Auswahl der wissenschaftlichen Literatur zum Thema „Machines à tailler les engrenages“
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Zeitschriftenartikel zum Thema "Machines à tailler les engrenages"
Zanetti, Cristiano. „Erudite Cultural Mediators and the Making of the Renaissance Polymath: The Case of Giorgio Fondulo and Janello Torriani“. Renaissance and Reformation 39, Nr. 2 (27.07.2016): 111–28. http://dx.doi.org/10.33137/rr.v39i2.26856.
Der volle Inhalt der QuelleBouteille, Patrick, und Filipe da Rocha. „L’automatisation de la thermographie inductive en remplacement de la magnétoscopie et du ressuage“. e-journal of nondestructive testing 28, Nr. 9 (September 2023). http://dx.doi.org/10.58286/28511.
Der volle Inhalt der QuelleDissertationen zum Thema "Machines à tailler les engrenages"
Senicourt, Jacques-Marie. „Contribution a la reduction du bruit des machines a engrenages“. Paris 6, 1987. http://www.theses.fr/1987PA066810.
Der volle Inhalt der QuelleMaatar, Mohamed. „Contribution a l'analyse du comportement dynamique de réducteurs à engrenages simple étage : influence des écarts de forme et des défauts de montage“. Lyon, INSA, 1995. http://www.theses.fr/1995ISAL0028.
Der volle Inhalt der QuelleA systematic approach for analyzing the contribution of shape deviations and mounting errors on gear dynamics is proposed. Co1_1tact conditions for bath rigid and deformable solids are used for defining the excitations of the gear unit. A three dimensional lumped parameter non linear dynamic model with a foundation model for tooth contacts is set up. The contact problem and the equations of motion are simultaneously solved using an original iterative method combining a time step integration and a normal contact algorithm. Comparisons with some experimental evidence and several results of the literature illustrate the interest and the versatility of the procedure. The model is sued for characterizing the influence of shape defects and mounting errors such as flank undulations, tooth spacing errors, eccentricities and misalignment on tooth loads and transmission errors. The role of tooth profile modifications is carefully analyzed, it is demonstrated that long reliefs can substantially improve spur and helical gear dynamic behavior on a given load range. Finally, it is shown that inevitable defects and det1ections of the geared unit may strongly reduce the expected gain in dynamic transmission error
Polo, John Anthony. „Application d'engrenages à courbes primitives non circulaires à l'équilibrage de machines“. Lille 1, 1992. http://www.theses.fr/1992LIL10146.
Der volle Inhalt der QuelleHennebelle, François. „Détermination des incertitudes de mesures sur machines à mesurer tridimensionnelle : application aux engrenages“. Paris, ENSAM, 2007. https://pastel.archives-ouvertes.fr/pastel-00003226.
Der volle Inhalt der QuelleBecause measurands are perfectly defined in standards, Coordinate Measuring Machines (CMM) accreditation is possible for gears provided measurements uncertainties are assessed. In accordance with the Guide to the expression of Uncertainty in Measurement (GUM), our work is mainly based on the Monte Carlo method and linear or circular error separation techniques to differentiate defaults and quantify associated measurements uncertainties. Analysis of the CMM geometry effect on a circular ring or gear measurement shows that it is impossible to characterize completely the CMM geometry with a part supposed to be perfect. However, we set up a concept of “Equivalent defaults” characterizing the CMM geometry for the theoretical definition of the studied part. The probing systems used were assessed in order to compensate the identifiable systematic defaults and quantify associated uncertainties. Based on the example of a cylindrical gear, three different approaches are compared: the analysis of the CMM metrological characteristics, by error separation method and by comparison. This contribution in term of uncertainties measurements has numerous applications; for example the study of penetration rates and wear volumes of explanted total hip prostheses
Assoumane, Amadou. „Diagnostic des engrenages et des roulements par une analyse vibratoire en régime variable“. Thesis, Orléans, 2018. http://www.theses.fr/2018ORLE2061.
Der volle Inhalt der QuelleOver the past ten years, several vibration signal-processing methods have been developed for the diagnosisof stationary rotating machines. However, more and more machines under surveillance operate in variable speed condition such as wind turbines, crushers, etc... The methods developed for the monitoring and diagnosis of these machines in steady state are no longer suitable for variable regimes. Some tools proposed for the variable regime case are limited to specific applications or offer a theoretical framework that limits their use in real situations. The purpose of this thesis is precisely to overcome these limitations, and this, by proposing a new approach to analyse the vibration signal acquired in variable regime. The strategy implemented in this thesis is based on a modelling of the vibration signal in the state space and an estimation H∞ of the characteristic quantities of the operating state of the machine. First, we described the vibration signal in the state space through a projection of the envelope of each frequency component of the signal on the orthogonal canonical basis. Then we proposed an estimate of the envelope. This estimation approach is based on a minimax optimization and consists of minimizing the maximum of the estimation error without making any assumptions about the statistical nature of the state model noise. This strategy ledto what we called in this thesis 'BCOH∞ estimator'. The proposed new approach has been applied to synthetic and experimental signals for the diagnosis of gears and bearings condition in variable speed
Breneur, Claire. „Eléments de maintenance préventive de machines tournantes dans le cas de défauts combinés d'engrenages et de roulements“. Lyon, INSA, 2002. http://theses.insa-lyon.fr/publication/2002ISAL0096/these.pdf.
Der volle Inhalt der QuelleMachinery used in industrial and transport domains have to be more and more efficient. So, the maintenance of such systems is very important. Interventions must only happen in presence of real damage, and the diagnostic must be reliable and easy to read. This work gave a new elements about the diagnostic of gears power transmissions in case of combined faults of gears and bearings. Gear and bearing faults have been artificially created on an experimental set-up. Transmission error and the bearings accelerations were measured for different operating conditions. Result analysis showed that accelerations envelope signal is an efficient tool for bearings diagnostic, for all operating conditions even in the presence of other defective mechanical components. Moreover, we showed that only accelerations measured in the vicinity of the defective bearing produce a significant pattern of fault presence. According to literature, accelerations analysis produce reliable information about gears health. Yet, we showed that such results are only valid in the case of bearings without any fault. In the presence of simultaneous bearing and gear faults, the transmission error appears as an useful tool giving supplementary information about the gear faults. The obtained results and the established indicators lead to an efficient diagnostic process applied on gear power transmission systems. Moreover, automation of maintenance preventive has been assessed, using neural networks, the used approaches seem to be efficient for the automation procedures, and provides a powerful tool for the optimisation of established indicators
Breneur, Claire Play Daniel. „Eléments de maintenance préventive de machines tournantes dans le cas de défauts combinés d'engrenages et de roulements“. Villeurbanne : Doc'INSA, 2004. http://csidoc.insa-lyon.fr/these/2002/breneur/index.html.
Der volle Inhalt der QuelleDiab, Yasser. „Analyse des pertes de puissance dans les transmissions par engrenages à grande vitesse : applications aux réducteurs industriels et aux machines textiles“. Lyon, INSA, 2005. http://theses.insa-lyon.fr/publication/2005ISAL0041/these.pdf.
Der volle Inhalt der QuellePower losses in high-speed gears can be significant and must be taken into consideration at the design stage in order to define the cooling systems, and to avoid mechanism failures due to thermal distortions. It is generally accepted that the total power loss in gears can be decomposed into the contributions of the friction between the teeth, the lubrication process (oil splash or jet), the trapping of air-oil mixture during meshing and finally, tooth windage. The purpose of this work is twofold; on the one hand, to develop various validated models in order to analyse the contribution of each power loss source and, on the other hand, to calculate the efficiency and the expected power losses of four different geared transmissions
Diab, Yasser Velex Philippe Ville Fabrice. „Analyse des pertes de puissance dans les transmissions par engrenages à grande vitesse applications aux réducteurs industriels et aux machines textiles /“. Villeurbanne : Doc'INSA, 2005. http://docinsa.insa-lyon.fr/these/pont.php?id=diab.
Der volle Inhalt der QuelleStefak, Roman. „Synthèse de machines moléculaires pour le contrôle de mouvements de rotation et de translation“. Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2124/.
Der volle Inhalt der QuelleThis thesis contributes to the field of nanosciences. This manuscript reports the work achieved in order to better understand the rotational and translational motions observed in molecules while those are manipulated as single molecular machines. We first studied the dissymmetrization of the stator (lower anchoring part of the motor) by means of two biphenylene moieties. These fragments were selected to reproduce the behavior of sexiphenyls that can easily move on a surface with the motion analogue to a crawling. Therefore, biphenylenes were designed to allow the molecule to drift in a linear way on the surface using the excitation from the STM tip. In this synthesis, we succeeded to obtain the bipodal bearing two biphenylene moieties. The third indazole subunit could not be added to form the desired dissymmetric stator. Starting from the initial design of the molecular motor previously developed in the group, the first goal of this work was to dissymmetrize the rotor (upper rotating part of the motor) by introducing a nitrogen tag with the purpose of being able to visualize the rotation while this latter is induced by the tip of the STM. The obtained rotor bearing five arms will be used as gears to study the transfer of rotation from one to his neighbours. The last part of this work consists in the development of a new family of rotors based on the double-decker architecture. The upper rotating part is a porphyrin ligand displaying electron donating and withdrawing moieties resulting in a strong dipolar moment with an estimated value of 8 Debye. This unique asset can be used in order to control their rotation by applying an STM tip-induced electric field. This rotor is supported on an europium naphthalocyanine fragment which disables the strong interaction between the rotor and the surface. Thus, an europium heteroleptic double-decker was synthesized and fully characterised. Double-deckers have been studied as monolayers on Cu(111) at 80 K and as single molecule on Au(111) at 5 K using an ultra high vacuum STM. Switching as well as free and synchonised rotational behaviors have been evidenced using different values of bias voltage
Bücher zum Thema "Machines à tailler les engrenages"
Gear Cutting Tools: Fundamentals of Design and Computation. CRC Press, 2010.
Den vollen Inhalt der Quelle findenRadzevich, Stephen P. Gear Cutting Tools: Science and Engineering, Second Edition. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenRadzevich, Stephen P. Gear Cutting Tools. Taylor & Francis Group, 2010.
Den vollen Inhalt der Quelle findenGear Cutting Tools: Fundamentals of Design and Computation. CRC Press LLC, 2010.
Den vollen Inhalt der Quelle findenGear Cutting Tools: Fundamentals of Design and Computation. CRC Press LLC, 2010.
Den vollen Inhalt der Quelle findenRadzevich, Stephen P. Gear Cutting Tools: Fundamentals of Design and Computation. Taylor & Francis Group, 2010.
Den vollen Inhalt der Quelle findenRadzevich, Stephen P. Gear Cutting Tools: Science and Engineering. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenRadzevich, Stephen P. Gear Cutting Tools: Science and Engineering, Second Edition. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenGear Cutting Tools: Fundamentals of Design and Computation. CRC Press LLC, 2010.
Den vollen Inhalt der Quelle findenGear Cutting Tools: Science and Engineering, Second Edition. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenBuchteile zum Thema "Machines à tailler les engrenages"
Connochie-Bourgne, Chantal. „Automates à clef et engrenages du récit : le cheval volant dans le Cleomadés d’Adenet le roi“. In Engins et machines, 157–74. Presses universitaires de Rennes, 2015. http://dx.doi.org/10.4000/books.pur.55664.
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