{"id":41,"date":"2021-11-11T13:48:10","date_gmt":"2021-11-11T13:48:10","guid":{"rendered":"https:\/\/nordtech.ubm.ro\/?page_id=41"},"modified":"2021-11-12T12:32:31","modified_gmt":"2021-11-12T12:32:31","slug":"2002-2","status":"publish","type":"page","link":"https:\/\/nordtech.ubm.ro\/index.php\/issues\/2002-2\/","title":{"rendered":"Scientific Bulletin Series C, Volume XVI (2002)"},"content":{"rendered":"\n<p class=\"has-medium-font-size\"><strong>UTILIZATION OF COMPUTER PROGRAMS IN CAD AND 3D &#8211; MODELLING OF TOOTHED WHEELS AND GEARS<\/strong><\/p>\n\n\n\n<p><em>Prep. Drd. Eng. Dorel ANANIA, Prep. Drd. Eng. Ionut GHIONEA<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper presents aspects regarding the utilisation of computer programmes for CAD and 3D graphical modelling of cylindrical toothed wheels forming up gears. There are described some results of<br>software applications in the domain of computing the points that define the profile and the line of tooth flanks, as well as their 2 and 3 D representation; in modelling and animation of gears.<br><br><strong>Keywords<\/strong>: Computer Aided Design, hypocycloid, involute, toothed wheels, pitch circle, gears, 3D modelling<br>and animation<\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.01.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>GEARS &#8211; INCREASING DIMENSIONS DURING NITRADING PROCES<br>Process Capability Analyze and Solution for # 84D706978 Brake Adapter<\/strong><\/p>\n\n\n\n<p><em>Apan Odesteanu Ovidiu<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: # 84D706978 Brake Adapter has internal and external spline. The spline of the parts is grinded.<br>During nitrading process show up different random values at dimensions over pins which requested often<br>additional grinding on external spline which cause additional costs. The goal is using statistical method as<br>MINITAB software and Six Sigma tools to determined exact dimension(value) over pins and eliminate any additional job.<br><br><strong>Keywords<\/strong>: Eliminate scrap and additional job cost reduction during serial production<\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.02.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>M\u0103surarea ro\u0163ilor conice cu din\u0163i curbi pe centru de m\u0103surare universal GHIBLI TRAX, utiliz\u00e2nd QUINDOS<\/strong><\/p>\n\n\n\n<p><em>Drd.ing. D\u0103nil\u0103 BOB, ing. Mihaela BOB<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper purpose is to solve the problem of measuring of the bevel gears manufactured to<br>UNIO Satu Mare. We will consider the case of one bevel gear measured on a GHIBLI TRAX universal measuring center commanded by QUINDOS, using bevel gear-measurement soft modules.<br><br><strong>Keywords<\/strong>:  GHIBLI TRAX,  QUINDOS <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.03.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>ANALIZA INFLUEN\u0162EI UZURII CU\u0162ITELOR CAPULUI DE FREZAT ASUPRA PRECIZIEI DE PRELUCRARE A RO\u0162ILOR DIN\u0162ATE CONICE CU DIN\u0162I \u00ceN ARC DE CERC<\/strong><\/p>\n\n\n\n<p><em>Drd.ing. D\u0103nil\u0103 BOB<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper purpose is to analise the influence of milling cutters wear used of the bevel gears<br>manufacturing on manufacturing accuracy. We will consider the case of one bevel gear measured on a GHIBLI<br>TRAX universal measuring center commanded by QUINDOS, using bevel gear-measurement soft modules. The<br>tooths thicknesss and profile deviation will be measured and their variation with milling cutters wear will be<br>shown.<br><br><strong>Keywords<\/strong>:  QUINDOS <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.04.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>EXPERIMENTAL RESEARCH ON THE USE OF NODULAR GRAPHITE CAST IRON IN MAKING SPIROID WORM GEARS<\/strong><\/p>\n\n\n\n<p><em>Vasile BOLO\u015e, Prof.dr.eng., Codru\u0163a BOLO\u015e, Prof.dr.eng.<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper presents the recommendations made in technical writing for the execution of spiroid worm gears. Then, the results of a personal study are highlighted on the behavior of a spiroid worm gear with the worm made of alloyed steel 41 Mo Cr11 hardened by ionic nitration and the worm gear made of nodular graphite cast iron.<br><br><strong>Keywords<\/strong>:  worm gear, spiroid, try-outs, thermal resistance limit, graphite nodular cast iron <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.05.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>CERCET\u0102RI PRIVIND INFLUEN\u0162A LUBRIFIANTULUI ASUPRA CALIT\u0102\u0162II FLANCULUI RO\u0162II DIN\u0162ATE INTERIOARE \u015eTAN\u0162ATE DIN TABLA GROAS\u0102<\/strong><\/p>\n\n\n\n<p><em>\u015fef lucr. dr. ing. Lucian Butnar<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: Lucrarea prezint\u0103 aspecte legate de influen\u0163a lubrifiantului introdus la suprafa\u0163a de contact<br>scul\u0103-pies\u0103 \u00een procesul de fabricare prin \u015ftan\u0163are a ro\u0163ilor din\u0163ate interioare cilindrice cu din\u0163i drep\u0163i.<br>Cercet\u0103rile experimentale au fost desf\u0103\u015furate \u201cin situ\u201d la S.C. Matrix S.A. Baia Mare. \u00cen urma prelucr\u0103rii cu<br>diferi\u0163i lubrifian\u0163i s-a analizat \u00eentinderea zonei netede a flancului \u015ftan\u0163at, rugozitatea sa \u015fi s-a urm\u0103rit evolu\u0163ia<br>acesteia.<br><br><strong>Keywords<\/strong>:  lubrifiant, roat\u0103 din\u021bat\u0103, rugozitate <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.06.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>CERCET\u0102RI PRIVIND COMPORTAREA RANDAMENTULUI ANGRENALUI MELCAT CU CORPURI DE ROSTOGOLIRE CU VARIA\u0162IA PARAMETRILOR DE FUNC\u0162IONARE<\/strong><\/p>\n\n\n\n<p><em>Conf.dr.ing. R. Cote\u0163iu<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: Taking in account the lower values of classical wormgears efficiency, the studies of the wormgears with rolling elements is important. The paper presents theoretical and experimental results regard the values of efficiency in various function conditions.<br><br><strong>Keywords<\/strong>:  angrenaje melcate speciale, frecare de rostogolire, randament <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.07.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>CERCET\u0102RI TEORETICE \u015eI EXPERIMENTALE PRIVIND RANDAMENTUL ANGRENAJULUI MELCAT GLOBOIDAL CU BILE LA VARIA\u0162IA UNOR PARAMETRI GEOMETRICI<\/strong><\/p>\n\n\n\n<p><em>Conf.dr.ing. R. Cote\u0163iu<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: Taking in account the lower values of classical wormgears efficiency, the studies of the wormgears with rolling elements is important. The paper presents theoretical and experimental results regard the values of efficiency in various function conditions and the influence of geometrical parameters variation.<br><br><strong>Keywords<\/strong>:  angrenaje melcate, randament, rostogolire, coeficient de frecare <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.08.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>GENERAREA CURBELOR DE TIP CICLOIDAL CU AJUTORUL LIMBAJULUI AutoLISP sub AutoCAD<\/strong><\/p>\n\n\n\n<p><em>\u015eef de lucr. ing. Anamaria D\u0102SC\u0102LESCU<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: Taking in account the lower values ofIn this paper we present, in a unitary form, all types of cycloidall-evolvent curves using the same generating scheme and the same parametric equations system. Particularising the tangent\u2019s type and the values domains for the centroides\u2019 radius of the generating scheme, we obtain a certain type of cycloidall curve. We present a program in AutoLISP rolls under AutoCAD who permits the representation of the connecting rod\u2019s curves, generated by quadrilateral mechanisms. The writing of the file is based on parametric equations of Cartesian coordinates of the connecting rod curve\u2019s generating point. The file creates accessible commands from AutoCAD Program, obtaining the cycloidall curve and, also, the equidistant to the cycloidall curve as polilines.<br><br><strong>Keywords<\/strong>:  limbaj AutoLISP; cicloide, ecua\u0163ii cicloidei, generare cicloide <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.09.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>ON THE GEARING SIMULATION USING FINITE ELEMENTS METHODS<\/strong><\/p>\n\n\n\n<p><em>Prof. Dr. Eng. George DOBRE, Dr. Eng. Radu Florin MIRIC\u0102, Dr. Eng. \u015etefan SOROHAN<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper contains an analysis of the using finite element methods of the spur gears<br>with the consideration of most profile forms (tip profile correction) and profile deviations. The<br>analysis is developed for spur gears because of available resources. The deviation considered is the<br>one of profile form, with a multiple variation along the tooth profile. The paper offers and<br>discusses results of tooth and contact stress that are carried out by finite elements analysis.<br><br><strong>Keywords<\/strong>:  Simulation, FEA method <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.10.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>POSIBILIT\u0102\u0162I DE UTILIZARE A MATERIALELOR PLASTICE PERFORMANTE LA TRANSMISII MECANICE CU ANGRENAJE<\/strong><\/p>\n\n\n\n<p><em>ing. EBERST OTT\u00d3, ing. POP SEVER, dr. ing. KAL\u00c1CSKA G\u00c1BOR<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: In the hereby work it is presented the analyses of using high quality plastics in the manufacturing of gears. There are presented the main types of industrial plastics, pointing out its features, which are connected to the gears design. The work is concluded with the presentation of a practical, real application, using a plastic material for the construction of a spiral wheel.<br><br><strong>Keywords<\/strong>:   quality plastics,  gear,  spiral wheel  <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.11.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>CONTRIBUTIONS OF GENERATING THE INTERNAL INVOLUTE SURFACES OBTAINED BY WRAPPING WITH HOBBING CUTTER<\/strong><\/p>\n\n\n\n<p><em>Dipl. Dr. Eng. Dorin Eftimie<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: This issue is giving a new technological solution for hob internal gear. The tests and the experimental results are relevant for extending this method. Based on theoretical and experimental results of the subject, they can be outlined the main contributions of the author on developing of an universal hobbing cutter (which depends only on module and reference rack) and present results, meanings, conclusions.<br><br><strong>Keywords<\/strong>: internal gear,  universal hobbing cutter   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.12.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>CONTRIBUTIONS TO FINE MACHINING OF TOOTH CONSTRUCTION BY COLD PLASTICAL DEFORMATION<\/strong><\/p>\n\n\n\n<p><em>Dipl. Dr. Eng. Dorin Eftimie<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: This issue presents a method and also tools concerning fine machining tooth construction mode with tool-machines in common with advantages which will substantially modifie the classic approach.<br><br><strong>Keywords<\/strong>:  tooth construction,  plastical deformation   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.13.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>GENERATING KINEMATICS AND THE NUMERICAL STUDY OF THE TOOTHING WITH FLANK HYPOCYCLOID LINE AT THE RACK BAR<\/strong><\/p>\n\n\n\n<p><em>Prof. dr. ing. Adrian GHIONEA, Prep. drd. ing. Dorel ANANIA, Prep. drd. ing. Ionu\u0163 GHIONEA<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: This paper presents some fundamental aspects concerning the generating kinematics and the elements of the milling head used withine hypocycloid toothing process at the rack bar. There are also defined analytically and numerically examined profile, line and the crowning of the flanks generated. Diferent values of the constructive parameters defining the tool used and the generating toothing are taken into account. Some<br>programs of calculation and of representation are used for the characteristic lines of the generated flanks.<br><br><strong>Keywords<\/strong>:  curved toothing, base, rolling, generating kinematics, tool, cutting edges, hypocycloid line flank,<br>radius of curved shape, crowning.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.14.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>ESTIMATION OF RESIDUAL RESOURCE OF TOOL SCREWED JOINTS FROM VIEWPOINT OF DESTRUCTIVE MECHANICS<\/strong><\/p>\n\n\n\n<p><em>prof. Ye. I. Kryzhanivskyi, prof. V. M. Ivasiv, prof. B. D. Malko, ing. R. V. Rachkevych<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: -.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.15.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>MOVEMENT REGIMES OF THE LIFTING GEAR OF A DRILLING RIG<\/strong><\/p>\n\n\n\n<p><em>Malko B.D., Ivasiv V.M.<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: -.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.16.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>O PROCEDUR\u0102 DE M\u0102SURARE GEOMETRIC\u0102 \u015eI VIBROACUSTIC\u0102 A ANGRENAJELOR CONICE CU DIN\u0162I CURBI<\/strong><\/p>\n\n\n\n<p><em>Cornel MIHAI<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: -.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.17.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>THERMAL CALCULUS OF THE WORM GEARBOXES IN THE TRANSIENT OPERATING CONDITIONS<\/strong><\/p>\n\n\n\n<p><em>Radu Florin MIRIC\u0102, George DOBRE, Gheorghe MILOIU<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The present paper proposes a simple yet efficient method for evaluating the thermal behaviour of worm gearboxes in transient operating conditions. The main characteristic of this proposed method is the estimation of the sump temperature in time, since the limitation of this temperature is the main criterion for gearbox thermal rating. An application and its discussion are given in the final part of the paper.<br><br><strong>Keywords<\/strong>:  Worm gearbox, thermal calculus, and transient operating conditions.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.18.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>FACTORII CARE INFLUEN\u0162EAZ\u0102 ABATERILE DIMENSIONALE A RO\u0162ILOR DIN\u0162ATE \u015eI PINIOANELOR OB\u0162INUTE PRIN DEFORMARE PLASTIC\u0102 DE PRECIZIE<\/strong><\/p>\n\n\n\n<p><em>Dr. ing. PETRU MUNTEAN, Prof. RODICA MUNTEAN<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper presents the factors, which influence the dimensional deviations of the cogwheels and pinions obtained out of plastic deformation namely \u2013 the tools manufacturing, the elastic deformation, the fluctuation of working condition, the surface flaws of half\u2013finished products on design \u2013 and the result is that the main factor is the plastic deformation of the tools. The paper offers additional information on the control of the negative effects that follow as an outcome of these factors.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.19.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>FACTORII CPROCEDEE MODERNE DE DEFORMARE PLASTIC\u0102 PENTRU FABRICAREA PINIOANELOR \u015eI A RO\u0162ILOR DIN\u0162ATE<\/strong><\/p>\n\n\n\n<p><em>Dr. ing. PETRU MUNTEAN, Prof. RODICA MUNTEAN<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper presents three of the most modern methods of manufacturing the cog wheels and pinions by plastic deformation inside closed mould using methods like: divided flow, the axial power drive of the container and the double flow method that involves friction. The paper also presents ideas on the pressure of deformation and on the principle of the flow release as an instrument of its own reduction.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.20.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>ASUPRA UNOR PARAMETRI DE CORELARE DINAMIC\u0102 A TRANSMISIILOR PLANETARE UTILIZATE LA MA\u015eINILE-UNELTE<\/strong><\/p>\n\n\n\n<p><em>Vasile NASUI, Gabor PAY, Radu VELICU<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper present the results of the research regarding the identification of some parameters of control and checking to obtain the best correlation of the movements at machine-tools as well as the oportuning to use planetary mechanisms. Also by the dynamic modeling it is given the equation of the performances of the systems and the way of applyingthe concept of dynamic regulation system.<br><br><strong>Keywords<\/strong>:  planetary reducers, power flood, and gearbox, mechanical efficiency.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.21.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>THE EVALUATION OF DRILLING PIPES DURABILITY AT ASYMMETRICAL CYCLE<\/strong><\/p>\n\n\n\n<p><em>D.Y. Petrina, Y.D. Petrina, I.P. Martsinkovska<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The different application methods of material fatigue properties investigation leads to<br>construction of dissimilar fatigue curves. The calculation of durability at transit from one method of construction endurance curve to another are observed. The coefficients for recalculation of limited durability corresponded to investigations by different methods were offered.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.22.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>THE RELATIONS OF ACCURACY PARAMETERS OF CYLINDRICAL SURFACES<\/strong><\/p>\n\n\n\n<p><em>Prof. Bohdan D. Storozh, Prof. Roman T. Karpyk, Eng. Yaroslav B. Storozh<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: This paper is aimed at obtaining the relations of accuracy parameters of cylindrical surfaces of machined parts. The relations are based on the fact that manufacturing factors responsible for errors of the surface form and position are chiefly common for different kinds of errors.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.23.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>OPTIMIZAREA PROCESULUI DE DANTURARE CU SCULA CU\u0162IT-ROAT\u0102<\/strong><\/p>\n\n\n\n<p><em>Conf. Dr. Ing. Ec. Vasile \u0162IPLEA<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: Lucrarea abordeaz\u0103 determinarea regimului de a\u015fchiere optim \u00een cazul mortez\u0103rii ro\u0163ilor din\u0163ate<br>cilindrice prin cercetare experimental\u0103, utiliz\u00e2nd o metod\u0103 practic\u0103, precis\u0103 \u015fi economic\u0103.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.24.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>INFLUEN\u0162A REGIMULUI DE A\u015eCHIERE ASUPRA RUGOZIT\u0102\u0162II DANTURII RO\u0162ILOR DIN\u0162ATE CILINDRICE<\/strong><\/p>\n\n\n\n<p><em>Conf. Dr. Ing. Ec. Vasile \u0162IPLEA<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: Lucrarea determin\u0103 prin cercet\u0103ri experimentale pe un lot de ro\u0163i din\u0163ate cilindrice cu din\u0163i drep\u0163i<br>m\u0103rimea rugozit\u0103\u0163ii de flanc \u015fi de profil, \u00een func\u0163ie de regimul de a\u015fchiere.<br><br><strong>Keywords<\/strong>:  -.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.25.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>CINEMATICA RO\u0162II DIN\u0162ATE CU PROFIL EVOLVENTIC \u00ceN ANGRENARE CU PROFILURILE DREPTE SITUATE \u00ceN PLANUL BIELEI MECANISMULUI PATIN\u0102-OSCILANT\u0102<\/strong><\/p>\n\n\n\n<p><em>Prof. univ. dr. ing. Vasile TISAN<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The paper determines the kinematics parameters\u2019 expressions and variations of the involute gear in gearing with straight line profiles situated in the plane of the connecting rod of the mechanism with oscillating crosshead slipper, that changes the continuous rotation movement of the driving shaft in intermittent rotation of the gear\u2019s driven shaft.<br><br><strong>Keywords<\/strong>:  mechanism with intermittent motion, kinematics parameters, parameters\u2019 variation.   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.26.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>ANALYZE OF RELIABILITY OF GEARS<\/strong><\/p>\n\n\n\n<p><em>Assoc. prof. Nicolae UNGUREANU, PhD., Dipl-eng. Miorita UNGUREANU, Lecturer Sorin MIHAILESCU, PhD.<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: The papers presents the results of the analyze of reliability of gears. The graphic representation of the equations for limit wear load and reliability of gears, built with Mathcad, permit to studies the influences of each factor from equations to wear and reliability. The papers presents also some methods for improve the reliability of gears.<br><br><strong>Keywords<\/strong>:  limit wear load, allowable wear, reliability   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.27.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>THE FUNCTION PROPERTIES OF THE CONIC WHEELS IN THE TRACTOR CENTRAL TRANSMISSIONS<\/strong><\/p>\n\n\n\n<p><em>Dr. V. Zagrebelnij, dr. E. Kobec, dr. I. Siposs<\/em><\/p>\n\n\n\n<p><strong>Abstract<\/strong>: In the article the indexes of function property of central transmission tractor and methodics their determination is considered.<br><br><strong>Keywords<\/strong>:  &#8211;   <\/p>\n\n\n\n<p><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2002\/2002.01.28.pdf\" data-type=\"page\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UTILIZATION OF COMPUTER PROGRAMS IN CAD AND 3D &#8211; MODELLING OF TOOTHED WHEELS AND GEARS Prep. Drd. Eng. Dorel ANANIA, Prep. Drd. Eng. Ionut GHIONEA<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":37,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-41","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/41"}],"collection":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/comments?post=41"}],"version-history":[{"count":41,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/41\/revisions"}],"predecessor-version":[{"id":126,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/41\/revisions\/126"}],"up":[{"embeddable":true,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/37"}],"wp:attachment":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/media?parent=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}