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Critical Components Evaluation in Manufacturing-To-Order Processes

机译:按订单制造过程中的关键组件评估

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In this paper we address the evaluation of the criticality of important components in Manufacturing-To-Order and Assembly-To-Order processes, where the management of the inventory is a critical problem, especially very expensive ones. In these situations, if an item is purchased only when needed for a specific order, the delivery time could cause the delay of the entire production process. In addition, these manufacturing environments are often a ff ected by uncertainty, caused by the execution of several activities by human operators, and by the intrinsic complexity of the process (especially in assembly processes). In this background, we provide a method to evaluate the criticality level of each important component in an assembly process exploiting the AoA project network formalization. In particular we put the focus on the coordination between the scheduled arrive of an element from the supplier, and the actual needed of the component in the assembly process. To this aim we develop a method taking into consideration two di ff erent criticality indexes. The approach is validate in a real manufacturing case.
机译:在本文中,我们解决了按订单制造和按订单组装过程中重要组件的关键性评估,其中库存管理是一个关键问题,尤其是非常昂贵的问题。在这些情况下,如果仅在特定订单需要时才购买商品,则交货时间可能会导致整个生产过程的延迟。另外,这些制造环境通常受到不确定性的影响,不确定性是由操作员执行多项活动以及过程的固有复杂性(特别是在组装过程中)引起的。在这种背景下,我们提供了一种利用AoA项目网络形式化来评估装配过程中每个重要组件的关键程度的方法。特别是,我们将重点放在供应商提供的元素的预定到达与组装过程中组件的实际需求之间的协调上。为此,我们开发了一种方法,该方法考虑了两个不同的关键性指标。该方法在实际的制造案例中得到验证。

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