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Soft tooling process chain for the manufacturing of micro-functional features on molds used for molding of paper bottles
Journal of Manufacturing Processes ( IF 6.2 ) Pub Date : 2020-03-09 , DOI: 10.1016/j.jmapro.2020.03.008
Prateek Saxena , Giuliano Bissacco , Kenneth Ælkær Meinert , Anna Halina Danielak , Macarena Méndez Ribó , David Bue Pedersen

Paper-based packaging products, due to their excellent sustainable properties are preferred over the glass, plastic, and metal-based packaging solutions. The paper bottle molding process is very new in this category, and the tooling aspect is not well explored. Existing tooling solutions offer certain limitations in the molding process such as clogging of channels, low open-area fraction, low fatigue life, and longer cycle times. With the utilization of additive manufacturing techniques, the tooling can not only be made more economical and produced in shorter time duration but also more efficient. VAT photopolymerization based soft tooling process chain is highlighted and discussed in this work. Design of micro-features and their fabrication is carried out using UV light mask projection method. A characterization approach for precision manufacturing of micro-features using X-ray Computed Tomography is also discussed. Validation of the soft tooling process chain and its effectiveness against the conventional tools is presented and discussed in this work. It is shown that the proposed soft tooling process chain for the manufacturing of molds for paper bottle production is a better performing and cheaper alternative to existing solutions implemented in industry.



中文翻译:

用于在纸瓶成型模具上制造微细特征的软加工工艺链

纸基包装产品因其优异的可持续性而优于玻璃,塑料和金属基包装解决方案。纸瓶成型工艺在这一类别中是非常新的,并且在工具方面还没有得到很好的探索。现有的工具解决方案在模制过程中提供了某些限制,例如通道的堵塞,低开口率,低疲劳寿命和更长的循环时间。利用增材制造技术,不仅可以使模具更经济,生产时间更短,而且效率更高。在这项工作中重点介绍了基于增值税光聚合的软加工工艺链。微特征的设计及其制造是使用紫外光掩模投影法进行的。还讨论了使用X射线计算机断层扫描技术精确制造微特征的表征方法。这项工作介绍并讨论了软加工过程链的验证及其相对于传统工具的有效性。结果表明,所提出的用于制造纸瓶生产模具的软加工工艺链是一种性能更好,成本更低的替代品,可替代工业中现有的解决方案。

更新日期:2020-03-09
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