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  • 1.
    Salim, Roaa
    et al.
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Andersson, Oscar
    Jönköping University, School of Engineering.
    Schneider, Christian
    Jönköping University, School of Engineering.
    Winroth, Mats
    Jönköping University, School of Engineering, JTH. Research area Industrial Production. Chalmers University of Technology, Sweden.
    Säfsten, Kristina
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Levels of Automation in the wood products industry: A case study2016In: Proceedings of the 23rd EurOMA Conference, International Annual EurOMA Conference, 2016Conference paper (Refereed)
    Abstract [en]

    The paper investigates the effect of the changeover in levels of automation (LoA) on the material utilization and the production flexibility in processing line systems, in the wood product industry. Further, the paper examines the applicability of the DYNAMO methodology in the chosen context. A case study was conducted where two processing line systems were analysed and compared in terms of LoA and performance. The results imply that consistency in quality and the ability to handle product complexity are affected by the changeover in LoA. 

  • 2.
    Salim, Roaa
    et al.
    Jönköping University, School of Engineering, JTH, Supply Chain and Operations Management. Jönköping University, School of Engineering, JTH, Industrial Product Development, Production and Design.
    Johansson, Jimmy
    Linnaeus University, Kalmar, Sweden.
    Automation decisions in investment projects: A study in the Swedish wood products industry2018In: Procedia Manufacturing, Elsevier, 2018, Vol. 25, p. 255-262Conference paper (Refereed)
    Abstract [en]

    The aim of this paper is to study which aspects are considered when automation decisions are being made in the wood products industry. The aspects were identified in several decision areas of manufacturing. The data collection was based on participation in meetings of an ongoing investment project. The findings demonstrate that in the first phases of an investment project, where the project idea is evaluated, the most critical aspect for decision makers is economic benefits. This paper will provide further insights on the underlying reasoning for decisions on automation of manufacturing in investment projects in the wood products industry. 

  • 3.
    Salim, Roaa
    et al.
    Jönköping University, School of Engineering, JTH. Research area Industrial Production. Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Johansson, Jimmy
    Linnaus University, Växjö, Sweden.
    The influence of the raw material on the wood product manufacturing2016In: Factories of the Future in the digital environment - Proceedings of the 49th CIRP Conference on Manufacturing Systems, Elsevier, 2016, Vol. 57, p. 764-768Conference paper (Refereed)
    Abstract [en]

    This paper focuses on the later part of the wood processing chain in wood industry: the wood product manufacturing. Wood product manufacturers are facing many challenges e.g. due to the high variability of the raw material. Waste and rework are prevalent, resulting in high manufacturing costs. Each processing step in the manufacturing affects material utilization and cost efficiency. The proportion of the material cost and waste in most wood products are high. The challenge for wood product manufacturers is to make profit and remain competitive when on one side they need to execute the processes at the lowest cost and within shortest time and on the other side deal with a highly variable raw material. Therefore, wood product manufacturers need to consider their manufacturing process with emphasizes on the raw material consumed. The purpose of this paper is to examine the direct –and indirect influences of the material on the wood product manufacturing process in terms of productivity and efficiency. The direct influences aims at examining the impact of consuming raw material with different properties on the manufacturing process, while the indirect influences examine process-related aspects affecting the material’s influence on the manufacturing process. This paper is based on a case study at a Swedish interior wood product manufacturer. The first phase of the study compares between two wooden panels with different material properties. Results show that solid, knotty raw material with higher moisture content results in lower efficiency than finger-jointed, knot free material with lower moisture content. The second phase of the study examines the indirect influences and shows that material handling is one of the key process-related aspects that need to be considered.

  • 4.
    Salim, Roaa
    et al.
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Kristina, Säfsten
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Mats, Winroth
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Current situation analysis: Manufacturing challenges in woodworking sector2015Conference paper (Refereed)
    Abstract [en]

    The woodworking sector is highly competitive and mostly competes by manufacturing cost and product quality. The raw material itself stands for more than 50% of total manufacturing cost. In order to decrease manufacturing costs, there is a need to increase quality and efficiency. Even though competitive manufacturing is a widely researched area, sparser research is focused on the woodworking sector. The purpose of this paper is to identify challenges affecting manufacturing competitiveness regarding the following: management, workforce, manufacturing process, material and material handling, and information. The results are based on a literature review supplemented by a case study, conducted at a Swedish interior wood products manufacturing firm. Results indicate that competence is a challenge inhibiting manufacturing competitiveness. Other challenges identified are related to, among others, adaptability. The woodworking sector has a low level of adaptation to manufacturing philosophies and technologies, leaving it lagging behind other industries.                             

  • 5.
    Salim, Roaa
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Mapulanga, Mwanza
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Saladi, Praveen
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Karltun, Anette
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Automation in the wood products industry: challenges and opportunities2016Conference paper (Refereed)
    Abstract [en]

    A stagnation of productivity increase has been observed in the Swedish wood product industry. The manufacturers believe that there is a need to invest further in automation in order to stay competitive. For this reason, the paper seeks to understand the role of automation in the Swedish wood product industry, and focuses on identifying the challenges and opportunities of automation. The following research question was addressed: What are the challenges and opportunities of automation in the wood product industry? In order to answer the research question, four case studies were conducted, each case representing a different business area. The research question was examined in terms of internal – and external challenges and opportunities. The internal challenges and opportunities examine the manufacturing, while the external challenges and opportunities examine the influence of the business environment. Findings indicate that lack of manufacturing strategies, and lack of awareness of automation technologies were some of the main challenges. Regarding the opportunities, increased profitability and competitiveness were emphasized. The identification of the challenges and opportunities of automation in the wood product industry can provide insights and be used as underlying decisions for automation investments.

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