Computer-aided design model parameterisation to derive knowledge useful for manufacturing design decisions

Robinson, Trevor; Friel, Imelda; Armstrong, Cecil; Murphy, Adrian; Butterfield, Joseph; Price, Mark; Marzano, Adelaide

doi:10.1177/0954405417708218

Cited by 9 publications

(4 citation statements)

References 21 publications

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“…The commercial software tools identified during the review concern both design tools and simulations tools (i.e., DFMA ® Boothroyd Dewhurst Software, Tecnomatix Dynamo, and Flexible Line Balancing Software). In other cases, the analysis was performed retrieving information from CAD tool, but no information was provided regarding the DFMA software used [53,54]. Moreover, it is interesting to analyse the use of tools versus the type of publication.…”

Section: Tools Used To Support Dfma Methodsmentioning

confidence: 99%

Design for manufacturing and assembly methods in the product development process of mechanical products: a systematic literature review

Formentini

Rodríguez

Favi

2022

Int J Adv Manuf Technol

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The design for manufacturing and assembly (DFMA) is a family of methods belonging to the design for X (DfX) category which goal is to optimize the manufacturing and assembly phase of products. DFMA methods have been developed at the beginning of the 1980s and widely used in both academia and industries since then. However, to the best of the authors’ knowledge, no systematic literature reviews or mapping has been proposed yet in the field of mechanical design. The goal of this paper is to provide a systematic review of DFMA methods applied to mechanical and electro-mechanical products with the aim to collect, analyse, and summarize the knowledge acquired until today and identify future research areas. The paper provides an overview of the DFMA topic in the last four decades (i.e., from 1980 to 2021) emphasizing operational perspectives such as the design phase in which methods are used, the type of products analysed, the adoption of quantitative or qualitative metrics, the tool adopted for the assessment, and the technologies involved. As a result, the paper addresses several aspects associated with the DFMA and different outcomes retrieved by the literature review have been highlighted. The first one concerns the fact that most of the DFMA methods have been used to analyse simple products made of few components (i.e., easy to manage with a short lead-time). Another important result is the lack of valuable DFMA methods applicable at early design phases (i.e., conceptual design) when information is not detailed and presents more qualitative than quantitative data. Both results lead to the evidence that the definition of a general DFMA method and metric adaptable for every type of product and/or design phase is a challenging goal that presents several issues. Finally, a bibliographic map was developed as a suitable tool to visualize results and identify future research trends on this topic. From the bibliometric analysis, it has been shown that the overall interest in DFMA methodologies decreased in the last decade.

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Section: Tools Used To Support Dfma Methodsmentioning

confidence: 99%

Design for manufacturing and assembly methods in the product development process of mechanical products: a systematic literature review

Formentini

Rodríguez

Favi

2022

Int J Adv Manuf Technol

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“…Although the relationships related to part sizes and positions work well when modifying an assemblage of parts, a problem arises when attempting to create multiple versions of the same part(s), for example, nominal, LMC and MMC forms. Using parameters of the nominal part that control and create the variational geometries will only allow the existence of one condition at a time and although these parameters can be identified for control [33] they may not necessarily be suitable to change the shape of the part as would be seen in reality [34,35]. CAD systems use a very specific naming convention from the boundary representation (B-Rep) name of geometric elements to the names of bodies and shape features and ultimately the names and numbers of parts and products in an assembly.…”

Section: Methodology Developmentmentioning

confidence: 99%

Tolerance aware product development using an enriched hybrid digital mock up

Friel

Butterfield

Robinson

et al. 2020

CIRP Journal of Manufacturing Science and Technology

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Current practice in three-dimensional (3D) part construction and product assembly within a digital mock-up (DMU) is based on the nominal sizing of geometry. This approach does not reflect real part dimensions when they are manufactured or the assembly conditions as they come together during the final build. The value of virtual assembly planning (VAP) using clash and gap detection is therefore limited to modelling error identification within the computer-aided design (CAD) domain for nominal conditions only. VAP could become a significantly more powerful tool if the 3D representation of components within the DMU were more representative of 'as manufactured' dimensions. This paper presents the evolution and validation of an enriched DMU (EDMU) introducing the concept of the hybrid assembly which represents components in sizes which can range between upper and lower dimensional limits in addition to the nominally defined form. The resulting capability has been exploited to enable a designer to perform tolerance analysis in the CAD domain in advance of manufacturing planning, allowing tolerance consideration earlier in the design process as the DMU evolves. This has the potential to reduce the time, effort and computational load associated with the application of statistical tolerance analysis by methods engineers later in the product development cycle when the costs associated with change are higher.

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“…The usage of DfA for AM with an emphasis on component decomposition, assemblybased re-design for AM, the decrease of assembly reorientation, and the number of parts through the development of an automatic DfA approach [46]. Robinson et al [47] parameterized a DfA/DfM-based model. Using DfA and other design methodologies, El-Nounu et al [39] redesigned a mechanical assembly using DfA.…”

Section: Concept Of Dfmamentioning

confidence: 99%

Design for Manufacture and Assembly (DfMA) of Digital Fabrication (Dfab) and Additive Manufacturing (AM) in Construction: A Review

Tuvayanond¹,

Prasittisopin²

2023

Preprint

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Design for Manufacture and Assembly (DfMA) in architectural, engineering, and construction (AEC) industry is attracting the attention of designers, practitioners, and construction project stakeholders. Digital fabrication (Dfab) and design for additive manufacturing (DfAM) practices are found in current needs for further research and development. The DfMA's conceptual function is to maximize the process efficiency of Dfab and AM building projects. This work reviewed 171 relevant research articles over the past few decades. The concept of DfMA and the fundamentals of DfMA in building and construction were explored. In addition, DfMA procedures associated with Dfab and DfAM, as well as its AM assembly process, were discussed. Lastly, the current machine learning research on DfMA in construction was also highlighted. Large research gaps in the DfMA for Dfab and DfAM can be filled to increase operational efficiency and sustainable practices.

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Computer-aided design model parameterisation to derive knowledge useful for manufacturing design decisions

Abstract: . (2018). Compteraided design model parameterisation to derive knowledge useful for manufacturing design decisions.

Cited by 9 publications

References 21 publications

Design for manufacturing and assembly methods in the product development process of mechanical products: a systematic literature review

Design for manufacturing and assembly methods in the product development process of mechanical products: a systematic literature review

Tolerance aware product development using an enriched hybrid digital mock up

Design for Manufacture and Assembly (DfMA) of Digital Fabrication (Dfab) and Additive Manufacturing (AM) in Construction: A Review

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