Mass customization draws a twofold benefit: cost reduction, inherited from mass production techniques, and good response to customer requirements, inherited from customization. Two main decisions, relevant to design and manufacturing, are required for the proper implementation of mass customization. First, product features should be split between standard and customizable ones. This will position the product differentiation points. Second, processes should be split between make-to-stock and make-to-order. This will position the customer-order decoupling point. Most often, these two decisions are made separately. In this article, the authors advocate that both decisions should be made simultaneously. They propose an integrated method for design for mass customization. It is based on simultaneously evaluating the impact of these two criteria on enterprise and customer value through the modeling and simulation of value networks. A real case study on Alpina footwear industries is simulated and analyzed. The computational results highlight the joint impact of the two decisions on the overall performance. These two levers should then be considered, simultaneously, when designing the mass customization strategy.
Optimized lightweight manufacturing of parts is crucial for automotive and aeronautical industries in order to stay competitive and to reduce costs and fuel consumption. Hence, aluminum becomes an unquestionable material choice regarding these challenges. Nevertheless, using only virgin aluminum is not satisfactory because its extraction requires high use of energy and effort, and its manufacturing has high environmental impact. For these reasons, the use of recycled aluminum alloys is recommended considering their properties meet the expected technical and environmental added values. This requires complete reengineering of the classical life cycle of aluminum-based products and the collaboration practices in the global supply chain. The results from several interdependent disciplines all need to be taken into account for a global product/process optimization. Toward achieving this, a method for sustainability assessment integration into product life cycle management and a platform for life cycle simulation integrating environmental concerns are proposed in this paper. The platform may be used as a decision support system in the early product design phase by simulating the life cycle of a product (from material selection to production and recycling phases) and calculating its impact on the environment.
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