As one of the four major packaging materials, metal packaging ranks behind paper packaging and plastic packaging in terms of scale, as well as glass packaging. In 2017, there were more than 1,500 metal packaging printing companies. The following technological development trends will promote the transformation and upgrading of the can making machine industry and shape the future of metal can making machines.
- Printing equipment trend: multi-color high speed, environmental protection and energy saving, high automation control level
There is a serious overcapacity in metal printing. It is foreseeable that in the future, traditional two-color printing will gradually withdraw from the stage of history, while multi-color high-speed, environmentally friendly and energy-saving printing presses will occupy an absolute advantage. Production speed increase The current printing speed in intermittent feeding mode cannot exceed 6000 sheets/hour, so achieving high-speed continuous feeding has become the goal of printing equipment companies.
- Application of new technology
Metal digital proofing Although digital proofing on paper has greatly improved the efficiency compared with the traditional proofing used before, there is always a color difference between paper and iron samples. The metal digital proofing technology has achieved a breakthrough from digital proofing to metal proofing, reducing the deviation between paper and metal samples and shortening the proofing time. In the future, we can build a color management system for metal printing based on this.
- Green raw materials
With the tightening of national environmental protection policies and regulations, greener, environmentally friendly, energy-saving, and low-emission materials will obviously be favored by the metal printing industry. UV curing materials With the rapid development of multi-color UV printing, the amount of UV ink has already exceeded that of traditional inks, and it will continue to rise in the future. Compared with external coating materials, related technologies can be used for coating materials to achieve zero VOCs emission, while internal coating is difficult in this regard.
- Environmental protection and energy saving
With the increasingly stringent national environmental protection policies, metal packaging companies should pay attention to this issue. It is recommended to scientifically evaluate the existing production process and equipment, and determine a reasonable environmental protection treatment method, so as to achieve the goal of not only energy saving and environmental protection, complying with policy requirements, but also not causing excessive operating costs and embarrassing the enterprise.
- Food safety
As people's attention to food safety continues to increase, the food safety of packaging materials is highly valued, and the speed of food hygiene standards and regulations is getting faster and faster. Because other authors have described it in detail, it will not be repeated here.
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