Quality Deviation Analysis of a Multistage Machining Process

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.

• Periodical: Advanced Materials Research (Volumes 926-930)
• Pages: 814-817
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.926-930.814
• Online since: May 2014
• Authors: Xiong Fei Huang*, Fang Zhu, Bao Yu Ye
• Keywords: Fault Analysis, Machining Process, Machining Variation, Product Quality Control

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