目的 模切压痕质量直接影响包装硬盒成型的质量,通过实验研究包装模切工艺参数对模切压痕形态的影响,为控制包装硬盒成型质量提供理论参考。方法 选取2种包装用转移纸为实验材料,采用压痕试验仪进行模切压痕实验,通过测量压痕形态数据,分析底模槽宽度、刀具宽度对压痕深度和压痕宽度的影响。结果 不同纸张材质的压痕形态数据差异明显;压痕宽度与底模槽宽度呈正相关,压痕深度与底模槽宽度呈负相关,横向压痕的宽度和深度比纵向压痕的稍大;刀具宽度增加时,压痕宽度不一定增加;刀具宽度不会显著影响压痕深度。结论 压痕形态与纸张材质密切相关,需严格定义纸张来料检测标准,并严格控制来料批次间差异;压痕槽宽度的变化会显著影响压痕宽度,刀具宽度对压痕形态的影响较小,通过设定和调整压痕底模槽宽度、刀具宽度等参数取值,可有助于控制和优化包装硬盒模切压痕形态质量。
Abstract
The quality of die-cutting creasing directly impacts the forming quality of hard packaging boxes. The work aims to carry out experiments to study the effect of die-cutting process parameters on the creasing quality of hard packaging boxes, to provide theory reference for the forming quality control of hard packaging boxes. Two kinds of transfer paper widely used in packaging label printing were adopted as experimental materials and the die-cutting creasing experiment was conducted with the creasing tester. The creasing form data were measured to analyze the effect of bottom die groove width and indentation steel wire width on the creasing depth and width. The creasing form data of different paper were different. The creasing width correlated with the bottom die groove width positively, while the creasing depth correlated with the bottom die groove width negatively. The width and depth of the horizontal creasing were bigger than that of the longitudinal creasing. The creasing width did not increase with the increase of the indentation steel wire width. The indentation steel wire width did not affect the creasing depth significantly. It can be concluded that the creasing form correlates with the paper type. It is necessary to define paper test standards and control batch variation of paper. The change of bottom die groove width affects the creasing width remarkably, while the indentation steel wire width has little effect on the creasing form. The creasing quality of the hard packaging box can be controlled or optimized by setting or adjusting die-cutting process parameter values such as bottom die groove width, indentation steel wire width, etc.
关键词
底模槽宽度 /
刀具宽度 /
压痕深度 /
压痕宽度
Key words
bottom die groove width /
indentation steel wire width /
creasing depth /
creasing width
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