Application of Print Quality Inspection Technology
1. Application of automatic print quality inspection technology
From the equipment point of view, fully automatic print quality testing equipment must be able to adapt to different production processes, in particular, must adapt to the complexity and diversity of the domestic printing process, therefore, must have different equipment to meet the testing requirements of different customers. If the printing process is divided, there will inevitably be user-selectable connection detection devices and off-line detection devices. The more ideal situation is to subdivide offline detection devices into single-sheet detection devices or cassette detection devices. For connection detection equipment, it should be able to find problems in the production process in a timely manner, alert operators to take measures to solve problems, reduce waste products, and increase profits for enterprises; for off-line inspection equipment, it is an after-the-scenes screening of print products and analysis of production processes. Help the management of the company get more information and assist the internal management of the company. Relying on the capabilities of equipment suppliers, end-users can choose to test equipment offline, and printing manufacturers can freely combine in multiple options to achieve 100% inspection.
Take Japan's packaging and printing manufacturers as an example, the economical and reasonable quality control method is to first select the connection test equipment and remove the defective printed matter; secondly, cooperate with other off-line testing equipment to do targeted detection on the printed products that have been removed. Wired detection is used for process control, finding problems, reducing problems, and minimizing the possibility of recurrence of the same problem. The off-line testing equipment that cooperates with it is to further improve the quality system and achieve 100% inspection.
Another option is to first rely on the speed of a sheet-fed inspection device to pick out defective single-sheet prints from the entire printed matter. These prints should also have good prints intermixed, and the detection equipment can be used to pick out those good ones. The prints.
In order to meet the more complex requirements of customers, testing equipment must have enough flexibility. If only the work of “inspection†(discovery of defects) is performed and there is no function of “separation†(differentiating between qualified products and defective products), then the meaning of “inspection†will be greatly reduced, and therefore it is required that the testing equipment must perform “inspection†at the same time. "and" points "function. Of course, there are more and more practical considerations, such as whether the connection test equipment can be installed more flexibly and more mobilely. Can you have more choices according to the customer's actual situation? Some customers will require double-sided inspection, and some customers will require the camera's detection accuracy to be increased to 0.05mm, and customers will require only the detection of specific colors.
2. Increased management efficiency
Although some printing companies in China have begun to pay attention to automatic print quality inspection equipment, some people think that the detection of automatic detection equipment does not differ significantly from manual detection. Actually, human detection, although the test results are acceptable, lacks specific data and cannot even tell which process was the waste product. This test result is quite unfavorable for the management of a company. The use of testing equipment for quality testing provides real-time reporting of the entire process and detailed and complete analysis reports. The on-site operator can rely on the timely detection of the automatic detection equipment and timely adjust the problems in the work according to the real-time analysis report. It is possible that the reduction will be not only a percentage point scrap rate, the manager can analyze the report based on the test results. Tracking the production process is more conducive to the management of production technology. Because of the high-quality testing equipment required by customers, not only does it stop at the quality of the printed matter, but it also requires the ability to analyze afterwards. Some quality inspection equipment can not only improve the qualification rate of finished products, but also help manufacturers to improve the process and establish a quality management system to achieve a long-term stable quality standards.
3. Increased market demand
What are the reasons for the Japanese companies to first adopt the automatic print quality inspection equipment? In Japan, the food packaging and pharmaceuticals, cosmetics packaging industry, industry associations strictly regulate the quality standards of packaging and printing plants, in addition to direct containers, more strictly The related product names, methods of use, and in particular the printing quality of the labels on the inner and outer packagings are specified. Because there have been accidents caused by accidental taking of drugs due to the printing of drugs on the outer packaging of medicines, the number of dots has been printed. Visible, the importance of label printing quality, in addition, in the food packaging industry, in addition to strict management in the production process, but also all the packaging to be tested to prevent small omissions so that companies lose a good reputation. Of course, one of the reasons is to reduce the large amount of expenses required for manual testing.
More importantly, in the modern business economy, people are increasingly aware of the importance of logistics. Take Wal-Mart as an example, large supermarket chains strictly require that the bar code of the goods provided by the supplier must be correct. Because of the correctness of bar codes, not only does it affect the working efficiency of the cashier, it also directly affects the entire supermarket to quickly and accurately count storage capacity. Therefore, manufacturers will request that each bar code must be inspected. This is also a problem that domestic companies must face when entering the international market.
In short, with the improvement of domestic production equipment, we can predict that the future printing quality standards will be further enhanced. Both the printer and the end user must further improve the existing quality management. Similarly, with the improvement of domestic living standards, we must also face the reality that the labor force is gradually becoming more expensive. Let us focus more on the future and pay attention to the development of automatic print quality inspection equipment and technology.
1. Application of automatic print quality inspection technology
From the equipment point of view, fully automatic print quality testing equipment must be able to adapt to different production processes, in particular, must adapt to the complexity and diversity of the domestic printing process, therefore, must have different equipment to meet the testing requirements of different customers. If the printing process is divided, there will inevitably be user-selectable connection detection devices and off-line detection devices. The more ideal situation is to subdivide offline detection devices into single-sheet detection devices or cassette detection devices. For connection detection equipment, it should be able to find problems in the production process in a timely manner, alert operators to take measures to solve problems, reduce waste products, and increase profits for enterprises; for off-line inspection equipment, it is an after-the-scenes screening of print products and analysis of production processes. Help the management of the company get more information and assist the internal management of the company. Relying on the capabilities of equipment suppliers, end-users can choose to test equipment offline, and printing manufacturers can freely combine in multiple options to achieve 100% inspection.
Take Japan's packaging and printing manufacturers as an example, the economical and reasonable quality control method is to first select the connection test equipment and remove the defective printed matter; secondly, cooperate with other off-line testing equipment to do targeted detection on the printed products that have been removed. Wired detection is used for process control, finding problems, reducing problems, and minimizing the possibility of recurrence of the same problem. The off-line testing equipment that cooperates with it is to further improve the quality system and achieve 100% inspection.
Another option is to first rely on the speed of a sheet-fed inspection device to pick out defective single-sheet prints from the entire printed matter. These prints should also have good prints intermixed, and the detection equipment can be used to pick out those good ones. The prints.
In order to meet the more complex requirements of customers, testing equipment must have enough flexibility. If only the work of “inspection†(discovery of defects) is performed and there is no function of “separation†(differentiating between qualified products and defective products), then the meaning of “inspection†will be greatly reduced, and therefore it is required that the testing equipment must perform “inspection†at the same time. "and" points "function. Of course, there are more and more practical considerations, such as whether the connection test equipment can be installed more flexibly and more mobilely. Can you have more choices according to the customer's actual situation? Some customers will require double-sided inspection, and some customers will require the camera's detection accuracy to be increased to 0.05mm, and customers will require only the detection of specific colors.
2. Increased management efficiency
Although some printing companies in China have begun to pay attention to automatic print quality inspection equipment, some people think that the detection of automatic detection equipment does not differ significantly from manual detection. Actually, human detection, although the test results are acceptable, lacks specific data and cannot even tell which process was the waste product. This test result is quite unfavorable for the management of a company. The use of testing equipment for quality testing provides real-time reporting of the entire process and detailed and complete analysis reports. The on-site operator can rely on the timely detection of the automatic detection equipment and timely adjust the problems in the work according to the real-time analysis report. It is possible that the reduction will be not only a percentage point scrap rate, the manager can analyze the report based on the test results. Tracking the production process is more conducive to the management of production technology. Because of the high-quality testing equipment required by customers, not only does it stop at the quality of the printed matter, but it also requires the ability to analyze afterwards. Some quality inspection equipment can not only improve the qualification rate of finished products, but also help manufacturers to improve the process and establish a quality management system to achieve a long-term stable quality standards.
3. Increased market demand
What are the reasons for the Japanese companies to first adopt the automatic print quality inspection equipment? In Japan, the food packaging and pharmaceuticals, cosmetics packaging industry, industry associations strictly regulate the quality standards of packaging and printing plants, in addition to direct containers, more strictly The related product names, methods of use, and in particular the printing quality of the labels on the inner and outer packagings are specified. Because there have been accidents caused by accidental taking of drugs due to the printing of drugs on the outer packaging of medicines, the number of dots has been printed. Visible, the importance of label printing quality, in addition, in the food packaging industry, in addition to strict management in the production process, but also all the packaging to be tested to prevent small omissions so that companies lose a good reputation. Of course, one of the reasons is to reduce the large amount of expenses required for manual testing.
More importantly, in the modern business economy, people are increasingly aware of the importance of logistics. Take Wal-Mart as an example, large supermarket chains strictly require that the bar code of the goods provided by the supplier must be correct. Because of the correctness of bar codes, not only does it affect the working efficiency of the cashier, it also directly affects the entire supermarket to quickly and accurately count storage capacity. Therefore, manufacturers will request that each bar code must be inspected. This is also a problem that domestic companies must face when entering the international market.
In short, with the improvement of domestic production equipment, we can predict that the future printing quality standards will be further enhanced. Both the printer and the end user must further improve the existing quality management. Similarly, with the improvement of domestic living standards, we must also face the reality that the labor force is gradually becoming more expensive. Let us focus more on the future and pay attention to the development of automatic print quality inspection equipment and technology.
Source: "Printing Technology - Label Special Issue"
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