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Literatura académica sobre el tema "CMMS"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 1 de agosto de 2024

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Artículos de revistas sobre el tema "CMMS"

Mahlamäki, Katrine y Marko Nieminen. "Analysis of manual data collection in maintenance context". Journal of Quality in Maintenance Engineering 26, n.º 1 (6 de marzo de 2019): 104–19. http://dx.doi.org/10.1108/jqme-12-2017-0091.

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Purpose The purpose of this paper is to identify details of technological, organizational and people (TOP) factors affecting maintenance technicians’ use of computerized maintenance management systems (CMMS) in manual collection of asset data. Design/methodology/approach In addition to TOP factor details, results from six case studies in Finland, India and the Caribbean are presented. Interviews and observations clarify the role of TOP factors in CMMS use in industrial maintenance. Findings In total, 17 detailed TOP factors are identified and criteria for analyzing CMMS contexts with them are defined. Analyzing the cases with these factors reveals that technicians who collect good quality data have received good training and instructions for the CMMS, are competent, and understand how manually collected data benefits them in their own work. However, even these sites struggle with the usability of the CMMS. Research limitations/implications The 17 TOP factors and the criteria for CMMS evaluation extend understanding on context and usability in manual data collection. Case study method does not imply the relative importance of the TOP factors, which calls for future research using quantitative methods. Practical implications Management can use the criteria to analyze the context of manual data collection for improvements, e.g., in CMMS usability. Originality/value Insights from industrial environments and a new way of studying contextual factors of CMMS use are presented. The results extend a data quality research framework with details to manual data collection and define the TOP factors in CMMS context.

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Febrihartina, Siti Sarah, Walidatush Sholihah y Budi Irawan. "Pembuatan Modul User Dan Master Data Pada Aplikasi CMMS Berbasis Web di PT Bit Maker Automation". Jurnal Sains Terapan 9, n.º 1 (3 de junio de 2019): 1–16. http://dx.doi.org/10.29244/jstsv.9.1.1-16.

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ABSTRACT CMMS (Computerized Maintenance Management Systems) is a web-based application that manages the maintenance schedule of machines and tools in the industry. The CMMS application created at PT Bit Maker Automation is named Bitems. The user and master data module in the CMMS application is one of the features to manage application user data and vendor data at the company. The methodology for making CMMS applications is the Prototype methodology and there are two iterations. The programming language used is PHP and Javascript, and using the CodeIgniter with the concept is HMVC. There is one access right in making user and master data modules, namely engineering leader as admin. In making user and master data modules in the CMMS application, the application can manage user , user menu, user role, and vendor data. In addition, the application provides features to group users and menus in a group, and can upload pdf on vendor features. ABSTRAK CMMS (Computerized Maintenance Management Systems) merupakan aplikasi berbasis web yang mengelola jadwal pemeliharaan mesin dan alat pada industri. Aplikasi CMMS yang dibuat pada PT Bit Maker Automation diberi nama Bitems. Modul user dan master data pada aplikasi CMMS menjadi salah satu fitur untuk mengelola data user aplikasi dan data vendor pada perusahaan. Metodologi dalam pembuatan aplikasi CMMS yaitu metodologi Prototipe dan terdapat dua iterasi. Bahasa pemrograman yang digunakan adalah PHP dan Javascript, serta menggunakan framework CodeIgniter dengan konsep HMVC.Terdapat satu hak akses pada pembuatan modul user dan master data , yaitu engineering leader sebagai admin.pada pembuatan modul user dan master data pada aplikasi CMMS yaitu aplikasi dapat melakukan pengelolaan user, menu user, role user, dan data vendor. Selain itu, aplikasi menyediakan fitur untuk mengelompokkan user dan menu dalam sebuah group, serta dapat mengunggah pdf pada fitur vendor.

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Amorim, ES, EGM Silva y AC Lordsleem JR. "Current Overview of CMMS Operationality: Brazilian Scenario". International Journal of Business Administration 14, n.º 4 (16 de enero de 2024): 66. http://dx.doi.org/10.5430/ijba.v14n4p66.

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Currently, the impacts of Industry 4.0 are observed in the construction industry, commonly referred to as Construction 4.0, emerging linked to technological innovations. Construction 4.0 presents a standardized model for smart cities and buildings, with the existence of some important points being essential, such as the capacity for adaptation, improvement and efficiency of resources and connections for everyone involved. As a result, new technologies and applications have been emerging that directly impact building maintenance activities, enabling increased efficiency and productivity in this sector, which reduces the risk of errors, failures and defects by maintenance managers. One of these applications is the use of computerized maintenance management systems (CMMS), which is a software solution designed to simplify building maintenance processes, in addition to improving the management of organizations' assets. In this sense, the present work aims to evaluate the CMMS available in the Brazilian scenario, showing the current panorama in which this technology has been presented to the market. To this end, we carried out a survey of the CMMS used by Brazilian maintenance companies using the snowball method to list the CMMS to be analyzed. The research carried out in 16 maintenance companies identified 9 CMMS, which were evaluated using the method proposed by Roscoff; Costella; Pilz (2020), which evaluates CMMS functionalities and activities. As a result, the sample analyzed presents heterogeneity in the results linked to CMMS functionalities and activities. In short, the registration items, a basic function, were met by all CMMS analyzed. However, advanced functions that are linked to the principles of Industry 4.0, such as interoperability, virtualization, real-time and service orientation, present disparities in results. Because among the nine CMMS evaluated, only three reached the levels proposed in the methodology.

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Dong, Chensong, Chuck Zhang, Ben Wang y Guoxiong Zhang. "Prediction and Compensation of Dynamic Errors for Coordinate Measuring Machines". Journal of Manufacturing Science and Engineering 124, n.º 3 (11 de julio de 2002): 509–14. http://dx.doi.org/10.1115/1.1465435.

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Coordinate measuring machines (CMMs) are already widely utilized as measuring tools in the modern manufacturing industry. Rapidly approaching now is the trend for next-generation CMMs. However, the increases in measuring velocity of CMM applications are limited by dynamic errors that occur in CMMs. In this paper, a systematic approach for modeling the dynamic errors of a touch-trigger probe CMM is developed through theoretical analysis and experimental study. An overall analysis of the dynamic errors of CMMs is conducted, with weak components of the CMM identified with a laser interferometer. The probing process, as conducted with a touch-trigger probe, is analyzed. The dynamic errors are measured, modeled, and predicted using neural networks. The results indicate that, using this mode, it is possible to compensate for the dynamic errors of CMMs.

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Abu Bakar, Zulazhan y Syahrul Nizam Kamaruzzaman. "FACILITY MANAGER’S ACCEPTANCE OF CMMS IN MALAYSIA: AN EXPLORATORY STUDY USING PLS-SEM APPROACH". Journal of Surveying, Construction & Property 14, n.º 1 (28 de junio de 2023): 83–93. http://dx.doi.org/10.22452/jscp.vol14no1.7.

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Computerised Maintenance Management System (CMMS) is a widely recognised software in Facilities Management (FM) that provides numerous advantages to facility managers by enhancing productivity at work. The objective of this research is to provide insight and assess the factors influencing the acceptance of CMMS among facility managers in Malaysia. As a result, an improved comprehension of CMMS technology acceptance can be formed, as well as a better understanding of other FM technology adoption. Multiple factors influence CMMS acceptance, and this study used a quantitative technique to verify the hypothesis, using the Technology Acceptance Model (TAM) in conjunction with a Partial Least Square-Structural Equation Model (PLS-SEM). In addition, 125 facility managers completed an online survey that was utilised to collect primary data. The quantitative and structural models were analysed using PLS-SEM. Based on the study's findings, perceived usefulness (PU) and perceived ease of use (PEOU) have a favourable impact on behavioural intention (BI), which influences actual usage (AU) of CMMS. The research aims to improve awareness of the degree of acceptance of CMMS among facility managers and to contribute to FM organisations' better understanding of future technology adoptions.

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Chen, Long, Tingting Ren, Lei Tao, Jun Xiong y Chunyan Gu. "Discussion on Fast Calibration Method of Coordinate Measuring Machine". Journal of Physics: Conference Series 2206, n.º 1 (1 de febrero de 2022): 012001. http://dx.doi.org/10.1088/1742-6596/2206/1/012001.

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Abstract This article presents a novel design of a device with simple structure, convenient operation and stable performance for fast calibration of coordinate measuring machines (CMMs). The purpose of the design is aiming at the solving the problems of long timeconsuming, high cost and high requirements for calibration personnel during the traditional calibration process of CMMs. The technical specifications of the designed calibration device complies with ISO 10360-2-2009 Geometrical Product Specifications (GPS)-Acceptance and reverification tests for coordinate measuring machines (CMM)-Part 2: CMMs for measuring linear dimension and ISO 10360-5-2020 Geometrical Product Specifications (GPS)-Acceptance and reverification tests for coordinate measuring machines (CMM)-Part 5: Coordinate measuring machines (CMMs) using single and multiple stylus contacting probing systems using discrete point and/or scanning measuring mode. The device can complete the calibration of the CMMs quickly, obtain the size error and probing error of the CMM in a short time, and provide data support for users to determine whether the CMM meets the application requirements.

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Weber, Peter. "Intelligente Instandhaltung". VDI-Z 163, n.º 04 (2021): 34–36. http://dx.doi.org/10.37544/0042-1766-2021-04-34.

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Computerized Maintenance Management Systems (CMMS) gestalten Instandhaltung im komplexen Fertigungsumfeld hocheffizient. Hier kann der Anlagenbau punkten: Hardware mit integrierten CMMS-Features und standardisierten Schnittstellen sorgt für eine beispiellose Symbiose zwischen Hersteller und Betreiber.

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Liu, Weicong, Qianwen Yan, Chen Xia, Xiaoxiong Wang, Abhinav Kumar, Yan Wang, Yiwei Liu, Ying Pan y Jianqiang Liu. "Recent advances in cell membrane coated metal–organic frameworks (MOFs) for tumor therapy". Journal of Materials Chemistry B 9, n.º 22 (2021): 4459–74. http://dx.doi.org/10.1039/d1tb00453k.

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In the presented perspective, the synthetic method, characterization, and research progress in tumor therapy based on CMMs have been summarized. Also the prospects and challenges of utilizing CMMs for tumor therapy have been discussed.

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Vo, Cang Trong, Bich Ngoc Vu, Thien Minh Doan y Dung Anh Vo. "APPLICATION OF COMPUTERIZED MAINTENANCE MANAGEMENT SYSTEMS (CMMS) FOR SERVICE FLEET". Science and Technology Development Journal 14, n.º 4 (30 de diciembre de 2011): 65–73. http://dx.doi.org/10.32508/stdj.v14i4.2009.

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In the increasingly competitive environment, professional maintenance plays increasingly important role in the formation and implementation of business strategy. Media, expressed Management System Computerized Maintenance (CMMS) has helped improve efficiency and effectiveness in the maintenance of professional and technical equipment. CMMS contributed from navigation maintenance and troubleshooting passive to active status. Although only a part of resource planning system of the enterprise (ERP) but CMMS has an important contribution in the application of Strategic Maintenance Service Upgrade and thereby contribute to building competitive advantage business

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Wieczorek, Andrzej. "Assessment of usefulness of CMMS class system for Industry 4.0 enterprise". Scientific Papers of Silesian University of Technology. Organization and Management Series 2023, n.º 182 (2023): 557–71. http://dx.doi.org/10.29119/1641-3466.2023.182.33.

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Purpose: The purpose of the article is recognition of the possibility of using CMMS class systems in supporting maintenance in the conditions of the implementation of the Industry 4.0 concept. Design/methodology/approach: The above-mentioned purpose was achieved as well by examining the opinions of employees of the selected company as the mathematical formula for CMMS social assessment. Findings: During the conducted research, it was found that there is a need to use CMMS class systems as a tool in the area of maintenance in an Industry 4.0 enterprise. It can be deduced from the ratings given by the employees of the researched company to these systems. There is also a need for further research and development of this topic as well as for providing appropriate training and support for employees for effective using CMMS class systems. Research limitations/implications: The article shows the method of social evaluation of a technical solution which is a CMMS class system. Such a system may be implemented if the results of such an assessment are verified on the basis of data on maintenance activities of a technical, economic, organizational or environmental nature. Therefore, it is justified to continue research in the mentioned area using indicators and measures of the maintenance effectiveness (KPI, OEE, measures/indicators of reliability of machines, devices and systems), as well as methods and techniques of their simulation and forecasting in the discussed area. Practical implications: The indicator for social evaluation can be used at the stage of selection, purchase of a CMMS class system of a production or service company or when carrying out comprehensive or partial changes in its information structure, ending with the implementation of a selected system of this class. Social implications: Conducting a research using the method proposed in the article among the company's employees may convince them that the introduced changes are justified and beneficial for themselves, the company and its environment. Originality/value: The article has a cognitive and application value, because it proposes the use of the original set of questions contained in the survey, as well as the original evaluation indicator of the CMMS class system. Keywords: exploitation, maintenance, management, CMMS, Industry 4.0. Category of the paper: research paper.

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Más fuentes

Tesis sobre el tema "CMMS"

Nocella, Ilaria. "Computerized Maintenance Management System: the AHP Method applied to the selection of a CMMS vendor". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Il presente elaborato nasce dalla necessità di sviluppare una metodologia per la selezione e la scelta del Computerized Maintenance Management System (CMMS) che meglio si adatta alle necessità aziendali. Le innumerevoli funzionalità di un CMMS possono fornire una rilevante serie di benefici, a partire dall’aumento della sicurezza e della produttività del lavoro, passando per un netto miglioramento nella qualità dei processi e dei manufatti, fino ad arrivare ad una cospicua crescita del ritorno economico. L’impresa può godere a pieno di tali vantaggi solo se in grado di determinare chiaramente le proprie esigenze, quindi identificare, acquisire ed implementare il software CMMS più adeguato a sodisfarle. Per supportare l’azienda nel raggiungimento di tale decisione si è scelto di applicare l’Analytic Hierarchy Process (AHP), tecnica di supporto alle decisioni multicriterio utile ad affrontare problemi complessi che prevedono il confronto di diverse alternative attraverso molteplici criteri. Grazie all’utilizzo del software Expert Choice è stato possibile impiegare il metodo AHP per selezionare un CMMS tra quattro opzioni disponibili, quindi attraverso una doppia applicazione del modello, effettuata con variazioni nel numero di alternative e criteri considerati, si è giunti ad una soluzione finale. In conclusione dell’intera analisi, l’elaborato fornisce alcuni suggerimenti specifici riguardanti l’applicazione della tecnica AHP e propone delle riflessioni sulla conformità del risultato ottenuto e sull’essenzialità dell’intervento umano nella valutazione dello stesso.

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Teke, Onur Ahmet. "Investigation of Modularization of Measurement Programs for CMMs". Thesis, KTH, Industriell produktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-118639.

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Coordinate measurement machines (CMMs) are used to control whether workpieces meet customers’ need or not. Creating measurement programs for CMMs takes long time and companies try to find a way to decrease the time for preparation processes. The aim of this thesis work is to investigate the measurement processes of products within Sandvik Coromant AB in Gimo, Sweden and to focus on the preparation of modularized measurement programs. The main goal is to study measurement processes in the company, and to find and recommend different alternatives for modularization of measurement programs of products so that time and energy can be saved. In order to understand the current measurement processes in the company with its gaps and risks and also to be able to find further possible improvements, many interviews, meetings and a questionnaire have been made. Employees’ opinions and ideas about modularization of measurement programs have been collected. Three different cases about modularization of measurement programs have been presented in the thesis work. The first case is about the actual situation in the company. The gaps and risks which have been observed and collected have been presented. The second case focuses on modularization of today’s insert seats into two pieces: insert seat module and pre-stress module. The third case focuses on the feasibility of dividing the insert seats into much smaller modules. In the conclusion part, all three cases and all work which has been done during the thesis are presented. Last but not least, some further research subjects are shown on the recommendation part.
Koordinatmätmaskiner (CMMs) används för att kontrollera om produkterna möter kundernas behov eller inte. Att skapa mätprogram för CMMs tar lång tid och företagen försöker hitta sätt att minska tiden för förberedelseprocesser. Syftet med detta examensarbete är att undersöka mätprocesser av produkterna inom Sandvik Coromant AB i Gimo, Sverige och att fokusera på förberedelserna av modulariserade mätprogram. Det huvudsakliga målet var att studera mätprocessen i företaget, samt att ta reda på och rekommendera olika alternativ för modularisering av mätprogram för produkter för att på så sätt kunna spara tid och energi. För att förstå de aktuella mätprocesserna i företaget med brister och risker och även att kunna ta reda på ytterligare möjliga förbättringar, har många intervjuer, möten och ett frågeformulär gjorts. Medarbetarnas åsikter och idéer om modularisering av mätprogrammen har samlats in. Tre olika fall om modularisering av mätprogram presenteras i examensarbetet. Det första fallet handlar om den nuvarande situationen i företaget. De brister och risker som har observerats och samlats in presenteras. Det andra fallet fokuserar på modularisering av dagens skärläge in i två delar som skärlägesmodul och förspänningsmodul. Det tredje fallet fokuserar på möjligheten att dela upp skärlägen i mycket mindre moduler. I slutsatsen sammanfattas alla tre fallen och allt arbete som har gjorts varvid resultat och slutsatser presenteras. Sist men inte minst, visas på några ytterligare forskningsfrågor i rekommendationsdelen.

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Glarner, Anna y Ali Alsyouf. "A model for selecting a computerized maintenance system : -A case study". Thesis, Växjö University, School of Technology and Design, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-1533.

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The purpose of this master thesis is to develop a model for selecting a computerize Maintenance Management

system CMMS. A literature survey for finding relevant theories using database Emerald was performed. The aim

of the model is to select the best CMMS and it is a general model that could be used by any company to take the

right decision for selecting the CMMS.

In this thesis a case study has been performed for selecting the CMMS. The case company for this case study

was Hammarplast AB in Tingsryd which is part of HammarplastGruppen. Ten years ago Hammarplast use to be

very good in their preventive maintenance but since the production became more automatic and the people that

work with maintenance also work with production development their maintenance have come behind. That is

why Hammarplast are interested to have a CMMS that would help them to develop their maintenance

performance.

Four different CMMS (Movex, Dash vp, Tekla and Tribologen) has been analyzed by the authors. The choosing

of CMMS was wishes from the case company. From our analyses we recommend Tekla as a CMMS to be used

in the case company, since it satisfies the demand of the company by focusing on user friendly, cost, planning

and improvement. But before buying Tekla the case company should try to investigate Movex more carefully.

Syftet med examensarbetet är att utveckla en modell för att välja ett datorbaserat underhållssystem (CMMS). En

litteratur studie har utförts i databasen Emerald. Det är en generell modell som företag kan använda sig av och

modellen strävar efter att välja den bästa CMMS.

I detta arbete har en fallstudie utförts för att välja CMMS. Företaget som har används i fallstudien var

Hammarplast i Tingsryd, som tillhör HammarplastGruppen. För tio år sedan var Hammarplast mycket duktiga på

förebyggande underhåll men eftersom deras produktion blev mer automatisk och att personerna som arbetar

med underhåll också arbetar med produktutveckling så har underhållet kommer efter. Därför är Hammarplast

intresserade av att ha ett CMMS som hjälper dem utveckla deras underhåll.

Fyra olika CMMS (Movex, Dash vp, Tekla och Tribologen) har analyserats av författarna. Valet av dessa CMMS

var önskemål från företaget. Från analysen så rekommenderas Tekla som CMMS att använda i företaget,

eftersom det tillfredställer kraven från företaget med fokus på användarvänlig, kostnad, planering och förbättring.

Men innan anskaffning av Tekla bör en mer detaljerad utvärdering av Movex utföras.

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Illuminati, Michele. "L'introduzione di un computerized maintenance management system in un'azienda di produzione: il caso di Crown Aerosols Italia". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amslaurea.unibo.it/1024/.

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Claverley, James David. "Development and validation of a 3D vibrating contact probe for micro-CMMs". Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/14283/.

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The state-of-the-art in dimensional metrology in terms of accuracy and 3D measurement is the micro-co-ordinate measuring machine, or micro-CMM. Current manufacturing trends are inclined towards miniaturisation, and all developments in this area are dependent on the capabilities of dimensional metrologists. Currently, the main limiting factor in the advancement of co-ordinate metrology at the micrometre scale is the design, manufacture and resulting accuracy of contacting micro-CMM probes. With this in mind, this thesis describes the development of a novel 3D vibrating micro-CMM probe. The main contributions of this thesis are as follows. Firstly, the current state of contact probing at the micrometre scale is reviewed and a clear set of knowledge gaps are identied for developments in this area. Secondly, the concept of a novel 3D vibrating micro-CMM probe is introduced as the background knowledge for this thesis. The mechanical and electrical properties of this vibrating micro-probe are modelled, as well as its intended operation. The operational model of the vibrating microprobe focusses on the surface interaction forces that are prevalent when probing at the micrometre scale. Thirdly, the operation of the vibrating micro-probe is validated experimentally. Initially, the ability of the vibrating micro-probe to counteract the surface interaction forces is investigated. Other areas of validation are in the determination of the probing point repeatability, the linearity error, and isotropy of the probe. Finally, the intended operation of the probe is compared to current national and international specication standards and guidelines for the operation of CMM probes. This work is directly aimed at ensuring that the developed vibrating micro-probe is capable of operating in an industrial or commercial metrology environment. A detailed set of operating strategies are also developed for ecient use of the vibrating micro-probe. It is concluded that the developed vibrating micro-probe will be able to address the current needs of the micro-CMM community. It is also concluded that the vibrating micro-probe has the ability to operate in a non-contact mode, further increasing its usefulness.

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Malanga, Mario. "Applicazioni di tecniche di manutenzione programmata presso un'industria di lavorazione carni". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amslaurea.unibo.it/517/.

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Bonalumi, Simone. "Analisi e miglioramento delle pratiche manutentive: il caso SKF Seals Italy". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25080/.

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Negli ultimi decenni la sempre più crescente competitività dei mercati e la conseguente ricerca di miglioramento delle performance aziendali ha incentivato lo studio e l’analisi dei processi produttivi. In questo ambito la manutenzione degli impianti industriali gioca un ruolo fondamentale, acquistando quindi un crescente e motivato interesse da parte della comunità scientifica. Questo scenario ha favorito lo svilupparsi di numerose teorie e strategie che mirano a ottimizzare i principali attori della gestione della manutenzione; affidabilità degli asset e costi. Inoltre, la manutenzione è una funzione sempre più strategica anche in virtù del ruolo che ha nella gestione di fattori non prettamente produttivi, come la sicurezza, la tutela ambientale, il rispetto dei parametri di legge e la qualità. L’obiettivo principale di questo elaborato è definire un sistema di gestione della manutenzione standardizzato e volto al miglioramento continuo. Il punto di partenza è l’analisi della criticità delle varie attrezzature, questo permette di comprendere su quali macchinari è prioritario concentrare le risorse a disposizione. Per poi agire in modo organizzato avendo definito le “best practise”, promuovendo una sempre maggiore standardizzazione delle procedure. L’approccio da perseguire è quello integrato, focalizzato alla ricerca del miglioramento continuo delle performance, che si pone come obiettivo quello di migliorare la disponibilità delle attrezzature riducendo il numero di guasti. Partendo dalla necessità di riorganizzazione della manutenzione si è sviluppata una possibile applicazione della TPM, tale filosofia declinata e adattata alle esigenze del sistema produttivo SKF prende il nome di Maintenance Excellence. Verranno inoltre descritti altri strumenti complementari che abbinati alla TPM permettono di ottenere i migliori risultati, in particolare si vuole sottolineare l’importanza dell’utilizzo di software di supporto del tipo CMMS.

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Jamshidi, Jafar. "Accurate and rapid CAD modelling for reverse engineering applications : data integration of 3D laser scanners and conventional CMMs". Thesis, University of Bath, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436755.

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Barrios, Lambruschini Daniel Eduardo y Monteagudo Robert Erickson Espinoza. "Planificación y control de las actividades de empresas outsourcing de mantenimiento del sector gas natural mediante un CMMS". Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2015. https://hdl.handle.net/20.500.12672/8663.

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Publicación a texto completo no autorizada por el autor
Plantea una solución tecnológica para mostrar cómo con la tecnología, se puede mejorar el problema de la demora en la planificación de actividades, mejorando así el servicio brindado hacia sus clientes. Se presenta como una alternativa para las empresas outsourcing dedicadas a las actividades de mantenimiento de equipos industriales del sector gas natural a través de las TIC’s, para que ayude a mejorar la planificación de sus actividades, mantener informados a los encargados sobre las actividades de mantenimiento actuales y programadas, a la gestión de clientes y máquinas, gestión de repuestos y stock, y generar reportes para que sea de apoyo a la toma de decisiones de la empresa. Todo esto se alcanzará desarrollando un sistema de información basado en el modelo de un CMMS y empleando la metodología ágil AUP (Agile Uniffied Process) para su desarrollo. Esta solución podrá permitir a aquellas empresas outsourcing llevar una planificación más rápida de las actividades de mantenimiento y contar con la información deseada con rapidez.
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Fridholm, Victoria. "IMPROVE MAINTENANCE EFFECTIVENESS AND EFFICIENCY BY USING HISTORICAL BREAKDOWN DATA FROM A CMMS : Exploring the possibilities for CBM in the Manufacturing Industry". Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-39816.

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Purpose: Explore how historical data from a CMMS can be used in order to improve maintenance effectiveness and efficiency of activities, and investigate the possibilities for CBM in the manufacturing industry in the context of digitalization. Research questions: RQ1: To what extent could condition-based maintenance or other maintenance types being used in order to predict, prevent or in other way eliminate historical breakdowns/faults? RQ2: Which significance has an organization's degree of maturity to reduce the number of breakdowns? Method: A case study was performed at Volvo Construction Equipment Operations in Eskilstuna, who manufactures machinery for the construction industry. The case study was compiled in two phases. Phase one was a quantitative study where raw data were collected from a CMMS and tabulated in order to later perform in-depth analysis. Phase two was designed to collect information that generated a wider understanding of the research area, by performing interviews and observations. A literature study was performed to compare the empirical findings with peer-reviewed information to ensure the quality of the study. The data is compiled and analyzed with an abductive approach. The analysis was followed by a discussion of how the research findings could support identifying possibilities of different maintenance types in the future. Conclusion: The result showed that using historical breakdown data from a CMMS can be useful in order to identify organization’s current state and what possibilities different maintenance types have to decrease the number of breakdowns. To what extent the breakdowns can be decreased relies not only on the maintenance type but also an organizations maturity level. The case study´s result showed that by combining different maintenance types and increasing degree of maturity, Volvo could decrease the historical breakdowns with 86,5%. By only using CBM with current maturity level, 56% of the historical breakdowns could be predicted. However, to decide how many breakdowns that is cost-effective to prevent and precisely what maintenance type that should be used requires a cost analysis which this study is not covering.

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Libros sobre el tema "CMMS"

Wireman, Terry. Successfully utilizing cmms/eam systems. New York: Industrial Press, 2008.

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Billibon, Yoshimi y National Institute of Standards and Technology (U.S.), eds. Integrated vision and touch sensing for CMMs. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1997.

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Stojadinović, Slavenko M. y Vidosav D. Majstorović. An Intelligent Inspection Planning System for Prismatic Parts on CMMs. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12807-4.

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Bell, Pamela, David Jividen, Ted Melnick, Marc Gartenfeld y Emmy Tello. Guidance on Successful Computer Maintenance Management System (CMMS) Selection and Practices. Washington, D.C.: Transportation Research Board, 2015. http://dx.doi.org/10.17226/22103.

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Harvie, A. The intercomparison of three-dimensional measurements taken from coordinate measuring machines (CMMs). Luxembourg: Commission of the European Communities, 1985.

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Weyers-Faraj, Hildegard. Evaluation of the performance of CBDs and CMMS in the districts of Zomba and Machinga formerly trained by DHS Machinga and Zomba/Malawi (May-August 2003). Liwonde, Malawi: German Technical Cooperation District Health Services Machinga and Zomba, 2003.

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Land, Susan K. Jumpstart CMM/CMMI software process improvement: Using IEEE software engineering standards. Hoboken, N.J: Wiley, 2005.

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Baker, R. Jacob. CMOS. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470891179.

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Gakkai, Eizō Jōhō Media, ed. CMOS imēji sensa: CMOS image sensor. Tōkyō: Koronasha, 2012.

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Lee, Hakho, Robert M. Westervelt y Donhee Ham, eds. CMOS Biotechnology. Boston, MA: Springer US, 2007. http://dx.doi.org/10.1007/978-0-387-68913-5.

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Capítulos de libros sobre el tema "CMMS"

Dymond, Kenneth M. "Grundlegende Konzepte und Struktur des CMMs". En Xpert.press, 7–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-642-56399-7_2.

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Olsson, Christer, Ashraf Labib y Cosmas Vamvalis. "CMMS – Investment or Disaster? Avoid the Pitfalls". En Engineering Asset Lifecycle Management, 245–54. London: Springer London, 2010. http://dx.doi.org/10.1007/978-0-85729-320-6_29.

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Cao, Qing-Song, Jie Zhu, Zhi-Fan Gao y Guo-Liang Xiong. "Design of Integrated Error Compensating System for the Portable Flexible CMMs". En Computer and Computing Technologies in Agriculture IV, 410–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18369-0_48.

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Lehnert, Alexander, Hans Rosenberger, Ralf Müller y Marc Reichenbach. "More Efficient CMMs on FPGAs: Instantiated Ternary Adders for Computation Coding". En Applied Reconfigurable Computing. Architectures, Tools, and Applications, 275–89. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-42921-7_19.

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Stojadinović, Slavenko M. y Vidosav D. Majstorović. "Introduction and Review of Inspection Planning Methods". En An Intelligent Inspection Planning System for Prismatic Parts on CMMs, 1–31. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12807-4_1.

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Stojadinović, Slavenko M. y Vidosav D. Majstorović. "Ontological Knowledge Base for Integrating Geometry and Tolerance of PMPs". En An Intelligent Inspection Planning System for Prismatic Parts on CMMs, 33–54. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12807-4_2.

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Stojadinović, Slavenko M. y Vidosav D. Majstorović. "The Model for Inspection Planning of PMPs on a CMM". En An Intelligent Inspection Planning System for Prismatic Parts on CMMs, 55–74. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12807-4_3.

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Stojadinović, Slavenko M. y Vidosav D. Majstorović. "The Model of Probe Configuration and Setup Planning for Inspection of PMPs Based on GA". En An Intelligent Inspection Planning System for Prismatic Parts on CMMs, 75–93. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12807-4_4.

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Stojadinović, Slavenko M. y Vidosav D. Majstorović. "Ant Colony Optimisation of the Measuring Path of PMPs on a CMM". En An Intelligent Inspection Planning System for Prismatic Parts on CMMs, 95–113. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12807-4_5.

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Stojadinović, Slavenko M. y Vidosav D. Majstorović. "Experiment, Results and Concluding Remarks". En An Intelligent Inspection Planning System for Prismatic Parts on CMMs, 115–39. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12807-4_6.

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Actas de conferencias sobre el tema "CMMS"

Morse, Edward. "Issues in the testing of Portable Coordinate Measuring Systems (CMS)". En NCSL International Workshop & Symposium. NCSL International, 2014. http://dx.doi.org/10.51843/wsproceedings.2014.30.

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Historically, coordinate measuring machines (CMMs) are delivered to a room provided by the customer, with environmental controls (primarily temperature) that meet the CMM manufacturer's requirements. More sophisticated compensation methods and the use of advanced materials have led to the ability to place CMMs on the factory floor, but there are still environmental limits which must be satisfied in order for the CMM to perform as specified. Performance testing of CMMs follows (in general) the rubric that the error observed in a length measurement of a reference artifact must not exceed the CMM specification, provided the required environmental conditions are met. If we consider portable coordinate measuring systems (CMSs), such as articulating arm CMMs and laser trackers, the same general guidelines pertain to performance testing. There are, however, two differences in these instruments that introduce ambiguity with respect to the testing and calibration of these instruments. The first difference is that these instruments use an operator to perform measurements, where a CMM is computer controlled and largely independent of the operator. It is possible that an inexperienced operator may have difficulty in successfully completing a performance test of the instrument. If a technician representing the instrument manufacturer can successfully complete the test, is this adequate? Or must it be possible for any properly trained operator to achieve a successful result? The second difference in portable CMS is that . due to their portability . they are often sent to an offsite laboratory for performance testing and calibration. These offsite laboratories often have very good temperature control, performing the tests at 20 .C ™} 2.C, while the instruments are specified to perform at (for example) .5 .C to +40 .C. How then is the user able to be confident that the instrument will perform as designed in their own environment? What avenues are available to determine that the instrument continues to remain in conformance to the manufacturer specifications?

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Dong, Chensong, Chuck Zhang, Ben Wang y Guoxiong Zhang. "Dynamic Error Prediction and Compensation of Coordinate Measuring Machines". En ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1790.

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Abstract Coordinate measuring machines (CMMs) are already widely used as a measuring tool in the manufacturing industry. Fast probing is now the trend for next generation CMMs. However, increases in the measuring velocity of CMMs are limited by dynamic errors that occur in CMMs. In this paper, theoretical analysis and experimental research is used to create a systematic approach for modeling the dynamic errors of a touch-trigger probe CMM. First, an overall analysis of the dynamic errors of CMMs is given, and methods to improve the stiffness of air bearings are presented. Weak elements of the CMM are identified with a laser interferometer. The probing process, as conducted with a touch-trigger probe, is analyzed and dynamic errors are measured. Based on these analyses, the dynamic errors in touch-trigger probing are modeled using neural networks. In turn, dynamic errors are predicted. An approach to achieving software error compensation is discussed. Finally, the method and results from this study illustrate that it is possible to compensate for dynamic errors of CMMs.

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Yüksel, İ. Ahmet, T. Oytun Kılınç, K. Berk Sönmez y Sinem Ön Aktan. "Comparison of internal and external threads pitch diameter measurement by using conventional methods and CMM’s". En 19th International Congress of Metrology (CIM2019), editado por Sandrine Gazal. Les Ulis, France: EDP Sciences, 2019. http://dx.doi.org/10.1051/metrology/201909001.

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Threads are very frequent and critical connection methods of components to build final products as per desired technical requirements. As it is used for very wide numbers of applications and industries, tolerances and thread structure differ as per requirements of applied areas. After theoretical decision of threaded parts, one hard task is to manufacture this thread as required. Correct flank angle, pitch diameter, pitch, height, major/minor diameters shall be obtained to receive desired mechanical connection properties. So as a result of all importance of threaded connection, it is also important to control thread properties. In this study it is aimed to show that as a result of significant development on sensor and probing technology, Coordinate Measuring Machines (CMMs) are good alternatives of conventional methods by considering accuracy, time requirement, setup requirements, and ease of application. In order to evaluate competence of regular bridge type CMMs regarding simple pitch diameter measurement, results of pitch diameter from symmetric thread with 30º flank angles will be taken by 1D length measurement device and bridge type CMM to compare. Comparison of conventional methods and CMM’s result shows that CMMs also provide accurate and precise results and can be used for calibration of gages as an alternative method with a number of advantages which are shown by this study.

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Morse, Edward. "Accreditation for Dimensional Testing With Coordinate Measuring Machines". En NCSL International Workshop & Symposium. NCSL International, 2015. http://dx.doi.org/10.51843/wsproceedings.2015.30.

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This paper will address some of the issues surrounding the accreditation of laboratories for dimensional testing (and calibration) using Coordinate Measuring Machines (CMMs). The differences between calibrating instruments and using them for subsequent measurements will be explained. This is particularly important with CMMs because their calibration is made up of very specific measurements, while subsequent measurements can cover an enormous range of measurands (length, diameter, flatness, true position, run out, and many more). Given this difference in calibration and use, the next step is to discuss how measurement uncertainty for this discipline will appear on a scope of accreditation, and then the different ways that the uncertainty could, or should, appear on a test or calibration certificate. Although many CMMs are operated under direct computer control, with validated software to perform calculations, the interpretation of part drawings and the ability to transform the part specification into a measurement program to determine conformance relies heavily on the CMM programmer's knowledge of both GD&T and the CMM software implementation of GD&T. The next section of this paper will discuss the qualitative and quantitative evaluations that occur in the evaluation of a laboratory that performs CMM measurements, either for internal or external customers. While these subjects will be addressed in the context of laboratory accreditation, the underlying principles are important for anyone who has to justify the value of the CMM measurements that they perform.

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Vemulapalli, Prabath, Jami J. Shah y Joseph K. Davidson. "Reconciling the Differences Between Tolerance Specification and Measurement Methods". En ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1206.

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The ASME Y14.5M standard has defined different types of tolerances that can be applied to a feature to achieve the required functionality. Each tolerance defines a zone within which the feature under inspection must lie. The conformance of the parts to these tolerances is checked by manual measurements or a CMM. But it has been observed that the measurements between different CMMs do not match. There are two generally accepted reasons for this discrepancy. The first one is the measurement uncertainty in CMM software. This problem was addressed by NIST by developing reference softwares for feature fitting algorithms. And the second one is the distinct choice of algorithms for fitting substitute feature to the data points measured from CMM. Feature fitting algorithms used in CMMs are often based on their mathematical convenience rather than the interpretation of definitions in the GD&T standard. Our research is focused on identifying that normative algorithm that is best to be used for each type of tolerance. Each normative algorithm is identified as the one to best represent the interpretation of geometric control as defined by the Standard and on the manual methods used for the measurement of a specific tolerance type.

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Chan, H. L., J. P. Mitchell, A. D. Spence, M. P. Sklad y D. W. Capson. "Laser Digitizer/Stereo Vision Methods for Simultaneous Measurement/Analysis of Sheet Metal Forming Strain/Geometry". En ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79216.

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Conventionally, strain has been measured using scribed, etched, or printed grids together with a ruler and dividers or a graduated, transparent Mylar® overlay. Touch trigger probe equipped Coordinate Measuring Machines (CMMs) are used to measure geometry. More recently, stereo computer vision has been proposed, but, because accuracy quickly diminishes with camera distance to the part, application has been limited to small test samples. On CMMs, laser digitizers are growing in use. To date, however, accurate, simultaneous measurement / analysis of both strain and geometry has not been reported. This paper presents two new CMM based research methods that address this. The laser digitizer method uses a circle grid, and the stereo computer vision approach uses a square grid. Parallel computing is used to accelerate computer processing time. A dual thickness tailor welded steel test dome, an aluminum test dome, and a wrinkled double layer truck part illustrate practical application.

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Shao, Jun y Kwok-Leung Tsui. "Form Tolerance Estimation Using Jackknife Methods". En ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0814.

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Abstract A coordinate measuring machine (CMM) is a computer controlled device that uses a programmable probe to obtain measurements on a part surface. Recently CMMs have become very popular for dimensional measurement in industry due to their flexibility, accuracy, and ease of automation. Despite the advantages offered by CMM’s, problems have emerged with their use because tolerance standards require knowledge of the entire surface while a CMM provides only a sample of points on the surface. These problems could be quite challenging, and both practitioners and researchers have shown great interest. Among these problems, estimating form tolerances for different part features is very important to practitioners. The least squares and minimum zone methods are the most commonly used methods for form tolerance estimation. Dowling et al. (1996a) show that these two methods give seriously biased estimates of the part deviation range when the sample size is small. This paper proposes several jackknife estimates that correct the bias of the least squares and minimum zone estimates. Based on a simulation study, it is found that the jackknife estimates effectively reduce the bias of the two common estimates in many situations, and thus reduce the chance of accepting bad parts in tolerance verification.

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Aggogeri, Francesco, Emanuele Barini y Raffaello Levi. "CMM Measurement Variability Analysis: A Comparison Between Two Metrological Laboratories Measuring Three Industrial Workpieces". En ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59307.

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Quality may be defined as a set of requirements a system should satisfy in order to meet customer’s needs. Control of these requirements assures satisfaction of relevant standards, and consequently the performance levels of a manufacturing/transactional stream. In this context it is fundamental to define control procedures and reliable measurement systems adequate for adopting improvement action as soon as anomalies and dysfunctions are detected. This paper deals with a study of measurement variability occurring during practical exploitation of CMMs (Coordinate Measuring Machines). These measurement systems are designed to probe selected points of workpiece surface, and compare the relevant coordinates or derived quantities with specified values; capability and versatility of CMMs justify their widespread use in industry. Evaluation of CMM measurement variability is however often awkward owing to a number of factors, such as e.g. measurement task, environment, operator and measurement procedures. A round robin exercise involving two industrial laboratories was planned in order to address these issues. Three typical machine tool parts were circulated among participants, who were asked to measure linear dimensions as well as tolerances at specified locations, according to an agreed upon schedule. Results of measurements, performed by experienced CMM industrial users, were analyzed in order to bring out discrepancies, and suggest remedial actions in the light of information gathered. Several factors involving metrological as well as other aspects were observed to cause major discrepancies, yielding in turn information on where to look for potential sources of trouble. Conclusions were drawn in terms of operating procedure, leading to improved information on origin and components of variability.

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Montano, Nelson. "Paranal maintenance and CMMS experience". En SPIE Astronomical Telescopes + Instrumentation, editado por Jacobus M. Oschmann, Jr. SPIE, 2004. http://dx.doi.org/10.1117/12.555679.

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Peggs, G. N. "CMMs in the quality environment". En IEE Colloquium on Control of Dimensional Variation. IEE, 1997. http://dx.doi.org/10.1049/ic:19971166.

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Informes sobre el tema "CMMS"

Yoshimi, B., T. H. Hong, M. Herman, M. Nashman y W. G. Rippey. Integrated vision and touch sensing for CMMS. Gaithersburg, MD: National Institute of Standards and Technology, 1997. http://dx.doi.org/10.6028/nist.ir.6082.

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Phillips, S. D., B. Borchardt y W. T. Estler. The estimation of measurement uncertainty of small circular features measured by CMMs. Gaithersburg, MD: National Institute of Standards and Technology, 1995. http://dx.doi.org/10.6028/nist.ir.5698.

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Peters, Valerie A., Alistair Ogilvie y Paul S. Veers. Wind energy Computerized Maintenance Management System (CMMS) : data collection recommendations for reliability analysis. Office of Scientific and Technical Information (OSTI), septiembre de 2009. http://dx.doi.org/10.2172/985499.

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Singer, A. T., J. L. Land, S. D. Phillips, D. Sawyer, B. Borchardt, G. Caskey, D. Ward, P. Snoots y B. Faust. Interim testing artifact (ITA), a performance evaluation system for coordinate measuring machines (CMMs):. Gaithersburg, MD: National Institute of Standards and Technology, 1995. http://dx.doi.org/10.6028/nist.ir.5602.

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Peters, Valerie A. y Alistair B. Ogilvie. Wind energy Computerized Maintenance Management System (CMMS) : data collection recommendations for reliability analysis. Office of Scientific and Technical Information (OSTI), enero de 2012. http://dx.doi.org/10.2172/1035328.

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Hamilton, Jason. Early-Stage Transition to Predictive Maintenance: Using CMMS, IR Scans, and Vibration Analysis to Improve Uptime and Lower Maintenance Costs. Portland State University Library, enero de 2015. http://dx.doi.org/10.15760/honors.188.

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Cooper, G. Facility Safety Plan CMS Complexes CMLS-410r1. Office of Scientific and Technical Information (OSTI), enero de 2007. http://dx.doi.org/10.2172/900857.

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Richter, Karen J. CMMI (trademark) for Acquisition (CMMI-ACQ) Primer, Version 1.2. Fort Belvoir, VA: Defense Technical Information Center, mayo de 2008. http://dx.doi.org/10.21236/ada482055.

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Lips, Urmas, Oliver Samlas, Stella-Theresa Stoicescu, Vasily Korabel y Jun She. Assessment of the benefits of the BOOS-HELCOM integrated system and recommendations for transfer this to other sea areas. EuroSea, 2023. http://dx.doi.org/10.3289/eurosea_d6.6.

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This report summarises demonstrated benefit from integrating BOOS and HELCOM observations with CMEMS observations, including i) improved observation data accessibility by BOOS, CMEMS INSTAC and EMODnet, ii) improved quality of frequently updated CMEMS reanalysis, and iii) improved quality and update frequency of eutrophication assessment in the Baltic Sea based on the reanalysis. Also, feasibility for extending this approach to other regional seas, other indicators, and fishery advice applications is analysed and recommendations from the workshop on “Full value chain integration for monitoring and assessment” are provided. (EuroSea Deliverable, D6.6)

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Voss, L. DARPA beyond CMOS RFI. Office of Scientific and Technical Information (OSTI), enero de 2021. http://dx.doi.org/10.2172/1788329.

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