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The Usage of 3D Printing Prototyping in The Designing Process of Injection Mould

Location: Ningbo Chenshen Plastic Industry, Yuyao, Ningbo, Zhejiang Province, China

Date: 13/01/2024

Injection Moulding

Injection moulding involves filling a mould with melted thermoplastic material which then cools and hardens to form parts and components. This method is highly efficient for high-volume production due to its ability to produce large quantities of parts quickly and with consistent quality. It offers a wider range of materials and colours, making it suitable for diverse applications. However, injection moulding involves high tooling and machine costs, thus it's not as flexible for designing the prototype.

3D Printing

3D printing, also known as additive manufacturing, is a technology that creates objects by building up layers of material. It is known for its speed, flexibility, and ability to create complex and intricate designs. This process is ideal for rapid prototyping, allowing designers to quickly iterate and refine product designs. The layer-by-layer creation process enables high levels of customization and detail. However, 3D printing is cheaper, faster, and more flexible for low-volume production, as it can be time-consuming and costly for larger runs.

The Role of 3D Printing in Injection Mold Pre-Design and Redesign

3D printing significantly enhances the process of injection mould pre-design and redesign by offering rapid prototyping capabilities. 3D printing can be used to create prototypes for injection-moulded parts more quickly and at a lower cost than traditional methods like machining or EDM (Electrical Discharge Machining). This not only speeds up the process but also results in cost savings that can be passed on to the customer. This technology allows for quick testing and iteration of designs before committing to the expensive and time-consuming process of creating injection moulds. In cases where design changes are needed, 3D printing can quickly produce updated prototypes, enabling a more efficient and cost-effective design process.

This integrated approach of using 3D printing in the pre-design and redesign phases of injection moulding demonstrates the complementary nature of these two technologies in modern manufacturing. Our clients sometimes require a 3D prototyping of injection moulded plastic parts before mould tooling.