印后加工技术.

Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan第一章概论Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan一、印后加工的分类将印刷品按要求的形状和使用性能进行加工的生产过程，叫做印后加工。印后加工主要包括印刷品的表面整饰、装订和容器加工。1.印刷品的表面整饰印刷品的表面整饰是在印刷品的表面进行适当的处理，增加印刷品表面的光泽度或耐光性、耐热性、耐水性、耐磨性等各种性能，以增加印刷品的美观、耐用性能。主要包括上光、覆膜、金银墨印刷、烫金、凹凸压印等。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan上光在印刷品表面涂布一层无色透明涂料的工艺过程。经过上光的印刷品表面光亮、美观、增强了印刷品的防潮性能、耐晒性能、抗水性能、耐磨性能、防污性能等。上光适用于书籍封面、插页、年历、画册、商品包装等方面。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan覆膜将塑料薄膜覆盖于印刷品表面形成纸塑合一的印刷品。在印刷品表面覆盖一层透明塑料薄膜，增强印刷品的光亮度，改善耐磨强度和防水、防污、耐光、耐热等性能，极大地提高商品和书刊封面的艺术效果和耐用强度，对保护包装装演印刷效果，延长包装货架寿命，提高商品的竞争能力，作用十分显著。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan金银墨印刷采用金色或银色的油墨，经过印刷过程将金色或银色的图文转印到印刷品上。图文具有金色或银色光泽。印刷出的图文金（银）光闪闪，装饰效果非常好。金银墨印刷增强了印刷品的艺术效果，提高了商品的竞争能力，广泛应用于包装装潢印刷、书籍封面印刷和商标印刷。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan烫印也称烫金、烫箔，是用加热的方法将黏合剂熔融，而把金属箔片或色片烫印到纸张或其他材料表面，以形成特殊的装饰效果。烫印有金属箔烫印、电化铝烫印，还有粉箔烫印。目前大部分采用电化铝烫印。在印刷品表面烫印电化铝，能增强印刷品的艺术效果，装饰效果非常明显，主题突出醒目。电化铝箔化学性质稳定，可以经受长时间日晒雨淋不变色，长久保持金属光泽，烫印工艺简单，经济效益好，广泛用于印尉书刊封面、包装装潢、商标图案、塑料制品等，为各种商品增添了光彩，提高了档次。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan凹凸压印是利用压力在已经印好图文或未印好图文的纸或纸板表面压出具有立体感的凸形图案或文字。凹凸压印是包装装演中常用的一种印刷方法，有些书籍封面也采用凹凸压印的方法。凹凸压印是一种特殊的印刷加工工艺，它是浮雕艺术在印刷上的移植和应用，能在面积不宽、厚度不大的平面上凸起图案形象，使平面印刷品产生类似浮雕的艺术效果，画面具有层次丰富，图文清晰，立体感强，图像形象逼真等特点，是纸制品和纸容器表面装饰重要加工方法之一。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan2.装订书刊在印刷完之后，仍是半成品的印张，只有将这些半成品进一步加工，才能成为便于阅读和便于保存的印刷品，这就要装订。装订是书刊印刷的最后一道工序，也是一道非常重要的工序，装订质量的优劣直接关系到书刊的质量和外观。书刊的装订，实际上包括订和装两大工序，订就是将书页订成本，是书芯的加工；装是书籍封面的加工，就是装帧。常见的书刊装订方法分为无线胶订、线订和钢丝订，按质量及外观要求不同，又分为精装、平装和骑马订。精装封皮坚固耐用、耐磨、长时期使用不会损害书籍，主要用于需要长期保存或使用时间较长的书籍，如经典著作、词典、手册等，工序多、生产速度较慢。平装应用最广，大部分书籍都采用平装。骑马订适合于不太厚的书刊，广泛用于期刊装订。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan3.纸容器加工主要指纸包装的模切、压痕、制盒等过程。Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan二、印后加工技术的发展趋势1、自动化2、高速化3、高精度4、环保化Departmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHanDepartmentofpackagingengineering,SYAUPost-pressFinishingTechniqueChunyangHan全自动高速水溶性覆膜机