3D Printing And Injection Molding

Production mode

As long as there is an injection mold in the injection molding process, standardized products can be produced at low cost and on a large scale. Therefore, injection molding is still the best choice for traditional high-volume, large-scale manufacturing. The 3D printer does not need traditional tools, fixtures, machine tools or any molds, and can directly convert any shape of the computer into a physical model automatically, quickly, directly and accurately. Thanks to the large size of the 3D printer Different from the characteristics of the traditional injection molding process, the more complex and non-solid objects are, the faster the processing speed is, and the more raw material costs are saved, so they are better at the manufacture of personalized and diversified products.

Manufacturing cost

Due to the wide availability of raw materials for injection molding, and its large-scale and rapid standardized production characteristics, it is also conducive to reducing the cost of a single product. Therefore, in terms of manufacturing costs, the cost of injection molding is much lower than that of 3D printing technology. 

However, for industrial manufacturing, the real cost-saving link of 3D printing lies in the modification of the prototype. Modifying the prototype only requires modifying the CAD model and will not incur any manufacturing costs.

In injection molding, if the prototype is a steel mold, the modification cost will be relatively low, but if an aluminum alloy mold tool is used, the cost will be much higher. This is also the reason why many companies or individuals engaged in mold design will choose three-dimensional 3D printers for mold design and printing.

Application field

Currently, the injection molding process enables mass production of objects with consistent shapes, making it ideal for mass production of standardized products. 

3D printing only needs to input 3D images through the control terminal, and the raw materials can be transformed into physical models, and even parts or molds can be directly manufactured, thus effectively shortening the product development cycle. 3D printers for 3D production have been widely used in the fields of maker, architectural design, mold model design and other fields.

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