Laser marking machine for ice cream packaging
Introduction of laser marking for ice cream packaging
At present, laser marking technology has been applied in all walks of life, in the field of ice cream packaging, laser marking can completely replace ink marking. Carton packaging, plastic box packaging, plastic bag packaging, aluminum film packaging, ice cream omelet, metal packaging, etc. At present, people are in the pursuit of healthy, safe and hygienic food. In the ice cream industry, the hygiene problem is more stringent. Ink jet printing can not completely guarantee that the production process is not polluted. Laser can complete the coding operation without contact, adhesion, pollution and safety.
Laser marking is a non-contact marking operation. It irradiates a high-energy laser beam (concentrated energy flow) on the surface of the material to be processed. The surface of the material absorbs the laser energy and generates a thermal excitation process in the laser scanning area, so as to increase the surface temperature and produce burning, vaporization or carbonization, forming traces, So as to form a contrast color effect on the surface of the workpiece and complete the clear text or pattern marking. The whole process time is very fast. Before the heat is transferred to the adjacent area, the processing process is over.
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Through the computer software drawing, we can easily complete all kinds of two-dimensional code, logo, text and pattern coding operations. The content can be adjusted at will through the computer typesetting software, and vector files in PLT, AI and DXF formats can be imported.
Comparison between laser technology and ink jet printing technology
- Environmental protection: the inkjet machine produces benzene and ketone pollution gases in the confined space, causing strong discomfort.
Laser marking is the use of high energy density laser to irradiate the workpiece locally, so that the surface material burns off a layer. Therefore, it is very environmentally friendly, pollution-free, strengthens the safety of food packaging, meets the health and zero pollution needs of the food industry, anti-counterfeiting and anti-counterfeiting: put an end to the food "date game": the inkjet printer logo is easy to be altered, can fake and alter the production date, and in the case of a sudden power failure, it causes ink blockage, affecting production. Laser marking is not easy to copy and can not be changed, anti-counterfeiting, strong stability.
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- Low operating cost: Inkjet mass production line, the use of high cost, single cost of about 15000-20000 / year. Ink machine needs regular maintenance, regular cleaning, troublesome and high maintenance cost. Ink jet printing will produce ink consumables as long as it is turned on for production, and in the production process, due to misoperation or illegal power-off, the nozzle may be blocked. Once the ink nozzle is blocked, it needs professional personnel to use professional solvent for cleaning, and the ink may also pollute the food production workshop. Laser marking has the advantages of high speed, one-time forming, low energy consumption and low operation cost. Although the equipment investment of the Laser marking machine is larger than that of the traditional marking equipment, the operation cost of the Laser marking machine is much lower. The service life of the equipment is about 10 years. On the mass production line, the cost of a single mark is close to zero.
- Permanent: ink jet printer under different conditions, the degree of firmness is not the same. Touch, acidic and alkaline gas, high temperature and low temperature will affect the adhesion. Laser marking permanent logo will not fade due to environmental factors
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- Applicability: ink jet printing due to the limited applicability of ink adsorption. Oily surfaces cannot be used. Using laser as processing means, many kinds of materials can be processed, and the application range is very wide, and there is no great requirement for the cleanliness of the material surface. Laser marking can process many kinds of materials by using laser as processing means. It has a wide range of application and no great requirement for the cleanliness of the material surface.
- Automation and development speed: inkjet machine development speed is slow, update cycle flexibility is low, it is difficult to complete the complex automation requirements. Due to the combination of laser technology and computer technology, users can realize laser printing output as long as they program on the computer, and can change the printing design at any time, which fundamentally replaces the traditional mold manufacturing process, shortens the product upgrading cycle and provides a convenient tool for flexible production. And it's very easy to integrate into a variety of automated production lines
- Processing efficiency: the processing efficiency of inkjet machine is relatively low. Laser marking is controlled by computer. The laser beam can move at a high speed (up to 5-7 M / s), and the marking process can be completed in a few seconds.
- Enhance the added value of products: through laser identification, people will have a sense of trust, trust in corporate responsibility, trust in product quality. Laser marking machine can also connect one thing one code system according to the requirements of the industry to effectively improve the added value of products