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Using physical interfaces for product design: from design to assembly planning
KTH, School of Industrial Engineering and Management (ITM), Production engineering, Industrial Production Systems.ORCID iD: 0000-0003-3465-3467
KTH, School of Industrial Engineering and Management (ITM), Production engineering, Industrial Production Systems.ORCID iD: 0000-0002-0723-1712
2023 (English)In: Procedia CIRP, 56th CIRP International Conference on Manufacturing Systems, CIRP CMS 2023, Elsevier BV , 2023, p. 1303-1308Conference paper, Published paper (Refereed)
Abstract [en]

Mass customization demands a wide range of product variants being provided by the manufacturer in a short time. To respond to that, companies embrace approaches such as product platforms and modularization. This impacts the product development process (PDP), especially at the design stage. A major concern is the definition of component and system interfaces since these become essential inputs for later stages. Yet, a suitable method to describe the interfaces, represent them, and share them within a product model is still elusive. Since the information enclosed in the interface is multi-faceted, ranging from geometry to function or kinematics, it can be adjusted or enriched in every stage of product development. Then, it is crucial to understand how this information can support product preparation and planning, as well as how it can be reused in product design or redesign. Thus, this work aims to assess the extent to which these factors were considered in the assembly domain. The study started by presenting current practices on representing the interfaces in the product design and continued by exploring how the information on the interfaces can be used for assembly planning. Subsequently, it proposed a way to represent the knowledge enclosed in the interface and concluded by explaining how this knowledge can be exploited by different stakeholders to improve the process planning and the overall assembly system. A case study shows the application of the proposed approach. Overall, the results showed the benefits of a better representation of interfaces in product design, specifically for the assembly domain, aiming to contribute to defining a strategy for knowledge reuse in manufacturing.

Place, publisher, year, edition, pages
Elsevier BV , 2023. p. 1303-1308
Keywords [en]
assembly, information model, interface, knowledge reuse, process planning
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:kth:diva-343754DOI: 10.1016/j.procir.2023.09.167Scopus ID: 2-s2.0-85184611468OAI: oai:DiVA.org:kth-343754DiVA, id: diva2:1839949
Conference
56th CIRP International Conference on Manufacturing Systems, CIRP CMS 2023, Oct 24 2023 - Oct 26 2023, Cape Town, South Africa
Note

QC 20240228

Available from: 2024-02-22 Created: 2024-02-22 Last updated: 2025-02-27Bibliographically approved
In thesis
1. Assembly features in collaborative product development: Integrating assembly into product information to enhance stakeholder communication
Open this publication in new window or tab >>Assembly features in collaborative product development: Integrating assembly into product information to enhance stakeholder communication
2025 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Digital product development that combines diverse expertise can strengthen the ability to create products that meet customer demands in a commercially viable way. In the early stages of this process, user requirements are translated into technical specifications that define a feasible product concept. Therefore, concept detailing in these stages is essential for manufacturing, as they impact process selection and resources required to manufacture the product.

Given the high proportion of assembled products, assembly becomes an important manufacturing process to study, especially in terms of deriving and propagating product characteristics relevant to this process throughout product development.

One major research gap is the lack of a unified way to represent and distinguish product characteristics defined during design to facilitate assembly, which later serve as essential information for this process.

Multiple research efforts have addressed this issue by proposing various specialized information models for assembly, yet a suitable way to represent this information integrated with the product model is still missing.

This thesis addresses this issue focusing on handling activities for automated assembly by providing a threefold contribution: identifying a core concept to represent assembly information, proposing a way to incorporate assembly information within the product information model by leveraging an international standard, and gathering industry experts' insights to improve this approach for broad and quick adoption.

The outcome of this thesis facilitates the integration of stakeholder information early in product development while providing a space to capture design intent. It also streamlines the identification and subsequent extraction of product information that is decisive in designing dedicated specialized equipment, such as feeders, grippers, and fixtures. Thus, this thesis enables enhancement of communication between design and manufacturing and simultaneously bridges the product and resource life cycles.

Abstract [sv]

Digital produktutveckling som kombinerar expertkompetenser kan stärka förmågan att skapa produkter som möter kunders krav på ett kommersiellt gångbart sätt. I de tidiga faserna av denna process omsätts användarkrav till tekniska specifikationer som definierar ett genomförbart produktkoncept. Därför är konceptdetaljeringen i dessa faser avgörande för tillverkningen, eftersom de påverkar val av processer och de resurser som krävs för att tillverka produkten.

Givet den höga andelen monterande produkter blir montering en avgörande tillverkningsprocess att studera, särskilt när det gäller att härleda och fördela produktegenskaper relevanta för denna process genom hela produktutvecklingen.

Ett stort forskningsgap är avsaknaden av ett enhetligt sätt att representera och särskilja de produktegenskaper som definierats under konstruktion för att underlätta monteringen och som senare utgör väsentlig information för denna process.

Flera forskningsinsatser har fokuserat på detta problem genom att föreslagit olika specialiserade informationsmodeller för montering, men ett lämpligt sätt att representera denna information integrerat med produktmodellen saknas fortfarande.

Denna avhandling adresserar detta problem genom att fokusera på hantering vid automatiserad montering genom att ge ett tredelat bidrag: identifiera ett huvudkoncept för att representera monteringsinformation, föreslå ett sätt att integrera monteringsinformation inom produktinformationsmodellen genom att utnyttja en internationell standard, och samla insikter från experter i industrin för att förbättra denna metod för ett brett och snabbt införande.

Resultatet av denna avhandling underlättar integrationen av intressenters information tidigt i produktutvecklingen samtidigt som det ger ett utrymme för att fånga konstruktionens avsikt. Det effektiviserar också identifieringen och den efterföljande användningen av produktinformation som är avgörande för konstruktion av specialiserad utrustning, såsom matare, gripare och hållare. På så sätt möjliggör denna avhandling förbättrad kommunikationen mellan konstruktion och tillverkning och skapar samtidigt en brygga mellan produktens och resursernas livscykler.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2025. p. 62
Series
TRITA-ITM-AVL ; 2025:1
Keywords
Assembly features, product development, information modelling, STEP AP242, Monteringsegenskaper, produktutveckling, informationsmodellering, STEP AP242
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Production Engineering
Identifiers
urn:nbn:se:kth:diva-360351 (URN)978-91-8106-201-4 (ISBN)
Public defence
2025-03-28, Sal Q2 / https://kth-se.zoom.us/j/61223482045, Malvinas väg 10, Stockholm, 09:00 (English)
Opponent
Supervisors
Funder
EU, Horizon 2020, 814078
Available from: 2025-02-27 Created: 2025-02-26 Last updated: 2025-03-07Bibliographically approved

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Rea Minango, NathalyMaffei, Antonio

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