Fascicula XIV: Recent submissions
Afișează articolele 221-240 of 326
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Non-Linear Dynamic Behavior of a Ball Float Valve
(Universitatea "Dunărea de Jos" din Galați, 2012)The dynamic behavior of the spherical body floating in a liquid, part of a ball float valve, is analyzed from the point of view of the dynamic systems theory. The study of the motion illustrates the differences between ... -
Method Algorithm for Order Acceptance in Make-to-Order Manufacturing
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)In practice, decisions on order acceptance and on production planning are often made separately. Sales department is responsible for accepting orders, while production department is in charge of production planning for ... -
Technological Design Optimization of an Industrial Centrifugal Fan
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)The paper aims to present a technological design optimization of an industrial centrifugal fan going through steps such as computer aided design CAD, simulation and analysis of elements of interest (CAE) and manufacturing ... -
3d Modeling and Static Analysis of a Bucket Crusher Equipment Attached to the Excavator Arm
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)This paper aims to show the 3D modeling of a bucket crusher equipment attachable to the excavator arm. The static analysis of this type of crusher jaws allowed a correct designing for a better reliability. This analysis ... -
On the Use of Approximate Numerical and Analytical Methods in Order to solve the Differential Equations that Describe Vibrations of the Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2012)The paper makes a comparative study on the approximation errors of the solutions of the differential equations of second order using different numerical methods, a study which is assessed by the necessity of numerical solving ... -
Aspects Regarding the Study of a Vibratory Device Which Acts a Medical Apparatus
(Universitatea "Dunărea de Jos" din Galați, 2012-05-01)The paper studies, from the electromechanical point of view, a medical apparatus designed for spine treatment by vibrations. The differential equations of motion of the system have been obtained by using Lagrange equations ... -
Study of The Palette-Obstacle Impact for a Concrete Mixer
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)In this paper the numerical simulation of the concrete mixer was developed in SimMechanics, a toolbox for Matlab environment. The virtual model for mixing equipment simulation has been computed to estimate the increase ... -
Product Time and Cost in Manufacturing System-Market Relationship
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)This paper presents a product time and cost estimation method taking into account the market dynamics and manufacturing system competitiveness. The method is based on the behavioral modeling using on-line unsupervised ... -
Application of Knowledge for the Maintenance of The Enterprise
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)In the paper we aim to offer a strategic vision of knowledge management (KM) that takes into account the synergy between technological and behavioral issues so necessary for survival in the current economic context. In ... -
The Approximate or Exact Analytical Solutions for the Differential Equations Which Describe Parametric Free Vibrations of Mechanical Systems
(Universitatea "Dunărea de Jos" din Galați, 2013-05-01)The vibrations of many mechanical systems can be described by differential equations that have coefficients that depend on time. It is difficult to determine the approximate or exact analitical solutions of these equations. In ... -
Comparative Study of "Revolve" Command in the Average-Class Design Software Taught in the Higher Education
(Universitatea "Dunărtea de Jos" din Galați, 2012)The paper aims to present a comparative study of "Revolve" control/command or equivalent controls that are found in the following design software, namely Mechanical Desktop 6, Inventor 2011 and Solid Works 2008. In other ... -
Comparative Study on the Applicability of "Extrusion" Command in the Design Software Taught in Higher Education Institutions
(Universitatea "Dunărea de Jos" din Galați, 2012)The paper aims to present a comparative study of "Extrude" control/command or equivalent controls that are found in the following design softwares: Mechanical Desktop 6, Solid Edge v. 20 and Solid Works 2008. In other ... -
A Method for Determining the Pressure Loss Coefficients
(Universitatea "Dunărea de Jos" din Galați, 2012)For braking elements of mechanisms operated by hydraulic cylinders is used hydraulic resistance which controls the working fluid. Determination of these systems is difficult, especially in the design phase. This ... -
A Study of Hand-Arm Vibrations for the Foresters Workers
(Universitatea "Dunărea de Jos" din Galați, 2012)The foresters workers are especially exposed to hand-arm transmitted vibrations. These vibrations can cause the complex of vascular, neurological and musculoskeletal disorders, collectively named hand-arm vibration ... -
Comparative Study on the Applicability of "Extrusion" Command in the Design Software Taught in Higher Education Institutions
(Universitatea "Dunărea de Jos" din Galați, 2012)The paper aims to present a comparative study of "Extrude" control/command or equivalent controls that are found in the following design softwares: Mechanical Desktop 6, Solid Edge v. 20 and Solid Works 2008. In other ... -
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 ... -
Dynamic Management of Manufacturing Orders
(Universitatea "Dunărea de Jos" din Galați, 2012)A key requirement for the make-to-order (MTO) manufacturing companies to remain competitive is the ability to assess incoming orders in terms of performance and to determine the best orders that they should accept. In ... -
Performance and Evaluation of Make-To-Order Manufacturing System
(Universitatea "Dunărea de Jos" din Galați, 2012)The system environment provides on-line data on the actions undertaken which, properly analyzed and correlated, will further generate solutions in order to develop said system and make it competitive. The paper aims, ... -
Rotary Screening Bucket Equipment Attachable to the Excavator Arm
(Universitatea "Dunărea de Jos" din Galați, 2012)This paper aims to find a new solution of an equipment with rotary screening bucket attachable to the excavator arm. This equipment is used on a large scale for selecting the building material used on small and medium ... -
Bucket Crusher Equipment with Attachable to the Excavator ARM
(Universitatea "Dunărea de Jos" din Galați, 2012)This paper aims to find a new solution of the jaw-action bucket crusher equipment attachable to the excavator arm. The technological operation of crushing needs this type of equipment for enhancing productivity, enlarging ...