Căutare 2009 fascicula14 după Titlu

Afișează articolele 9-22 of 22

    • Econometric Modelling of the Manufactoring System 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2009)
      According to this new approach, a machining system interacts with the “market” carrying out a certain “service” (machining “service”) for a specified “client” (the work piece), it establishes a full economic relationship ...

    • Manufacturing System Strategic Control 

      Dașchievici, Luiza; Ghelase, Daniela (Universitatea "Dunărea de jos" din Galați, 2009)
      In order to progress in the present-day complex and unpredictable environment, the company must feature abilities of quick response and favorably repositioning itself on the market. Acquisition and preservation of this ...

    • Model and Calculation Algorithms for Gear Percussion 

      Axinti, Gavril (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper highlights some aspects of modeling the dynamic processes taking place in the percussion equipments, known as hydraulic hammers. Theoretical and experimental aspects of the behaviour of equipments on test stand ...

    • Modelling of an Ancient Bronze Suspension head by Means of Reverse Engineering Technique 

      Efstathiou, K.; Varitis, Em.; Mansour, G. (Universitatea 'Dunărea de Jos" din Galați, 2009)
      In recent years, reverse engineering technique is used in the field of archaeology to model the geometry of archaeological findings. Modelling of ancient objects is a demanding process due to fragility. In this paper ...

    • A parametric Study on Position Workspace Capability of Capaman 

      Castelli, Gianni; Ottaviano, Erika; Ceccarelli, Marco (Universitatea "Dunărea de Jos" din Galați, 2009)
      A parametric study of main workspace characteristics is presented to describe CaPaMan capability and to investigate design effects of its parameters. Several numerical evaluations are reported to cover a wide range of ...

    • Performances Assessment from an Earthmoving Machine Through Power Monitoring 

      Debeleac, Carmen (Universitatea "Dunărea de Jos" din Galați, 2009)
      The research presented in this paper focuses on wheel loaders, which are representative for earthmoving machines. The author presents the acquired results for measuring dynamical performances by using a new method based ...

    • Periodic Solutions of Some Differential Equations that Show the Non-Linear Vibrations of the Mechanical Systems 

      Cauteș, Gheorghe (Universitatea "Dunarea de Jos" din Galați, 2009)
      Many phenomenons of mechanical nature possess non-linear vibrations, their mathematical forming operation leading to differential equations or to systems of differential non-linear equations. In this work it is shown ...

    • Some Considerations of using Virtual Reality in the Training Process Specific to Disciplines of Applied Mechanics 

      Starețu, Ionel (Universitatea "Dunărea de Jos" din Galați, 2009)
      In this paper, we first discuss issues regarding the training in mechanical design using CAD software to develop the geometric model of the components, the simulation possibilities of functioning in the case of the model ...

    • Specific Aspects of Modelling and Designing Gear Pumps 

      Goanță, Adrian Mihai (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper intends to highlight, in the context of general geometrical modelling, the specific aspects of design and modelling of a gear pump. In practice in such situations containing toothed gear it is recommended to ...

    • A Study on Stevens' Power Law Applied on the Human Perception of a Running Vehicle Transmitted Vibrations 

      Picu, Ana (Universitatea "Dunărea de Jos" din Galați, 2009)
      This paper studies the way humans perceive vibrations induced by a running vehicle, starting from Stevens’ Power Law. The measurable physical magnitude was the acceleration transmitted to the hand-arm system. The ...

    • The Boolean Operations with CAD Systems 

      Haraga, Georgeta; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2009)
      The AutoCAD software is a power computer-aided design (CAD) system that can offers all users of graphics, 2D and 3D objects representation. In this paper, we present the basic Boolean operations that allow adding, ...

    • The Operational Space's Micro-Geometrical Analysis of the R I R II Kinematics Chain 

      Naidin, Gigi (Universitatea "Dunărea de Jos" din Galați, 2009)
      In order to systematize the three monomobile coupling kinematic chains was essential to find criteria which eliminate those coupling which are inefficient, from the mobility point of view. It is embraced, as main ...

    • The Technical-Economic Modelling of Competitiveness for Manufacturing Systems 

      Dașchievici, Luiza; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2009)
      On world wide level, enterprises are confronted with an evermore accelerated dynamics and the unpredictable changes. This is influenced by the technical and scientific progress, dynamic requirements of the customers, ...

    • The Utilization of 3X3 Matrixes in Setting Kinematics Chains Analysis for Robots Components 

      Naidin, Gigi (Universitatea "Dunărea de Jos" din Galați, 2009)
      Within the kinematic study of a rigid solid, its motion is studied faceto- face by a reference system, fixing positions, speeds and accelerations of a reference system, solidarily connected to the rigid solid.