Calculation of Injection Moulding Cost

[Eddie Warren]

How Much Does Plastic Injection Molding Cost? Injection molding is one of the most widely used methods for producing plastics. It is commonly used to mass-produce identical items with strict tolerances in large quantities. It’s a low-cost, highly reproducible technology that produces high-quality parts for large-scale production.

It’s a quick, intensive technique that involves tremendous heat and pressure to inject molten material into a mold. The amount of molten material required is determined by the scale of the manufacturing project. The most common materials used in injection molding are thermoplastics like ABS, PS, PE, PC, PP, and TPU, however metals and ceramics can also be used. The mold is made out of a cavity that holds the molten material and is made to closely resemble the final features of a product.

[Allen Young]

The number of cavities in a mould determines the cost of moulding. Fewer cavities necessitate less tooling, resulting in lower injection mould manufacturing costs. Surface finishing, tolerance, threads, details, and the amount of undercuts are all elements that influence the cost of a part’s design. Adding elements like this will raise the price because they necessitate extra tooling.
Rubber injection moulding is the most cost-effective method of injection moulding, as it provides a high yield of lasting goods. Furthermore, by decreasing waste material, consistent vulcanisation operations with exact temperature controls can reduce costs.
What is the price of injection molding?
The following formula can be used to calculate the exact cost of injection molding:
Material expenses + design costs + process and profit + VAT + tryout costs + packing and shipping costs = Mould Price.
Materials and parts account for about 15-30% of overall costs, while process and profit account for 30-50%.
With these considerations in mind, a tiny single cavity injection mold can cost anywhere from $1,000 to $5,000. Molds that are larger or more complicated might cost upwards of $80,000. A normal mold, on the other hand, costs roughly $12,000.
While the mold tools are expensive, injection molding production is comparatively inexpensive.

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