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Injection Molding Advantages and Disadvantages
Injection molding is a molding process of plastic parts, in which a thermally softened plastic material is pressed from a cylinder into a relatively cold mold cavity to form the desired shape of the injection molded plastic parts. The mold is made by an injection mold manufacturer, usually made of steel or aluminum, and is precision machined to form the shape of the desired plastic part. Injection molding is very widely used to manufacture a wide range of plastic components, from the smallest automotive plastic part to the entire automotive body panel.
5 advantages of injection molding
- High tolerances can be repeated.
- A wide range of materials can be used by injection molding.
- Labor costs are low.
- Minimal waste loss.
- It is not necessary to continue to improve the plastic parts after molding.
3 disadvantages of injection molding
- Expensive mold making & injection molding equipment investment.
- Operating costs can be high.
- Plastic parts must be designed to meet specific molding requirements.
Injection molding is a relatively new way of manufacturing plastic parts. It is a fast plastic processing process for producing a large number of identical plastic parts from high-precision engineering parts to disposable consumer goods. Injection molding is usually used for mass production, which produces small products such as lids, sink plugs, children’s plastic toys, plastic containers, model kits, disposable razors and camera parts, the process can even produce large items such as hulls and automotive plastic casings.
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