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Effect of Temperature on Hot Stamping of Aluminum Foil

source:未知   time:2017-12-19 22:10   quantity:

Because of the very small amount of hot-melt adhesive coating on the aluminum foil itself, the quality of the transfer of the aluminum foil will be directly affected if the temperature of the hot stamping is slight deviation. In addition, the aluminum layer sprayed on the aluminum surface is also very thin, more sensitive to changes in temperature, so be sure to control the hot stamping temperature of the aluminum. Alteration of aluminum, air bubbles, peeling and other faults also have a great relationship with the control of the temperature of the hot stamping, the relevant technical staff should adjust the hot stamping temperature of the aluminum foil according to the reason of the quality fault.
 
However, in actual operation, the temperature control is not easy to control, such as the aluminum foil will have some quality problems due to fluctuations in the temperature of the stamping. When the hot stamping temperature of the aluminum foil is too high, the aluminum layer on the surface of the aluminum foil will be melted again, spattering occurs, and even color defects, surface fogging and no laser sheen will occur. When the hot stamping temperature is too low, the hot melt aluminum foil is not fully melted, so it is prone to defects such as hot stamping, blooming, paste printing and hot stamping. In short, the temperature is one of the important factors affecting the effect of the hot stamping of the aluminum foil. When the hot stamping of the product is processed, attention should be paid to the temperature regulation.
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