How to ensure the quality of metal packaging printing products

There are many types of Metal Packaging and printing products. The specific issues involved in the production of each product are very different. Take the production of sheet metal offset printing products as an example to illustrate the importance of strengthening production management to ensure product quality.

Metal Packaging containers made of metal plates are generally printed on metal plates before they are formed. Printing of metal plates often uses lithographic offset printing. The main production processes include coating (coating operations), printing, and drying. Therefore, the printing of metal plates is different from ordinary paper printing, but is a special type of printing. Under normal circumstances, in the printing production process of metal plates, in order to avoid the occurrence of various production accidents and ensure the printing quality of products, in addition to strengthening the management of production technology and equipment, the following issues should be noted in production management.

(1) The requirements of the production workshop environment The production workshop environment is good, it will make the workshop staff's minds, and concentrate, which is conducive to the improvement of production efficiency. At the same time, the layout of the workshop must also be standardized. The various raw and auxiliary materials used in production should be placed in a fixed position so that production can be organized. The specific requirements are: 1 Each production workshop maintains a clean and hygienic environment, so that there is no dust, ventilation and ventilation; 2 workshop should be constant temperature, controlled at 20. C is appropriate, the constant temperature focus should be on the other parts of the main body temperature permit; 3 should have good smoke, exhaust gas facilities, can ensure the health of the operator and the environment clean; 4 should be kept dry, wet Too much will affect the drying performance of the printed iron; 5 the ground floor is better with polished cement, which facilitates the flushing of the floor and sanitary cleaning, and is also conducive to the stacking and transport of metal.

(2) The requirements of the oven should ensure that the hot air circulation in the oven is smooth during the production process, and the temperature profile on the metal plate basically coincides at the time, and the exhaust fans operate normally.

(3) Baking temperature should be appropriate For coating, printing, glazing and other production processes, baking temperature is very important. According to the characteristics of coatings, inks, and glazing oils provided by the material supplier, trial production shall be carried out according to the actual conditions of the production to find the production speed, baking temperature and construction viscosity suitable for production.

(4) The choice of raw materials for production should be based on different product requirements and choose suitable raw materials for production. For newly selected materials, trial production should be carried out first, and check whether it matches the raw materials that have already been used, and list the various performance indicators of the selected raw materials.

(5) Note that the choice of production process should select the production process that can meet the product requirements. For example, the “scratch” phenomenon in the production process can easily cause the corrosion resistance of the packaging container to decline. If there are supplementary coating measures during canning, the minor scratches of the interior coating film may not be considered during production; but if When the canning process is not completed, the inner coating film can be applied after printing.

(6) Pay attention to the accumulation of data In the daily production, attention should be paid to the summary and analysis of various aspects of the production process parameters, performance of various production materials, etc. to accumulate actual production experience. At the same time, it adopts production raw materials with good performance, stable quality, and reasonable prices, together with mature production processes, to comprehensively improve the quality of products.