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Hybrid Process Chain for the Integration of Direct Ink Writing and Polymer Injection Molding

机译:混合工艺链用于直接墨水书写和聚合物注射成型的集成

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摘要

The integration of additive manufacturing direct-writing technologies with injection molding provides a novel method to combine functional features into plastic products, and could enable mass-manufacturing of custom-molded plastic parts. In this work, direct-write technology is used to deposit conductive ink traces on the surface of an injection mold. After curing on the mold surface, the printed trace is transferred into the plastic part by exploiting the high temperature and pressure of a thermoplastic polymer melt flow. The transfer of the traces is controlled by interlocking with the polymer system, which creates strong plastic/ink interfacial bonding. The hybrid process chain uses designed mold/ink surface interactions to manufacture stable ink/polymer interfaces. Here, the process chain is proposed and validated through systematic interfacial analysis including feature fidelity, mechanical properties, adhesion, mold topography, surface energy, and hot polymer contact angle.
机译:增材制造直接书写技术与注塑成型的集成提供了一种将功能部件组合到塑料产品中的新颖方法,并且可以实现定制成型塑料零件的批量生产。在这项工作中,使用直接写入技术将导电墨水迹线沉积在注塑模具的表面上。在模具表面上固化后,通过利用热塑性聚合物熔体流的高温和高压,将印刷的迹线转移到塑料部件中。痕迹的转移是通过与聚合物系统联锁来控制的,从而形成牢固的塑料/油墨界面结合。混合工艺链使用设计的模具/油墨表面相互作用来制造稳定的油墨/聚合物界面。在此,通过系统的界面分析(包括特征保真度,机械性能,附着力,模具形貌,表面能和热聚合物接触角)提出并验证了工艺链。

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