“GH.ASACHI” TECHNICALUNIVERSITY ofIAŞI Aproved
FACULTY OF MECHANICAL ENGINEERINGDEAN
Department of Machine Manufacturing TechnologyProfessor eng. Spiridon Creţu, Ph. D.
Academic year 2005-2006
SYLABUS
for the discipline:
Machine Manufacturing Technology, MMT
Specialties: Thermal machines and equipments, Automotive vehicles, Machines and equipments for agriculture and food industry, Mechatronics, fourth year, second semester
Type of matter: compulsory matter
Courses holder: Professor eng. Laurenţiu SLĂTINEANU
Applicative activities holder:Assistant Professor Ciprian CIOFU
Structure in curricu
lum:
Semester / Number of hours per week / Evaluation / Number of credits, K / Total number of hours / Total number of hours at matterCourse / Seminar / Laboratory
activities / Project activities / C / S / L / P
8 / 3 / - / 1 / - / Exam / 4 / 42 / - / 14 / - / 56
CONTENT
A. THE STRUCTURE OF THE COURSE
1. Introductive notions concerning the machine manufacturing technology……………………….…2 hours
Fundamental concepts. Importance of the manufacturing processes. Technology as component of the integrated engineering. Production process, technological process and their component elements
Production categories in machine building. Manufacturability of machines and pieces
2. Workpieces used in machine building (2 hours)
Principles of workpieces selection. Workpieces categories. Workpieces preparing
3. Machining accuracy……………………….………………….…..………..……...... ……… 3 hours
Concept of machining accuracy. Factors which influence the machining accuracy. Categories of machining errors
4. Machined surfaces state……………………….………………….…..………..……...... ……3 hours
Concept of surface state. Surface roughness. Factors which influence the machined surface roughness. Influence of the roughness on the service characteristics of pieces
5. Design of the technological processes………………………… ……………………….………… 4 hours
Initial data for design of technological processes. Design stages. Establishing of the technological process structure. Calculus of the machining allowances and intermediate dimensions. Establishing of the working parameters. Technical norming. Technical economical evaluation of the technological process. Elaboration of the technological documents
6. Machining technologies of some surfaces categories……………………….………… ………..…5 hours
Machining of cylindrical revolution surfaces. Machining of the plane surfaces. Machining of the conical and profiled surfaces. Machining of the threads. Machining of the teeth
7. Machining of some pieces categories……………………….……………………..……...... 3 hours
Machining of pieces type shafts. Machining of pieces type sleeves. Machining of pieces type levers. Machining of gears
8. Manufacturing of metallic pieces by cold pressing……………………….………………….…..…3 hours
Fundamentals of cold pressing. Manufacturing technologies of metallic pieces by cold pressing
9. Manufacturing of metallic powder pieces……………………….………………….…..………..…2 hours
Powder obtaining. Preparing of powders. Technologies of obtaining pieces of metallic powders
10. Manufacturing of plastic pieces……………………….………………….…..………..……...... 2 hours
Fundamentals of plastic pieces manufacturing. Manufacturing technologies of plastic pieces
11. Non-traditional manufacturing processes……………………….………………….…..………..…3 hours
Manufacturing processes by electrical discharges. Electrochemical manufacturing processes. Chemical manufacturing processes. Plasma manufacturing processes. Ultrasonic manufacturing processes. Laser manufacturing processes. Electron beam manufacturing processes;
12. Thermal treatments……………………….………………….…..………..……...... ……… 2 hours
Fundamentals of thermal treatments. Thermal treatments technologies applied to metallic pieces
13. Equipment assembling……………………….………………….…..………..……...... …… 3 hours
Fundamentals of assembling processes. Assembling technologies
14. Repairing – reconditioning technologies……………………….………………….…..………..… 2 hours
Equipment damage. Identifying the disturbances and their causes. Reconditioning processes
15. Optimization of the manufacturing processes……………………….………………….…..……… 1 hour
The concept of manufacturing processes optimization. Methods of optimization
16. High productivity manufacturing processes……………………….………………….…..……….. 3 hours
Machining processes on machine tools with cam programme support. Machining on numerical controlled machine tools
B. THE STRUCTURE OF PRACTICAL APLICATIONS
1. Elements of work safety in the machining processes. Errors at the workpieces installation and clamping ...... 2 hours
2. Errors of tool positioning at the work dimension...... 2 hours
3. Influence of different factors on the machined surface roughness...... 2 hours
4. Sheets machining by cold pressing...... 2 hours
5. Non-traditional manufacturing methods ...... 2 hours
6. Numerical programming of the machine tools...... 2 hours
7. Elements of mechanical equipment assembling...... 2 hours
EVALUATION OF STUDENTS.
60 % - Answers at exam: 60 %;
30 % - Activities at laboratory: 30 % ;
10 % - Homework: 10 %.
SELECTIVE BIBLIOGRAPHY
1. Braha, V.,Nagîţ, G.- Stamping technologies. Design handbook (in Romanian). Kishinew: Tehnica Info Publishing House, 2002.
2. Diaconescu, G. et al. –Technology of fine mechanics and micromechanics (in Romanian). Vol. I and II. Bucharest: Editura Tehnică, 1985.
3. Epureanu, A., Pruteanu, O., Gavrilaş, I.Machine manufacturing technology.Bucharest: Editura Didactică şi Pedagogică, 1983.
4. Grămescu, T. – Technologies of fine mechanics (in Romanian). Kishinew: Publishing House Tehnica Info, 2002.
5. Kalpakjian, S. - Manufacturing Engineering and Technology. Addison-Wesley Publishing Company, 1995.
6. Marty, C. Linares, J.M. - Procédés de fabrication. Tome 3. Paris: Hermès Science Publications, 1999.
7. Pruteanu, O. et al. – Machine manufacturing technology (in Romanian). Bucharest: Editura Didactică şi Pedagogică, 1981.
8. Slătineanu, L., Nagîţ, Gh., Dodun, O., Coteaţă, M., Chinesta, F., Gonçalves-Coelho, A., Pamies Teixeira J., San Juan, M., Santo, L., Santos, F. - Non-traditional manufacturing processes. Khishinew: Publishing Tehnica Info, 2004.
9 Slătineanu, L. et. al. – Machining technologies on milling and boring machines (in Romanian). Iaşi: Editura Editura „Gh. Asachi” , 1997.
10. Taniguchi, N. –Nanotechnologies. Integrated processing systems for ultrafine and ultraprecision products (in Romanian). Bucharest: Editura Tehnică, 2000.
DISCIPLINE TITULAR,
Professor eng. Laurenţiu SLĂTINEANU, Ph. D.
HEAD OF THE DEPARTMENT,
Professor eng. Gavril MUSCĂ, Ph. D.
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