Improving the thickness distribution of parts with hybrid thermoforming

IF 1.1 4区 工程技术 Q4 ENGINEERING, CHEMICAL
F. Duarte, Catarina G. Ribeiro, J. Ferreira, Sílvia A. Forte, J. Covas
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引用次数: 0

Abstract

Abstract With the aim of improving the thickness gradient of thermoformed parts, and thus increase their performance and/or reduce their weight, the concept of hybrid thermoforming is introduced, whereby local thickness differences in extruded sheets are created prior to thermoforming. Material is removed by CO2 ablation or 3D printing of an over-thickness at specific locations of sheets previously extruded. The feasibility and potential usefulness of the approach is explored experimentally for the production of a truncated conical cup, since this is a well-characterized application. The conventional thickness distributions obtained by conventional vacuum forming are significantly changed with the new strategy and can be tuned by adequately selecting the locations and amount of material do be removed and/or added.
采用混合热成形技术改善零件厚度分布
摘要为了改善热成形零件的厚度梯度,从而提高其性能和/或减轻其重量,引入了混合热成形的概念,即在热成形之前产生挤压板的局部厚度差异。材料通过CO2烧蚀或在先前挤压的板材的特定位置的超厚3D打印去除。可行性和潜在的有用性的方法是探索实验生产一个截锥形杯,因为这是一个很好的特点应用。传统真空成形的厚度分布在新策略下发生了显著变化,可以通过适当选择去除和/或添加材料的位置和数量来调整。
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来源期刊
International Polymer Processing
International Polymer Processing 工程技术-高分子科学
CiteScore
2.20
自引率
7.70%
发文量
62
审稿时长
6 months
期刊介绍: International Polymer Processing offers original research contributions, invited review papers and recent technological developments in processing thermoplastics, thermosets, elastomers and fibers as well as polymer reaction engineering. For more than 25 years International Polymer Processing, the journal of the Polymer Processing Society, provides strictly peer-reviewed, high-quality articles and rapid communications from the leading experts around the world.
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