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Injection Molding Cost

If you want to start a injection molding product manufacturing project, it’s not necessary to know everything about plastic injection molding but understanding the factors that influence the Injection Molding Cost help you to spend as less as possible to get your parts to market.

As one of the leading plastic injection molding companies, we have over 10 years experience in plastic manufacturing and engineering. In this article, we will help you to plan an initial budget for your entire project, but first of all, you have to know the top three factors that influence the injection molding plastic parts. Budget of fabrication are deeply related to the kind of product you want to fabricate, this implies understanding how things get done and the options you have to accomplish the result you want.

Part price depends on machines and cycles. Large parts usually require higher machine rates than small parts. Large molds require additional setup time which increases the part price. Wall thickness and part size influence the cycle times and increase machine and material use which increase the parts price also. Low-cosmetic finishes are less expensive. High-quality or optically clear finishes are the most expensive because of the additional labor. Before arranging the plastic parts, talk to the mold plastic technicians about your design and provide 3D models and CAD drawing with detailed.

Resin material cost is ranging from $0.80 per pound to over $100 per pound. Polypropylene, polyethylene, and polystyrene are toward the lower end of this range. Liquid crystal polymer (LCP) and filled resins with complex properties are more expensive. Higher-temperature resins and filled resins are more expensive as it requires higher hardness or plated mold steel.

Tooling cost is determined by part size and complexity. Large parts required large mold which takes longer to build. A larger number of cavities per tool will increase tooling cost. Double cavities will raise tool cost by around 60 to 70 percent. A mold with more cavities require a larger press size, so increases costs, for example, electricity, setup, space.

If the cost of the molding press is amortized in the press rate, a larger press will cost more.

The cost of injection molding varies by application. Design and complexity affect the tooling, machine, and cycles which will affect the mold and part cost.

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