Product complexity and design of inspection strategies for assembly manufacturing processes

Gianfranco Genta, Maurizio Galetto and Fiorenzo Franceschini

International Journal of Production Research, 2018, vol. 56, issue 11, 4056-4066

Abstract: In the manufacturing field, the assembly process heavily affects product final quality and cost. Specific studies, concerning the causes of the assembly defects, showed that operator errors account for high percentage of the total defects. Also, models linking the assembly complexity with the operator-induced defect rate were developed. Basing on these models, the present paper proposes a new paradigm for designing inspection strategies in case of short-run productions, for which traditional approaches may not be carried out. Specifically, defect generation models are developed to get a priori predictions of the probability of occurrence of defects, which are useful for designing effective inspection procedures. The proposed methodology is applied to a case study concerning the assembly of mechanical components in the manufacturing of hardness testing machines.

Date: 2018
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DOI: 10.1080/00207543.2018.1430907

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