Metal Or Plastic Parts: Which Should You Choose?
September 23, 2024
Metal Or Plastic Parts: What's The Difference?
Metal and Plastic Parts
Metal parts are manufactured using powder injection molding. It is whereby metals are combined with polymers in powder form and heated. The polymer is later removed, and the part made into the required density. The process is used to produce large quantity of metal parts. Plastic parts are made from polymers like nylon, polystyrene, and polyethylene. The process involves melting plastic injecting it into a mold where it solidifies into the required part.
Why are plastic parts preferred in manufacturing?
- Economical: Plastic is a low cost raw material compared to metal. It is also less costly to process. Plastic injection molding generally requires only one process to get to the finished part. Whereas metal requires additional processing once molded.
- Durable: Plastics are long-lasting. They do not corrode or oxidize easily. Metals generally require maintenance over time.
- Design: It is easy to design complex shapes and textures in the tooling that manufactures them. Metal requires expensive complex processing and tooling to achieve complex shapes.
The Significance of Plastic Injection Molding
The following are reasons why plastic injection molding is widely used in manufacturing:
- It is the most efficient method as its production output is high in comparison to other methods.
- It is cost-effective because it has lower labor costs and overall the manufacturing cost per unit is low.
- If need be the strength of the manufactured parts can be enhanced.
- Huge amounts of types of plastics can be incorporated into the molding process as per the customer's preference.
- If done properly it can be an eco friendly process because it has minimal waste and parts can be reused and recycled
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