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Do you know some factors that affect the effect of hot stamping machine?

Author:admin2023/8/12

  

The perfect effect of hot stamping machine mainly depends on the level of temperature, pressure and hot stamping speed. Therefore, if you want to get the perfect hot stamping paper, you need to pay attention to the following three points.

1. Temperature

Temperature has a very important impact on hot stamping, the temperature must be controlled within the corresponding range, so that the dyeing resin layer and the adhesive moderate melting, in order to ensure the good transfer of aluminum layer.

If the temperature is too high, the melting is excessive, the electrolytic aluminum around the hot printing image also melts and falls off to produce paste plate, while the high temperature will also cause chemical changes in the electrolytic aluminum dyeing resin and aluminum layer, the brightness of the hot printing product is reduced and the metal luster is lost, and even the impression appears foggy or foaming; However, if the temperature is too low and the melting is not sufficient, it will also cause hot printing or hot printing is not strong, the imprint is not firm, easy to fall off, or the missing pen is broken, and the imprint is blooming.

2. Pressure

The transfer of hot stamping of aluminum layer must be completed by pressure, and the size of hot stamping pressure affects the adhesion fastness of electrolytic aluminum. Even if the temperature is appropriate, if the pressure is insufficient, the electrolytic aluminum can not be transferred to the substrate well, which will produce problems such as false impression and flower plate; On the contrary, if the pressure is too large, the compression deformation of the liner and substrate is too large, the imprint will be thick, and even stick and paste. Usually, the hot stamping pressure should be appropriately reduced to achieve no fading and good adhesion fastness.

Adjustment of hot stamping pressure to the substrate, hot stamping temperature, speed and electrochemical aluminum itself and other factors. In general, the paper is strong, the smoothness is high, the printing ink layer is thick, and the hot printing temperature is high and the speed is slow, the hot printing pressure should be smaller, and on the contrary, it should be larger. Hot stamping pressure must be uniform, if it is found that the local hot stamping and hemp, it is likely that the pressure here is small, should be placed on the plate on a layer of tissue paper, so that the pressure tends to balance.

Hot stamping pads also have a greater impact on pressure. Hard liner can make the impression beautiful, suitable for strong, smooth paper, such as coated paper, glass cardboard; The soft liner is on the contrary, the imprint is thicker, which is suitable for hot printing with a large area, especially the surface is uneven, the paper is flat, the smoothness is poor, the paper is rough. At the same time, the installation of hot stamping foil can not be too tight or too loose, too tight when the handwriting is missing pen broken; Too loose handwriting is not clear, paste version.

3. Speed

Hot stamping speed actually reflects the contact time between the substrate and the hot stamping foil during hot stamping, which directly affects the fastness of hot stamping. Hot printing speed is too fast, will lead to hot printing or imprinting hair; Hot stamping speed is too slow will not only affect the quality of hot stamping, but also affect the production efficiency.

In the process of hot stamping, speed, pressure and temperature are mutually restricted, and the process parameters are always determined in the order of hot stamping speed, pressure and temperature. First determine the hot stamping speed. Under normal circumstances, it is treated as a constant, not easily changed, and then find out the corresponding hot stamping pressure and hot stamping temperature, which can simplify the operating procedure and easy to control the quality of hot stamping.