An Interactive Manufacturability Analysis and Tolerance Allocation Tool for Additive Manufacturing

Hannah D. Budinoff, Sara McMains, A. Rinaldi
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引用次数: 4

Abstract

Geometric tolerances for new products are sometimes assigned without specific knowledge of the cost or feasibility of manufacturing them to the assigned tolerances, which can significantly drive up production costs and lead to delays and design revisions. We present an interactive tool that quickly estimates the manufacturability of assigned tolerances for additive manufacturing and a compact visualization to present this information to the designer. The designer can use the system to explore feasible build orientations and then adjust specified tolerance limits if all tolerances are not simultaneously achievable at a single orientation. After the designer is satisfied that the range of feasible orientations has been fully explored, a physical programming approach is used to identify a single orientation to best satisfy the designer’s preferences. The calculation and visualization of the results is done in real-time, enabling quick iteration. A test case is presented to illustrate the use of the tool.
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一种面向增材制造的可制造性分析与公差分配工具
新产品的几何公差有时是在不了解成本或制造可行性的情况下分配给指定公差的,这可能会大大提高生产成本,并导致延迟和设计修改。我们提出了一个交互式工具,可以快速估计增材制造指定公差的可制造性,并提供了一个紧凑的可视化工具,将这些信息呈现给设计师。设计师可以使用系统来探索可行的建筑方向,然后调整指定的公差限制,如果所有的公差不能同时在一个方向上实现。当设计师对可行的朝向范围已经被充分探索后,使用物理规划方法来确定最能满足设计师偏好的单个朝向。计算和结果的可视化是实时完成的,可以快速迭代。给出了一个测试用例来说明该工具的使用。
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