403,913 research outputs found

    Perancangan Value Stream Mapping Proses Produksi Mainan Kayu pada CV. Mk

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    CV. MK merupakan salah satu industri kecil menengah (IKM) yang memproduksi mainan kayu. Seperti pada industri kecil menengah lainnya, CV. MK ini mempunyai tujuan untuk menghasilkan keuntungan yang optimal dengan meningkatkan efisiensi dan fokus untuk minimalisasi pemborosan yang terjadi pada keseluruhan proses produksi. Salah satu metode yang dapat digunakan dalam mengeliminasi waste adalah pendekatan Lean Manufacturing dan salah satu tools-nya yaitu value stream mapping. Pada penelitian ini, penulis melakukan pengambilan data setiap stasiun kerja yang ada pada proses produksi mainan kayu. Melalui data tersebut, penulis dapat mengidentifikasi Current State Map yang menunjukkan keadaan atau kondisi aktual yang terjadi pada lantai produksi mainan kayu. Selanjutnya dilakukan analisis jumlah waktu value added dan non value added dalam produksi mainan kayu. Besar value added adalah 564 detik, non value added sebesar 95.45 detik, dan total waktu produksi sebesar 659.45 detik. Berdasarkan data waktu siklus yang sudah ada dapat diketahui bahwa total waktu yang dibutuhkan untuk membuat satu unit mainan kayu adalah 564 detik. Available Time pada Perusahaan ini untuk melakukan produksi adalah sebanyak 21600 detik

    Development of computerize value stream system

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    Value stream mapping (VSM) was initially developed to use of the suite of tools to help researcher or practitioner to identify waste in individual value streams and find an appropriate method to its removal. The process itself is simple and straightforward is used to identify waste using lean manufacturing technique, determined causes of the waste through the value stream mapping method and to propose solution to improve workplace environment. In this project is made an attempt to computerize the process though the application of VSM. Computerize value stream system is basically a method which is an internet networking system combining traditional concept of value stream mapping method to be used at manufacturing company to reduce wastes. This paper summarizes the way to develop an internet, online and network based of an efficient computerize value stream system to improve operation value of the manufacturing company. This paper reviews the design of package that will replace the manual method of doing VSM. This package will be applied in a real shop floor environment

    Value stream mapping for software development process

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    Includes bibliographical references

    Therblig-embedded value stream mapping method for lean energy machining

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    To improve energy efficiency, extensive studies have focused on the cutting parameters optimization in the machining process. Actually, non-cutting activities (NCA) occur frequently during machining and this is a promising way to save energy through optimizing NCA without changing the cutting parameters. However, it is difficult for the existing methods to accurately determine and reduce the energy wastes (EW) in NCA. To fill this gap, a novel Therblig-embedded Value Stream Mapping (TVSM) method is proposed to improve the energy transparency and clearly show and reduce the EW in NCA. The Future-State-Map (FSM) of TVSM can be built by minimizing non-cutting activities and Therbligs. By implementing the FSM, time and energy efficiencies can be improved without decreasing the machining quality, which is consistent with the goal of lean energy machining. The method is validated by a machining case study, the results show that the total energy is reduced by 7.65%, and the time efficiency of the value-added activities is improved by 8.12% , and the energy efficiency of value-added activities and Therbligs are raised by 4.95% and 1.58%, respectively. This approach can be applied to reduce the EW of NCA, to support designers to design high energy efficiency machining processes during process planning

    Sustainability-oriented application of value stream mapping: a review and classification

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    Notwithstanding the research on refining lean tools for the sake of sustainable development is slowly progressing, sustainability-oriented application of value stream mapping has received undivided attention from practitioners and researchers. Going through the literature highlights that there is a lack of research in integrating and systematizing the available knowledge on this lean tool, which is regarded as a visual process-based method to make sustainable progress over the time-based and green concepts of wastes to also assess and improve the societal sustainability performance of organizations. Hence, this paper has been aimed at presenting the findings of a systematic literature review on value stream mapping from the triple bottom line point of view. It classifies and codes the main studies in the context as well as provides a research agenda with nine recommendations that may advance this under-studied field. To narrow the gap in the current literature, this article also proposes a sustainability indicator set that would considerably contribute to guiding and strengthening the state-of-the-art research on successful implementation of the application. Besides, the findings indicate that more investigations are needed on employing survey and conceptual methodologies, applying comparative and cross-industry perspectives, developing sustainability indicator sets particularly societal metrics, and considering the stakeholders' benefits from adopting sustainability-oriented value stream mapping. The research on the convergence of this sustainability-oriented application and new paradigms such as IR 4.0 and/or Circular Economy should be also strengthened

    PENERAPAN KONSEP LEAN SERVICE UNTUK MENGURANGI WAKTU TUNGGU PELAYANAN PEMBUATAN KTP ELEKTRONIK (STUDI KASUS : KANTOR CATATAN SIPIL - JANTHO, KAB. ACEH BESAR)

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    Kantor Catatan Sipil merupakan kantor pelayanan publik khususnya pelayanan pembuatan KTP elektronik. Proses pelayanan di Kantor Catatan Sipil masih mengalami pemborosan, untuk mengurangi pemborosan tersebut dengan menggunakan konsep lean service dan 5 why. Value Stream Mapping (VSM) merupakan salah satu tools dari konsep lean service yang bertujuan untuk menggambarkan aliran proses pelayanan mulai dari pemohon datang sampai memperoleh KTP elektronik. Konsep DMAIC dijadikan sebagai improvement pada pelayanan sehingga terbentuk kerangka dalam menganalisa pemborosan dengan tahapan yang digunakan yaitu define, measure, analyze, improve, dan control. Usulan perbaikan yang diberikan berdasarkan analisa pada current value stream map sehingga menjadi proses pelayanan menjadi lebih baik. Waktu proses pelayanan pembuatan KTP elektronik current value stream diperoleh sebesar 32,02 menit sedangkan waktu pelayanan pembuatan KTP Elektronik Future state sebesar 25,89 berhasil mengurangi waktu sebesar 6,13 menit.Kata kunci: Lean service, value stream mapping, 5 why, DMAIC, KTP elektronik

    The Remote Site Doctrine in Alaska

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    In recent years, software development has been evolving around an Agile way of working to optimize software development processes. Simultaneously in other industries, the Leanconcept have been adopted and used to make manufacturing and production of services more efficient. Software development companies has now started to realize that in order to become competitive in software delivery they need to optimize the entire end-to-end process and not only improve the development phase. Thus, an increased interest for Lean thinking has appeared in the industry. Applying Lean successfully in a software development context is not an easy task. This since Lean is developed for and by the manufacturing industry its content is also dependent on the characteristics of this context. Thus, it is not applicable to other contexts without being adjusted. Though, literature argues that when the content of Lean is properly adjusted to nature of the relevant context it can contribute with the same benefits as in manufacturing. However, the literature lack in studies on how Lean can be successfully applied in nonmanufacturing contexts. This study aims to contribute to this knowledge gap by adjusting and applying Lean tools in software development context in order to make the end-to-end processmore time- and resource-efficient. This will be made through a case study at a software development department at a Swedish Information and Communications Technology (ICT) Company. This department develops software components that work as building blocks of the product sold to the end customer. More specifically, these components contribute with functionality that enables communications between the nodes in a network. The review of the existing body of knowledge together with an analysis of the company specific problems indicates that the most sufficient tool to apply in this case study Lean implementation is Value Stream Mapping (VSM). Hence, the study focuses on adjusting the Value Stream Mapping framework to this new context in order to visualize the entire value flow and make improvements aligned with Lean. The adjustments of VSM are underpinned by relevant findings from previous research together with an analysis of the differences between manufacturing Lean and software development Lean. The study shows that it is possible to reasonably adapt and benefit from Value Stream Mapping also in the context of an ICT Company. The outcome of the study is an overview of the current value flow at the company and suggestions on how, where and what improvements can be made. Though, all improvement suggestions evolve around the aim of improving the flow efficiency and eliminating waste by improving the communication, standardization, synchronization, resource allocation and developing proper measurements. The conclusion is that Lean is applicable in the particular software development context with some necessary adjustments made to fit the current way of working and value offering. The usage of Lean tools such as Value Stream Mapping is possible, also here adjustments are a must and the VSM shows that the current state is better in providing a base for improvements than the future state map. This since improvements in this context is not always visualized and captured in the future state map, but the future map contribute to a vision for the valuestream to aim towards. Key words: Lean, Agile, Value Stream Map, Software development, Flow, Waste, Managemen

    Waiting times in design process: a case study

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    This research focuses on identifying waiting times in design process. This comprised the application of value stream mapping to identify existing flows and design waiting times. From this diagnosis, it was possible to propose recommendations reducing identified waste of time. This study demonstrates the viability of using the value stream mapping and to improve the architectural design process

    Reducing Production Lead Time Through Value Stream Mapping

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    This research addresses the application of lean manufacturing concepts to the discrete production sector of a metal fabrication company in Malaysia. The goal of this research was to investigate the application of lean manufacturing tools to reduce production lead time for a dedicated product family. This study is applied to a small metal-based manufacturing company (referred to as ABC). Root-cause analysis based on behavioral and informational factors was developed for seven waste indicators to identify the waste in managerial-level stage. Value Stream Mapping (VSM) is prescribed as part of the lean production portfolio of tools and has been applied in a variety of industries to identify lean tools to try to eliminate the waste. VSM was used to first map the current state in order to realize the current production lead time and to identify sources of wastes at the worker-level stage. Then a future state map was developed using lean tools and techniques and answering the eight questions stated by Rother and Shook (1999). The future state map identifies the reduced production lead time based on lean concept. Two detailed simulation models using system modeling corporation’s Arena 7 package was developed. The current state simulation verifies the current production lead time from current state map and the future state simulation which was developed based on the future state map quantifies reduction of production lead time. It is concluded that using Value Stream Mapping (VSM), the production lead time of 200 units of ‘back plate indoor’ reduced from less than 15 days in current state map to less than 9 days in future state map. Also, the simulation shows that production lead time reduction to eight days could be accomplished at ABC if lean tools are utilized. Comparing the production lead time of eight days in simulated model and less than nine days in Value Stream Mapping (VSM) showed that VSM is a reliable tool for production schedule and estimating production lead time in lean production system
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