Product Life-oriented Development of Component Commonality and Variety

To reach many customers and have a broad range of products at marketable prices companies aim for high commonality across product variants. Commonality is known as the sharing of components by product variants. But using the same components for different product variants can also lead to trade-offs in product function and fulfillment of customer requirements as well as in internal processes. The aim of this paper is to investigate by literature review and a case study on forklift trucks how benefits and trade-offs can be balanced according to corporate needs. Existing tools from the Integrated PKT-Approach for Developing Modular Product Families are applied and advanced in the case study. Practical examples demonstrate that commonality is a gradual property that can be given to variant components as well and that it is influenced by the modular structure and how components are handled as modules in different life phases. New product concepts with enhanced commonality are derived and evaluated by estimating the created lot size caused and code number caused costs.Copyright © 2013 by ASME

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