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Scalability of Conventional Tube Hydroforming Processes from Macro to Micro/Meso

机译：从宏到Micro / Meso的常规管液压成形过程的可扩展性

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Though in its infancy, the field of micro tube hydroforming has had recent advancements that make it possible to consider scaling it to the production level. This will require the designers of future micro tube hydroforming process to determine which method of hydroforming will be right for their particular application. This paper seeks to ease this process by providing a mathematical model which can be used to determine the feasibility of using a conventional, tapered style punch to perform the axial feeding in the hydroforming operation. The model considers the punch as a thick walled pressure vessel and uses the punch geometry and process specific parameters as inputs to determine the maximum von mises stress in the punch. The model was found to have an error of 8-12% when compared to finite element simulations, making the model a good resource for designers who intend to use hydroforming for their particular needs.
机译：虽然在其初期，但微管液滴领域的最近的进步使得可以考虑将其扩展到生产水平。这将需要未来的微管液压成型工艺的设计者，以确定哪种液压成形方法是正确的申请。本文旨在通过提供一种数学模型来缓解该过程，该数学模型可用于确定使用传统的锥形风格冲头以在液压成形操作中执行轴向进料的可行性。该模型将打孔作为厚壁压力容器，并使用冲压几何形状和处理特定参数作为输入，以确定打孔中的最大von误判压力的压力。与有限元模拟相比，该模型有8-12％的误差，使该模型适用于打算为其特定需求使用液压成形的设计师提供良好的资源。

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