Visual quality and sustainability considerations in tolerance optimization: A market-based approach

Hoffenson, Steven; Dagman, Andreas; Söderberg, Rikard

doi:10.1016/j.ijpe.2015.06.023

Cited by 21 publications

(14 citation statements)

References 28 publications

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“…Estes atributos tornam-no muito popular na modelagem de sistemas de manufatura para um produto que ainda não existe, para mudanças de layout, novas plantas, etc [21], [20]. Com as informações de dados precisas, a simulação pode ser utilizada para maximizar lucros [22].…”

Section: Integradoraunclassified

Simulação Computacional do Fluxo de Valor: uma proposta de Integração da Indústria 4.0 e Lean Production

Gaziero¹,

Cecconello²

2019

SCI

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Normalmente, o primeiro passo para a implantação de um sistema Lean Prodution é o Mapeamento do Fluxo de Valor (VSM). O objetivo deste trabalho consiste na integração da Indústria 4.0 e Lean Production operacionalizada pelas técnicas de mapeamento de Fluxo de Valor aliados a Simulação Computacional. Para tanto, foi desenvolvido e validado um método para integrar estas duas ferramentas. A Simulação consiste em uma das ferramentas da Indústria 4.0, que proporciona uma informação mais precisa e mais ágil. Isso é fundamental na indústria do Século XXI. Por meio da abordagem do Lean Production foi possível verificar os problemas do estado atual e buscar corrigi-los, simulando um cenário em um estado futuro, podendo se comparar os resultados. As etapas produtivas simuladas, utilizadas como objeto de estudo, foram processos de pintura de móveis de madeira e MDF, visto que era o gargalo da indústria analisada. Após a Simulação, o cenário proposto apresentou uma melhora de 19% na produtividade, além de melhorias em na agregação de valor e utilização dos recursos. A aplicação do VSM aliado a Simulação proporciona ter maior assertividade no mapa atual, uma vez que a Simulação permite que sejam verificados indicadores para um grande período de tempo, enquanto o VSM somente traz dados para um instante de tempo, além disso, a Simulação permite testar alternativas e cenários futuros antes de implementá-los. Palavras-chave Indústria 4.0, Lean Production, Mapeamento do fluxo de valor, Simulação.

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Section: Integradoraunclassified

Simulação Computacional do Fluxo de Valor: uma proposta de Integração da Indústria 4.0 e Lean Production

Gaziero¹,

Cecconello²

2019

SCI

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“…Refined versions of discrete choice surveys have been increasingly used in perceived quality studies; e.g. Hoffenson et al (2015) have discussed the use of a choice based conjoint survey technique to study the customer preference in relation to a mix of attributes including build quality (in relation to geometric tolerances), price and sustainability in a global study. Johnson et al (2013) have presented a comprehensive review and recommendations for good practice for the experimental design of discretechoice experiments, with comprehensive examples from health.…”

Section: Critical Analysis Of Related Literaturementioning

confidence: 99%

“…Given the geometrical complexity of the automotive body structures, designed to meet both aesthetics as well as functional requirements such as safety and aerodynamics, the achieved gap is the result of complex tolerance chains. Several recent studies have discussed the relationship between tolerancing and dimensional variability in split lines and perceived quality (Hoffenson et al, 2015;Stylidis et al, 2017). From an automotive product development point of view, setting up targets for split lines early in product design is desirable, as this will enable a consistent approach to geometric design and tolerancing, as well as tool development to ensure that the gap targets are robustly achieved.…”

Section: Introductionmentioning

confidence: 99%

Development of a Methodology for Robust Evaluation of Perceived Quality of Vehicle Body Panel Gaps

Duraiswamy¹,

Campean²,

Harris³

2018

Proceedings of the DESIGN 2018 15th International Design Conference

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This paper presents research into perceived quality of vehicle body split lines / gaps. The survey based methodology combined direct attribute evaluation and choice experiments with multiple test cases, based on static images generated from parametric CAD virtual prototypes of a specific vehicle. The study systematically tested for perception without and with awareness and the Hawthorne bias, showing significant effects. Statistical analysis provided clear evidence of the user preference for smaller gap size, and as such supports target and tolerance setting for the body gap.

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“…According to Hoffenson et al [27], designers typically judge how much variation in the product dimensions should be allowed while still maintaining a perception of high quality. This is however rarely based on a quantitative understanding of how consumers actually perceive variation and quality.…”

Section: Design and Analysismentioning

confidence: 99%

Improved productivity by reduced variation in gas metal arc welding (GMAW)

Öberg

Åstrand

2017

Int J Adv Manuf Technol

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The purpose of the research conducted is to describe the consequences of variation in the welding industry and the effect it has on manufacturing productivity. The potential has shown to be hidden in unnecessarily stringent requirements and over-processing. This has been studied in steps: customer requirements, design and analysis, preparation, welding, and assessment. The effect of variation in each step has been analyzed including estimations of its productivity improvement potential. Theoretically, in a perfect situation, with customized requirements and eliminated variation, more than half of all welding could be removed. Such a reduction is certainly neither practical nor possible. However, a sensible, controlled reduction could still have a very high impact. The financial implications are therefore substantial. The improved productivity of the manufacturing resources could be used for business development and increased production. To be able to realize the potential, interdisciplinary efforts are necessary. Management across different functions need to agree on the intended product life and make decisions thereafter.

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Visual quality and sustainability considerations in tolerance optimization: A market-based approach

Cited by 21 publications

References 28 publications

Simulação Computacional do Fluxo de Valor: uma proposta de Integração da Indústria 4.0 e Lean Production

Simulação Computacional do Fluxo de Valor: uma proposta de Integração da Indústria 4.0 e Lean Production

Development of a Methodology for Robust Evaluation of Perceived Quality of Vehicle Body Panel Gaps

Improved productivity by reduced variation in gas metal arc welding (GMAW)

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