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  • 1.
    Bengtsson, Marcus
    et al.
    Volvo Construction Equipment, Sweden; Mälardalen University, Sweden.
    Kurdve, Martin
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF. Mälardalen University, Sweden.
    Machining Equipment Life Cycle Costing Model with Dynamic Maintenance Cost2016In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 48, p. 102-107Article in journal (Refereed)
    Abstract [en]

    This paper presents how a Life cycle cost or Total cost of ownership analysis has been performed on machining equipment in a Swedish company. Life cycle cost models used in case studies are compared to an empirical model, used at the company, where dynamic energy, fluid, and maintenance cost are included. Linear and variable factors in the models are analyzed and discussed regarding data availability and estimation, especially with emphasis on maintenance. The life cycle cost aspect of the equipment give guidelines to consider operation, maintenance, tools, energy, and fluid cost in addition to acquisition cost, when designing/specifying the equipment.

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  • 2.
    Fast-Berglund, Åsa
    et al.
    Chalmers University of Technology, Sweden.
    Harlin, Ulrika
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF, Arbetsmiljö.
    Åkerman, Magnus
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production. Chalmers University of Technology, Sweden.
    Digitalisation of Meetings – From White-boards to Smart-boards2016In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 41, p. 1125-1130Article in journal (Refereed)
    Abstract [en]

    Information is a vital resource in development activities of any business. These systems also play a very important role in the knowledge sharing of an organisation. In order to properly bridge over from the information system to the organisation system, the transformation process from data, via information, to knowledge becomes important to understand. A challenge is to create appropriate conditions in both the organization system and in the information system enhancing knowledge sharing among employees, and promote organizational learning. This paper will analyse an industrial example of weekly planning meetings for preventative maintenance, this will be illustrated in the OS-M-IS model i.e. were the information sharing exist in a current situation (whiteboards). A future situation of the same case will be tested and evaluated in a lab environment (with SMART boards and iObeya) as a first step.

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  • 3.
    Grahn, Sten
    et al.
    RISE - Research Institutes of Sweden, Materials and Production, IVF. Mälardalen University, Sweden.
    Langbeck, Björn
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Johansen, Kerstin
    Linköping Universty, Sweden.
    Backman, Björn
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Potential Advantages Using Large Anthropomorphic Robots in Human-robot Collaborative, Hand Guided Assembly2016In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 44, p. 281-286Article in journal (Refereed)
    Abstract [en]

    Collaborative robot installations often mean man-machine workspace sharing. This mode of operation can lead to reductions of tact time and work space requirements. We have analyzed potential further benefits of man-machine collaboration, where operators and powerful robots share workspace, cooperating when lifting and handling large objects. We found that this mode of operation has the potential to generate economic advantages by reducing the need for manual operators and lifting tools and by offering new opportunities for component logistics.

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  • 4.
    Gunnarsdòttir, Soffía Arnþrúður
    et al.
    Chalmers University of Technology, Sweden.
    Rodriguez Basurto, Alejandro
    Chalmers University of Technology, Sweden.
    Wärrmefjord, Kristina
    Chalmers University of Technology, Sweden.
    Söderberg, Rikard
    Chalmers University of Technology, Sweden.
    Lindkvist, Lars
    Chalmers University of Technology, Sweden.
    Albinsson, Ola
    RISE - Research Institutes of Sweden, Materials and Production, IVF, Tillverkningsprocesser.
    Wandebäck, Fredrik
    RISE - Research Institutes of Sweden, Materials and Production, IVF, Tillverkningsprocesser.
    Hansson, Stefan
    Volvo Car Corporation, Sweden.
    Towards Simulation of Geometrical Effects of Laser Tempering of Boron Steel before Self-Pierce Riveting2016In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 44, p. 304-309Article in journal (Refereed)
    Abstract [en]

    The automotive industry is continuously developing and finding new ways to respond to the incremental demands of higher safety standards and lower environmental impact. As an answer to weight reduction of vehicles, the combination of boron steel and composite material is being developed along with their joining process, self-pierce riveting. Boron steel is an ultra-high strength material that needs to be locally softened before the joining process. However, the joining process deforms the part. This paper investigates factors affecting the geometrical deformation during the tempering process and lists important phenomena that need to be included when simulating the tempering process.

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  • 5.
    Gustafsson, Göran
    et al.
    Chalmers University of Technology, Sweden.
    Raudberget, Dag
    Chalmers University of Technology, Sweden.
    Ström, Mikael
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Unveiling Fundamental Relationships in Industrial Product Development2016In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 50, p. 204-209Article in journal (Refereed)
    Abstract [en]

    Identification and clarification of relationships between product properties is fundamentally important in industrial product development. The process is however frequently perceived difficult. The presented research aims at clarifying if a visual tool can provide help in this work. The tool is a combination of previously known techniques and has so far been implemented at two product developing companies. Results and reactions from the tests are hitherto positive and the conclusion is therefore that this extended casual diagram can be a useful addition to the product developer’s toolbox.

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  • 6.
    Holmberg, Jonas
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF.
    Rodri­guez Prieto, Juan Manuel
    Luleå University of Technology, Sweden.
    Berglund, Johan
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF.
    Sveboda, Ales
    Luleå University of Technology, Sweden.
    Jonsén, Pär
    Luleå University of Technology, Sweden.
    Experimental and PFEM-simulations of residual stresses from turning tests of a cylindrical Ti-6Al-4V shaft2018In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 71, p. 144-149Article in journal (Refereed)
    Abstract [en]

    Alloy Ti-6Al-4V is a frequently used material in aero space applications due the high strength and low weight. This material is however often considered as a difficult to machine alloy due to several material properties such as the inherent characteristics of high hot hardness and strength which is causing an increased deformation of the cutting tool during machining. The thermal properties also cause a low thermal diffusion from locally high temperatures in the cutting zone that allows for reaction to the tool material resulting in increased tool wear. Predicting the behavior of machining of this alloy is therefore essential when selecting machining tools or machining strategies. If the surface integrity is predicted, the influence of different machining parameters could be studied using Particle Finite Element (PFEM)-simulations. In this investigation the influence from cutting speed and feed during turning on the residual stresses has been measured using x-ray diffraction and compared to PFEM-simulations. The results showed that cutting speed and feed have great impact on the residual stress state. The measured cutting force showed a strong correlation especially to the cutting feed. The microstructure, observed in SEM, showed highly deformed grains at the surface from the impact of the turning operation and the full width half maximum from the XDR measurements distinguish a clear impact from different cutting speed and feed which differed most for the higher feed rate. The experimental measurements of the residual stresses and the PFEM simulations did however not correlate. The surface stresses as well as the sign of the residuals stresses differed which might be due to the material model used and the assumption of using a Coulomb friction model that might not represent the cutting conditions in the investigated case. © 2018 Elsevier B.V. All rights reserved.

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  • 7.
    Kurdve, Martin
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF. Chalmers University of Technology, Sweden.
    Digital assembly instruction system design with green lean perspective-Case study from building module industry2018In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 72, p. 762-767Article in journal (Refereed)
    Abstract [en]

    Manual "easy jobs" need to be efficient, standardised and quality assured to remain competitive against automated production. Digitalised work instructions offer an opportunity to support standardisation and quality assurance for manual work tasks in industry. Inspired by axiomatic design this study aims at selecting design of lean methods and equipment for digital assembly instructions and standardised work. Literature regarding standardised work and green lean production system is applied in a case study. Interviews, observations and green lean equipment design methods are used to conclude system requirements of a digital work instruction-system designed for assembly of modular buildings at Husmuttern AB. © 2018 The Authors.

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  • 8.
    Kurdve, Martin
    et al.
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    De Goey, Heleen
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Can Social Sustainability Values be Incorporated in a Product Service System for Temporary Public Building Modules?2017In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 64, p. 193-198Article in journal (Refereed)
    Abstract [en]

    The temporary constructions industry has cost efficiency and sustainability challenges that may require new innovative business models as well as product and processes. This paperaims to discuss how social sustainability services can be included in product service system (PSS)by investigating a case where employment is offered in distributed temporary building module manufacturing in the PSS context. The case has been evaluated against PSS literature. Recent reviews and literature on inclusion of social sustainability and PSS for buildings were used. It is concluded that the current concept fits basic definitions of PSS although it is not typical. The social value of employment is difficult to evaluate and inclusion in PSS needs further research. Design practice could be used to further develop the services in the studied concept. © 2017 The Authors.

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  • 9.
    Kurdve, Martin
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF. Chalmers University of Technology, Sweden.
    Jönsson, Christina
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF.
    Granzell, Ann-Sofie
    Development of the urban and industrial symbiosis in western Mälardalen2018In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 73, p. 96-101Article in journal (Refereed)
    Abstract [en]

    From a product service systems business model development perspective, this paper presents a case study of Västra Mälardalens industrial symbiosis, its maturity level and potentials for further development. The status and potentials of the symbiosis network, based on a survey, interviews and workshops, together with background statistics, is used to evaluate the potential improvement areas and suggest future research. The study contributes with application of evaluation models and confirms earlier research and in addition suggests future research in the field. The Symbiosis network has potential to be acting as innovation catalyst supporting companies to go beyond core business development.

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  • 10.
    Kurdve, Martin
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF. Mälardalen University, Sweden.
    Sjögren, Peter
    ABB, Sweden.
    Gåsvaer, Daniel
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF. Mälardalen University, Sweden.
    Widfeldt, Magnus
    RISE - Research Institutes of Sweden (2017-2019), Materials and Production, IVF.
    Wiktorsson, Magnus
    Mälardalen University, Sweden.
    Production System Change Strategy in Lightweight Manufacturing2016In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 50, p. 160-165Article in journal (Refereed)
    Abstract [en]

    Two change management strategies: a minimum change, exploitation strategy (kaizen) and a maximum output, exploration strategy (kaikaku) have been applied in a manufacturing case study. Value stream mapping and discrete event simulation were used to analyse the production system changes, with regards to robustness and total lead-time, to increase knowledge of how to choose change management strategy. The results point out that available time is crucial. It is important to consider not only product specification and return of investment, but also the change and risk management. Future research should develop engineering change management further.

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  • 11.
    Ström, Mikael
    et al.
    RISE, Swerea.
    Raudberget, Dag
    Chalmers University of Technology, Sweden.
    Gustafsson, Göran
    Chalmers University of Technology, Sweden.
    Instant Set-based Design, an Easy Path to Set-based Design2016In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 50, p. 234-239Article in journal (Refereed)
    Abstract [en]

    A simplified variant of Set-Based Design (SBD) was created. It was combined with the creative methods 6-3-5 and the Gallery method as well as the systematic method morphological matrix to generate solutions. This made it possible to introduce SBD in one day, which has been verified by tests on design problems at industrial firms. The methodology, Instant Set-Based Design (ISBD), was perceived easy to understand and was well received by the designers. The introduction of it was less cumbersome compared to the full version of SBD. The conclusion is that the developed methodology works as intended with good results.

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  • 12.
    Zackrisson, Mats
    et al.
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Kurdve, Martin
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Shahbazi, S.
    Mälardalen University, Sweden.
    Wiktorsson, M.
    Mälardalen University, Sweden.
    Winroth, M.
    Chalmers University of Technology, Sweden.
    Landström, A.
    Chalmers University of Technology, Sweden.
    Almström, P.
    Chalmers University of Technology, Sweden.
    Andersson, C.
    Lund University, Sweden.
    Windmark, C.
    Lund University, Sweden.
    ֖berg, A.E.
    Volvo Construction Equipment AB, Sweden.
    Myrelid, A.
    GKN Aerospace Engine Systems AB, Sweden.
    Sustainability Performance Indicators at Shop Floor Level in Large Manufacturing Companies2017In: Procedia CIRP, ISSN 2212-8271, E-ISSN 2212-8271, Vol. 61, p. 457-462Article in journal (Refereed)
    Abstract [en]

    This article investigates sustainability in the performance measurement systems of Swedish manufacturing companies. It builds on a previous study that documents relatively few direct environmental indicators at shop floor level, which raises questions about possible indirect links between existing indicators and the environment that could be used to improve the environmental aspect of company’s sustainability ambitions. A method for identifying and categorizing indirect links to sustainability issues was defined and used. The results suggest that at shop floor level 90% of the indicators have at least an indirect relation to one or more of the sustainability dimensions economy, environment and social, of which 26% are at least indirectly related to the environmental dimension. Despite the many indirect connections, participating companies perceive a need to improve sustainability indicators and some ideas are suggested.

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