弄清机器和材料之间的相互影响,逐步找出变化因素你曾有过这样的疑问吗?当你使用的包装材料来自两个地方时,某些特性的变化会引起包装效率的明显不同。Pira(英国包装印刷造纸研究院)在为其成员单位服务中就遇到类似问题,就是要求对买来的两种相同规格并在生产线中呈现不同特性的包装材料进行检验。其结果或许是这 Understand the interaction between machines and materials, and gradually identify the factors that change Have you ever had such a doubt? When you use packaging materials from two places, some of the characteristics of the changes can cause significant differences in packaging efficiency. Pira (British Institute of Packaging, Printing and Paper) encountered a similar problem in servicing its member units by requiring the inspection of two packaging materials of the same specifications that were purchased and presented with different characteristics in the production line. The result may be this