3D printing is often regarded as a technology that leads the industrial revolution. It is expected that the industrialization applications that people are looking forward to are just around the corner. However, it does not seem to have brought a drastic change to the manufacturing industry as expected. "Australia National Industrialization Research Base - Transforming Australian Manufacturing Centers through High Value Additive Manufacturing" Professor Wu Xinhua believes that 3D printing technology has indeed greatly improved industrial production efficiency and brought breakthroughs to the manufacturing industry, but people are now talking about 3D. The enthusiasm of printing technology is too high and it requires calm thinking.
3D printing, also known as additive manufacturing, stacks raw materials under computer control and combines objects by points and surfaces. The printing process is like building bricks and tiles. Wu Xinhua told reporters that the raw materials used in 3D printing are different, and the application fields and market development are not the same. There are two main raw materials for 3D printing: one is plastic, and the finished product is mainly used for education of children and adolescents, which is common in life; the other is metal, metal 3D printing technology has developed rapidly in the past five years, mainly used for manufacturing. Industrial parts and components. "When it comes to 3D printing technology, the first thing that comes to mind in people's minds is various forms and colorful items. These are basically 3D printed products made of plastic materials. The real breakthrough in manufacturing is metal 3D printing."
Wu Xinhua told reporters that the advantages of 3D printing in the manufacturing industry are mainly reflected in three aspects: “One is to increase the production efficiency. In the past, it usually takes several years for an industrial part to go from design to finished product. 3D printing technology can shorten the entire process to several Second, when manufacturing products in small batches, it is possible to skip the link of manufacturing molds in traditional production methods, thereby saving production costs.3) It can be used to produce complex parts, such as manufacturing hollow parts to reduce the weight of the entire finished product, and to manufacture more. In accordance with the characteristics of 3D printing, high-value-added industries have broader prospects for development and stronger vitality. The industry is generally optimistic about the application of 3D technology in the aerospace and medical fields.†Wu Xinhua believes that 3D printing The application of technology in the medical field can meet the individual needs of patients, and has the closest relationship with people's lives. For example, according to the patient's age and the patient's site, an implant similar to the patient's original joint and bone can be printed. Tailored.
U.S. Consumer Technology Association and United Parcel Service Co., Ltd. jointly released a report entitled "3D Printing: The Next Revolution in Industrial Production" in May this year, predicting that the revenue of the 3D printing market will increase by a factor of two to 210 in the next four years. One hundred million U.S. dollars. From 2012 to 2014, the market value of 3D printing is increasing by 30% every year. The report predicts that the market value of the 3D printing industry will reach US$7.3 billion this year, including printers, materials, and printing services. By 2020, the value of the industry is expected to reach 21 billion US dollars.
3D printing has been given revolutionary significance since its inception. In Wu Xinhua's opinion, the impact of 3D printing technology on the world is far-reaching, and it is not a dramatic revolution in technology. In the industrial field, 3D printing technology is a processing process tied with casting, forging, and welding. It is a long-term goal for 3D technology to promote industrial production, and it cannot be accomplished overnight. Wu Xinhua pointed out that 3D printing technology has the same advantages as other technologies and will coexist for a long time. People can choose suitable production technologies according to the requirements for product performance. Due to the size limitations of 3D printers, 3D printing cannot replace all processing processes, and some bulky components still have to be manufactured using conventional processing techniques. In addition, when large-scale mass production of products, the choice of casting can reduce the production of finished products, more in line with market demand.
At present, 3D printing technology has become a "hot word," and many companies and research institutes have purchased 3D printing devices. However, if there is no support for materials, processing, and other professional knowledge, most of the printed objects can only become display products and cannot be put into use. Use caused great waste of resources. Wu Xinhua pointed out that 3D printed items should not only pursue “likenessâ€, but more importantly, it is necessary to ensure that finished products meet national and international industry standards, including optimization of processing parameters for various materials, optimization of post-processing processes, and other important aspects. The “outsider†in materials and processing is difficult to handle. Wu Xinhua also stated that the best mode of industrialization of 3D printing technology is to bind customer needs and scientific research goals, with the market and customers as the leading factor, and the customers put forward specific requirements for product materials and performance. The research team conducts targeted research and development. This will ensure that the finished product is quickly converted to market value.
In Wu Xinhua's view, 3D printing is more worthy of attention than the industrial value, it broke through the traditional design thinking. In the past, designers had concerns about whether or not uncertain products could be produced when they were conceived. With the use of 3D printing technology, they could free themselves from binding free designs. At the same time, this technology has opened up a new world for future education and promotes the development of children's imagination.
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