| 镭射膜的加工工序概括 |
| 添加时间：2018/12/12 14:39:45 浏览次数： |
| 镭射膜的加工工序概括 Summary of Processing Processes of Laser Film 制镭射模压版 Making Laser Molding Plate 制镭射模压版是镭射膜生产的核心环节之一，压版的铸造水平决定了镭射膜的生产质量，铸造镭射模压版与印刷工艺中的制版完全不一样，要求也不同，镭射模压版采用特殊金属薄片经专门电铸而成，版材兼具较强的硬度和柔韧性，在高温烘烤下不能变形，并且在放大镜下观察也不能看到版面有任何微小的缺陷。所以，镭射模压版的铸造质量要求非常苛刻。版材也非常昂贵，因此使用时非常小心，在擦版、维护时不能有任何微小的碰撞，不能有油污、水点溅到镭射模压版上，负责都会导致产品报废。 Making laser die plate is one of the key links in the production of laser film. The casting level of the plate determines the quality of the film. Casting laser die plate is totally different from the plate-making in printing process and has different requirements. The plate is made of special metal sheets by special electroforming. The plate has strong hardness and flexibility. It can not be deformed under high temperature baking and can not be deformed. You can't see any minor defects in the layout under a magnifying glass. Therefore, the casting quality of laser die plate is very strict. Plates are also very expensive, so use very carefully, in erasing, maintenance can not have any minor collisions, no oil, water splashes on the laser die, responsible will lead to product scrap. 涂布工艺 Coating process 一般镭射膜有两种材质，分布为BOPP和BOPET。BOPP可以直接在上面压镭射图文，而BOPET则不行，如果要在BOPET基膜上压镭射图文，就要先在PET基膜上涂布非常薄的专用涂料，然后再压镭射图文。而涂布专用涂料过程中，既要保证合适的黏度，同时对涂布环境有较高要求，如密封、无尘、恒温、恒湿等。 In general, there are two kinds of materials for laser film, BOPP and BOPET. BOPP can directly press the laser image on it, but BOPET can not. If you want to press the laser image on the BOPET base film, you must first coat the PET base film with very thin special coating, and then press the laser image. In the process of coating special coatings, it is necessary to ensure the appropriate viscosity, and at the same time to have higher requirements for the coating environment, such as sealing, dust-free, constant temperature, constant humidity, etc. |
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