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Development of sandwich structures for lightweight construction

机译：开发用于轻型建筑的三明治结构

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摘要

In their beginnings, spacer preforms were manufactured from glass fiber/polypropylene (GF-PP) measuring 900 × 900 × 30 mm. Later, procedures were developed to assemble these single spacer preforms into macro-structures. The robot-assisted, one-side sewing technique allowed the parallel and vertical arrangement of these single structures and also the adjustment at angles. Thus large complex structures can be fabricated. Programs for the automatic integration of inserts have been developed for CNC-con-trolled sewing machines and sewing techniques have been tested. To continue this research, it is necessary to develop and test textile sewn free-form surfaces, which are used in vehicle front modules for example, taking thereby account of process safety, quality assurance and repro-ducibility.
机译：在开始时，垫片预型件是由玻璃纤维/聚丙烯（GF-PP）制成，尺寸为900×900×30 mm。后来，开发了将这些单个垫片预型件组装成宏观结构的程序。机器人辅助的单边缝制技术允许这些单个结构的平行和垂直排列以及角度调整。因此，可以制造大型的复杂结构。已经为数控控制的缝纫机开发了用于插件自动整合的程序，并测试了缝纫技术。为了继续进行这项研究，有必要开发和测试纺织品缝制的自由形态表面，例如，将其用于车辆前模块，同时考虑到过程安全性，质量保证和可重复性。

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