According to our practice. Temperature control in the range of 80 ~ 100C is more appropriate. And can peel off the ink. Therefore, strict control of temperature is the primary hub of precoated membranes.
Speed: Paper overlay is a compound motion that is occurring dynamically. (The speed of the electronic laminator is smaller because of the hot roller. The speed should be slower.)
Pressure: While accurately controlling the lamination temperature, appropriate pressure should be used. Since the surface of the paper itself is not very smooth, only the sticky-flowing state of the hot melt adhesive will drive away the air on the printed surface. Wet the surface of paper prints. The speed of the movement determines the time for the paper-plastic composite to stay on the hot-pressing work interface of the thermocompression bond, as well as the temperature and pressure input by the laminating machine, as well as the paper-plastic recombination produced during the actual production process. Actual value. When the film temperature and pressure are fixed. The change of speed will cause the film coating effect to change accordingly, and because of the upper limit of temperature and pressure supply, it will only change from the direction less than the set value, and with the acceleration of speed, the amplitude will decrease significantly and the hot pressure force will decline. , make the compound effect worse.
Paper-plastic coating is the comprehensive result of thermal compression and physics. Temperature, pressure, and speed are the three basic factors for realizing this comprehensive physical effect. Accurately handling the relationship between these three is the hub of process manipulation technology. So composite speed. Determine the time for the precoating film and paper print to achieve bonding. According to our experience, the general speed control is better than about 10-20 sheets per minute for folio. The three major factors of speed, so accurately handle the relationship between the three, to ensure the quality of the pre-film coating and the impact of the next process to the production of the key. Running too fast. Bonding is not strong. There will be fog, too slow it is inefficient. Even blistering.
In recent years, the film is basically the use of pre-coated film. Because the use of time is not long, more problems arise, according to process practice shows that the quality of pre-coated film coating is mainly the temperature and pressure.
Speed: Paper overlay is a compound motion that is occurring dynamically. (The speed of the electronic laminator is smaller because of the hot roller. The speed should be slower.)
Pressure: While accurately controlling the lamination temperature, appropriate pressure should be used. Since the surface of the paper itself is not very smooth, only the sticky-flowing state of the hot melt adhesive will drive away the air on the printed surface. Wet the surface of paper prints. The speed of the movement determines the time for the paper-plastic composite to stay on the hot-pressing work interface of the thermocompression bond, as well as the temperature and pressure input by the laminating machine, as well as the paper-plastic recombination produced during the actual production process. Actual value. When the film temperature and pressure are fixed. The change of speed will cause the film coating effect to change accordingly, and because of the upper limit of temperature and pressure supply, it will only change from the direction less than the set value, and with the acceleration of speed, the amplitude will decrease significantly and the hot pressure force will decline. , make the compound effect worse.
Paper-plastic coating is the comprehensive result of thermal compression and physics. Temperature, pressure, and speed are the three basic factors for realizing this comprehensive physical effect. Accurately handling the relationship between these three is the hub of process manipulation technology. So composite speed. Determine the time for the precoating film and paper print to achieve bonding. According to our experience, the general speed control is better than about 10-20 sheets per minute for folio. The three major factors of speed, so accurately handle the relationship between the three, to ensure the quality of the pre-film coating and the impact of the next process to the production of the key. Running too fast. Bonding is not strong. There will be fog, too slow it is inefficient. Even blistering.
In recent years, the film is basically the use of pre-coated film. Because the use of time is not long, more problems arise, according to process practice shows that the quality of pre-coated film coating is mainly the temperature and pressure.
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