Application characteristics and principle analysis of pre-coating laminating machine

The pre-coating laminating machine uses the pre-coating peritoneal process for laminating, without gluing and drying parts. It has a short process flow, compact structure, simple operation, low cost, large production flexibility, no solvent odor, and no environment Pollution and good film quality are not only suitable for film processing of large batches of printed products, but also suitable for film processing of small batches and scattered printed products such as automated desktop office systems.

The pre-coating laminating machine consists of four main parts: pre-coating plastic film unwinding, automatic printing input, hot-pressing zone compounding, and automatic rewinding, as well as mechanical transmission, pre-coating plastic film flattening, vertical and horizontal slitting, and computer control system And other auxiliary devices. The automatic conveying mechanism can ensure that the printed products do not overlap and enter the composite part at an equal distance during the transmission. Generally, pneumatic or friction methods are used to achieve control. The conveying is accurate and high precision. The same requirements can also be met when the printed product is small in composite format.

The pre-coating film is a special one in the laminating process. In addition to the many advantages of the laminating process, it also increases the visibility function of the product in the packaging, and embeds a beautiful curve in the colorful printing patterns. The viewing window not only makes the packaging more exquisite, but also plays the role of propagating and beautifying commodities and revealing the value of the commodities. It has become an effective means to realize and increase the value of commodities. The difference between its laminating principle and general laminating machine lies in:

1. It coats the adhesive on the surface of the film, and then covers the film on the surface of the printed product, and then presses it into the finished product;

2. The special advantage of the pre-coated film is that it can be automatically sprayed and can be automatically removed by heating and dissolving the powder by using the viscosity of the glue.

The pre-coated film process does not require a binder heating and drying system for the film coating equipment. It is easy to operate and can be used at any time. It has great production flexibility, no solvent odor and no environmental pollution. More importantly, it can completely avoid bubbles and delamination In case of failure, the transparency of the finished product is extremely high.

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