Unit MECHANICS OF MACHINES
- Course
- Industrial engineering
- Study-unit Code
- 70091010
- Curriculum
- In all curricula
- Teacher
- Maria Cristina Valigi
- Teachers
-
- Maria Cristina Valigi
- Hours
- 90 ore - Maria Cristina Valigi
- CFU
- 10
- Course Regulation
- Coorte 2018
- Offered
- 2019/20
- Learning activities
- Caratterizzante
- Area
- Ingegneria meccanica
- Academic discipline
- ING-IND/13
- Type of study-unit
- Obbligatorio (Required)
- Type of learning activities
- Attività formativa monodisciplinare
- Language of instruction
- Italian
- Contents
- -Kinematic pairs and mechanisms.
-Friction and wear.
-Lubrication.
-Efficiency of machines and group of machines.
-Kinetostatic and kinematics analysis of planar mechanisms with graphical and analytical methods.
-Preliminary design
of gearings and transmission systems.
-Mechanical vibrations.
-Lagrangian dynamics to mechanisms and mechanical systems.
-Motion transmission with flexible elements.
-Balancing of alternative mechanisms. - Reference texts
- 1)Funaioli E., Maggiore A., Meneghetti U., Lezioni di Meccanica applicata alle macchine. Prima parte: Fondamenti di Meccanica delle Macchine, ed. Patron, Bologna.
2) S.Papini,
M.Malvezzi,S.Falomi Esercitazioni di meccanica applicata alle macchine: 1 Ed.Esculapio
3)S.Papini,
M.Malvezzi,M.C.Valigi Esercitazioni di meccanica applicata alle macchine: 2 Ed.Esculapio
3) - Educational objectives
- Applications of fundamentals for the kinematic, static, and dynamic analysis of mechanical systems commonly found in machinery.
- Prerequisites
- knowledge and competencies in theoretical mechanics
and analytical dynamics. - Teaching methods
- Face-to-face theoretical lessons and exercises.
- Other information
- Attending students have the possibility of examination in itinere.
- Learning verification modality
- A written examination. and an oral examination.
- Extended program
- Definition of machine. Kinematic chains and mechanisms. Kinematic pairs. rinciple of Tribology. Contact forces. Efficiency. Friction. Coulomb friction. Coefficient of friction. Wear. Reye principle. Rolling friction.The free-body diagram. Superposition. Graphical force analysis. Analytical Statics. Calculating Reactions. The Principle of Virtual Work. Kinetic Energy. D'Alembert principle and Inertial forces. Lagrange's equations.Fundamental law of Gearing. Spur Gears and helical gears. Gear Tooth forces. Gear trains. Planetary Gear trains. Fixed and movable pulley.Belt drives.Mechanical vibrations: Single dof model. Free response and forced response of the single dof system. Multiple dofs.Balancing of machinery.