MECHANICS OF MACHINES AND MECHANISMS
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- Versione italiana
- Academic year
- 2012/2013
- Teacher
- EMILIANO MUCCHI
- Credits
- 6
- Curriculum
- INDUSTRIALE
- Didactic period
- Primo Semestre
- SSD
- ING-IND/13
Training objectives
- The course provides the knowledge and methods for the functional synthesis of machines; in particular it deals with lubrication, gears, planar linkages and cam systems.
The course takes into account both the theoretical and the applicative point of view and includes numerical exercises. Prerequisites
- Courses of Mathematics, Physics, Theoretical Mechanics and Mechanics of Machines
Course programme
-
LUBRICATION: Lubricant viscosity and properties. Elementary theory of hydrodynamic lubrication; technical applications. Journal bearings: theory and design (use of Raimondi-Boyd diagrams). Hydrostatic lubrication; technical applications. Performances and applications of bearings.
GEARS: Spur gears: properties of the involute, velocity ratio, static analysis, manufacturing processes, contact ratio and interference, dimension standards, non-standard gear teeth, gear measurements. Helical gears. Bevel gears. Worm gears.
KINEMATIC SYNTHESIS OF PLANAR LINKAGES: Graphical and analytical methods for the functional design in the case of motion generation, path generation and function generation.
CAM SYSTEMS: Types of cams and followers. Design of a cam according to a given law of motion. Kinematic and kinetostatic analysis. Selection criteria for motion law. Didactic methods
- Theoretical/practical lessons.
Learning assessment procedures
- Written/oral examination.
Reference texts
- - E.Funaioli, A. Maggiore, U. Meneghetti, Lezioni di Meccanica applicata alle macchine, Prima parte, Fondamenti di Meccanica delle Macchine , Ed. Patron, Bologna, 2005.
- E.Funaioli, A. Maggiore, U. Meneghetti, Lezioni di Meccanica applicata alle macchine, Seconda parte, Elementi di Meccanica Degli azionamenti , Ed. Patron, Bologna, 2009.
website:
http://www.unife.it/ing/lm.meccanica/insegnamenti/meccanica-macchine-meccanismi/
Others:
- Jacazio G. e Piombo B., "Meccanica applicata alle macchine", Voll. I e II, Ed. Leprotto & Bella, Torino.
- Erdman A.G., Sandor G.N., "Mechanism Design, analysis and synthesis", Vol.1.
- Magnani P.L., Ruggieri G., "Meccanismi per macchine automatiche", UTET, Torino, 1986.
- Waldron K.J., Kinzel G.L., "Kinematics, Dynamics, and Design of Machinery", John-Wiley & Sons, 1999.
- Cossalter V., "Meccanica applicata alle macchine".
- Doughty S., "Mechanics of Machines", John-Wiley & Sons, 1988.
- Paul B., "Kinematics and dynamics of planar machinery", Prentice-Hall, 1979.
- Mabie H., Reinholtz C., "Mechanisms and dynamics of machinery", John-Wiley & Sons, 1987.
