With the iterative upgrading of 3D printing technology and the decline in the cost of raw materials, 3D printing continues to improve efficiency and reduce costs, and the downstream application areas continue to expand. Especially with the domestic and foreign consumer electronics head manufacturers have layout 3D printing technology in smart phones, watches and other 3C products, such as folding screen cell phone shaft cover, electronic watch case, cell phone frame, bezel and other parts using 3D printing technology manufacturing, 3D printing technology in the 3C consumer electronics parts in the mass production of the application (3D3C) is accelerating penetration.
The manufacturing of 3C products requires high surface quality, part flatness, dimensional accuracy, high product demand, automated production and low cost. Based on the above characteristics, at this stage, SLM selective laser melting and BJ binder jetting can be used for the manufacturing of 3C electronic parts and components through two main technology processes. Among them, the SLM process is characterized by high precision, high complexity and high densification, while the BJ process has excellent surface quality and dimensional accuracy, high efficiency and high throughput.
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