Which material is best for 3D printing?

Traditional manufacturing machines cannot easily integrate a variety of raw materials during cutting or molding, and with the development of multi-material 3D printing technology , we have the ability to fuse different raw materials. Raw materials that were previously unmixed will form new materials that have a wide variety of tones and unique properties or functions. For the first time using 3D printing , there are a variety of process and material choices, then which process material should we choose?

There are usually several considerations in the use of parts: cost, appearance, detail performance, mechanical properties, chemical stability, temperature adaptation range and other factors.

Although there are various factors, the purpose of making a part model can be roughly divided into two categories: appearance verification model and structure verification model.

1. Appearance Verification Model: A hand model designed by an engineer to verify the appearance of a product or a model that is directly used and requires a high appearance. The visual verification model is visual and touchable. It can visually display the designer's creativity in the form of physical objects, avoiding the drawbacks of “painting good looks and making them look bad”. The appearance verification model is indispensable in the process of new product development and product shape.

Based on the requirements of the appearance verification model, it is recommended to use 3D printing of photosensitive resin (including high toughness photosensitive resin and transparent resin).

2, structure verification model: in the product design process from design to mass production, generally need to make mold. The cost of mold manufacturing is very high. The relatively large mold value is hundreds of thousands or even millions. If the structure is unreasonable or other problems are found during the mold opening process, the loss can be imagined. Therefore, using 3D printing to create a structural verification model can avoid this loss and reduce the risk of mold opening.

Based on the requirements of the structural verification model and the low requirements on accuracy and surface quality, it is recommended to select materials with good mechanical properties and low prices, such as PLA, ABS and other materials.

3. If the requirements for appearance and structural strength are relatively high, it is recommended to use nylon 3D printing;

In fact, the main cost of 3D printing lies in the purchase of 3D printed materials , as long as you choose according to your own needs, after all, you must be cost-conscious regardless of what you do.

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