Temperature setting of vacuum laminator

2021-03-25 14:28

Today, I will introduce how to set the temperature of the vacuum laminator. The temperature is a very important parameter of the vacuum laminator, which is set according to the technical requirements of your laminated products. For example, in the lamination process of multilayer circuit boards, there are several temperature parameters that are more important. We must take them seriously and cannot have the slightest negligence, otherwise it will bring great losses to production.

The following LAUFFER vacuum laminator to introduce you to the temperature parameters in the lamination process of multilayer circuit boards:

The melting temperature of the multi-layer circuit board resin, the curing temperature of the resin, the set temperature of the hot plate of the vacuum laminator, the actual temperature of the material and the speed of heating are changed. Melting Temperature The resin starts to melt when the temperature rises to 70°C. It is due to the further increase in temperature that the resin further melts and begins to flow. In the temperature of 70-140 ℃ during this period of time, the resin is easy to fluid, it is because of the flow of the resin, to ensure that the resin filling, wet. As the temperature gradually increases, the fluidity of the resin undergoes a change from small to large, and then to small, and finally when the temperature reaches 160-170 ℃, the fluidity of the resin is 0, and the temperature at this time is called the curing temperature. In order to make the resin better filling and wetting, it is very important to control the heating rate. The heating rate is the concretization of the lamination temperature, that is, to control when the temperature rises to how high. The control of the heating rate is an important parameter for the lamination quality of the multilayer board, and the heating rate is generally controlled at 2-4°C/MIN. The heating rate of vacuum laminator is closely related to different models and quantities of PP. The heating rate of 7628PP can be faster, I .e. 2-4 ℃/min, and the heating rate of 1080 and 2116PP can be controlled at 1.5-2 ℃/MIN. At the same time, the number of PP is large and the heating rate cannot be too fast, because the heating rate is too fast, the wettability of PP is poor, the resin fluidity is large, and the time is short, which is easy to cause skateboard and affect the lamination quality. The temperature of the hot plate of the vacuum laminator mainly depends on the heat transfer of the steel plate, steel plate, leather paper, etc., generally 180-200°C.

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