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Browsing Articole din publicaţii internaţionale by Author "MAZURU, Sergiu"

Browsing Articole din publicaţii internaţionale by Author "MAZURU, Sergiu"

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  • Aprecierea calităţii organelor de maşini la etapa de pregătire tehnologică a producţiei 
    BOSTAN, Ion; MAZURU, Sergiu; VACULENCO, Maxim (Universitatea Tehnică „Gh. Asachi“, Iaşi, 2004)
    În lucrare se prezintă o analiză a preciziei roţilor dinţate, executate după procesul tehnologic care include operaţiile termice şi chimico-termice de prelucrare. O acţiune considerabilă la starea materialului are metoda ...
  • Constructive methods to ensure the accuracy of technological-quality indicators gears 
    MAZURU, Sergiu; METELSKI, Vitali (ModTech Publishing House, 2012)
    One of the problems of modern engineering is to increase the reliability of critical machine parts, which is largely determined by their performance characteristics and quality of the surface layer. Due to the increasing ...
  • Determination of the expert knowledge base on the basis of a functional and diagnostic analysis of a technical object 
    DUER, Stanisław; DUER, Radosław; MAZURU, Sergiu (Romanian Association of Nonconventional Technologies, 2016)
    This paper presents a method to control an operation process of a complex technical object, with the use of trivalent diagnostic information. Also, a general diagram of the complex technical object was presented, and its ...
  • Grinding of the gears with high depth processing 
    MAZURU, Sergiu; SCATICAILOV, Serghei; STINGACI, Ion (EDP Sciences, 2017)
    The goal research consists in the analysis and synthesis of technological schemes, processes, tools and equipment for processing of conical gears and precession gears with medium module. A new processing method which allows ...
  • Impact phenomena at the abrasive jet machining 
    SLĂTINEANU, Laurenţiu; COTEAŢĂ, Margareta; POP, Nicolae; MAZURU, Sergiu; COELHO, Antonio; BEŞLIU, Irina (Romanian Association of Nonconventional Technologies, 2009)
    The abrasive jet machining is based on the material removal due to the hard particles motion in contact with the workpiece surface. Certain physical and mechanical conditions must be fulfilled to generate a process of ...
  • Influence of Processing Parameters on the Quality of the Superficial Layer after Processing Surfaces by Plastic Deformation 
    BOTNARI, Vlad; MAZURU, Sergiu (Trans Tech Publications Ltd, 2014)
    On the properties of exploitation of the parts, a major influence has the quality parameters of working surface. Under the term "quality superficial layer" it is understood the integrity of such indices as: geometric ...
  • Method for Determining the Gear Wheels Profile 
    MAZURU, Sergiu; CASIAN, Maxim (Trans Tech Publications Ltd, 2013)
    In this paper we try to find a better methodology to transform a file obtained from 3D scan (precessional gear wheel), which can be used only as a copy, into a file with functional extension. Transformation will result in ...
  • Numerical Simulation of Plastic Deformation Process of the Glass Mold Parts 
    CHERECHES, Tudor; LIXANDRU, Paul; MAZURU, Sergiu; COSOVSCHI, Pavel; DRAGNEA, Daniel (Trans Tech Publications Ltd, 2014)
    To achieve the major objectives of the numerical simulation of the technological process of cold plastic deformation, are incorporated into the physical model three types of surfaces: cylindrical, conical and profiled. The ...
  • Numerical simulation of the operation of a plasma gun in mission to Mars planet 
    CHERECHEŞ, Tudor; LIXANDRU, Paul; DRAGNEA, Daniel; MAZURU, Sergiu (IJMMT, 2015)
    The authors present the results of the numerical simulations of the thermo mechanical processes taking place inside the coaxialplasmagun and at the interaction between high speed gas jet and the dust deposited on the ...
  • The processing accuracy of the gear 
    MAZURU, Sergiu; CASIAN, Maxim; SCATICAILOV, Serghei (EDP Sciences, 2017)
    The paper presents analysis of processing quality of gears. A special attention was drawn to detecting and removing burns, the existence of which greatly reduced operating properties of gears. The study emphases the influence ...
  • Requirements and solutions for a device for wire electrical discharge machining 
    SLĂTINEANU, Laurenţiu; COTEAŢĂ, Margareta; BOSOANCA, Gheorghe; DODUN, Oana; HRIŢUC, Adelina; BEŞLIU, Irina; MAZURU, Sergiu (Romanian Association of Nonconventional Technologies, 2021)
    Rectilinear kerfs in workpieces made of hard electroconductive materials can be made by wire erosion electrical discharge machining. However, since machine tools intended for such machining are rarer and more expensive, ...
  • Simulation of the Pressing Process with Combined Forces by Using ABAQUS Software 
    MARDARI, Alexandru; MAZURU, Sergiu (Trans Tech Publications Ltd, 2013)
    Actual for machines building is it the problem of finding technological solutions to increase the quality of parts, increase productivity and save resources. Greater interest in it shows the materials that incorporate a ...
  • A Study Concerning the Workpiece Profile after Grinding Process of Precessional Gear Wheels 
    CASIAN, Maxim; MAZURU, Sergiu (Trans Tech Publications Ltd, 2014)
    In this paper we present a study of issues related for determination the real profile and the theoretical one of the precessional gear wheels.
  • Technologies for precessional planetary transmissions toothing generation 
    BOSTAN, Ion; MAZURU, Sergiu; SCATICAILOV, Sergiu (Ştefan cel Mare University, Suceava, Romania, 2013)
    Development of precessional planetary transmissions, in their evolution from conceptual idea to production, imposed the necessity of extending the area of scientific research in various fields, including the technological ...
  • Theoretical and Experimental Aspects Concerning Elastic Behavior in the Grinding Technological System 
    MAZURU, Sergiu; CASIAN, Maxim (Trans Tech Publications Ltd, 2014)
    In this paper will be treated the problem of strains and stresses within the connections and elements from the grinding technological system.

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