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颠覆认知！软包裝印刷，膠印竟比凹印柔印更划算？
2025-02-11 13:29:14.0 来源：全球印刷与包裝工业 文/普瑞汀 责编：张晓丹
最适合卷筒纸膠印機的應用有哪些?柔印和凹印在哪些方面仍然是更合适的技術?
每种印刷技術，包括柔印和凹印，都有其独特的优势和局限性:凹印长印刷厚涂层和特殊效果，如金属质感，通常适用于超长版的印刷;柔印则在印刷不透明涂层和上光方面表现出色，但印版成本较高，因此更适合中长版的印刷。
为了兼顾不同印刷技術的优势，并满足市场对灵活性和多样性的需求，越来越多的印刷企业开始将多种印刷技術集成到一个统一的生产系统中。这种混合印刷模式不仅能够提供设计和效果上的灵活度，而且通过引入膠印技術，显著降低了制版成本，同时保证了精细图像的印刷质量。
膠印要成为可行的替代方案，需要克服哪些障碍?
承印物并不是膠印技術的限制因素。膠印可以印刷柔印和凹印能够印刷的任何材料，无论是材料的特性还是厚度。阻碍膠印技術推广的主要原因有两个:一是人们对膠印工艺“的误解。很多人认为膠印比现有的柔印和凹印工艺更简单，这是一种先入为主的观念。二是卷筒纸膠印設備的初始投资较高，相比于柔印和凹印机，其成本投入更大。然而，卷纸膠印的投资回报率相对较快，而且在折叠纸盒和瓦楞纸预印等领域，卷筒纸膠印系统的利润潜力甚至高于单张纸膠印。
高斯的Vpak印刷机能够处理薄至9微米的薄膜和铝箔，并通过扩展色域技術实现高达98%的潘通色域覆盖，无需使用专用的PMS油墨，从而节省了转换成本。同时，Vpak印刷机还具有出色的图像质量，可实现150线/厘米的精细网点，并支持随机/FM网点。
此外，Vpak印刷机还提供了丰富的后加工选项和灵活的配置方案，包括柔印、套筒等，能够快速满足短、中、长期的印刷需求。通过将柔印、凹印和数字印刷单元集成到Vpak系统中，形成混合生产线，Vpak系统可以提供最佳的生产效率、灵活性，满足各种印刷應用的需求。
虽然没有放之四海皆准的解决方案，但轮转膠印作为一种组合印刷系统的理想基础，具有诸多优势。它不仅能够以较低的成本实现图像的快速更改，还能提供高质量的印刷效果。此外，轮转膠印还可轻松集成柔印、凹印或数字印刷单元，将各工艺的优点有机结合。
考虑到可持续发展的重要性，轮转膠印高效、连续目精简的生产流程有助于减少材料浪费，并降低挥发性有机化合物(VOC)的排放，而柔印和凹印则能为加工商提供更大的灵活性和控制力，使其能够满足客户更晚的稿件截止日期。
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