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Product Design and Development
Published in Quamrul H. Mazumder, Introduction to Engineering, 2018
As the process of product development and design is conceived, products must meet a broad series of optimization requirements, generically denominated X. Design of various factors, such as manufacture, assembly, and environment, is defined as DfX and aims to optimize design, manufacture, and support, through the effective feedback of the Xs within the design domain knowledge. In order to incorporate it during the design stages, X in DfX stands for manufacturability, inspectability, recyclability, and so on. These words are made up of two parts: life-cycle business process (x) and performance measures (bility), that is, X=x + bility. For example, x=total and bility=quality in design for total quality; x=whole life and bility=costs in design for whole – life costs; x=assembly and bility=cost in design for assembly cost, and so on. On the other hand, design in DfX is interpreted as concurrent design of products and associated processes and systems.
Special Mention Tools and Methodologies
Published in H. James Harrington, Sid Ahmed Benraouane, Managing Innovative Projects and Programs, 2023
H. James Harrington, Sid Ahmed Benraouane
Design for X (DFX) is both a philosophy and methodology that can help organizations change the way that they manage product development and become more competitive. DFX is defined as a knowledge-based approach for designing products to have as many desirable characteristics as possible. The desirable characteristics include quality, reliability, serviceability, safety, user friendliness, etc. This approach goes beyond the traditional quality aspects of function, features, and appearance of the item.
Design for X
Published in Ali Jamnia, Introduction to Product Design and Development for Engineers, 2018
In a way, the term Design for X (abbreviated as DfX) stands for a concurrent engineering mindset, where the design team has recognized that product design is greater than the sum of its elements. “X” may stand for manufacturing, assembly, service, and reliability, and, at times, other concerns such as cost, environment, or international markets. Some even say “X” stands for excellence.
Exploring the challenges of implementing design for excellence in industrialized construction projects in China
Published in Building Research & Information, 2023
Ibrahim Yahaya Wuni, Zezhou Wu, Geoffrey Qiping Shen
This paper treats DfX as an integrated design methodology that provides a more holistic approach to IC project design that considers lifecycle performance. Specifically, DfX is a proactive purpose-driven design methodology, leveraging rules, standards, and guidelines to control and improve specific aspects of project performance requirements during the design stage. It is a cohesive goal-oriented design process that provides a standard philosophy, methods, and tools to optimize the design (Kuo et al., 2001). DfX serves as a placeholder for different design objectives and performance aspects (Becker & Wits, 2013). Strictly, the DfX concept is better understood as design for ‘X,’ where the variable X denotes several areas of design focus and interchangeable with one of many values depending on the design’s objectives. The variable X may denote excellence in any aspect of the project design goal, including manufacturability (i.e. fabrication-aware design), assemblability, productivity, cost, sustainability, flexibility, maintainability, and circularity (Lu et al., 2020). Examples of DfX methods for IC projects include the design for: technical merit, productivity, health and safety (i.e. Prevention-through-design), resilience, lean construction, circular economy, climate change, adaptability, flexibility, reconfiguration, deconstruction, procurement, and supply chain. These concepts embody specific design objectives and performance aspects of IC projects.