ŞTEFAN CEL MARE UNIVERSITY of SUCEAVA, ROMANIA FACULTY of MECHANICAL ENGINEERING, MECHATRONICS AND MANAGEMENT MECHANICAL & TECHNOLOGY DEPARTMENT

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1 ŞTEFAN CEL MARE UNIVERSITY of SUCEAVA, ROMANIA FACULTY of MECHANICAL ENGINEERING, MECHATRONICS AND MANAGEMENT MECHANICAL & TECHNOLOGY DEPARTMENT TEHNOMUS Journal 2016

2 Copyright Department of Mechanics and Technologies FACULTY of MECHANICAL ENGINEERING, MECHATRONICS AND MANAGEMENT ŞTEFAN CEL MARE UNIVERSITY of SUCEAVA, ROMANIA Editura Universităţii Ştefan cel Mare din Suceava Str. Universităţii nr.13, , Suceava, Romania Telefon: int. 273 Editura este acreditată de Consiliul Naţional al Cercetării Ştiinţifice din Învăţământul superior CNCSIS COD 115

3 EDITORIAL BOARD / SCIENTIFIC COMMITTEE EDITORIAL BOARD Editor in chief: Romeo IONESCU General secretary editor: Constantin DULUCHEANU Secretary editor and web responsible: Traian Lucian SEVERIN, Petru BULAI, Sergiu SPÎNU Editors: Romeo IONESCU, Lucian SEVERIN SCIENTIFIC COMMITTEE Dumitru AMARANDEI, Ştefan cel Mare University of Suceava, Romania Ioan BAICU, Dunărea de Jos University of Galaţi, Romania Nicolai BĂNCESCU, Ştefan cel Mare University of Suceava, Romania Valentin DITU, Transilvania University of Braşov, Romania Romeo IONESCU, Ştefan cel Mare University of Suceava, Romania Sergiu MAZURU, Technical University of Chisinau, Republic of Moldova Dirck Merckx, Catholic University College of Ghent, Belgium Costel MIRONEASA, Ştefan cel Mare University of Suceava, Romania Viorel PĂUNOIU, Dunarea de Jos University of Galati, Faculty of Mechanics, Romania Mario Antonio RAMALHO, Technical University of Lisbon, Portugal, Eberhard ROSS, University of Applied Sciences, Augsburg, Germany Ilias SARAFIS, Technological Educational Institute of Kavala, Greece Lucian SEVERIN, Ştefan cel Mare University of Suceava, Romania Laurențiu SLĂTINEANU, Gheorghe Asachi Technical University of Iasi, Romania, Ionel STAREŢU, Transilvania University of Brasov, Romania Eugen STRĂJESCU, University POLITEHNICA of Bucharest, Romania Valery WOLFF, University of Lyon 1, France

4 Author instructions The full-length paper for publication should not be less than four pages and not more than eight, in English. Please follow the conference format. A maximum of two papers are accepted, by either a main author or a unique author. Prospective authors are kindly invited to submit full text papers including results, tables, figures and references. Full text papers will be accepted by tehnomus@fim.usv.ro.the Organizing Committee can accept only *.doc or *docx format. All the papers will be evaluated by two reviewers. Selected papers will be published in the TEHNOMUS Journal New Technologies and Products in Machine Manufacturing Technologies. Web address Contact: Faculty of Mechanical Engineering, Mechatronics and Management Department of Mechanics and Technologies Stefan cel Mare University of Suceava, Romania Str. Universitătii nr. 13, Corp B, SUCEAVA, ROMANIA Phone: (+40) int tehnomus@fim.usv.ro Journal web site: Faculty web site: University web site:

5 Some of the articles have been selected by the Scientific Committee from those presented at: The 18 th International Conference TEHNOMUS New Technologies and Products in Machines Manufacturing Technologies, Organized by: Mechanical and Technology Department Faculty of Mechanical Engineering, Mechatronics and Management Ştefan cel Mare University of SUCEAVA with the assistance of: The National Authority for Scientific Research Bucharest ANCS TEHNOMUS Association, Suceava, Romania S.C. SIDEM S.R.L. Suceava, Romania 8-9, May 2015, Suceava, ROMANIA INTERNATIONAL SCIENTIFIC COMMITTEE Antόnio Gonçalves Coelho, Portugal Akhloufi Moulay, Canada Amarandei Dumitru, Romania Cerlincă Delia, Romania Certan Valeriu, Rep. Moldova Doicin Cristian, Romania Fabre Agnès, France Fetecău Cătălin, Romania Georgescu Lucian, Romania Glovnea Marilena, Romania Henry Sebastien, France Ionescu Nicolae, Romania Ionescu Romeo, Romania Javorova Juliana, Bulgary Jobst Gorne, Germany Jos Vander Sloten, Belgium Juwet Mark, Belgium Massenzio Michel, France Mazuru Sergiu, Rep. Moldova Merckx Dirk, Belgium Mihai Ioan, Romania Mishev Georgi, Bulgary Muscă Ilie, Romania Nagîţ Gheorghe, Romania Nedelcu Dumitru, Romania Olaru Dumitru, Romania Oprisan Cezar, Romania Păstrăv Leonard, Belgium Păunoiu Viorel, Romania Ramalho Mario, Portugal Sarafis Ilias, Greece Schnakovszky Carol, Romania Seghedin Nicolae, Romania Severin Lucian, Romania Slatineanu Laurențiu, Romania Stareţu Ionel, Romania Ţierean Mircea Horia, Romania Velicu Ştefan, Romania Vida-Simiti Ioan, Romania Wolff Valery, France

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7 CONTENT: 1. ANALYSIS OF THE INFLUENCE OF RATIO BETWEEN CUTTING DEPTH AND NOSE RADIUS OF SPMR P30 PLATE OVER THE ELECTRIC CURRENT AT CUTTING OL37 STEEL Valentin Dițu 2. THE INFLUENCE OF HYDROTECHNICAL STRUCTURES ON THE MINOR RIVERBED MORPHOLOGY OF THE DANUBE, Alina-Florina Nicolae, Puiu Lucian Georgescu, Constantin Marius Raischi, Alexandru Petrescu, Madalina Georgiana Boboc 3. COLD STRANGLING HOLLOW PARTS FORCES CALCULATION OF CONICAL AND CONICAL WITH CYLINDRICAL COLLAR Lucian V. Severin, Traian Lucian Severin 4. ADJUSTABLE LIMITING CALIBERS FOR INTERIOR SURFACES Alexandru Potorac 5. THEORETICAL CONSIDERATION ON FORCE CALCULUS OF THE TOROIDAL AND TOROIDAL WITH CYLINDRICAL COLLAR COLD STRANGLING OF HOLLOW PARTS Traian Lucian Severin, Lucian V. Severin 6. TOOL FOR MANAGING PROCESSES WITHIN ORGANIZATIONS Alexandru POTORAC, Marius-Daniel BĂEȘU, Costică STOLERU 7. INFLUENCE OF THE GREASE ON FRICTION IN BALL-RACE CONTACTS Ianus Gelu, Dumitrascu Alina Corina, Olaru N. Dumitru 8. KEY PERFORMANCE INDICATORS IN SMALL AND MEDIUM SIZED ENTERPRISES Mirela Nastasiea, Costel Mironeasa 9. SOME CONSIDERATIONS ON PURE ROLLING IN MULTIBODY MECHANICAL SYSTEMS Alaci Stelian, Ciornei Florina-Carmen 10. PERFORMANCE MEASUREMENT IN SMALL AND MEDIUM SIZE ENTERPRISES Mirela Nastasiea, Costel Mironeasa 11. SOME ASPECTS UPON MODELLING THE BEHAVIOUR OF A CORRUGATED MEMBRANE USING FINITE ELEMENT ANALYSIS Ciornei Florina-Carmen, Alaci Stelian 12. UPON EXPERIMENTAL DATA INTERPOLATION USING POWER FUNCTIONS. PART I: THEORETICAL CONSIDERATIONS Alaci Stelian, Ciornei Florina-Carmen 13. UPON EXPERIMENTAL DATA INTERPOLATION USING POWER FUNCTIONS. PART II: APPLICATION OF INTERPOLATION TO INDENTATION TESTS DATA Ciornei Florina-Carmen, Alaci Stelian

8 14. MOLECULAR DYNAMICS SIMULATIONS OF FRICTION FORCE VERSUS LOAD Ana-Camelia Pirghie 15. FLEXIBLE PARTS MEASUREMENT SIMULATION WITH A CAD MODEL OBTAINED BY A REVERSE ENGINEERING METHOD Wolff Valéry, Tran Dinh Tin, Raynaud Stéphane 16. ON THE WALLS-LUBRICANT FILM INTERFACE Ana-Camelia Pirghie