In fact, Steven Jobs tried to create a "manufacturing culture" in Silicon Valley. He really appreciates the mass production of American car company Ford and the high-quality domestic manufacturing capabilities of Japanese companies, so he hopes to replicate these models to the United States. In 1983, he was personally responsible for the construction of an advanced manufacturing plant in Fremont in the Bay Area for the production of Apple's new Macintosh computers, but the plant was closed in 1992 because the output could not meet expectations. The reason for the failure of manufacturing in Silicon Valley is that manufacturing is a huge ecosystem. Silicon Valley lacks relevant vocational schools, workers, and subcontractors, and does not have the foundation and culture to develop manufacturing. Therefore, Apple finally chose to deploy its manufacturing supply chain in low-cost regions around the world. Now, more than 30 years have passed, the development of new materials and new technologies has given the manufacturing industry more possibilities. If the manufacturing industry in the past was a labor-intensive industry, it is now undergoing a technology-intensive transformation. Among them, 3D printing (additive manufacturing) has attracted the attention of many technology companies because of its intelligent and customized manufacturing methods. It has not only gradually tried to integrate with daily life, but has even been applied to the field of space exploration. Although the application range of 3D printing technology is becoming wider and wider, the current technological maturity still cannot reach the level of subverting the existing manufacturing model. The development of the industry still needs to solve the problems of process, material, cost, speed and other aspects. First of all, at the machine level, most of the current 3D printing accuracy is relatively rough, the printed product surface is rough, still needs to be polished, and the dimensional accuracy is not high; however, high-precision 3D printers are relatively large and expensive. In terms of printing speed, 3D printing is similar to multi-layer writing. The more layers and the more complex the structure, the longer the printing time. It is difficult to guarantee the duration of mass production. Secondly, at the material level, another core of 3D printing is to have suitable materials. Currently, the materials for 3D printing are mainly gypsum, photosensitive resin, and plastic materials. Industrial-grade metal printing materials are very limited. The price standard of materials required for the grade is higher, and its cost advantage is insufficient compared with traditional manufacturing processes. Reference: market-prospects
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