Editor's note: On October 21, 2011, "Joint Digital Technology to Lead the Future of Printing-Hongsheng Digital Prepress Proofing Technology Exchange Forum" jointly sponsored by Bisheng Printing Network and Zhengzhou Hongsheng Digital Technology Co., Ltd. in Hunan, Beijing The building was grandly held. This article is edited according to the speech of Mr. Qin Guosheng, Chairman of Zhengzhou Hongsheng Digital Technology Co., Ltd.

Hello everyone, everyone in the printing industry. Today I will simply share the application of inkjet technology in the printing industry. It may be very crude from the understanding. I hope you can come forward at any time and let us discuss today Really play a role in communication and interaction. I will briefly introduce to you from 5 aspects:

Evolution of inkjet technology

• Inkjet technology was proposed as early as 1960, but it was not until 1976 that the first commercial inkjet printer was born in IBM. The IBM-4640 uses continuous inkjet technology developed by Hertz, a professor at Luther Institute of Industrial Technology in Sweden, and his colleagues. However, this technique almost uses dots to print ink dots on paper, which has no practical value in reality. At this time, the focus of technological development was changed from the previous ink discharge onto the paper, to the control of ink dots. The three researchers of Siemens Technology developed and developed the piezoelectric dot control technology (the predecessor of EPSON piezoelectric technology) in the same year, and applied it to the Seimens Pt-80 (mass production in 1978), becoming the first commercial Value inkjet printer.

• In 1979, two pioneer researchers of Canon, Japan Endo and Hara successfully launched Bubble Jet bubble jet technology.

• Hewlett-Packard also launched a similar technology independently later. Of course, the word bubble has been preempted by CANON. HP named this technology Thermal Ink-Jet.

• NEC (Japan Electric) and Matsushita (Panasonic) have developed electrostatic inkjet technology.

• Next came EPSON's Micro Piezo technology, HP's Fuli technology, CANON's FINE technology and so on.

• In 2003, the world's first digital photo printer with eight-color ink technology, the HP Photosmart series printer, was launched.

• In June 2003, Xaar launched the first mass-produced inkjet head Xaar 318, creating a new aspect of large-format industrial inkjet printing, and successively launched Xaar 516, Xaar 760 and other industrial nozzles.

• In 2005, the world's first 9-color photo printer HP Photosmart 8758 was born.

• Xaar 1001, launched in 2007, is an inkjet head designed for high-speed inkjet printing. It uses 8-level grayscale technology, the number of effective nozzles is 1,000, the width of the print bar is 70.5 mm, and the ink droplet is 6 picoliters A variety of printing and industrial applications.

• In September 2007, Canon launched the image PROGRAF iPF series of 12-color large-format inkjet printing equipment, using high-density inkjet heads using FINE technology, each color has 2560 nozzles, and 12-color inks have a total of 30720 Nozzles, each nozzle can eject 4 picoliters of ink droplets at least, becoming a model for high-speed image-level printing in the imaging industry.

• In November 2008, Epson launched its new generation of TFP micro piezoelectric inkjet head, which is by far the most advanced inkjet head of Epson. Each color has 360 fine nozzles, which can produce a minimum of 3.5 through intelligent ink drop conversion technology. Slightly increased ink droplets enable accurate printing.

• In April 2008, Kyocera began to enter the inkjet head business field, and launched the first K J4 series inkjet head, using a unique advanced piezoelectric ceramic technology, developed the most suitable for the use of inkjet head small piezoelectric actuator (Piezo element), and the piezoelectric actuator and its attached small nozzle are closely and orderly arranged on a 4.25 inch wide inkjet head. It is said to be the world's widest line scan type inkjet head, capable of single-pass printing, reaching the world's fastest printing speed of 150 meters per minute.

• In recent years, many manufacturers have introduced new inkjet heads, such as Toshiba C A4 inkjet heads, Fuji Dimatix M series inkjet head arrays, and Panasonic inkjet head arrays, which have been used in inkjet printing equipment and other fields.

• Many large-scale mergers and acquisitions in the industry, large companies have acquired inkjet technology companies, and fully entered the digital inkjet printing field: HP acquired Sai Angel, Kodak acquired Ankai, Fuji acquired Spectra, Canon acquired Océ. . .

Inkjet printing is an important part of digital printing

Digital printing technology is growing. . .

The type of inkjet technology involved. . .

At present, digital printing equipment mainly has the following two types of technology:

1. One type is a digital printing machine based on the principle of laser. This category mainly comes from copier technology and laser printer technology. This technology is limited by defects in media adaptability, printing format, printing speed, graphic quality, etc. With the advent of digital printing machines with the development of inkjet technology, this type of printing The machine may be phased out gradually. This is also the reason for the difficulty in popularizing digital printing in the previous years.

2. Another type is the digital printing machine of inkjet technology. The main technologies of inkjet technology digital printing machine include: digital prepress technology, RIP technology, ink supply system technology, inkjet control technology, nozzle technology, printing media transmission technology (printing machine paper platform), ink technology Media inkjet printing adaptation technology and system maintenance technology. At present, there are also companies that originally possessed digital prepress technology and RIP technology in the development of inkjet printers.

Features of inkjet printing:

1 Non-contact printing 2 Variable data printing 3 High speed and improvement 4 Suitable for multiple media 5 Digital color management 6 Web publishing and remote printing

Fields involved in inkjet printing:

1. Even the layout of traditional printing companies' booths at the exhibition must use digital large-format printing inkjet panels as the main implementation mode, because large-format digital printing is already the most successful printing application mode. In the field of large-format images, inkjet printing has replaced screen printing.

2. CTP (Computer-to-plate), CTS (Computer To Screen), DTG (Direct To Garment), DTF (Direct To Fabric), etc. directly depend on the development of inkjet technology.

3. Proofing before printing, color proofing and proofreading can be realized, and standard color performance and graphic printing are adopted respectively to meet the needs of different processes. It can also be used for on-site quality control during the production process.

4. Variable data printing has become a vigorous new demand, such as the assignment of drug monitoring codes and other variable data printing needs.

5. Packaging and label printing. Traditional rotary screen printing machine equipment manufacturer STORK, Italian imaging equipment manufacturer durst, Founder and HP have all manufactured inkjet label printers; in addition to desktop printers that cooperate with Lenovo, memjet technology is also in the UK. Introduced high-speed inkjet label printing equipment for single-pass printing.

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