In China, the process of making iron boxes can be roughly divided into two categories: one is the iron box printing process, the other is the iron box stamping process, each stage of the iron box production contains different details, professinal tin box manufacturer now introduce you to the special process of making iron boxes.
Printing process: The printing of iron boxes can also be divided into two categories, one is printing and the other is oiling. The layout of the iron box mainly includes offset printing, silk screen printing, laser shooting, oil spraying, printing white printing, etc., and using each different way to print the iron box, the resulting layout effect is different. Commonly used are offset printing and silk screen printing, while laser and fuel injection are suitable for high-grade iron box production. In terms of oiling, as an iron box for outer packaging, special transparent oils such as varnish and dumb oil are usually applied on both sides of the iron box for the purpose of protecting the pattern text of the printing layout. For some food-grade tin boxes, there will be another treatment method. The inner surface needs to be coated with food grade gold oil to prevent the food from coming into contact with the iron box and contaminating the food. In addition to varnish and dumb oil coating, external surface treatment can also choose explosive oil, pearl oil, wrinkle oil and so on.
Stamping process: The stamping process is a deep-layered iron box beautification on the structure of the iron box. Since the tinplate is made of tinplate, its excellent ductility and ease of manufacture are the biggest advantages in the production of iron boxes. Iron box manufacturers can make various forms of iron boxes and iron cans through the aid of molds. The surface of the iron box can also be embossed or debossed, so that the pattern, the text and the logo have stereoscopic vision, and the overall effect of the design of the iron box has been increased.
The above is the production process of the tinplate box introduced by the tin box manufacturer Sheng Tai Tin Box. For more information about the tin box, please feel free to contact us.