Affiliation:
1. Naval Marine Academy
2. Guangzhou Civil Aviation College
Abstract
In a multistage machining process, due to the variation accumulation and interaction between different machining stages, variation analysis and diagnosis for quality-related problems become complicated. In this paper, a fault analysis and prediction method is proposed for connecting engineering design with the activities of process variation sources modeling, dimensional variation analysis, and statistical estimate of variations source. Furthermore, a hypothesis testing method is introduced to determine whether each of potential process faults exists in terms of the statistical significance. At last, an experimental study is provided to illustrate the validity and the significance of the proposed methodology.
Publisher
Trans Tech Publications, Ltd.
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