start the process again.

8 advantages of plastic injection molding


1. Plastic injection molding reliably creates a large number of consistent, high-quality units. There there are several other compelling reasons to consider this process: It makes the conversion of complex metal to plastic reduce the cost of the whole part by reducing multiple processing operations to a single molding process.

2. Plastic parts are lighter than machined or cast metal parts. When plastics can replace metals, corrosion is no longer a problem.

3. Injection molds allow greater design freedom for parts. They allow the addition of radius or soft edge areas, which require additional machining (additional cost) in the metal part.

4. Another element of design freedom is the ability to create highly refined geometry with complex geometry. The plastic material is pushed into the mold under high pressure. It fills the cavity completely and presses against the mold tightly. As a result, the plastic will conform to even tiny, complex shapes and details within the mold.

5. It is also possible to combine different materials and useless assembly process to enter the same part to achieve greater utility. With 2 injection molding, you can use hard and soft plastic to create sealed or soft-touch edges, or use two different colors. The insert molding allows the installation of nonplastic parts, such as metal screws built into the plastic cabinet knob.

6.The injection molding process involves a high degree of automation, which can significantly save production costs. Many steps can be completed by machines or robots controlled by a single operator, thus reducing labor costs and expenses. The process can also be performed more quickly and efficiently, thereby increasing production.

7. There is almost no waste generated by this process because the remaining waste plastic can be reground and reused.

8. Injection molding can produce parts and components economically and effectively. It also provides you with a range of material and design options, parts reduce the total cost. Injection molding reduces the cost by reducing the weight of the equipment or vehicle. It’s time to reassess your process and see how injection molding can benefit your company.


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