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What Determines Injection Mould Cost, and Which Features Can Be Simplified?

VIP-User
2026-11-13

The cost of an injection mould depends on several connected factors, including material selection, dimensional tolerance, expected mould life, runner design, part complexity, inspection standards, and the planned production volume. In suitable applications, costs may be reduced by choosing a cold runner, selecting a less specialized cavity steel, limiting cosmetic specifications, or narrowing the service scope.

Main Factors Behind Injection Mould Pricing

Material requirements establish the foundation of the mould specification. Typical mould bases may use S50C or P20, while cavity components can be produced from grades such as 718H, 1.2738, or S136. The appropriate choice depends on wear resistance, corrosion resistance, surface quality, and the required service life.

Precision, Testing, and Mould Complexity

Tolerance is also a major quotation factor. A custom plastic injection tooling specification may require a tolerance of ±0.02 mm. More demanding precision moulds often need CMM inspection, detailed validation, and trial production over multiple cycles. Double-shot moulds, overmoulding tools, and long-life moulds typically involve additional engineering and testing.

Runner Systems and Practical Simplification

Both cold runner and hot runner configurations are available. A cold runner system can be a practical cost-saving option when the product does not need the reduced waste, cycle advantages, or process control associated with a hot runner. Cosmetic standards and after-sales service can also be reviewed, provided that any simplification still meets the part's functional and quality requirements.

Key Takeaway

Injection moulds are used for consumer electronics, home appliances, automotive components, industrial equipment, and everyday products. The safest way to control cost is to simplify specifications that do not affect performance, appearance, accuracy, or production targets. High-volume projects and complex applications still require careful design, inspection, and validation.

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