Digital printing system refers to the technology of digitization and networking in the whole printing process, covering computer direct plate making, digital workflow, digital proofing, on-demand, rapid printing and other technologies. Digital printing has the characteristics of high requirements, small batch size, fast change, and can meet the needs of publishing. At the same time, digital printing will complement offset printing, screen printing and flexo printing. It will develop rapidly around the world and penetrate into all levels of society at an alarming rate. It will affect all aspects of the printing industry. It has been widely used in printed materials such as books and advertisements to meet people's demand for personalized, diverse and flexible printed materials.
At present, in the application field of digital printing, in addition to graphic printing, on-demand publishing printing, image printing, personalized direct mail printing, and large-scale enterprise presence services have become the four new development hot spots and new opportunities.
1. Graphic quick printing: The development of digital printing presses has promoted the rapid development of the graphic quick printing industry. The development of the graphic quick printing industry has also promoted the continuous improvement of digital printing press technologies. The two complement each other and promote each other's development. Contemporary graphic and fast printing stores have found it difficult to find the traces of offset printing machines and plate-making equipment. They have gradually stepped out of the groping area and are moving towards unification, standardization and standardization. Color digital printing, black and white digital printing, digital inkjet printing, color laser printing, engineering drawing copying, graphic design and binding production, a comprehensive graphic printing shop, more and more popular in the market.
2. On-demand printing: With the change of public consumption concept, the demand for printed materials has also diversified, and the printing business has developed from the pursuit of small quantities in large quantities to the direction of small batches, multiple varieties, and personalization. Digital printing can print out different pieces of personalized content, such as the names of different invitation cards, direct mail with customer names, variable bar code printing, etc., which are simply impossible to achieve with traditional offset printing. . It is this characteristic of digital printing that satisfies the different printing needs of the masses. While promoting the development of digital printing, it also enriches and changes people's lives.
3. Image printing: While the global traditional printing industry shows a downward trend, the development of digital printing in the world is booming. Advanced digital printing technology has created a brand new printed product experience and diversified imaging product solutions for consumers. With the rapid popularization of digital technology, digital cameras have flown into the homes of ordinary people, making digital photos rich. Digital printing technology has further developed and matured, especially the optimization of e-commerce environment, making personalized prints a reality. Therefore, making personalized prints is becoming more and more popular.
4. Personalized direct mail printing: Facing the huge potential of the direct mail printing market, more and more digital printing companies are participating in the competition of the direct mail printing market, from which they can tap the business opportunities of digital printing and promote the development of personalized printing. . In fact, the real selling point of direct mail prints is personalized variable data printing. Personalized variable data direct mail prints are now very common abroad, not many at home, but their market potential is huge. At present, in China, there are relatively few personalized direct mail advertisements. Generally, enterprises only design and print some popular promotional materials, and do not adopt different solutions for different target customers.
5. Service for large enterprises: station service, that is, for customers who do not have equipment, lack of personnel, and have high data confidentiality, digital printing companies, digital printing equipment suppliers or third-party service providers provide equipment, and according to actual needs, for It is equipped with professional technical personnel to assist its file management and printing, and customers only need to provide space for the equipment stationed.
For 3D printing, the industry has two diametrically opposed views: one predicts that it will promote the third industrial revolution, and the other believes that it has no commercial value. Academician Lu Bingheng, dean of the Mechanical Engineering College of Xi'an Jiaotong University and chief scientist of the National 973 Project, who came to Nanjing Jiangning to participate in the China 3D Printing Research Institute on the 24th, said in an interview with reporters that the research and development of 3D printing is still in the groping stage, saying it is " It is too early for the "Industrial Revolution", but it does have a major impact on product development and will promote personalized product manufacturing. It is too pessimistic to ignore and underestimate its prospects.
The academic name of "3D printing" is "rapid prototyping technology". Based on the three-dimensional model data of parts or objects, the physical model is made by the accumulation of materials through the molding equipment. "Product manufacturing does not require knives, fixtures and machine tools. Ideas and designs are drawn on a computer and can be turned into products through a printer. This is amazing!" Theorists predict that 3D printing "subverts our (manufacturing) traditional theory. And the concept is a manifestation of the third industrial revolution. "
But the industry is not so optimistic. At the 2013 Taiwan Flat Panel Display Exhibition, Guo Taiming, manufacturing leader and chairman of Hon Hai, believes that 3D printing is by no means the third industrial revolution. Hon Hai used 3D printing technology 30 years ago, but it cannot be mass-produced for commercial use. He took the phone made by 3D printing as an example to show that this thing can be made, but it can only be seen, not used; it cannot be added with electronic components and cannot be mass-produced into electronic products. "If (3D printing) is really (useful), then my" Guo "word is written upside down."
Academician Lu Bingheng pioneered the "National Engineering Research Center for Rapid Manufacturing", is a discipline leader in the field of 3D printing, and is known as "the first person in China's 3D printing". He believes that the expectations of the theoretical community are only a prospect, which still needs time to test, and the application of entrepreneurs does illustrate the difficulties faced by this technology and the difficulties that need to be overcome.
Lu Bingheng introduced that the "magic significance" of 3D printing is more reflected in product development. For example, the research and development cycle of the aircraft is about 20 years, and the development cycle of the car is two or three years. It takes so long because some core components and parts require a large number of repeated tests. Engine parts like the US aircraft require up to 2500 tests. If traditional manufacturing is used, it is time-consuming, labor-intensive and extremely risky, and 3D technology can automatically, quickly, directly and accurately convert the design in the computer into a model, or even directly manufacture parts or molds, shorten the development cycle, improve product quality and reduce The cost of production, a process that could only be completed in the past few months, may now be completed in a few days or hours.
"For the manufacturing industry, R & D is more important than production capacity." Lu Bingheng said that the US scientific and technological community statistics, through 3D printing, product development cycle and cost is only half of the past, which greatly shortens the product update cycle and improves enterprise competition force. In addition, 3D can also "print" products that traditional manufacturing cannot produce, such as engine parts with special shapes and artificial bones with special functions. Xi'an Jiaotong University produced biological titanium alloy artificial bones by 3D printing grafting bio-simulation technology, which is divided into bone layer, bone pine layer, bone marrow layer from the outside to the inside, which is no different from human bone. "So if 3D printing will bring about a 'revolutionary impact', it must also be realized through the comprehensive superposition of digitalization, artificial intelligence manufacturing and new materials. 3D printing alone cannot complete such a historical mission."
According to reports, currently there are only 10 kinds of materials suitable for 3D printing, such as photosensitive resin, plastic, titanium powder, etc. The product is not accurate enough and the efficiency is not high. For example, it takes 8 hours to "print" an apple-shaped toy. Lu Bingheng said that this is exactly the subject of 3D printing to be overcome. He introduced that from the perspective of manufacturing history, the foundry industry (increased materials) has been three or four thousand years old, the cutting technology (material removal) has also been hundreds of years, and the development of 3D printing (material proliferation) has only been 30 years. "China has become a major manufacturing country, and demand is the best university. Combining information technology and material technology, 3D applications will definitely find a breakthrough."
It was learned from Zhongfu Shenying Carbon Fiber Company that the key technology and equipment R & D project of dry-jet wet-spun high-performance carbon fiber engineering undertaken by the company passed the national appraisal, and the overall technology of the project reached the international advanced level of similar products. The company became the only company in China and the third in the world to master the process.
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