Căutare Fascicula XIV după Titlu
Afișează articolele 78-97 of 326
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Considerations Regarding the Stability of High-Speed Shafts
(Universitatea "Dunărea de Jos" din Galați, 2011)The paper studies the problem of the dynamic stability of a high-speed shaft, subjected to bending vibrations. The case of normal machine tool shafts placed on rigid or flexible bearings is considered for different situations. ... -
Considerations Upon Breaking Strength of Nodular Cast Iron Under Plastic Deformation
(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, ... -
Considertions on the Mechanical Vibrations of an Electronic Circuit Board
(Universitatea "Dunărea de Jos" din Galați, 2010)The paper analyzes the dynamic stresses induced by mechanical vibrations on an electronic circuit board, considering different study hypotheses, resulting from real cases presented in technical texts. The corresponding models ... -
Considetations on Using the Virtual Instruments for the Acquisition and Analysis of Experimental Data from Dynamic Systems
(Universitatea "Dunărea de Jos" din Galați, 2010)The new slogan “The software is the tool” takes into consideration a new construction principle for the measuring tools and systems, with a brand new architecture. These systems and tools are assembled into a “virtual ... -
Controlled Parameter Modelling of Casting Pieces Bushing Type
(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 ... -
Correlative Estimations in Using of Effective Configurations for Vibroinsulation Elastomeric Elements
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper deals with practical insulation devices, systems to provide the tradeoff between the contact with earth (in order to resist to gravitation) and the separation from earth (in order to withstand the earthquake). ... -
Cost Optimazation at the Worm Cutter Splinting
(Universitatea "Dunărea de Jos" din Galaţi, 2006)In order to get goods at the worm cutter splinting, an important method is to reduce the energetical charging and the cinematic unevennesses. It is explain that the costs are important to get a good price at the splinting ... -
Creating of the Primitive Shapes Using Autocad
(Universitatea "Dunărea de Jos" din Galați, 2009)AutoCAD is one of the most popular graphics programs that was created for the production of technical drawings in the 2d and 3d with a high precision. In this paper we have presented the basic primitives which can be ... -
Creating of the Primitive Shapes Using Autocad
(Universitatea "Dunărea de Jos" din Galați, 2009)AutoCAD is one of the most popular graphics programs that was created for the production of technical drawings in the 2d and 3d with a high precision. In this paper we have presented the basic primitives which can be ... -
Damage Detection at Vibration Passive Isolation Devices
(Universitatea "Dunărea de Jos" din Galați, 2011)This paper deals with some theoretical aspects combined with experimental tests regarding early damage identification in vibroisolation devices. This study was a natural fall-back of an analysis regarding the behaviour ... -
Decizioan support system in the Make to Order Manufacturing System
(Universitatea "Dunărea de Jos" din Galați, 2012)Current methods for estimating the cost and time are based on decomposing the product into elements, followed by cost estimation of each element and summing of the other costs. As element, we can consider a product ... -
Determination of Epoxy Resin' Mechanical Properties by Experimental-Computational Procedures in Tension
(Universitatea "Dunărea de Jos" din Galați, 2008)The use of epoxy resins in metal structures for adhesive reasons is getting wider. Epoxy resins possess enhanced mechanical, chemical and physical properties, i.e. increased shear and compression strength, resistance in ... -
Determination of Optimum Operating regimes of Road Vehicles Based on Minimum Fuel Consumption
(Universitatea "Dunărea de Jos" din Galați, 2011)The paper deals with the mathematical calculation which allows the determination of the optimum conditions in operating the propulsion installations with internal combustion engines applied to road vehicles, in the ... -
Development of the Multipuiose Thermal Spraying System
(Universitatea "Dunărea de Jos" din Galați, 2009)Many components and structures require protection against corrosion, oxidization, excessive heat and wear. This is achieved by applying various types of coatings on the component base material, hence providing the necessary ... -
Development of the Multipurpose Thermal Spraying System
(Universitatea "Dunărea de Jos" din Galați, 2009)Many components and structures require protection against corrosion, oxidization, excessive heat and wear. This is achieved by applying various types of coatings on the component base material, hence providing the necessary ... -
Dextrous Hand-Grasping Preshaping
(Universitatea "Dunărea de Jos" din Galați, 2007)The research conducted in human grasping have emphasized three main phases: the visual location of the target, when the object is analyzed an recognized, the reaching phase of grasping, when the hand preshapes in order ... -
Diagnostic of Structural integrity Using the Non-Linear Vibration
(Universitatea "Dunărea de Jos" din Galați, 2007)The aim of the work presented here was to investigate the possibility of using hangs in the non-linear vibration characteristics to detect damage in mechanical structure. The nonlinearities were detected by examining the ... -
Dynamic Analysis of Electro-Hydrodynamic Vibratory Equipment Using Virtual Prototyping Technique
(Universitatea "dunărea de Jos" din Galați, 2004)In this paper the authors analyse the functional behaviour of an electrohydrodynamic vibratory equipment, that could be used to vibro-driving the piles into the powerless soils, to drive a demolition hammer, a.s.o. ... -
Dynamic Analysis of Mechanical Systems. Calculus of the Equivalent Dynamic Forces and Torques
(Universitatea "Dunărea de Jos" din Galați, 2008)This article presents the physical and mathematical models of mechanical systems with elastical and/or rigid elements, subjected to dynamical loads: forces and torques. The aim of the study is to establish some formulas ... -
Dynamic Analyze for the Chassis-Cab System Having Elastic Intermediate Link (Elastic Interface)
(Universitatea "Dunărea de Jos" din Galați, 2004)Among the machinery generating occupational diseases due to the vibrations transmitted to human body the portable hand-held construction equipment such as drill hammers and demolition hammers are classified. In order ...
