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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Využití odpadního tepla z prádelenského provozu / Waste heat recovery in a laundry care process

Križan, Andrej January 2014 (has links)
Main purpose of this thesis is to explain the issue of waste heat from broader point of view. It´s substantial part therefore deals with various available methods of waste heat utilization and their analysis. Large part of the thesis is devoted to description and usage of heat exchangers, heat pumps and thermal energy storage. The main theme of the thesis is the use of waste heat from industrial laundry room. It also introduces the process of the professional maintenance service along with its specifications and parameters of waste streams from washing machines. Main goal of the practical part of the thesis is to design equipment which could be used to store waste heat from washing machines. This equipment is designed to be used for specific process in NETME Centre laboratory. In conclusion, thesis addresses the propposed equipment from the energetical and economical point of view.
2

Optimalizace činností techniků specialistů při zavádění pilíře PM WCM / The Optimization of Company Activities of Technician‘s Specialists Through PM WCM‘s Pillar Implementation

Živěla, Roman January 2011 (has links)
This master’s thesis deals with the determination of conditions and the proposal of appropriate instruments within the World Class Manufacturing system (WCM), mainly its pillars Professional Maintenance (PM), in order to remove, with the assistance of subsequent analysis, all the waste which occurs in the enterprise and consequently to appropriately optimise the activities of staff, especially the specialized engineers.
3

Autonomt underhåll av lyftverktyg vid lastarmontering / Autonomous maintenance of lifting tools for loader assembly

Wu, Christy January 2022 (has links)
Totalt produktivt underhåll (TPM) är ett arbetssätt med åtta delaspekter, som fokuserar på att underhålla och förbättra produktionen. Autonomt underhåll (AM) är en av de åtta pelarna och är en underhållsstrategi där maskinoperatörer utför grundläggande underhållsuppgifter samt kontinuerligt kontrollerar sina egna maskiner. Vid arbete med lyftverktyg bör alla komponenter och funktioner kontrolleras regelbundet för att minimera riskerna. Daglig tillsyn är ett lagkrav i många länder, och i Sverige ingår det i Arbetsmiljöverkets föreskrifter AFS 2006:6 30 §, som anger att lyftverktyg ska underhållas och kontrolleras dagligen. Det är lämpligt att genomföra en daglig tillsyn vid början av varje arbetsskifts. Hos Ålö AB saknades rutiner och riktlinjer för hur lyftverktygen som används för montering av frontlastare skall optimalt underhållas, samt instruktioner för det löpande underhållet av lyftverktygen. Syftet med projektet var att höja säkerheten på arbetsplatsen, förebygga ohälsa och olyckor, upptäcka underhållsbehov så tidigt som möjligt samt att öka operatörernas kompetens och kunskap om lyftverktyg. Målet med projektet var att ta fram en instruktion för operatörernas underhåll av lyftverktyg på monteringen av frontlastare. Projektet genomfördes genom faktainsamling, framtagning av olika koncept över process, utvärdering av koncept samt framtagning av ett slutligt koncept.  Den fastställda arbetsrutinen i det slutliga konceptet innebär att daglig tillsyn ska utföras vid olika områden i monteringen. Arbetssättet kombinerar analogdokumentation av den dagliga tillsynen på pappersblanketter med digital efterbearbetning. / Total Productive Maintenance (TPM) is an approach with eight sub-aspects, which focuses on maintaining and improving production. Autonomous maintenance (AM) is one of the eight pillars and is a maintenance strategy, where machine operators perform basic maintenance tasks and continuously check their own machines. When working with lifting tools, all components and functions should be checked to minimize the risk for accident. Daily supervision is a legal requirement in many countries, and, in Sweden, it is included in the Swedish Work Environment Authority's regulations AFS 2006: 6, section 30, which states that lifting tools must be maintained and checked daily. It is advisable to carry out a daily inspection at the beginning of each shift. Ålö AB lacked routines and guidelines for how the lifting tools used for mounting loaders should be optimally maintained, as well as instructions for the ongoing maintenance of the lifting tools. The purpose of the project was to increase safety in the workplace, prevent ill health and accidents, detect maintenance needs as early as possible, and to increase operators' skills and knowledge of lifting tools. The aim of the project was to produce an instruction for the operators' maintenance of lifting tools on the installation of loaders. The project was carried out through fact-finding, development of various concepts over the process, evaluation of concepts and development of a final concept. The specific work routine suggested in the final concept is based on daily inspections must be carried out at various locations in the assembly department. The working method combines analogue documentation of the daily supervision of paper forms with digital post-processing.

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