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Diagnosis of Multiple Fixture Faults in Machining Processes Using Designated Component Analysis

机译:使用指定成分分析法诊断加工过程中的多个夹具故障

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摘要

Fixture imperfections influence dimensional variation on machining processes. Therefore, a systematic method to isolate fixture faults will allow improvement in product quality. This paper presents a diagnosis methodology to identify root causes of fixture-induced workpiece variation in machining. The methodology is based on designated component analysis, which extracts predefined variation patterns from the production data. The methodology integrates online measurement data, part geometry, fixture layout, and sensor layout in detecting multiple fixture faults occurring simultaneously. An application of the proposed method is presented through a computer simulation.
机译:夹具缺陷会影响加工过程中的尺寸变化。因此,一种隔离夹具故障的系统方法可以提高产品质量。本文提出了一种诊断方法,用于识别加工中夹具引起的工件变化的根本原因。该方法基于指定的成分分析,该成分分析从生产数据中提取预定义的变化模式。该方法集成了在线测量数据,零件几何形状,夹具布局和传感器布局,以检测同时发生的多个夹具故障。通过计算机仿真,提出了该方法的应用。

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