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  • 1101.
    Thipprakmas, Sutasn
    et al.
    King Mongkuts Univ Technol Thonburi, Bangkok, Thailand.
    Aue-u-lan, Yingyot
    King Mongkuts Univ Technol North Bangkok, Bangkok, Thailand.
    Jarfors, Anders E.W.
    Jönköping University, School of Engineering, JTH, Materials and Manufacturing.
    Jirathearanat, Suwat
    Singapore Inst Mfg Technol SIMTech, Singapore, Singapore.
    Computational Methods in Design and Manufacturing Processes2019In: Mathematical problems in engineering (Print), ISSN 1024-123X, E-ISSN 1563-5147, p. 1-1, article id 1920871Article in journal (Refereed)
  • 1102.
    Thorman, Philip
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Yousef, Adnan
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Övergångsprocessen till ISO 9001:2015: Metoder och hjälpverktyg inför skiftet till ISO 9001:20152017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The key point in this thesis has been to illustrate the overall picture of a transitions process where the tools and methods are applicable on all companies that will make the transition to ISO9001:2015. Furthermore has the case company’s current situation been thoroughly studied with suitable methods to prove how this can be done and the importance it has to easen the transition to a new standard. The key is to ease the transition process to ISO9001:2015 (figure 1).

    1. Which methods are suited to determine the current situation regarding ISO9001?

    This has been answered by collecting data by using many different methods. The methods were then compared to each other to figure out which differences and similarities there was. The used methods are: serveys, dialogues and a self-developed method ”metod för egen bedömning” (method of self-assessment). The analysis was conducted and the results show that the different methods came to partially different results. Furthermore, it’s important to analyze a subject from more than one perspective and by using different methods.

     2. What are the differences between ISO9001:2008 and ISO9001:2015?

     

    The method that were being used to determine the differences that existed between the standard systems consisted of a gap-analysis. The analysis was carried out by comparing the following demands in ISO9001:2015 and its correlation in ISO9001:2008 and the difference (the gaps) could be identified (Figure 11).

     3. Which auxiliary tools are suited for companies facing a simple and effective transition to ISO9001:2015?

    The current situation has been put in relation to three important and critical factors which, according to Poksinska[8], are crucial when implementing a new standard. Relevant tools have been designed based on these factors to allow companies to ascend to the new standard in the best possible fashion. Companies must fulfill the new standards, determined by the gap-analysis, to be certified by ISO9001:2015. Relevant methods have been constructed from the difficulties and needs the companies experienced during the transition process as determined by O. Makie, B. Haxha thesis 2016 [2]. These methods can be directly applied to all Swedish companies, no matter what kind of business the company is conducting, to make the transition to ISO9001:2015 as simple as possible.

    The results from this thesis are the tools and methods that was produced and these have got their origin from the company’s current situation or from the gap-analysis. It has also been important to relate these tools and methods to the theory that has been processed to show their purpose and that they are supported by a scientific basis. The auxiliary tools can be directly applied and could come to be a part of the everyday quality management.

  • 1103.
    Thorsell, Tobias
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Orsaksanalys och lösningsförslag vid fel vid kommunikation av växelläge2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This bachelor thesis has been executed in cooperation with Kongsberg Auto-motive AB, Mullsjö, who develop and produce parts to the automotive industry.The company has received complaints on a gear lever unit which they produce and which sits in the customers’ trucks and buses. The failures have occurred relatively infrequently, but with enough margins to classify them as serious failures. These failures are connected to that magnet arm in the product which communicates with the transmission of the vehicle and leads to the consequence of an unusable truck that is in need of towing.The intent with this thesis is that the author should tackle the problems with the magnet arm on an engineering basis so that the root causes to the problems can be ascertained. The goal is to find these root causes to why the magnet arm breaks, or dislocates, and generate a design that prevents the problems from reappearing.To structure the work the author has used a method for problem solving called Six Sigma DMAIC which is the base for the whole project and therefore the thesis.Through extensive analyzes the author ascertained that the root causes for the problems with the magnet arm came from the design of parts, relating to the knob of the product, that enables two buttons to simultaneously be activated.The thesis resulted in a concept which together with the company´s solution removes the underlying root causes and prevents the problem from reappearing.

  • 1104.
    Tibblin, Lennart
    et al.
    Chalmers University of Technology.
    Winroth, Mats
    Jönköping University, School of Engineering, JTH. Research area Industrial Production. Chalmers University of Technology.
    Knowledge Management in the Cross-cultural Organisation; Imposed Cultural and Language Barriers vs. Risk of Sub-optimising and Distanced Organisational Identity2012In: Proceedings of the 5th International Swedish Production Symposium, SPS 12, 6 - 8 November 2012, Linköping, Sweden / [ed] Mats Björkman, Svenska Produktionsakademien , 2012, p. 567-574Conference paper (Refereed)
    Abstract [en]

    For the establishing cross-cultural organisations one central question has been how to balance the desired need for standardisation and still maintain consideration for the specific norms of the cultural context. While focus commonly been on customs, protocols of communication and interaction, less attention has been given to the creative environment and knowledge management over the cultural and language barriers. In this paper it is indicated that the move to a foreign domain can potentially reduce the platform for a creative exchange between agents of same culture and language constitution, and that the learning organisation should review the lateral move of the workspace from the individuals own language and culture specific context to the standardised organisational context. Moreover, the culture and language context is argued able to channel creativity when promoting sub-groups priorities, languages and characteristic thought worlds. The implications from an inherent risk of sub-optimising and a distanced organisational identity are also discussed.

  • 1105.
    Tiedemann, Fredrik
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Strategic lead-times and their implications on financial performance2017Licentiate thesis, comprehensive summary (Other academic)
    Abstract [en]

    The overall goal for manufacturing companies is to earn profit and increase shareholders’ value. To ensure that companies in fact are profitable, managers usually evaluate the company’s resources based on both financial and operational performance, to analyse if the resources are contributing with a financial return. One of the most critical resources and competitive advantages that manufacturing companies have is time. Time, however, is an intangible resource and challenging to measure financially. There are, therefore, few practical instruments available to support managers’ decisions when it comes to linking lead-time with financial performance, assisting managers to prioritize the lead-times that are of strategic value (i.e. strategic lead-times). The purpose of this research was, therefore, to analyse strategic lead-times within new product development, purchasing, and production, as well as the implications that strategic lead-times have on manufacturing companies’ financial performance. To fulfil this purpose, the following two research objectives were formulated: (1) to analyse strategic lead-times within new product development, purchasing, and production, and (2) to analyse the implications of strategic lead-times on manufacturing companies’ financial performance.

    The research presented in this thesis has been conducted within a research project (KOPtimera). To fulfil the research objectives and the research purpose, a combination of conceptual analytical research and case study research was used, utilizing a number of data collection techniques: literature reviews, interviews, focus groups, workshops, document studies, and observations.

    In general, it is concluded that strategic lead-times, as defined in the research, have high implications for manufacturing companies’ financial performance and that the length of the strategic lead-times will impact who owns the risk in the manufacturing system, who controls the system and where variants are possible to create. The research further presents the implications that strategic lead-times have on financial performance, as well as indicates that it is possible to evaluate lead-time performance through financial performance, using readily available and accepted financial performance measures. Based on the implications identified, also a framework (the FinaSt framework) was developed. This FinaSt framework takes into consideration that not only the extension, but also the existence of strategic lead-times has implications for manufacturing companies’ financial performance, and that these implications can be either direct or indirect.

    The results contribute to the literature focused on valuing lead-times and provide useful knowledge for managers, allowing them to gain a better understanding for strategic lead-times’ implications on manufacturing companies’ financial performance, thus allowing for better decision support when evaluating supply chain designs and prioritizing alternatives based on profitability (i.e. return on investment).

  • 1106.
    Tiedemann, Fredrik
    et al.
    Jönköping University, School of Engineering, JTH, Supply Chain and Operations Management.
    Johansson, Eva
    Jönköping University, School of Engineering, JTH, Supply Chain and Operations Management.
    Gosling, Jonathan
    Logistics Systems Dynamics Group, Cardiff Business School, Cardiff University, Cardiff, United Kingdom.
    Structuring a new product development process portfolio using decoupling thinking2019In: Production planning & control (Print), ISSN 0953-7287, E-ISSN 1366-5871Article in journal (Refereed)
    Abstract [en]

    The purpose is to develop a structured new product development (NPD) process portfolio for manufacturing companies that facilitates the organization of NPD processes for both standardized products, focusing on time-to-market, and customized products, focusing on time-to-customer. The research combines different literature streams, enriching and advancing the understanding of decoupling thinking in NPD processes of manufacturing companies. It includes extensive empirical data from six manufacturing companies and presents testable propositions for further research. The resulting NPD process portfolio separates technology development from product development, acknowledges the different drivers and outcomes of processes and addresses the lead-time trade-offs. It provides an overview of potential options for NPD processes and shows different pathways through the processes. Companies can use the portfolio to support decisions related to the overall configuration of their NPD portfolios, the role and the range of different NPD processes, as well as to determine when and how to engage customers.

  • 1107.
    Tiedemann, Fredrik
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Johansson, Eva
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Wikner, Joakim
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Strategiska ledtiders inverkan på räntabilitet2016Conference paper (Refereed)
    Abstract [sv]

    Tid och ledtid betraktas ofta som en konkurrensfördel samt påverkar ett företags ekonomiska situation. Sambandet mellan ledtid och finansiella nyckeltal är dock inte alltid självklart. I denna studie undersöktes därför empiriskt relationen mellan strategiska ledtider och det finansiella nyckeltalet ROA. Resultaten från denna studie bidrar till att öka förståelsen för ledtid som en kritisk egenskap samt minska det teoretiska gapet gällande sambandet mellan ledtid och finansiella nyckeltal. Resultaten kan vidare användas av företag vid utvärdering och prioritering av olika alternativ i försörjningskedjan.

  • 1108.
    Tiedemann, Fredrik
    et al.
    Jönköping University, School of Engineering, JTH, Supply Chain and Operations Management.
    Wikner, Joakim
    Jönköping University, School of Engineering, JTH, Supply Chain and Operations Management.
    Some Common and Fundamental Characteristics of Four Supply Chain Strategies – Customization, Leagility, Postponement and Segmentation2018Conference paper (Other academic)
    Abstract [en]

    Balancing efficiency and responsiveness has been identified as an overall challenge for decision makers in supply chain management. The literature offers several strategies for managing this balance challenge. From a decision-making perspective this is a significant contribution but in combination the strategies also result in complexity related to the different alternatives offered. This study does, however, show that the strategies share a common foundation in terms of content related to decoupling thinking, which is based on flow discontinuities. Using the strategies’ individual strengths, a process is outlined that takes advantage of these strengths through a four-phase ongoing process.

  • 1109.
    Timén, Peter
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Ericsson, Marcus
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Effektiv lagerstyrning genom tillförlitlig prognostisering: Effective inventory control through reliable forecasting2006Independent thesis Basic level (degree of Bachelor), 10 points / 15 hpStudent thesis
  • 1110.
    Timén, Peter
    et al.
    Jönköping University, Jönköping International Business School, JIBS, Business Administration.
    Hess, Elin
    Jönköping University, Jönköping International Business School, JIBS, Business Administration.
    Gustafsson, Marcus
    Jönköping University, Jönköping International Business School, JIBS, Business Administration.
    Leadership at different levels: A case study at PaperPak Sweden AB2007Independent thesis Basic level (degree of Bachelor), 10 points / 15 hpStudent thesis
    Abstract [en]

    The business climate of today demands high flexibility and quick responsiveness from suppliers.

    It has become essential for organizations to have effective leaders in all hierarchal

    levels, which understand and are able to work under these conditions. As the market requirements

    have changed, a new paradigm of leadership has evolved (Bryman, 1992). This

    paradigm puts more focus on charisma and how to motivate followers, which is the essential

    part of transformational leadership. According to Burns (1978), transformational leadership

    is a process between leader and follower rather than exchanges. This leads to the

    question of what effective leadership is and if it can be measured in some way. One

    method is the use of the Multifactor leadership questionnaire, the MLQ-test, developed by

    Bass 1985 from the full range model.

    The conducted research for this thesis is done at PaperPak Sweden AB, a manufacturer of

    disposable incontinence products located in Aneby, Småland.

    The purpose of this thesis is to evaluate if any differences and/or similarities in leadership

    can be found between or within the hierarchical levels. The intent with the report is also to

    investigate those variances and if they are positive or negative for an organization.

    A theoretical framework focusing on leadership has been collected, to enable the fulfillment

    of the thesis purpose. This framework will act as support for the analysis of the quantitative

    investigation, based on the MLQ-test. From this analysis, the authors have made

    conclusions and recommendations. The degree of transformational, transactional and laissez-

    faire leadership has been measured for the three leadership levels top, middle and low

    management. It could be argued that the top management should show the highest degree

    of transformational leadership, and low management the least, due to their positions and

    work tasks. The result of the analysis supported that theory to a large extent. However,

    lower management showed a significantly higher degree of transformational leadership

    than middle management. One explanation could be that middle management lives in a

    more stressful situation, working between top and low management, compared to the other

    two, which is supported by Grout (1994).

    Since the theoretical findings mean that leadership can be learnt and developed, the authors

    suggest that organizations always have to follow up and try to develop their leaders and

    managers towards higher degrees of transformational leadership. Finally the authors suggest

    that further studies of the MLQ-test should investigate the possibilities to include measurements

    of the technical side of leadership, since the test currently does not take those

    factors into consideration.

  • 1111.
    Tingbratt, Susanna
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Kalkylering av bearbetningskostnader2008Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    At a manufacturing company, due to the competition the price is reducedtowards the manufacturing cost. Therefore it is important to maintain control ofones costs and keep calculations up-to-date.

    This thesis deals with cost accounting at a aluminium-processing company. The report focuses on calculating machine cost per hour since the manufacturing costs are the major part of the total product cost.

    Managers on the company believe that the costs they use in calculations todayneither is up-to-date nor advantageous in a market aspect and due to that their calculations need to be revised. The machines cost per hour is a major part in the manufacturing calculation. The company wants to provide a competitive price that also covers their costs. Therefore the company needs to control and specify their costs.

    The costs for the CNC-machines calculated in this thesis was considerablyhigher than the costs previously calculated for the company. It surprised thecompany managers that since the last calculation the used hours had increased by 15%. Comparisions between the calculations showed that there was differences in how costs and incomes were allocated and which divisions that carried their own costs.

    To be able to compete about major orders the company needs to be able toprovide CNC-manufacturing at a price of 400 SEK for machines feeded byoperators and 200 SEK for the machine feeded by a robot. A target costcalculation was made to determine what changes is required to reach thosemanufacturing costs.

    The conclusion of this thesis is that it is possible for the company to offer aCNC-manufacturing-price below 400 SEK/hour and a Robot-cellmanufacturing-price below 200 SEK/hour. However it requires more control over the company’s costs and over how big part of the order that has the lower machine cost per hour.

  • 1112.
    Tingåker, Simon
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Hanson, Fredrik
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Konceptutveckling av interiörbelysning Thule Sweden2016Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis has been conducted at the School of Engineering at Jönköping University in cooperation with the outdoor company Thule Sweden AB with focus at an active lifestyle. The company wants to lift the lightning to the next level by integrating it with the roof box. Today’s lightning comes as an option and is attached to the rear hinge. The study has been designed for the purpose; to develop a concept for an interior lightning to the premium segments. Based on the purpose of the study, four questions were created which the study will be focused around.

    To answer these questions, the authors has chosen to use a concept study, where earlier literature used as the basis for the achievement. The decisions taken during the work has been based on theoretical background and previous methods. To get an overview of the market, a competitive analyses have been established.

    The study resulted in a number of concepts which then were concentrated into one final. The concept is adapted to Thule’s design language and perceived well integrated in the roof box. What makes the product attractive to the customers is particularly the increased functionality provided by an illuminated packing space. Because of the work to avoid a spotlight-feeling the final concept gives a more exclusive feeling.

    Further work and research within the study would include the attendance of interested companies for the refinement of concepts and finally a cost estimation to determine if a future production is of interest.

  • 1113.
    Tjäderborn, Niclas
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Holm, Christian
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Utveckling av hjulhållare för cykelhållare2009Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report is a bachelor thesis work within the field of Product Development and is also an assignment for Thule Sweden. The work has been performed by Niclas Tjäderborn and Christian Holm, students at the Mechanical Engineering Program with major in Product Development and Industrial Design at Jönköping School of Engineering during spring the semester of 2009.

    The thesis work concerned the development of a new wheel holder for bike carrier for Thule Sweden. The background to the project was that the initiator wanted a more user friendly wheel holder with better design than those available on the market. The wheel holder is able to be implemented on one or several of Thule’s current wheel holders. The report continues the entire process from pre-study to the finished prototype. One of the challenges concerning the project was that the wheel holder should be able to attach bicycle wheels that have large variations in dimensions; due to this a specific investigation concerning dimensions was performed. A patent investigation was also made in order to find out what patents that currently exist. Seven different concepts with several versions have been developed during the project work, all of them created in CAD, specifically using Solidworks. After a four phase’s evaluation, one of these concepts was chosen. This final concept was further developed and a prototype was made in 3D-printer.    

    The authors of this thesis would like to thank everyone that has been a great help during the thesis work. A special thanks goes to Joakim Andersson and Anders Lundgren at Thule Sweden.

  • 1114.
    Todeti, Vamsikrishna
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Jally, Kalyanchakravarti
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Reducing internal lead times in MTO & job-shop production environments: a case study2013Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    This Master’s thesis has been carried out within the subject area of Production Development and Management and aims to reduce internal lead times in make-to-order (MTO) and job-shop production environments with the use of identified theoretical methods.

    The reason this particular production environment was chosen was the flexibility and satisfaction it provides its customers. Today, customers expect customised products, a situation which causes problems for manufacturers as they are unable to produce such products in large amounts. In order to investigate problems with these kinds of environments and the causes for long lead times, we have conducted a literature study where we identified the problems these particular kinds of production environments experience regarding production planning and control which are related to the immense amount of time consumed by changeovers because of high demand variance and high requirements for customisation.

    To affirm the theoretical findings, we opted to undertake a case study and chose Talent Plastics Gislaved AB as our case, because this company utilises an MTO and job-shop production environment for its production of highly customised products with high demand variance. In the analysis of our case, we found that the wastes in the organisation were similar to those identified in the theoretical findings. The current planning system and the current state of the manufacturing lead time system were evaluated and a theoretical framework using a combination of lean production, work load control and constant work-in-process theories was suggested. We claim that concentrating on the reduction of setup times can lead the job-shop towards drastically decreased lead times and a much more effective use of time throughout the organisation.

    Because the organisation will continue to face problems due to the ever-increasing demand variance and requirements for customisation, there are plenty of opportunities for further research in these kinds of production environments. Emerging theories, such as quick response manufacturing, may also be tested to construct an efficient framework.

  • 1115.
    Torkelsson, Olle
    Jönköping University, School of Engineering.
    Formgivning av multimediamöbel2010Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Formgivningsprocess för en multimediamöbel..

  • 1116.
    Tovar López, Carlos
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Electric Bicycle Design2009Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The thesis consists of the design of an electric bike.

    Based on the analysis of the needs arising from urban transport in Sweden and its people.We wanted to develop a bicycle that could be manufactured in the coming years and be widely accepted by the Swedish population and later also in Europe.

  • 1117.
    Trauntschnig, Joakim
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Lind, Julia
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Framework of Standardized Workstations for a Mixed-model Assembly Line: Material Presentation and Work Activities from a Time Efficient and Ergonomic Perspective2018Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose – The purpose of the study is to propose a framework for standardized workstations with focus on operators work activities and material presentation on a mixed-model assembly line. In order to fulfill the purpose, it was decomposed into three research questions:

    Research question 1: What problems in existing manual workstations can be identified, regarding work activities and material presentation?

    Research question 2: What can be considered regarding operators' work activities in creation of standardized workstations for a mixed-model assembly line?

    Research question 3: What can facilitate the work performance and ergonomics of operators when designing material presentation for standardized workstations for a mixed-model assembly line?

    Methodology – This study was carried out inductively through analysis of empirical data from a case study against existing theories from a literature study. Theories were in the areas of mixed-model assembly line, workstation design, material presentation, work activities, ergonomics and human aspect, and standardization and flexibility. To gather empirical data, a document study, observations and interviews were conducted at one case company.

    Findings – The study resulted in a framework for work activities and material presentation in standardized workstations on a mixed-model assembly line within the perspectives of ergonomics, standardization and non-value-added work. Results indicated on decreased efficiency if the involvement of human factor and standardization were insufficient in the workstation design, by increased non-value- added work and decreased ergonomics.

    Implications – The proposed framework intended to support companies to merge assembly lines into a mixed-model assembly line with low automation.

    Limitations – The framework in this study only focused on workstations' workactivities and material presentation. Workstations are linked to more than these two areas therefore should more areas be included in merging assembly lines. This framework had the perspectives of ergonomics, standardization and non-value-added work, more perspectives should be considered in a merger.

  • 1118.
    Truden, Mark
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Foldable pedelec2013Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    This master thesis project is about easier commuting in a more eco-friendly way thus a new foldable pedelec - pedal electric cycle was created. The idea is that the commuters are able to fold their bicycle to a convenient size and store it under the desk in the office, in a trunk of a car, or even brought on a bus if used as a connecting transport.

    It incorporates the latest ergonomic, safety, display and drivetrain features in combination with a sleek single-fork design. This enables the pedelec to be folded more conveniently and save additional space.

    To appeal to a wider range of users they are given the opportunity to choose their own colour codes and personalize their own foldable pedelec.

  • 1119.
    Uriarte, A. G.
    et al.
    Production and Automation Engineering Division, School of Engineering Science, University of Skövde, Sweden.
    Ng, Amos H. C.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Production and Automation Engineering Division, School of Engineering Science, University of Skövde, Sweden.
    Moris, M. U.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Jägstam, Mats
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Lean, simulation and optimization: A maturity model2017In: IEEE International Conference on Industrial Engineering and Engineering Management, IEEE, 2017, p. 1310-1315Conference paper (Refereed)
    Abstract [en]

    This article presents a maturity model that can be applied to support organizations in identifying their current state and guiding their further development with regard to lean, simulation and optimization. The paper identifies and describes different maturity levels and offers guidelines that explain how organizations can grow from lower to higher levels of maturity. In addition, it attempts to provide the starting point for organizations that have applied lean or are willing to implement it and which may also be considering taking decisions in a more efficient way via simulation and optimization. 

  • 1120.
    Uriarte, A. Goienetxea
    et al.
    Production and Automation Engineering Division, School of Engineering Science, University of Skövde, Sweden.
    Ng, Amos H. C.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Production and Automation Engineering Division, School of Engineering Science, University of Skövde, Sweden.
    Zuñiga, E. Ruiz
    Production and Automation Engineering Division, School of Engineering Science, University of Skövde, Sweden.
    Moris, M. Urenda
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Improving the material flow of a manufacturing company via lean, simulation and optimization2017In: IEEE International Conference on Industrial Engineering and Engineering Management, IEEE, 2017, p. 1245-1250Conference paper (Refereed)
    Abstract [en]

    Companies are continuously working towards system and process improvement to remain competitive in a global market. There are different methods that support companies in the achievement of that goal. This paper presents an innovative process that combines lean, simulation and optimization to improve the material flow of a manufacturing company. A description of each step of the process details the lean tools and principles taken into account, as well as the results achieved by the application of simulation and optimization. The project resulted in an improved layout and material flow that employs an automated guided vehicle. In addition, lean wastes related to transport, inventory levels as well as waiting times were reduced. The utilization of the process that combines lean, simulation and optimization was considered valuable for the success of the project. 

  • 1121.
    Utterberg, Oscar
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Färgmarkerand Ammunitions-simulator2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 1122.
    Vaillancourt, Alain
    et al.
    Hanken School of Economics.
    Haavisto, Ira
    Hanken School of Economics.
    An exploratory study of the link between investment in transportation infrastructure and disaster impact2014In: NOFOMA 2014 Proceedings: Competitiveness through Supply Chain Management and Global Logistics / [ed] Britta Gammelgaard, Günter Prockl, Aseem Kinra, Jesper Aastrup, Peter Holm Andreasen, Hans-Joachim Schramm, Juliana Hsuan, Malek Malouf, Andreas Wieland, Department of Operations Management, Copenhagen Business School , 2014, no 1Conference paper (Refereed)
    Abstract [en]

    Purpose of this paper 

    Disasters affect millions of individuals each year and the current trend shows an increase in these numbers. The aim of this paper is to explore whether investments in transportation infrastructure in areas affected by disasters has a link with the number of people affected by disasters. 

    Design/methodology/approach

    Drawing on disaster models from the existing literature, the paper uses a regression model with secondary data about investment from 2005-2010 to explore the link between transport infrastructure investment and people affected by disasters in 2011.

    Findings 

    The multivariate model presented in this paper shows that there is a significant link between the investments made in transport infrastructure and a reduction of the number of affected people in disasters. 

    Research limitations 

    The research and model of this paper is limited by its sample size as well as by the secondary data which does not record all transportation investments made by governments but only the ones made through World Bank projects. Practical implications The results help understand what could be one of the many drivers behind reducing the amount of people affected by disasters. The results can further be used by policy and decision makers to take knowledgeable decisions when investing in disaster prone countries. 

    Originality of paper 

    This paper is original since it looks at a new variable that has not been studied previously and that might affect disaster outcomes.

  • 1123.
    Vaillancourt, Alain
    et al.
    Hanken School of Economics.
    Haavisto, Ira
    Hanken School of Economics.
    Country logistics performance and disaster impact2015In: Disasters. The Journal of Disaster Studies, Policy and Management, ISSN 0361-3666, E-ISSN 1467-7717, Vol. 40, no 2, p. 262-283Article in journal (Refereed)
    Abstract [en]

    The aim of this paper is to deepen the understanding of the relationship between country logistics performance and disaster impact. The relationship is analysed through correlation analysis and regression models for 117 countries for the years 2007 to 2012 with disaster impact variables from the International Disaster Database (EM-DAT) and logistics performance indicators from the World Bank. The results show a significant relationship between country logistics performance and disaster impact overall and for five out of six specific logistic performance indicators. These specific indicators were further used to explore the relationship between country logistic performance and disaster impact for three specific disaster types (epidemic, flood and storm). The findings enhance the understanding of the role of logistics in a humanitarian context with empirical evidence of the importance of country logistics performance in disaster response operation

  • 1124.
    Valizoda, Sulaymon
    et al.
    Jönköping University, School of Engineering, JTH, Product Development.
    Gustavsson, Oscar
    Jönköping University, School of Engineering, JTH, Product Development.
    Konceptstudie av gräsuppsamlare2018Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
    Abstract [en]

    This report describes the degree project by Oscar Gustavsson and Sulaymon Valizoda during the spring term 2018 at School of Engineering in Jönköping. The thesis has been carried out for Husqvarna AB in cooperation with Semcon AB as a final part of the authors’ education to engineers in Mechanical Engineering, Product development and Design. Within the company Husqvarna AB development and renewal are of great interest. In their development of grass collectors, this mission was assigned where the goal was to create new concepts and solutions to a grass collector belonging to one of Husqvarna AB's existing walk behind lawn mowers. The aim was to reduce the amount of spilled grass that lands on the ground and making it easier for the user to empty the collector after the grass has been collected. The work has been carried out as a concept study where a selected product development process has been implemented. The different phases and methods of the process from pilot studyto prototype are described to clarify how their approaches have been used. During the project a requirement specification was defined which specifically described what would be fulfilled and which could be followed as a basis in the development of concepts. To give this thesis a theoretical background, theories about the product development process, computer-aided design, vacuum forming, steel and welding joints has been applied.The study resulted in a final concept that were further developed and prototyped. The concept was considered by Husqvarna AB to be the best concept to proceed with.Testing and evaluation were performed on the prototype where the work was limited to. Further more, Husqvarna AB is able to continue the development and use the information from the work, which hopefully can be a helpin the development of a better grass collector.

  • 1125.
    Vargvik, Pontus
    Jönköping University, School of Engineering, JTH, Product Development.
    Adaptive Cabin Luggage: Master thesis project for a size adaptive cabin luggage with an exterior pocket2018Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Introduction The report holds the process and result of a final thesis for a Master in industrial design at Jönköping University. The whole project is valued 30 credits and will proceed during spring of 2018.

    Background The task for this project is to develop a concept for a hard case cabin luggage featuring an expandability or compression system. This means that the luggage is supposed to change in size and by that be versatile and fit several travel lengths. The luggage is also going to feature an exterior pocket. The exterior pocket and expandability/compression system should feature solutions that are compact and versatile to benefit the user rather than stealing package volume and adding weight.

    Objective The objective for the expandability/compression system is to come up with a solution that is compact and versatile while still preserving rigidity to the luggage.

    The objective for the smart pocket is to create a pocket that is integrated with the design of the luggage, possibly not extruding from the main shape.

    Methods used Gantt schedule, Product breakdown structure, Function analysis, Matrix evaluation, Observations, Interviews, Image board, Personas, Ideation sketching, CAD modelling and physical models.

    Result The resulting concept is presented using descriptive text, 3D renderings, and a physical 1:1 design model.

  • 1126.
    Varmaz, Enes
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Göthager, Mikael
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    En lönsamhetsberäkning på konkurrerande transportmedel2007Independent thesis Basic level (degree of Bachelor), 10 points / 15 hpStudent thesis
    Abstract [sv]

    Rapporten behandlar två uppgifter, transporter av motorsågar (produktfamilj 6001 och 6002) från Sverige till USA och transporter av Husqvarnas produkter inom Europa.

    Vad gäller transporter till USA så finns idag två alternativa transportmedel, flyg och sjöfrakt. Syftet med undersökningen var att klargöra vilket transportsätt som är mest lönsamt för Husqvarna både ur ett ekonomiskt- och kundperspektiv. Undersökningen visar en genomsnittlig låg servicegrad för båda produktfamiljerna, inget samband kan heller förtydligas mellan flygfrakt och höjd servicegrad. Undantagsvis används flyg i syfte att minska ledtiderna och frigöra produktionskapacitet för att bättre kunna bemöta behovet i Europa.

    Husqvarna bör använda båt som transportmedel av motorsågar. Flygtransport bör endast användas då stora variationer i efterfrågan förekommer och behov av produkter finns. Undersökningen motiverar en vidare kontroll av modellvariationen i USA då stockouts förekommer trots stora lagernivåer. Säkerhetslager kan inrättas för att skydda sig mot efterfrågevariationer under ledtiden, höja servicegraden samt skapa ett jämnare leveransflöde.

    Rapporten behandlar även en undersökning av möjligheten för Husqvarna att använda järnväg som transportmedel för vissa stora flöden inom Europa. Idag transporteras det mesta inom Europa med lastbil och med tanke på allt hårdare miljökrav vill nu Husqvarna utreda möjligheten att använda ett miljövänligare transportmedel och samtidigt öka lönsamheten i transportverksamheten. Med hänsyn till godsvolym valdes fyra transportflöden ut som sedan analyserades ur kommunikationsmöjlighets-, kostnads- och ledtidsperspektiv. Undersökningar har även genomförts angående trender och utveckling av transportermedlen inom Europa.

    Analysen visar att det finns potential för Husqvarna att använda järnväg som ett lönsamt transportmedel.

  • 1127.
    Vestin, Alexander
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Automation och Standardisering2015Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
  • 1128.
    Vestin, Alexander
    et al.
    Jönköping University, School of Engineering.
    Sequeira Frank, Movin
    Jönköping University, School of Engineering.
    Expected and Achieved Outcomes of Reshoring: A Swedish Perspective2017Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Purpose: Over the last couple of decades, globalization has impacted market competition. This results in that companies heavily offshore to low-wage countries to enhance its competitiveness through lower costs. Offshoring constitutes relocation of manufacturing activities to other existing manufacturing sites in foreign countries. In recent years, low-wage countries have grown and developed. Studies show that low cost environments are increasing in cost, eliminating the benefits of offshoring. This phenomenon has sparked a new trend, ‘reshoring’- to bring back manufacturing to the home country, which has been acknowledged by both researchers and practitioners. The trend has become more distinct due to the increasing numbers of cases where companies that previously offshored manufacturing activities are returning them to the home country. The research done on reshoring focuses mainly on a “why” perspective, with drivers that cause reshoring and barriers that prevent them. However, research concerning the outcomes of what a company expected from reshoring and what they achieved afterwards is limited, especially in the high cost environment of Sweden. The purpose of this study is to explore the expected and achieved outcomes of the reshoring process through a multiple case study including four companies from Sweden that have reshored manufacturing back to Sweden.

    Method: The method used in this thesis was a systematic literature review to gain knowledge of the phenomenon. With the help of the systematic literature review an interview guide was created to assist in the data collection. This thesis used a multiple case study, the data was collected through semi-structured interviews and documents. The findings were analyzed within each case, cross-case, and in comparison to literature.

    Findings: To analyze the outcomes on the same premises, the researcher had to create a framework. All the outcomes from the literature were categorized based on firms’ operational and competitive capabilities namely cost, quality, delivery, flexibility, service, innovation, environment, culture, risk mitigation, reputation and trust, and government legislations. It was found that all the case companies had a successful reshoring process and all their expected outcomes were achieved. However, in comparison to the expected outcomes found in the literature, the companies expected less from reshoring. The companies were unaware of the full extent of reshoring, since their expectations were limited. The most expected outcome of reshoring, found in all the cases and in theory were: to decrease total cost, increase delivery speed, increase reputation and trust, and use the comfort of the home culture. A thorough analysis of achieved outcomes, in case and in literature, showed that all the case companies have achieved lower total cost, increased delivery speeds and higher reputation and trust. On comparing all the achieved outcomes in case and in literature it is evident that researchers have studied the process of reshoring from a why and theoretical perspective, aside from the effects after the reshoring, which this thesis has accomplished. A comparison between expected and achieved outcomes of all the case companies collectively, showed that they have achieved lower costs, higher quality, better service and higher reputation and trust, beyond what they expected.

    Implications: Reshoring back to Sweden would bring back more manufacturing jobs and encourage further local sourcing within the country. Strategical collaboration within the supply chain in the home country would make companies more responsive to customer demand. Geographically, the literature lacks case studies from Sweden, therefore, this thesis will contribute to theory by presenting successful reshoring case studies from Sweden

  • 1129.
    Vogel, K
    et al.
    KTH Royal Institute of Technology.
    Karltun, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Eklund, J
    KTH Royal Institute of Technology.
    Engkvist, I-L
    KTH Royal Institute of Technology.
    Improving meat cutters' work: Changes and effects following an intervention2013In: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126, Vol. 44, no 6, p. 996-1003Article in journal (Refereed)
    Abstract [en]

    Meat cutters face higher risks of injury and musculoskeletal problems than most other occupational groups. The aims of this paper were to describe ergonomics changes implemented in three meat cutting plants and to evaluate effects related to ergonomics on the individual meat cutters and their work. Data was collected by interviews, observations, document studies and a questionnaire (n = 247), as a post intervention study. The changes implemented consisted of reducing knife work to a maximum of 6 h per day and introducing a job rotation scheme with work periods of equal length. Tasks other than traditional meat cutting were added. A competence development plan for each meat cutter and easy adjustment of workplace height were introduced. The questionnaire showed a reduction in perceived physical work load. In general, the changes were perceived positively. Figures from the company showed a positive trend for injuries and sick leave.

  • 1130.
    Vogel, Kjerstin
    et al.
    Skolan för teknik och hälsa, KTH.
    Karltun, Johan
    Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Eklund, Jörgen
    Skolan för teknik och hälsa, KTH.
    Ergonomic changes and their consequences in a Swedish meat cutting plant2010In: Proactive Ergonomics - implementation of ergonomics in planning of jobs, tasks, systems and environments, 2010Conference paper (Other academic)
  • 1131.
    Vogel, Kjerstin
    et al.
    KTH Royal Inistitute of Technology.
    Karltun, Johan
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Eklund, Jörgen
    KTH Royal Inistitute of Technology.
    Skarp: Ett utbildningsmaterial i att hålla en kniv vass2014Report (Other academic)
    Abstract [sv]

    Ett praktiskt inriktat utbildningsmaterial för utbildning av knivanvändare i styckningsverksamhet och annan liknande industriell verksamhet.

  • 1132.
    Vogel, Kjerstin
    et al.
    KTH, Ergonomi.
    Karltun, Johan
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Yeow, P.H.P.
    Monash University, Malaysia.
    Eklund, Jörgen
    KTH, Ergonomi.
    Increased work pace is unprofitable: A beef-cutting case study2015In: Meat Science, ISSN 0309-1740, E-ISSN 1873-4138, no 105, p. 81-88Article in journal (Refereed)
    Abstract [en]

    The beef industry worldwide is showing a trend towards increased cutting pace aimed at higher profits. However, prior research in the duck meat industry suggested that a higher cutting pace reduced quality and yield, leading to losses. This study aimed to test this hypothesis by investigating the effects of varying beefcutting paces on yield, quality and economy. A field experiment was conducted on six workers cutting beef fillet, sirloin and entrecôte. Three types of paces were sequentially tested: Baseline (i.e., status quo), ‘Quantity focus’ (i.e., pace required to maximise quantity) and ‘Quality focus’ (i.e., pace required to minimise errors). The results showed a significant drop in yield, increased rate of quality deficiency and economic losses with the change to‘Quantity focus’ (from Baseline and ‘Quality focus’) for all meat types. Workers supported these results andalso added health problems to the list. The results confirmed that an increased cutting pace is unprofitable.

  • 1133.
    Vogel, Kjerstin
    et al.
    KTH, Ergonomi (Stängd 20130701).
    Karltun, Johan
    Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Åström, Peter
    KTH, Ergonomi.
    Stay sharp2014In: Human Factors in Organizational design and Management: Xi Nordiv Ergonomics Society Annual Conference, Copenhagen 2014 / [ed] O. Broberg, N. Fallentin, P. Hasle, P.L. Jensen, A. Kabel, M.E. Larsen, T. Weller, Nordic Ergonomics Society, 2014, p. 429-434Conference paper (Refereed)
    Abstract [en]

    Meat cutters’ work is physically demanding and is performed mainly with thehand held tool of a knife. The aim of this paper is to report experiences of how researcherstogether with three companies of different size and character developed and carried out aneducation program in maintaining knife sharpness for meat cutters. It describes the processof developing an educational program suited for the business and discusses the outcome.

  • 1134.
    Wadekar, Pooja
    et al.
    Linköping University, Department of Management and Engineering, Division of Machine Design, Linköping, Sweden.
    Gopinath, Varun
    Linköping University, Department of Management and Engineering, Division of Machine Design, Linköping, Sweden.
    Johansen, Kerstin
    Linköping University, Department of Management and Engineering, Division of Machine Design, Linköping, Sweden.
    Safe Layout Design and Evaluation of a Human-Robot Collaborative Application Cell through Risk Assessment - A Computer Aided Approach2018In: Procedia Manufacturing, E-ISSN 2351-9789, Vol. 25, p. 602-611Article in journal (Refereed)
    Abstract [en]

    Risk assessment is a sequential process which requires understanding the hazards and analyzing risks associated, to determine required safety measures, like safeguarding to mitigate the risks to an acceptable level. In this article a thorough task-based risk assessment process is conducted in the early stage of layout design and building of a collaborative cell for sealing application performed in aircraft industries using a medium sized industrial robot system integrated with safety control functions. This article will also discuss how simulation could contribute in eliminating the threats as required by the safety standards before investing in equipment for collaborative cell layout.

  • 1135.
    wadman, christoffer
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Videfors, Karin
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Jämförande studie av lackpenselns form i förhållande till målarens ergonomi2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    A comparative study on existing shafts of the paint brush has been carried out within this thesis project. The comparative analysis was performed regarding ergonomics and how the design of the shaft in terms of shape affects the user. By looking at several shafts with different designs, product design can be linked to the user and increase the possibilities for a good working environment through a better tool. A central part of the work is the case study conducted to investigate the target audience using brushes for everyday use, namely the painters. The painters’ grip and movement pattern could be mapped through observation. Movement patterns were analysed in relation to the different shapes on the brushes to study possible relationships between shape and ergonomics. The observation was followed by an evaluation where the painters evaluated the shapes of different brush shafts. The evaluation was carried out by the painters, who were to estimate the different brush shafts as better, equal or worse than the study's reference object. In this way, the subjective experience of the painters could be captured. In order to verify the observed results and to supplement the study with objective measurements, an experiment was also conducted in a movement laboratory. Through the experimental study, differences in the movements of the painter and the amount of muscle activity in the use of the various forms could be recorded. The conclusion reached by the study is that the movement pattern of the painters, in terms of ergonomics, is not affected by the shape of the brush shaft. This is proven by the results from both the observation and the measurements that were made during the motion analysis. Some variation could be seen in the motion analysis, but these deviations were so small that no direct conclusions could be drawn. Neither could the study prove any major differences in the amount of muscle activity between the different forms of the brushes. It may be possible to assume that the muscle of the thumb was activated somewhat more when using one of the brushes. However, this result is uncertain and must be investigated and analysed more thoroughly before any conclusion can be drawn. Regarding the painters’ grips, the observation in the study gave clear answers. Roughly 90% of the time, the painters choose to use the thumb grip when handling the paintbrushes. Despite this lack of difference in both measurement data and observation, the painters themselves felt that the different shapes provided different conditions for better or worse ergonomics. This shows that there is a difference and that the painters themselves can more easily describe this difference than technology or an observer can. One of the brush shafts included in the study was estimated by all painters in the focus group as better than the reference object. Two other brush shafts in the study were estimated, by four out of five painters, to also be better than the reference object. The conclusion is therefore that three of the types of bush shaft studied excels and are appreciated more based on ergonomic aspects of the study´s focus group. However, before the results can be generalized, a more extensive study needs to be carried out on a larger focus group.

  • 1136.
    Wakéus, Max
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Larsson, Emma
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    New generations Tools by ADDitive manufacturING: Energi- och kostnadsanalys ur tillverkningsperspektiv2015Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Syfte – Syftet med examensarbetet är att studera om det finns miljömässiga och kostnadsmässiga fördelar att övergå till additiv tillverkning, 3D-printning, när det kommer till tillverkning av pressgjutningsverktyg. Studien har gjorts på en jämförelse mellan ett laboratorie försök samt den verkliga produktionen.

    Metod – En jämförelse av ett additivt tillverkat och ett traditionellt tillverkat pressgjutningsverktyg görs utifrån en förenklad livscykelanalys sett ur energiperspektiv samt tillverkningskostnad.

    Resultat – Jämförelsen leder till att påvisa vilken tillverkningsmetod som är mest miljö- och kostnadsmässigt korrekt att välja. Under studien har det visat att den traditionella tillverkningsmetoden är både mer miljövänlig och kostnadseffektiv jämfört med den additiva tekniken. Resultatet speglar ett specifikt laboratorie försök jämfört med traditionell tillverkning som har utvecklats och prispressats genom under en mångårig industri historia.

    Implikationer – Resultatet kan uppmuntra till vidare studie där den mest effektiva tekniken används. Det vill säga en uppföljningsstudie där den planerade tekniken kan förbättras från denna studie och ge ett annorlunda resultat.

    Begränsningar – Eftersom detta är en liten del i ett större projekt, ADDING, som i sin tur är en förstudie för eventuell fortsatt forskning, är analysen avgränsad till de delar i processen för framtagning av ett pressgjutningsverktyg som skiljer sig åt. Studien har valts att fokusera på energiförbrukningen samt tillverkningskostnad. Datainsamlingen har begränsats något av att tekniken är förhållandevis ny samt att tillgången till databaser varit begränsad.

  • 1137.
    Warensjö, Marcus
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Frimodig, Johannes
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Effektivisering av materialhantering och lagerstyrning inom sjukvården2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 1138.
    Wejde, Simon
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Wibeck, Pierre
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Utvärdering och konstruktion av SVIA:s standardmaskin FeedLine2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report describes an bachelor thesis work which is performed in cooperation with SVIA that develops and sells automation solutions for the manufacturing industry. The thesis purpose was to evaluate the machine FeedLine to find opportunities for improvement in the product’s design that could lead to more standardization and thus improving the efficiency of manufacturing and assembly.

    Based on these basic issues suggestions for improvements were developed:

    How can the design of FeedLine be improved to facilitate the assembly?

    Can more standardization be imposed on FeedLine’s design to enable more stocking of standard components?

    An initial pre-study was conducted to evaluate FeedLine’s to find opportunities for improvement in its overall design. During the pre-study staff at SVIA and two of its clients was interviewed. Based on information gathered during the interviews and observations by the authors improvements was amendments. The proposed improvements that has been carried out in the thesis work were selected together with the client.

    The authors established their own criteria for the selected proposals for improvement since there were no product design specifications from the client. The criteria were based on the functions that was considered important for the selected improvements. Based on the criteria concepts were established with brainstorming and morphology, advantages and disadvantages lists were established to facilitate the elections of concept. The elections has been performed with Go/No-Go where the concepts were pitted against the criteria that had been established. The concepts has been further developed with CAD models which have been established in Creo Parametric. Conceived manufacturing and assembly have been analyzed for the further developed concepts to be based upon in the final election of concepts. The final concepts were elected with feasibility studies performed together with the supervisor at SVIA. The authors chose to elect the final concepts together with the supervisor at SVIA to generate solutions that the company may have use for.

    The thesis work has resulted in four design improvements for FeedLine’s included parts that had been developed. An improvement work was performed on the vision tripod’s design that resulted in that a module with an integrated solution for mounting of the camera were developed. This, together with a splitting solution that was developed for the vision tripod led to that more standardization can be introduced and the number of variants can be reduced.

    A standard mount for filter regulators was also selected to be developed because there were no standard mount for filter regulators. The result was a standard mount that is fast to mount and produce. The authors chose to hand over two final concepts with two different locking functions that the client may evaluate with prototypes.

    Using the design improvements that have been performed on FeedLine, more standardization has been introduced resulting in that it has become possible to stock more standard parts of FeedLine. The design improvements has also resulted in higher efficiency of the manufacturing and the assembling.

  • 1139.
    Wendelin, Emma
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Hallberg, Emil
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Omplacering av MDU2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report aims to describe the work of a bachelor thesis with a major in product development at Saab. The bachelor thesis is to improve one of Saabs existing products called MIT, short for “Moving Infantry Target”. MIT is used all around the world in harsh environment with high standards. MIT consists of one of Saabs other product SIT, short for “Stationary Infantry Target”, mounted on a trolley. SIT is a standard product of Saab but has to be modified before being mounted on MIT. The modification consists of the MDU, short for “Motor driving Unit”, and is a circuit board for controlling the electric engines located on the MIT trolley. The thesis aims to relocate the MDU from inside the SIT to the MIT trolley and still fulfill the requirements of the MIT. One important requirement is that all products need to have IP classification 67. IP classification is a standard measurement on how water and dust proof a product is.

    To fulfill the requirements a protective box for MDU was developed. During the process there was some question in focus. Where should the box be located? Which manufacturing and materials should be used? How should the cable go inside the box and at the same time have IP classification 67? This was the basis for the work when developing the concepts. Two concepts were created in total. The first concept is about the location and how to attach MDU with the protective box. Next step concept is about how the lid will be attached and the cable lead-through.

    A 3D model was created using the winning concepts and from that 3D model a prototype was created. The prototype was manufactured with a 3D printer. 

  • 1140.
    Wesslén, Jacob
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Exoskeleton exploration: Research, development, and applicability of industrial exoskeletons in the automotive industry2018Independent thesis Advanced level (degree of Master (Two Years)), 80 credits / 120 HE creditsStudent thesis
    Abstract [en]

    The purpose of this thesis is to explore the subject of industrial exoskeleton in accord-ance to the applicability of the technology preventing musculoskeletal disorders within the automotive industry. The modern technology of exoskeletons has a limited field of research and knowledge and is in need to be studied to provide organisations with proper findings for understanding the applicability of the technology. In the auto-motive industry musculoskeletal disorders (MSDs) is one of the most common disor-ders among employees and industries work constantly to decrease and prevent MSDs within their work environments. By conducting literature reviews, the status of exo-skeleton research and development concluded that academic research mostly focuses on technological development of exoskeletons, and not laboratory and/or field testing of currently available industrial exoskeletons. However, through database and website searches, twenty-four available industrial exoskeletons were identified which could be applicable within the automotive industry. Through literature and a case illustration, a number of potential causes for MSDs within the automotive industry were identified and a framework was developed in order to match appropriate available industrial ex-oskeleton to be used in potentially preventing common MSDs. The discussion of the thesis highlights the benefits and challenges of implementing an industrial exoskele-ton within an industry. Proper research on the currently available industrial exoskele-tons is lacking and creates questions of reliability for the technology. However, devel-opment of industrial exoskeletons have shown to focus on prevention of the most common causes of MSDs within industries in their design and development, making the applicability of industrial exoskeletons highly possible.

  • 1141.
    Westbroek, Alexander
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Hardling, Niklas
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Studie av interntransporter vid SKF Göteborg2016Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    SKF Gothenburg is planning on a restructuring of their production area and sees this as an excellent opportunity to update and make their internal logistics more efficient. This thesis suggests how a more efficient internal logistics can be achieved with higher fill ratios and minimal environmental impact. Also resource savings linked to the internal material handling will be reviewed.

    To carry out properly informed and substantial improvements a field study in form of surveys, interviews and forms have been completed. The result is a current status analysis where potential areas of improvement have been clarified. The driving schedules have carefully been reviewed and modifications have been made to meet the demands and requirements set by the company.

    The study has resulted in updated driving schedules that take account of the restructured production area whilst meeting the productions daily requirements. A more efficient transport logistics with better use of resources have been achieved through increased fill ratios and reduced truck transportation outside, this with a minimal impact on the environment. The driving schedules, which the project resulted in, have high flexibility. Due to the constant changes that take place in the production area the driving schedules should rather be considered as a basis to further develop, than a finished result.

    The low amount of data available at the project's start-up required an own field study that resulted in own primary data. The reliability of the generated data had benefited if more time was available, a larger time frame for data collection had led to a broader and deeper understanding of the internal logistics. Despite the projects short time frame, the result is considered to be reliable.

    The conclusion is that with a good knowledge of how a company's internal transport flows look, minor changes can lead to big differences in terms of reduced environmental impact, more efficient internal transports and resource savings.

  • 1142.
    Widfeldt, Magnus
    et al.
    Swerea IVF.
    Elgh, Fredrik
    Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Computer Supported Engineering Design.
    Kilbo, Per
    Swerea IVF.
    An Improved Quotation Process within Manufacturing SMEs as Part of a Strategy for Growth2008In: 2008 Proceedings of Swedish Production Symposium, November 18 - 20, 2008, Stockholm, Sweden., Stockholm: Swedish Production Academy , 2008Conference paper (Refereed)
    Abstract [en]

    This paper is generally focusing on the customer and supplier relation in a product creation perspective. The work has specifically been performed together with a metal working SME, and a main customer to this company. Four criterias for a long term succesful relationship and business success was stated from the beginning of the project: In house efficiency; Openness in the chain of suppliers; Co-operative product development and Precision of quotation. Those four areas are all covered in case studies, in close relations to the SME. The problems to combine close relationships and competitive business between customer´s and suppliers are discussed in the paper. A specific task in the project has been to create a demonstrator, a prototype quotation generator for the SME. The goal for the demonstrator was to increase precision and decrease lead times in the quotation process. An evaluation prooves that this is possible, and the demonstrator will stepwise be implemented in the SME. During the project, the SME has had a significant growth. Investments in automation and 3D CAD are made. The project is funded by Vinnova and the companies involved.

  • 1143.
    Wikman, Tom
    et al.
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Krogell, Mathias
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Blinkande markör2017Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report presents a thesis performed by two students at Jönköping University in the field of Mechanical Engineering, Product Development and Design. The task has been carried out on the behalf of the company NPB Automation. The task aims to develop a new generation of marker to the industry for lid handling with respect to beverage can-related products.

    Materials selection, design of marker and the electronic circuit has been the main focus of the work. The industry of today regarding automation is a growing industry where development and efficiency is constantly happening. This work has contributed to increase the efficiency of handling the substantial number of lids that are being processed today.

    The report addresses a further development from the already existing marker of the company which is used when two different types of beverage can lids are changed. The work was initiated with a pilot study which contained gathering data by performing literature research. The pilot study was done to identify important parameters for the products design. These parameters were the foundation for generating different concepts where an elimination matrix later was used for choosing a winning concept. The final decision of the concept was done in consultation with NPB Automation.

    This concept underwent some changes throughout the process of the report but the main focus was to design the electronic circuit so that it fits in the marker without much change of its original dimensions. At the end of the work with NPB Automation a design proposal on the marker had been developed using CAD-modeling as well as manufacturing documentation with blueprints and a BOM-list.

  • 1144.
    Wikner, Joakim
    et al.
    Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Bäckstrand, Jenny
    Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Strategiska frikopplingspunkter och samverkan i försörjningskedjor2010In: PLANs Forsknings- och tillämpningskonferens 2010: Efterfrågedrivna försörjningskedjor / [ed] Sandor Ujvari, Stockholm: Logistikföreningen PLAN , 2010, p. 111-122Conference paper (Other academic)
    Abstract [sv]

    Ledning och styrning av försörjningskedjor kräver en god överblick över kedjornas grundläggande strukturella egenskaper och över hur samverkan mellan olika aktörer i kedjorna formeras. Fundamentala egenskaper ur detta perspektiv är hur verksamhetens processer är strukturerade och ur vilken utgångspunkt de är definierade. För att säkerställa att processer genomförs endast då ett behov är identifierat är det viktigt att fokusera på centrala processdrivare i flödet. Förutom att avgöra vad som initierar en process är det också viktigt hur, och av vilken aktör, processen planeras och styrs. Om en aktör har full kontroll över processen kan processen betecknas som styrbar ur den aktörens perspektiv men om den ligger utanför aktörens kontroll så kan den på motsvarande sätt beteckna som ostyrbar. Beroende på vilken aktör som styr en process och om samma eller en annan aktör genomför processen så skapas olika förutsättningar för utformning av hur dessa aktörer samverkar. Traditionellt har den typen av frågor, kopplat till leverantörssamverkan, behandlats inom inköpsstrategin. För att illustrera hur produktions- och inköpsstrategi kan knytas närmare varandra exemplifieras detta med hur den välkända Kraljic-modellen kan integreras i ett processbaserade ramverket med hjälp av fokus på ordervinnare.

  • 1145.
    Wikner, Joakim
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Bäckstrand, Jenny
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Johansson, Eva
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Customer-differentiated triadic interaction based on decoupling points2017In: Journal of Global Operations and Strategic Sourcing, ISSN 2398-5364, Vol. 10, no 2, p. 185-205Article in journal (Refereed)
    Abstract [en]

    Purpose

    The integration of supply chains together with the disintegration of individual actors in the supply chain shifts the focus from actors to challenges in the interaction between actors. This paper sets out to identify risk strategies for different supplier interactions in triadic configurations, in order to outline supply strategies.

    Design/methodology/approach

    Companies participating in a research project recounted the challenges they faced regarding the integration of customer order-based management and supply from a triad perspective. Six triad configurations were identified, based on the literature, resulting in three risk strategies, which were empirically illustrated in practice by the participating companies.

    Findings

    A key finding is that a triad perspective for a customer-differentiated approach to supplier interaction results in a material classification that highlights the circumstances in which to apply ‘balance efficiency’, ‘postpone’, ‘balance responsiveness’ and ‘speculate’ supply strategies.

    Research limitations/implications

    The research has focused on process drivers and controllability and the results may require careful interpretation when there is a mix of standardized and customized products since further interaction differentiation then may be required.

    Practical implications

    The strategies developed herein provide guidelines for differentiated supplier interaction with explicit focus on triads where customer actors directly influence supplier actors. This approach highlights how outsourcing must be carefully executed when supplier actors are involved in delivery to customer orders.

    Originality/value

    The paper sheds new light on how customer requirements impact supplier interaction in terms of decoupling points related to both delivery strategy and control strategy. The study also presents a novel application of the Kraljic matrix in in terms of risk strategies in different triad configurations.

  • 1146.
    Wikner, Joakim
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Tiedemann, Fredrik
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Production.
    Kundanpassning och variantspridning i termer av form, plats och tid2016Conference paper (Refereed)
    Abstract [sv]

    Intresset för olika typer av kundanpassning har tilltagit i och med att det blivit allt svårare att konkurrera med enbart pris om man inte har tillgång till lågkostnadsproduktion. Kundanpassning innebär vanligen att många varianter skapas. Kopplingen mellan kundanpassning och variantspridning är dock inte entydig och syftet här är att analysera denna relation. Utgångspunkten för analysen är de tre perspektiven form, plats och tid vilka utgör en plattform för flödesstrukturer med variantspridning. Genom tidsperspektivet så skapas en tydlig koppling till frikopplingstänkande.

  • 1147.
    Wikner, Joakim
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management. Jönköping University, School of Engineering, JTH. Research area Industrial Engineering and Management.
    Wong, Hartanto
    Naim, Mohammed
    Postponement based on the positioning of the differentiation and decoupling points2007In: Advances in Production Management Systems: International IFIP TC 5, WG 5.7 Conference on Advances in Production Management Systems (APMS 2007), September 17–19, Linköping, Sweden / [ed] Jan Olhager, Fredrik Persson, New York: Springer , 2007, p. 143-150Conference paper (Refereed)
    Abstract [en]

    Structural analysis of supply chains often involves postponement to some degree. The concept has received a lot of attention in the literature but the understanding of how to operationalize the concept still deserves some attention. A framework is introduced that provides an integrative picture of how different aspects of supply chain and operations management interplay in a postponement context. The framework is founded on a process/object perspective where a set of characteristics, properties and concepts are identified for each entity.

  • 1148.
    Wikström, Anders
    et al.
    Mälardalens högskola, Akademin för innovation, design och teknik.
    Jackson, Mats
    Mälardalens högskola, Akademin för innovation, design och teknik.
    Visualization in Reflective Practice - Support for Management2012In: Design Management Journal, ISSN 1942-5074, E-ISSN 1557-0614, Vol. 7, no 1, p. 62-73Article in journal (Refereed)
  • 1149.
    Wiktorsson, Magnus
    et al.
    Mälardalens högskola, Akademin för innovation, design och teknik.
    Bellgran, Monica
    Mälardalens högskola, Akademin för innovation, design och teknik.
    Jackson, Mats
    Mälardalens högskola, Akademin för innovation, design och teknik.
    Sustainable Manufacturing - Challenges and Possibilities for Research and Industry from a Swedish perspective2008Conference paper (Refereed)
  • 1150.
    Winogradoff, Theo
    Jönköping University, School of Engineering, JTH, Mechanical Engineering.
    Vatten Velociped Koncept2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
202122232425 1101 - 1150 of 1205
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