Talk about the basic experience of printing product quality management

The quality management of printed products has both scientific and standardized fixed standards, and it is also a development process that keeps pace with the times and changes with the times. Experts and scholars, people from the printing industry have long-term and unremitting exploration and never stop. We talk about specific experiences in order to communicate.

First, the configuration of advanced equipment is a prerequisite for ensuring product quality

Advanced equipment can guarantee the printing of high-quality products. This is a well-known principle. As a company, we must focus on long-term development, focus on adapting to the current market, and attach great importance to the renewal of printing equipment. To achieve "composition computerization, offset printing, binding linkage." Special attention should be paid to channel-raising funds, plan, and focus on updating and renovating a batch of sufficient equipment in the region, even domestic and international leading. In peacetime, it is guaranteed to meet the requirements of customers for different grades of books and periodicals, and at the crucial moment, high-end fine books can be printed to create a brand name for the company. The 529 plant has invested more than 60 million yuan continuously in recent years to carry out technological transformation. Not only has lead and fire been eliminated, light and electricity have been realized, and a large number of modern equipment have been built. Among them, there are imported four-color and five-color offset presses for high-end color printing, and eight-color printing machines for printing large-volume color textbooks, both offset printing rotary presses capable of printing large quantities of black and white live jobs, and also capable of adapting to short-lived live jobs. BB machine, 01 machine. In bookbinding, there are both glued-linked lines and a finishing shop that specializes in hardcover books. In 2000, the company won the National Quality Bronze Medal for the second time, set a new record in the 50th anniversary of the founding of the Northwest, and became a leader in printing enterprises in Shaanxi Province.

Second, improve the quality of employees is the fundamental guarantee of product quality

It is the truth that high-quality employees can produce high-quality products. The quality of employees at the May 23rd factory is uneven. There are a large number of college students who have graduated from professional colleges and universities. There are also high school and junior high school students who are recruiting or taking over to replace the factory, and there are a group of re-armed military personnel. Some people are diligent in learning, and their ideological, cultural, and technical qualities are relatively high. Some people do not seek progress and are relatively poor in all aspects. In response to this situation, companies conduct various forms of training at different levels. The first is to carry out the teacher's activity with the teacher on the job, so that all the high-quality masters can help the apprentice. The second is to organize staff promotion and various professional skills training classes and invite famous teachers to teach. The third is to send outstanding employees out training. The fourth is to implement a reward system for self-study exams to encourage employees to participate consciously in TV universities, letter schools, and study at night. Fifth, the appointment of personnel in key positions has prompted employees to strengthen their on-the-job learning. Sixth, recruit talents for the community. After several years of hard work, not only has a large number of management talents been cultivated for enterprises, but also a number of employees with excellent skills, high ideological and cultural qualities, and young and promising have been created for each production machine. A well-established and well-integrated structure has been formed with the integration of old and young people, management and technology, and the production team. In ### years, the company won the title of Advanced Unit for Staff Training in Shaanxi Province.

Third, strict material clearance is the basis for ensuring product quality

Printing materials mainly include paper, ink and PS plates. Strict procurement, quality ratio. Strict use of customs, excellence. Strict recovery, increase revenue and reduce expenditure. This is the basis for ensuring product quality. It is necessary to pay attention to the price of offset printing paper, but also pay attention to quality. One should pay attention to the small deformation of the paper in case of water, so as to ensure the overprinting accuracy in the printing process. Prevents paper from being locally deformed due to the influence of the humidity of the air, causing the paper to produce a flounced or tight edge, and is subjected to pressure when printing. Try to make the moisture content of the paper close to the temperature and humidity of the workshop environment to reduce the deformation. The second is to have a high surface strength in order to resist the adsorptive force of inks and blankets with higher viscosity, so as not to cause serious lint-free powder, otherwise it will seriously affect the printing quality and reduce the plate life and production efficiency. The third is the requirement of high smoothness to ensure that the outlets are complete, clean and clear. The fourth is to require high whiteness to ensure bright colors. The fifth is the absorption of the ink to achieve the specified target, after printing on the paper to retain a certain thickness of the ink layer, in order to maintain the printing ink color density and color luster. The offset printing ink should not only pay attention to the manufacturer and brand, but also pay attention to its internal quality, such as water resistance, viscosity, drying performance, etc., and then make a decision to adopt or not after trial. For, - Edition should pay attention to the substrate and photosensitive coating, the substrate should have a good hydrophilicity, the coating should have a strong adsorption capacity. The base must also have good dimensional stability, small thickness errors, and a flat surface.

Fourth, strict process operation is the key to ensure product quality.

The quality of printed products is really dried out. Dry, must strictly abide by the technical rules of operation. To start from the first process, plate making should be accurate, clear, and reliable. In particular, the film should be consistent with the original. Before printing, it is necessary to strictly control the imposition and printing, and to inspect the equipment and auxiliary materials. In printing, pay attention to equipment pressure and ink balance. Under normal circumstances, the pressure is too large, the printing network will be large, easy to bring dirty, the pressure is too small, the network is lost, not printed. If the water is big, the text will fade and it will be unclear. If the water is small, the paste will be dirty. The key is to adjust the elastic balance of the rubber roller. After printing, it is necessary to clean up the ink in time, clean the eraser, take down the printing plate, and repair the equipment. In binding, it is necessary to strictly follow the process requirements of folding, collating, binding, cutting and packaging. Only strictly abide by the process and standardize operations to ensure the production of quality products. The word will fade and it will be unclear. If the water is small, the paste will be dirty. The key is to adjust the elastic balance of the rubber roller. After printing, it is necessary to clean up the ink in time, clean the eraser, take down the printing plate, and repair the equipment. In binding, it is necessary to strictly follow the process requirements of folding, collating, binding, cutting and packaging. Only strictly abide by the process and standardize operations to ensure the production of quality products.

V. Maintaining a good environment is a necessary condition for ensuring product quality

Offset printing of books requires stricter environmental factors. The temperature, humidity, brightness, and cleanliness of the production site are directly related to improving product quality. The workshop must undergo special treatment, close production, install air-conditioning, and maintain constant temperature and humidity throughout the year. The window of the studio is better in light transmission and brighter in light, which is helpful for the operator to see the type of overprint, adjust the ink color and ensure the hue. The finished products must be stacked and the environment should be kept clean and tidy. Effectively, the ground is free of oil, the equipment sees its true colors, and the operation is meticulous, ensuring that it is “excellent in quality and good in books”. ”