Analysis of the Relationship between Print Types, Operators and Product Quality

In the printing process, any printer operator needs to print with the aid of prints. To produce high-quality products, you must rely on print samples to help and guide the entire printing process. At the same time, the operator's work ability and technical level can also be fully demonstrated in the print sheet.

During the normal printing process, the operator should regularly or irregularly check the printed sheets, paying close attention to the various problems that may affect the quality of the printed sheets. Once discovered, it should be highly valued, strive to eliminate the fault in the bud, and maximize the control of the further expansion and deterioration of the fault, so as to avoid causing poor or even scrapped product quality.

Under normal circumstances, regardless of the mechanical failure, or the printing failures caused by certain problems in the printing process adaptability of various raw and auxiliary materials, the printing faults can be basically produced on the printed sheets so that the press operators can find out. A variety of abnormal phenomena. However, some unconventional phenomena that are not easy to find by the operator may also appear, especially the human failure caused by the operator's own violation of operating procedures or operating procedures. Because the human failure has formed an obstacle to the correct judgment of failure in the operator's subjective. For example, the phenomena that affect the quality of products, such as the appearance of large ink and large ink in printing, are not easily avoided by the operator or corrected in time.

In work, it is difficult to avoid failure. In the course of operation, operators must do their utmost to discover early failures and control and eliminate them in a timely manner. This requires the operator to inspect and print samples in the normal printing process. Only when problems are discovered in time can the problems be solved quickly and the equipment be in good working condition. In the end, the quality of the product can be ensured and the production efficiency can be improved.

In addition to the use of comparatively simple methods such as comparative inspections, sample inspections should also be conducted with the aid of a magnifying glass or other auxiliary inspection equipment to conduct a careful inspection, comprehensive consideration, and comprehensive analysis, without neglecting any one subtle abnormal change, (for a period of time Besides, it may be better), not rely on (depending on others, or left to the next operator to solve), and be proactive, seize the right time, as soon as possible in the first occurrence of failure to be promptly ruled out, to help ensure the quality of bulk product printing Consistency.

In printing, it is necessary to keep the low-speed machine at about 200 sheets, and the high-speed machine checks the printed sheets about 500 sheets at a time. Special attention should be paid to spot inspection of newly printed sheets, because the printing pressure is uniform at the initial stage of printing, whether the ink density is uniform, whether the ink is in balance, whether the layout size meets the requirements, whether the overprint is accurate, and other parameter information can be printed on the sheet. There is a clearer reflection. As long as the operator carefully "reads" the printed sheets and makes timely and reasonable adjustments according to the various "parameters" information displayed in the printed sheets, the short time can be used to ensure the high quality of the products and continuous printing. Sex.

The print-like "content" is not only colorful but also ever-changing. The coordination of work coordination among various movement agencies of the equipment, printing adaptability of various raw and auxiliary materials used in paper, ink, etc., as well as the operator's operating skills and other factors can be basically reflected in the print-like samples (products). in. Printing quality is actually a comprehensive reflection of the above content.

The operator must pay attention to the work in a timely manner, in time to find the quality of the printed sheet and pull out, without making it into the next procedure, to prevent poor quality printed clips shipped in the finished product, so as not to affect the company's reputation and image.

Failures are complex and the forms of expression on the printed sheets are also diverse. If overprinting is not allowed, it may be caused by imposing imposition during platemaking. It may also be caused by overstretching of the fountain solution causing paper stretching, or improper adjustment of the former gauge, side gauge mechanism, etc., resulting in unstable paper running and other reasons. Caused by, that is, a variety of reasons for failure; Another example, if the water supply is too large, it will not only cause ink to fade, but it will also cause ink to be emulsified, the printing plate will appear to be dirty, and paper loss will occur. , The ink roller appeared on the roller and caused the deformation of the dot, plate plate and other faults, that is, a variety of causes caused by a variety of faults. All the printing failures can be more or less basic, or can be expressed clearly or implicitly in different forms of representation and different degrees of severity. The key is whether the operator can discriminate accurately by the printed sheets and timely. Take effective measures to solve the problem. Therefore, operators should constantly improve their own professional quality, not only to pay attention to the accumulation of usual experience, but also to learn the theory of printing professional knowledge, but also need to understand and learn some of the basics of printing marginal subjects, such as printing chemistry, printing machinery and printing electrical And so on, it should also have a solid theoretical knowledge of printing and a wealth of practical operating experience. In order to make the printing of printing sheets play a greater role in helping and instructing the work, if the operator needs to understand and be familiar with the quality requirements and standards of the PS plates printed in the processes of the previous printing plate, etc., only in this way can the PS plates flow into the printing process. Quality checks are carried out so as to timely and effectively solve the problems existing in the PS version that affect normal printing and product quality, and take necessary remedial measures to make timely compensation.

An image type is a microcomputer with a large amount of information. The key is whether the operator can expertly, timely and accurately extract all the useful information it has displayed for his own use, and help himself improve the quality of work and work. effectiveness.

Although the printed sheets have important help and guidance for the operators to improve product quality during the printing process, they may not be able to fully understand them, because the situation in the work is complex and changeable. However, depending entirely on the type of prints in the work, it is also easy to cause work mistakes, resulting in serious consequences that are unpredictable, because some mechanical failures will also have an important impact on the print quality of the product, but some phenomena in the initial stage of the fault cannot be completely intuitive. The ground is reflected on the printed sheets. Therefore, the operator should also be prompted according to the proofs and related factors (such as the smoothness, coordination, sound, and odor of the equipment during operation), such as periodical faults, intermittent faults, etc. ) Conduct regular checks after synthesis, and pay attention to analysis and comparison, and promptly and accurately find and solve any problems in the work that affect product quality, so as to ensure the consistency of product quality and work efficiency.