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Computer-Aided Manufacturing Planning (CAMP)of Mass Customization for Non-rotational Part ProductionYao, Suqin 16 December 2003 (has links)
"This research is aimed at studying the key technologies of Computer-Aided Manufacturing Planning (CAMP) of mass customization for non-rotational part production. The main goal of the CAMP is to rapidly generate manufacturing plans by using of the best-of-practice (BOP) provided by specific companies. A systematic information modeling hierarchy is proposed to facilitate changes in manufacturing plans according to changes in part design. The Object-oriented Systems Analysis (OSA) approach is used to represent information relationships and associativities in the CAMP. A feature-based part information model, a process model, a setup planning model, and manufacturing resource capability models are established. A three-level decision-making mechanism is proposed for the CAMP. At the feature- level, combined features are defined based on part families, and a process model is proposed to describe the information associativities between features and their manufacturing strategies, which include customized cutters and toolpaths. At the part level, graph-based setup planning is carried out by tolerance analysis and manufacturing resource capability analysis. At the machine level, multi-part fixtures are utilized to pursue high productivity. Cycle time is used to evaluate manufacturing plans. Computer software for the CAMP has been developed and integrated with CAD package Unigraphs. The BOP of part families is stored in XML format, which has good extendibility and can be read and edited by standard browsers."
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Strategies to Improve Data Quality for Forecasting Repairable Spare PartsEguasa, Uyi Harrison 01 January 2016 (has links)
Poor input data quality used in repairable spare parts forecasting by aerospace small and midsize enterprises (SME) suppliers results in poor inventory practices that manifest into higher costs and critical supply shortage risks. Guided by the data quality management (DQM) theory as the conceptual framework, the purpose of this exploratory multiple case study was to identify the key strategies that the aerospace SME repairable spares suppliers use to maximize their input data quality used in forecasting repairable spare parts. The multiple case study comprised of a census sample of 6 forecasting business leaders from aerospace SME repairable spares suppliers located in the states of Florida and Kansas. The sample was collected via semistructured interviews and supporting documentation from the consenting participants and organizational websites. Eight core themes emanated from the application of the content data analysis process coupled with methodological triangulation. These themes were labeled as establish data governance, identify quality forecast input data sources, develop a sustainable relationship and collaboration with customers and vendors, utilize a strategic data quality system, conduct continuous input data quality analysis, identify input data quality measures, incorporate continuous improvement initiatives, and engage in data quality training and education. Of the 8 core themes, 6 aligned to the DQM theory's conceptual constructs while 2 surfaced as outliers. The key implication of the research toward positive social change may include the increased situational awareness for SME forecasting business leaders to focus on enhancing business practices for input data quality to forecast repairable spare parts to attain sustainable profits.
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Amélioration des processus de prévision et de gestion des stocks dans le cas d'une chaîne logistique des pièces de rechange / The improvement of forecasting and inventory management processes in the case of spare parts supply chainLazrak, Adnane 02 December 2015 (has links)
Le cadre général des travaux de cette thèse est la chaîne logistique des pièces de rechange et particulièrement l’amélioration de sa performance en prévision et en gestion des stocks à plusieurs niveaux de service. La spécificité d’une demande faible et erratique ne permet pas l’utilisation des approches classiques de prévision. Par ailleurs, les mesures de performance associées reposant sur des indicateurs purement statistiques ne reflètent pas nécessairement les objectifs de gestion d’une chaîne logistique qui cherche à s’aligner avec différents niveaux d’exigence des contrats de maintenance. Après une description des processus et des outils en prévision et en gestion de stocks utilisés dans ce contexte, ces travaux proposent de nouvelles approches de sélection des méthodes de prévisions qui intègrent prévision et gestion de stocks, qui permettent la priorisation en service ou en inventaire et qui utilisent une segmentation par profil de la demande et par niveau de maturité des pièces. Par la suite, ces travaux considèrent le cas de la différenciation client dans le modèle de gestion de stocks basé sur des prévisions, en comparant la performance de la politique à niveau critique avec les politiques classiques à stock commun ou séparé. Chaque processus étudié a été accompagné d’une analyse comparative entre différentes méthodes de prévisions et politiques de gestion de stocks sur des données réelles du cas d’application industrielle de la chaine logistique de GE Healthcare. Ce qui a permis de construire un ensemble de recommandations en fonction de la segmentation de la pièce et des priorités des décideurs. / The main scope of these works is the spare parts supply chain management, particularly the improvement of forecasting and inventory management performance. The specificity of low and erratic demand does not allow the use of conventional approaches of forecasting. Moreover, the associated performance measurements, based on purely statistical indicators, are not adapted to this context. Indeed, it should align with different levels of expectations of the maintenance contracts. After a presentation of the processes and tools used by the dedicated literature. Here we propose new performance analysis approaches seeking to combine the statistical performance of forecasting methods and inventory management performance while considering decision makers priorities and using demand pattern as well as parts age segmentations. These works also address the use of customer differentiation in the inventory model based on forecasting, by comparing the performance of the critical level policy with the common stock and separated stock policies. Each studied process was associated with a comparative analysis of different forecasting methods and inventory management models based on real data of the spare parts supply chain of GE Healthcare, which allowed us to define a set of methods and parameters recommendations according to both part segmentations and supply chain priorities.
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Propuesta para reducir reclamos en el abastecimiento de repuestos de productos de línea blancaMoscoso Rios, Yves Igor, Alcántara Zanabria, Henry January 2015 (has links)
La presente investigación consiste en Proponer una Solución para Reducir los Reclamos en el Abastecimiento de Repuestos de Productos de Línea Blanca.
Para ello, se aplicó principalmente Métodos de Clasificación ABC, Diagramas de Análisis de Actividades, Distribución por Mezcla de Familias, Métodos de Pronósticos de la Demanda, entre otras herramientas de la Ingeniería Industrial.
Finalmente, se concluyó que al mejorar la Productividad del “Picking” (Sacado) y del Embalaje, al mejorar la Identificación y Reconocimiento Visual de los Repuestos y de los Espacios y al realizar una mejor Planificación de la Demanda, un adecuado Control del Inventario, una mejor Planificación del Abastecimiento, se reducirán los Reclamos en el Abastecimiento de Repuestos de productos de línea blanca.
The present research is to propose a solution to Reduce Claims in supply of spare parts Products Appliances.
To do this, we will mainly apply ABC classification methods, diagrams Analysis Activities, Distribution mix of families Methods demand forecast and other tools of industrial engineering.
Finally, it was concluded that by improving the productivity of the "Picking" (Taken) and packaging, improving the identification and Visual Recognition of parts and spaces and improving planning Demand with an adequate control of inventory and with a better supply planning, Claims will be reduced in the Supply of white goods´ spare parts.
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Smartare reservdelshantering : En studie som undersöker förändring av kostnad utan att sänka tillgängligheten vid en gemensam reservdelshantering för ett storskaligt produktionsföretag i SverigeStålhult, Felix, Lindqvist Bergh, Emil January 2020 (has links)
A functional spare parts management for a producing paper industry is a key to maintain an efficient production. A non functional component of a value-creating chain may lead to major financial losses. A downtime in a plant is normally costly and can amount to hundreds of thousands of swedish crowns. High stocks of spare parts will in turn generate high amount of tied up capital. A good way to reduce these inventory balances is to let facilities within the same geographical area have a pooling of identical spare parts. The purpose of this study is two-folded. First, through literature studies and interviews, find out what characteristics a spare part should fulfill to be suitable in a joint spare parts management. The second is to investigate, through practical studies, the value a joint management offers from an economic perspective. Interviews are conducted with key personnel for the spare parts management at each individual factory, all these over the telephone. The interviews are conducted so that the authors gain a deeper insight into how they collaborate today and get the respondent's views on future collaboration. The result from the literature study, what properties an article should have for use in a joint spare parts network are the following; high value, slow moving article, high process criticality and long delivery time from supplier. By applying poisson distribution and LCC analysis on twelve selected spare parts, the result shows that the case company can save up to SEK 915,000 by implementing a joint spare parts management. / En fungerande reservdelshantering för en producerande pappersindustrianläggning är en av nycklarna för att bibehålla en effektiv produktion. När en värdeskapande kedja upphör att fungera kan det leda till stora ekonomiska förluster. Ett driftstopp i en anläggning är normalt sätt kostsamma och kan uppgå till hundratusentals kronor. Detta medför höga lagersaldon av reservdelar som i sin tur genererar till mycket bundet kapital. Ett bra sätt att få ner dessa lagersaldon är att anläggningar inom samma geografiska area har en gemensam reservdelshantering för identiska reservdelar. Syftet med denna undersökning är tvådelat. Det första är att genom litteraturstudier och intervjuer upprätta ett underlag för att identifiera reservdelsartiklar att samarbeta med. Det andra är att påvisa vilken ekonomisk sparpotential som finns vid en gemensam reservdelshantering. Intervjuer genomförs med nyckelpersoner för reservdelshanteringen på varje enskilt bruk. Intervjuerna genomförs för att författarna ska få en djupare insikt i hur de samarbetar idag samt få respondenternas synpunkter på framtida samarbete. Resultatet utifrån litteraturstudien har medfört att de egenskaper en artikel bör inneha för att användas i ett gemensamt reservdelsnätverk är följande; högt ekonomiskt värde, låg omsättningshastighet, hög processkritikalitet samt lång leveranstid från leverantör. Genom att använda poissonfördelning och LCC-analys på tolv stycken artiklar blir resultatet att fallföretaget kan spara 915 000 kr vid implementering av gemensam reservdelshantering.
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Hodnocení ekonomické situace zvolené soukromoprávní korporace pomocí vybraných metod a návrhy na její zlepšení / Assessment of the Economic Situation in the Choosen Private Corporation Using the Selected Methods, Proposals and Recommendations for its ImprovementSedláčková, Michaela January 2018 (has links)
The object of this master´s thesis is to analyse economic situation in the company Agroroservis s.r.o. by used methods. External and internal structure of the company as well as the financial situation is judged gradually. The last part of the master´s thesis is decided suggestion, which can help to improve actual conditions.
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Mezinárodní standardy účetního výkaznictví versus česká úprava dlouhodobého majetku / International Financial Reporting Standards versus Czech amendment to long-term assetsPospíšilová, Iva January 2008 (has links)
The master´s thesis deals with long-term assets. It contains analysis of differences in appreciation of the long-term assets between czech accounting legislation and international accounting standards IFRS/IAS, and succesive application of ascertained differences into the corporate enterprise with the target to find out the impact on trading income.
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Řízení nákupu a zásob / Purchasing and Inventory ManagementBartošková, Sylvie January 2013 (has links)
Purpose of this thesis is to create strategies based on market analyses for optimized inventory management in area of small batch production and enforce meaning of the supply chain marketing within KLM company. This thesis providing ABC analysis, new system developed for efficient identification of the parts and suppliers. Based on these analyses new quotation system for spare parts management has been proposed.
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Podnikatelský plán pro projekt Vrakotechna.cz / Business Plan for the Project Vrakotechna.czBartáková, Veronika January 2014 (has links)
The thesis focuses proposal business plan for company Esponex s.r.o., which wants to enter the market with used spare parts for cars as a mediator. The purpose is proposal business plan for project Vrakotechna.cz and successful launch of new intermediary services on the market. The thesis contains a theoretical part, an analysis of the current state and proposal business plan. The theoretical part discusses the basic terms related to business plans. The analytical part focuses on introduction of the company, its mission, analysis of the market, where the company operates and also includes an analysis of target customer, the company surroundings, competition and SWOT analysis. The aim is to proposal a business plan, particularly marketing and financial plan.
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Effektivisering av reservdelsflödet mellan OEM och centrallager : En fallstudie om materialflödet av reservdelar mellan tillverkande företags originaltillverkare (OEM) och centrallager / Streamlining the flow of spare parts between OEM andcentral warehouseEricsson, Mathilda, Eriksson, Viktor January 2023 (has links)
Syfte - Sjunkande marginaler hos primärprodukter har riktat ökad uppmärksamhet mot den lönsamma reservdelsverksamheten. Det finns dock utmaningar kring flödet av reservdelar, bland annat i) teoretiskt gap kring flödet av reservdelar, ii) behovet att effektivisera flöden av reservdelar, och iii) avsaknad av praktisk arbetsprocess. Med bas i dessa utmaningar har studiens syfte formulerats till ”Att utforma en arbetsprocess för effektivare materialflöde av reservdelar mellan OEM och centrallager för tillverkande företag”. Genom att identifiera och analysera effektivitetsvariabler som påverkar flödet av reservdelar, har en praktiskt tillämpbar arbetsprocess skapats för att effektivisera försörjningskedjan och fylla kunskapsgapet inom området. Metod - Denna studie är av typen enfallsstudie, som undersöker materialflödet av reservdelar och arbetsprocesser inom logistik. Data samlades in genom intervjuer och dokumentstudier för att identifiera effektivitetsvariabler. Studien kombinerar teori och empiri för att erhålla djupare förståelse av fallet och strävar efter att dra slutsatser och ge insikter som kan tillämpas inom logistikområdet i allmänhet. Resultat - Resultatet av studien redovisas en arbetsprocess som har utformats för att effektivisera materialflödet av reservdelar mellan OEM och centrallager. Genom att ha identifierat effektivitetsvariabler har studien prioriterat de variablerna med störst förbättringspotential. En arbetsprocess har utvecklats med konkreta förslag på förbättringar för att minska avstånd, kostnader och ledtider till centrallagret. Resultaten ger insikter om hur materialflödet kan effektiviseras mellan OEM och centrallager hos tillverkande företag. Implikationer - Resultatet av studien fyller kunskapsgapet genom att undersöka reservdelsflödet och dess koppling till effektivisering av försörjningskedjor. Genom att ha identifierat effektivitetsvariabler bidrar studien till ökad förståelse för hur företag kan effektivisera hanteringen av reservdelar. Studien adresserar viktiga utmaningar inom reservdelsförsörjningen genom att erbjuda praktiska lösningar och insikter till beslutsfattare för att skapa effektiva materialflöden. I studien har en arbetsprocess skapats, vilket kan hjälpa företag att effektivisera dess reservdelsflöden och undvika onödig resursförbrukning. Resultatet av studien kan fungera som en vägledning för företag som strävar efter att förbättra sitt materialflöde av reservdelar och öka sin övergripande effektivitet. Begräsningar - Studiens begränsningar är att enbart en enfallsstudie har utförts. Dessutom behandlas endast det materialflöde uppströms mellan OEM och centrallager som utgörs av det utvidgade försörjningskedjan. Därav undersöks inte materialflödet nedströms mot slutkund. / Purpose - Falling margins in primary products have directed increased attention to the profitable spare parts business. However, there are challenges around the flow of spare parts, including i) theoretical gap around the flow of spare parts, ii) the need to streamline the flow of spare parts, and iii) lack of practical work process. Based on these challenges, the purpose of the study has been formulated as "To design a work process for more efficient material flow of spare parts between OEM and central warehouse for manufacturing companies". By identifying and analyzing efficiency variables that affect the flow of spare parts, a practically applicable work process has been created to streamline the supply chain and fill the knowledge gap in the field. Method - This study is of the single-case study type, which examines the material flow of spare parts and work processes in logistics. Data were collected through interviews and document studies to identify efficiency variables. The study combines theory and empiricism to obtain a deeper understanding of the case and aims to draw conclusions and provide insights that can be applied within the field of logistics in general. Findings - The result of the study is a work process that has been designed to streamline the material flow of spare parts between the OEM and the central warehouse. By having identified efficiency variables, the study has prioritized those variables with the greatest potential for improvement. A work process has been developed with concrete proposals for improvements to reduce distance, costs, and lead-times to the central warehouse. The results provide insights into how the material flow can be made more efficient between the OEM and the central warehouse of manufacturing companies. Implications - The result of the study fills the knowledge gap by examining the flow of spare parts and its connection to the efficiency of supply chains. By having identified efficiency variables, the study contributes to increased understanding of how companies can streamline the handling of spare parts. The study addresses important challenges in spare parts supply by offering practical solutions and insights to decision makers to create efficient material flows. In this study, a work process has been created, which can help companies to streamline their spare parts flows and avoid unnecessary resource consumption. The result of the study can serve as a guide for companies that strive to improve their material flow of spare parts and increase their overall efficiency. Limitations - The study's limitations are that a single case study has been carried out. In addition, only the upstream material flow between the OEM and the central warehouse that constitutes the extended supply chain is treated. As a result, the material flow downstream towards the end customer is not investigated.
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