2002 fascicula14

 

Envíos recientes

  • A Method for Establishing by Controlled Aproximation of the Limitted Forces Developed by Alignmed of the Hydraulic Cylinder 

    Hauk, Niculai; Goanță, Adrian Mihai; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2002)
    Determination of the limited forces – in case of the mechanisms actioned by the alignmed of the hydraulic cylinders is a very difficult problem to be realized very exactly. This paper presents a numerical method with a ...

  • Controlled Parameter Modelling of Casting Pieces Bushing Type 

    Goanță, Adrian Mihai; Hauk, Niculai; Rădulescu, Cătălin (Universitatea "Dunărea de Jos" din Galați, 2002)
    The workpaper proposes a computer assisted modality of projection in order to obtain casting semiforms, starting from the 3D totally standardized model of the casting piece. The advantage of such a method is that the ...

  • Influence of Geometrical Parameters on Rigidity of the Worm-Gearing Tooth 

    Ghelase, Daniela; Daschievici, Luiza; Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2002)
    By means of an original numerical method, the authors study the influence of the parameters of the worm-gearing tooth (diametral quotient, radius of profile curvature, profile angle of the worm, number of gear teeth) on ...

  • The consolidation Equipment Work Devices Vibrations Frequency Influence about the Railway Stabilization Process 

    Gaidoș, Aurelian (Universitatea "Dunărea de Jos" din Galați, 2002)
    In this work presented the experimental research realized on the stand in the laboratory. The experimental researches have as the goal the study of the influence the frequency vibration of the work device concerning the ...

  • Installation for Centrifugal Casting of Bimetallic Jacks 

    Eftimie, Dorin; Ciurea, Aurel (Universitatea "Dunărea de Jos" din Galați, 2002)
    This issue presents an bronze casting technology of steel jack by centrifuging as well as it’s installation. We try to realize a machine by date theme for mechanization of technological operation. The constructive solution ...

  • Considerations Upon Breaking Strength of Nodular Cast Iron Under Plastic Deformation 

    Ciurea, Aurel; Eftimie, Dorin; Goanță, Adrian Mihai (Universitatea "Dunărea de Jos" din Galați, 2002)
    The work aims to demonstrate the existence of a mathematics connection between breaking strength and degree of plastic deformation in case of nodular cast iron. Research made along time starting 1932-1934 until now, ...

  • Robot Type Manipulator for Serving of a Bolts Hardening System Outline 

    Ciurea, Aurel; Eftimie, Dorin; Ciurdariu, Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2002)
    The paper work refers to a flexible manufacturing cell where the bolts hardening system within a relatively wide range of dimensions is completely automatic. For this purpose, a robot type manipulator serving an induction ...

  • Phisycal and Mathematical Model Forvibratory Driving Process Analysis 

    Cauteș, Gheorghe; Năstac, Silviu (Universitatea "Dunărea de jos" din Galați, 2002)
    Vibratory driving of pile is one of the technologies used for powerless basement soil deep consolidation. This process consist by favouring the pile penetration in soil, whereupon when vibrations using. Experimentally, was ...

  • Mathematical Model for Frequency-Dependent soil Propagation Analysis 

    Cauteș, Gheorghe; Năstac, Silviu (Universitatea "Dunărea de Jos" din Galați, 2002)
    Vibration analyses of advanced technology facilities typically must consider frequency as well as amplitude of vibration. A soil propagation model is proposed which will allow the use of site-specific, measurable, frequency ...

  • Structural Requirements of Bituminous Paving Mixtures 

    Bordea, Carmen; Năstac, Silviu (Universitatea "Dunărea de Jos" din Galați, 2002)
    In this work, the autors present some of the principal issues and challenges associated with the design and production of bituminous mixtures that can meet the ever-increasing structural needs of modern pavements.

  • The Behavior of Mechanical Model Wheel' S Loader 

    Bordea, Carmen; Drăgan, Nicușor (Universitatea "Dunărea de Jos" din Galați, 2002)
    In this work is described a dynamical model for the tire-suspension system of wheel loader. This model is based on the subdivision of the global dynamical system into its physical components: the tire, the wheel, ...

  • Response Behaves of Earthmoving Vehicle Where the Slip Ratio are Variation Linear 

    Bordea, Carmen (Universitatea "Dunărea de Jos" din Galați, 2002)
    In this paper, the autor conceptualize the loader equations of motion for dynamic analysis of traction system where the slip ratio are variation linear. The wheel loader simulation model was formulated in terms of ...

  • The Analysis of the Dynamic Response of the Hydrostatic Driving Systems in a Closed Circuit 

    Gavril, Axinti; Năstac, Silviu; Axinti, Adrian-Sorin; Potârniche, Aurora (Universitatea "Dunărea de Jos" din Galați, 2002)
    The hydrostatic actions in a closed circuit were remarked in the action of the technological equipment both for achievement of translation motions with linear hydrostatic engines with bilateral stem and for rotational ...

  • The calculation of Pressure Forces Resultant About Rotor Bearings of Volumetrical Pumps and Motors with Radial Palettes 

    Arghirescu, Cristea L. (Universitatea "Dunărea de Jos" din Galați, 2002)
    The objective of this paper refers to the presentation the calculation of pressure forces resultant about the palettes and the lateral rotor surface of volumic pumps and motors with radial palettes. This calculation is ...

  • The Dynamic Study of the Crane "MT-40" in the Process of Gyrations 

    Anghelache, Diana (Universitatea "Dunărea de Jos" din Galați, 2002)
    This work proposes the determination of the dynamic behavior of a tower crane in the process of gyration in sight of a move burdens in the most disadvantageous conditions and namely: in the crane’ s hook it is a solid body ...