Product complexity and design of inspection strategies for assembly manufacturing processes
针对短周期生产中传统检验方法难以实施的问题，基于装配复杂度与操作者缺陷率的关联模型，提出一种利用缺陷生成模型预先预测缺陷概率来设计有效检验策略的新方法，并通过硬度测试机装配案例验证。
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.