“3D printing is a representative subversive technology in the manufacturing industry, which has made a major shift in manufacturing from materials, materials to additives, and changed the concept and model of traditional manufacturing.†Premier Li’s speech at the State Council’s special lecture The enthusiastic entrepreneurs who have been swaying around the ear, and thus motivated by the entrepreneurs, have been eager to "target the world's industrial technology development frontier and promote the level of China's manufacturing". In the process, 3D printing, which has gone through more than 30 years of development, has moved from the harem to the front hall. It is expected to enter the fast lane of development by taking the east wind of 2025 made in China.
Behind the seemingly beautiful future, 3D printing is still a bit of a little bit of a self-respect. How can a printing device effectively play the role of a media platform for interconnection and interconnection in the Internet of Things system; and itself has certain limitations in equipment upgrade, such as printing speed, printing effect stability, etc., which also causes 3D printing. Not much better won the favor of VC.
Coincidentally, 4D printing, which inherits 3D printing, has faced a series of objective development bottlenecks, such as equipment, materials, and technology, although it has just stepped onto the path of toddlers. How to overcome the constraints and make 4D printing realize the transformation in the breakthrough development is not only the thinking of cutting-edge cutting-edge technology, but also the opportunity for emerging technology entrepreneurs to practice.
Equipment: the breakthrough point of popular 4D printing technology
In the world of 3D printing, when we need to print large engineering projects, we must use large machines to make the large materials we need. For example, the printing of items such as buildings and pipes has placed high demands on the printer, including volume, accuracy, and reliability. This also makes the promotion and popularization of 3D printing technology encounter a realistic barrier.
In the face of 3D printing, 4D printing has taken another path, which is to rely on "smart" materials to make the printed matter self-deformed after printing, which greatly alleviates the printer's technical problems. . However, "smart" printing means higher technical requirements for printing equipment, and the problem of high equipment prices will inevitably be inevitable, which will, to a certain extent, cause 4D printing to go through a long period of time. The fate of the "rich people play things" can move toward technology popularization and development.
For small 4D printers, that is, household-grade printers, in addition to equipment prices, printing accuracy, operational expertise and other issues are still in the stage of development. These factors still restrict the rapid development of 4D printing in a certain period of time, but also leave an uncultivated virgin land for those who are interested in starting a business in 4D printing. How to build through effective equipment, focus on the precise penetration of the professional market, determines the success probability of entrepreneurs.
Material: Let “Wisdom†materials open the way for success
In addition to the constraints of the device itself, the more serious problem faced by 4D printing than 3D printing is the demand for special printing materials, because 4D printing requires more materials than 3D printing. high.
First of all, what is needed for 4D printing is not a general ordinary material, but a smart material with a memory function. It is a new functional material that can sense external stimuli and can self-deform and assemble by judgment.
Secondly, the material not only has the printability of 3D printed materials, but also has sensing function, feedback function, information recognition and accumulation function, response function, self-deformation ability, self-assembly ability, self-diagnosis ability, self-repair ability. And super adaptability, as well as rapid response deformation and assembly capabilities.
At present, 4D printed matter can only sense the stimulation of water. In other words, current trigger media are still limited to water. With the advancement of technology and the development of technology, we are bound to be able to trigger the self-deformation of materials by means of any triggering medium such as light, sound, heat, water, gas and temperature on a certain day in the future. That is to say, 4D printing faces infinite challenges while facing the infinite possibilities and opportunities on the long road to success. Just as the trial and test of each special material has the risk of failure and the probability of success, the attention and input of 4D printed material selection and application will become an important direction and road choice for entrepreneurs.
Design: Software development with you along the way
4D printing can be triggered by the media to self-deform and self-assemble at a specific time. In addition to the material itself and printing technology, another key element is the design of the software; that is, through the program software, the deformation elements are directly Designed in printed materials. Simple but not very precise understanding, that is 3D is the design product, 4D is to design the printer in the model. Therefore, design software is very important for 4D printing, and it is also a key link that needs to be broken. How to achieve de-professionalization and enable users to perform "fool" operation is an important issue to be solved in the application and popularization of 4D printing technology.
The Prime Minister’s speech screamed and inspired a gathering of capital and talent, which in turn boosted the wave of 3D printing. The template is emerging, and this textbook developed by 3D printing will lead the entrepreneurs in 4D printing and related fields to make strides forward; in the process, these problems that restrict the development of 4D printing today will be solved one by one, and This will lead to a new round of 4D printing equipment manufacturing opportunities and application software development opportunities, as well as opportunities for the development of new materials.
Compared with the "Thirty Stands" of 3D printing, 4D printing can only be regarded as a small baby. But the long road, the development of this revolutionary manufacturing technology has slowly begun. In this process, the more developmental constraints are revealed, the more development opportunities are released for “mass entrepreneurship, innovationâ€.
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