ACTA TECHNICA NAPOCENSIS SERIES: APPLIED MATHEMATICS AND MECHANICS Vol. 56-2013 SPIS TREŚCI Iss. 1 7 Sound Pollution Evaluation Based on Fuzzy Techniques / Mariana Arghir 13 Applying the Reliability Improvement Process in Robotics Equipments Production / Ioan Blebea, Cristina Gabriela Sopoian, Diana Băgăcean 19 Information and Warning on Road Traffic Noise by Visual Means / Diana Ioana Popescu, Rodica Alămoreanu 29 Researches Concerning the Vibrations Generated by the Forging Hammers Vibro-amortized with Metallic Springs / Cristian Vasile Anton, Virgil Moldovan 5 Catalysis Technology / Diana Bagacean, Viorel Dan, Ioan Blebea 39 Investigations Regarding Some Factors that Affect the Fracture Behavior of Hard and Soft Grain Endosperm / Ioan Budăcan, Florin Bugnar 43 Applying Discrete Element Modeling to the Rotor Components of a Horizontal Shaft Hammer Mill / Ioan Budăcan, Ioan Deac 49 The Direct Kinematic Model of the Articulate 6R Robot / Florin Bugnar, Viorel Ispas, Ioan Budăcan 55 Minimalism: an Optimal Aesthetic for the Sustainable Design / Irina Sonia Chim, Ioan Blebea 63 A Sustainable Approach to Product Design / Irina Sonia Chim, Ioan Blebea 73 Equipment Maintenance Study / Marinel Cîmpan, Mariana Arghir 79 Post- Processing for the Industrial Parts Build on Fused Deposition Modeling (FDM) / Adrian Coman, Petru Berce, Simona Rodean 83 The E.D.M. Process Studied Using the Cubic Spline of Regression Type Stefan's Problem / Glad Contiu, Marcel Sabin Popa, Florina-Liliana Ureche (căs. Potra) 89 The Allocation of Customers to Warehouses Optimization Using Genetic Algorithms / Ciprian Cristea 95 Scheduling Optimization of Flexible Manufacturing System Using Genetic Algorithms / Ciprian Cristea 99 Mathematical Simulation Model of Seed Distribution Uniformity on Fluted Rollers / Valentin Dan Crişan, Marius Ioan Ghereş, Vietor Roş 103 Analysing the Energetic Potential of the Cooling Water Within the Continuous Casting Process of Steel / Gabriela Liliana Deac, Cristina Daniela Horju-Deac, Ioan Biriş, Tiberiu Rusu 109 The Application of the Optimal Control Problem with Mobile Extremes on the New Product Launch Process / Corina Adriana Dobocan, Ioan Blebea, Daniela Popescu 115 A Mathematical Model Applied to an Economical Process / Corina Adriana Dobocan, Ioan Blebea, Daniela Popescu 121 Energetic Influences of Green Roofs on Buildings: A Review / Vlad Tudor Dobra 129 Research Regarding Optimal Resistance at Impact of a Binary Biopolymer Blend and Optimal PLA/PBAT Blends Percentage / Gabriel Fodorean, Yang Fu, Edith Peuvrel-Disdier
133 Creating a Mathematical Model for the Cost of Supply / Daniel Filip, Glad Conţiu 141 Implementation and Use of ERP and WEB-ERP in the Production of Small Series and Unique / Daniel Filip, Grigore Pop 149 Multiple Regressions Analysis of Factors that Influence the Efficiency of Human Resources / Nicolina-Irina Hădărean-Şomlea, Liviu Onoriu Marian 153 Some Considerations about 3D Replication of Complex Surfaces / Adela Hodor, Petru Berce, Radu Comes 159 Some Considerations about Composite Molds Manufacturing / Adela Hodor, Petru Berce, Paul Bere, Marian Borzan 163 Means for Improving the Quality of Large Diameter Bent Pipes With Numerical Simulation in the Deformation Process / Cristel Mureşan, Gheorghe Achimaş, Nicolae Mihăilescu 173 Noise Assessments in a Carpentry Workshop / Ioana Alexandra Muscă, Diana Ioana Popescu, Nicolae Ursu-Fischer, Andrea Vass 177 Research on How to Correlate the Accuracy of the Prototype Model, Tools and Plastic Injected Parts in the Rapid Product Development Process, Using the Selective Laser Sintering Method / Riizvan Pacurar, Ancuta Pacurar 183 Innovative Solution to Decrease the Porosity of Injection Moulding Tools Made by Selective Laser Sintering Technology / Răzvan Pacurar, Ancuta Pacurar 189 Process Temperature Determination at the Drilling Carbon Fiber Reinforced Composites / Grigore Pop, Liviu Crisan, Daniel Filip 195 The Micro-Fracto-Graphic Analyze of Extruded Products from Polyamide 6.6 Reinforced With Glass Fibers / Adrian Popescu, Liana Hancu, Glad Conţiu 201 The Influence of Reinforced Degree on the Mechanical Characteristics in Case of Composite Materials Plates Reinforced with Fiber Glass / Emilia Sabău, Nicolae Bâlc, Paul Bere, Florica Şerban 205 Application of Fuzzy Expert System in Deep Drawing of Cylindrical Cups / Florica Mioara Şerban, Ciprian Cristea, Emilia Sabău, Vasile Ceclan, Glad Conţiu 211 The Role of Life Cycle Understanding in Reliability Improving Process of Robotic Equipment / Cristina Gabriela Sopoian, Ioan Blebea 217 Opportunities to Increase the Quality of Small Diameter Tubular Parts Obtained by Reverse Extrusion, by Numerical Simulation of the Deformation Process / Laurenţiu Stoica, Gheorghe Achimaş, Ciprian Cristea, Sorin Achimaş 223 Kinematical Control Functions for a Mobile Robot / Zoltan Szoke, Iuliu Negrean, Claudiu Schonstein, Kalman Kacso 227 New Concept of a Mobile Robot Used in Car Inspection / Zoltan Szoke, Iuliu Negrean, Kalman Kacso, Claudiu Schonstein 231 Computation Model for the Design of the Rotor of Small Wind Turbines with Horizontal Axis / Nichifor Todor 237 Constructive Study for Impedance Tube / Alin Cosmin Tot, Mariana Arghir
Iss. 2 247 Direct Kinematics Modeling of TRTRR Serial Modular Robot / Viorel Ispas, Ramona Maria Gui, Virgil Ispas, Mariana Arghir 257 Dynamics Equations of TRTRR Robot Using Lagrange Formality / Viorel Ispas, Ramona Maria Gui, Mariana Arghir, Virgil Ispas 263 Considerations on the Vehicle Floor Carpet Vibro-Acoustic Modelling / Iulian Lupea, Adrian Coroian 269 Considerations on the Acoustic Panel Absorber / Iulian Lupea, Florina-Anca Stremţan 275 Absolute Speeds Determined in an Entirely Quantic Space-Time by Absolute Doppler-Fizeau Effect / Ileana Roşca, Michel Conte 283 Contributions to the Dynamic Study of One Degree of Freedom Mechanical System, Actuated by a Harmonic Force, with Different Elastic and Viscous Elements / Nicolae Ursu-Fischer, Ioan Radu, Ioana Alexandra Muscă 291 Contributions to the Transmissibility Study of One Degree of Freedom Mechanical System, with Different Elastic and Viscous Elements / Nicolae Ursu-Fischer, Ioan Radu, Ioana Alexandra Muscă 299 A Design Method of the Cylindrical Worm Gears / Tiberiu Alexandru Antal 303 Geometric Modeling of TRTRR Serial Modular Robot / Virgil Ispas, Ramona Maria Gui, Mariana Arghir, Viorel Ispas 307 Flexible Cell for Large Flanges Processing / Virgil Ispas, Ramona Maria Gui, Mariana Arghlr, Viorel Ispas 317 Position Problem for 3RPR 3-Mobile Plan Parallel Manipulator / Claudiu Mihai Nedezki 323 A Software Application Intended for the Numerical Modeling of Serial Robot Structures / Adina Veronica Duca, Radu Morariu Gligor 329 Dynamics Equations of TRTRR Robot Using Newton-Euler Formalism / Ramona Maria Gui, Viorel Ispas, Mariana Arghir, Virgil Ispas 337 Dependence Relations Between the Initial and Final Positions of TRTRR1 Robot for the Manipulation of Flanges / Ramona Maria Gui, Viorel Ispas, Mariana Arghir, Virgil Ispas 343 Aspects Regarding the Selection of Tools for Metal Cutting on CNC Machines / Sorin Achimaş, Marian Borzan, Tudor Morar, Florin Mocean 351 Considerarions Regarding a New Manufacturing Technology of Cylindrical Worms Using NC Lathes / Sorin Cristian Albu, Vasile Boloş 355 Influence of Grains Moisture Content on Milling Parameters / Ioan Budăcan, Ioan Drocaş, Dumitru Pop 361 Influence of Hammer Type on Milling Parameters / Ioan Budăcan, Ioan Drocaş, Dumitru Pop 367 The Aesthetic Value - A Green Attribute of Sustainable Product Design / Irina Sonia Chim, Ioan Blebea 375 General Considerations on the Notions of Form and Aesthetics in the Sustainable :Design Framework / Irina Sonia Chim, Ioan Blebea 385 Mechanical Heat Generators: an Ecologic Variant to Actual Gas Boilers / Dumitru Mihalcea 393 Aspects Regarding the Rehabilitation of Sewerage Networks / Florin Mocean, Gheorghe Achimaş, Tudor Morar, Sorin Achimaş 399 Possibilities of Diversifying Tubular Products Using Hydroforming Technologies / Tudor Morar, Gheorghe Achimaş, Florin Mocean, Sorin Achimaş
405 Interior Noise and Discrete Tones of Electric Vehicles / Marius Morariu, Iulian Lupea, Colin Anderson 411 New Ice Core Drilling Machine for Small Glaciers / Vlad Murariu, Ancuta Pacurar, Csaba Gyenge 415 New Concept of a Geotechnical Sonie Drilling Head / Vlad Murariu, Ancuta Pacurar, Csaba Gyenge 421 Study of the Reliability and Heat - Aging of the Axial Type Synchronous Generator with Permanent Magnets, Using the Biparametrical Weibull Model / Mihai-Valentin Păunescu, Ioan Târnovan, Daniela Păunescu 425 Kinematical Control for a Mobile Robot / Zoltan Szoke, Iuliu Negrean, Claudiu Schonstein, Kalman Kacso 431 Dynamic Control Function for a Mobile Robot / Zoltan Szoke, Iuliu Negrean, Claudiu Schonstein, Kalman Kacso
Iss. 3 443 Study of Rolling Resistance Mechanism / Mariana Arghir, Adrian Ilie Virgil Leu 449 Flatspotting Tire Testing / Mariana Arghir, Adrian Ilie Virgil Leu 455 Topological Optimization of an Acoustic Panel Under Periodic Load by Simulation / Iulian Lupea, Florina-Anca Stremţan 461 Device for Assessing the Flow Resistivity of Acoustic Absorbing Fibrous Materials / Iulian Lupea, Dan Porcar, Adrian Coroian 465 Simultaneous Optimization of Three Factors Relating to Quality Using Taguchi Experiences Plans / Anton Marius Popa 469 Influence of Rotation Angle on Bearing Rolling Bodies Load Distribution. Part I: Mathematical Model / Cristina Tudose, Florina Rusu, Lucian Tudose 475 Modeling of Mechanical Hand-Arm System Under Vibration Action / Anamaria Biriş, Claudiu Alin Gligor, Mariana Arghir 479 Specific Energy Consumption for Reducing the Size of Maize Grains Using a Hammer Mill / Ioan Budăcan, Dumitru Pop, Ioan Drocaş 485 Studies Regarding the Effect of the Sound Absorbing Materials on the Sound Pressure Level Inside the Simplified Passenger Cabin / Adrian Coroian, Iulian Lupea 493 Influence of Rotation Speed During Extrusion to the Properties and Morphology of Biopolymers Blend / Gabriel Fodorean, Constantin Cota, Nicolae Cioica 497 Lateral Force Variation Tire Testing / Adrian Ilie Virgil Leu, Mariana Arghir 509 Radial Force Variation Tire Testing / Adrian Ilie Virgil Leu, Mariana Arghir 515 Numeric Simulation of Hydroforming Deformation Process for T - Shaped Pipe Connections / Tudor E. Morar, Gheorghe Achimaş, Florin Mocean, Sorin Achimaş 523 Noise Analysis inside an Electric Vehicle during a Run up on the Road and on the Chassis Dynamometer / Marius Morariu, Iulian Lupea, Colin Anderson 531 The Sonic-Hydraulic Geotechnical Drilling Head and the Testing Rig / Vlad Murariu, Ancuta Pacurar, Csaba Gyenge 537 Possibilities of Increasing Connections Durability for Large Diameter Pipes, by Glass Coating Internal Surface / Cristel Mureşan, Gheorghe Achimaş 545 Contributions to the Modeling of a Mechanical System with Two Degrees of Freedom Corresponding to a Seat Driver System / Ioana Alexandra Muscă, Ioan Radu, Nicolae Ursu-Fischer 549 Diagnosis of Hearing Impairment by OHCs Gain Factor Determination / Alina-Sabina Paşca, Mariana Arghir 553 Research Regarding Modularity, Efficiency Law of Geometrical Organization / Alin Săcară, Marian Borzan, Gheorghe Achimaş 557 Research Regarding the Modular Stamping Tools / Alin Săcară, Marian Borzan, Gheorghe Achimaş 561 Determination of Sound Absorption of Double Micro-Perforated Absorbers by Two Analytical Methods / Florina-Anca Stremtan, Iulian Lupea 567 Wheelchair Control through Head Movements / Emőke Szelitzky, Sergiu Năsui, Dan Mândru 573 Vibration Analysis of a Gear Transmission / Florin Ţepeş-Bobescu, Alina Ţepeş -Bobescu, Mariana Arghir Oprac. BPK