Brief introduction of cold stamping process

In general, cold stamping can usually be used for jobs printed on UV flexo printing machines. The equipment and materials required for the cold stamping process are as follows.

(1) Standard flexographic printing or relief printing unit.

(2) Photosensitive resin plate and anilox roller, and there must be enough spare anilox roller to choose from.

(3) The embossing roller with the hardness of HS90 must be able to be easily installed in the printing unit, and ensure that sufficient pressure is provided to ensure that the hot stamping is carried out smoothly.

(4) Hot stamping foil unwinding device and winding device. Pay attention to adjust the winding tension when cleaning the waste to avoid wrinkling or delamination of the hot stamping material.

(5) Hot stamping foil.

(6) UV adhesive.

(7) UV curing system. The UV curing system must be as close as possible to the imprinting device in order to cure the UV adhesive in time after printing and hot stamping. The power of the UV curing system is required to be at least 300W. The UV lamp and reflector must be kept clean and free of UV varnish and dust impurities, so as not to affect the curing effect of the UV adhesive.

(8) Peeling device. The peeling device is installed at the rear end of the UV curing system. In addition to peeling off the waste foil, the device can avoid the delamination of hot stamping foil before UV curing, and can also reduce the wrinkling and skew of the printing material.

In addition, in order to obtain high-quality hot stamping products and higher profit margins, skilled operators are also required to be able to deal with and solve various problems in the production process, especially various problems related to UV systems.

In actual production, the hot stamping technology can achieve the best stamping quality and stamping effect, but the cost is higher. Although the quality of cold stamping is also good, it is inferior to hot stamping, but the cost is lower. No matter which hot stamping technology you use, you should pay attention to these two hot stamping technologies, because the price of hot stamping is constantly lowering, and the quality of cold stamping is also constantly improving. Both hot stamping technologies are in continuous In progress and development.

When a printing company decides whether to invest in cold stamping technology, it must combine the actual situation of the company to understand the situation of the company's printing machine, because the cold stamping process means that a printing unit should be replaced by a cold stamping unit, and a peeling device needs to be installed. If the number of color sets of the printing machine is not enough, it may affect the normal printing of live parts. In addition, it is also necessary to determine whether the work is suitable for the cold stamping process. Study the graphic carefully to determine whether it can obtain the desired effect after cold stamping. Printing companies can work with UV adhesive suppliers to test cold stamping, provide customers with more choices, and improve their ability to serve customers. On the basis of existing customers, it can also improve the company's own competitiveness and the potential for creating consumer demand for customers' products.

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