- Docente: Marco Troncossi
- Credits: 6
- SSD: ING-IND/13
- Language: Italian
- Teaching Mode: Traditional lectures
- Campus: Forli
- Corso: First cycle degree programme (L) in Mechanical Engineering (cod. 0949)
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from Sep 16, 2024 to Dec 20, 2024
Learning outcomes
Students will learn fundamental topics and methodologies for the study of problems concerning the modelling, the analysis and the design of mechanical transmissions components and hydraulic drives, and the fundamentals of hydrodynamic lubrication.
Course contents
Drives (47 hours)
- Introduction: power, absorption, efficiency, torque-speed characteristics, transients, periodic range, flywheels.
- Couplers: classification, solid couplings, Hooke's joint, constant velocity joints, flexible joints, dynamic modelling.
- Clutches: classification, disk friction clutches, conical friction clutches, transients.
- Brakes: classification, block brakes, transients, brake torque.
- Gear trains: ordinary gearings, epyciclic trains, differential trains, change gears.
- Variable-speed drives: classification, choice of a variable-speed drive.
- Cams: trajectory planning, cam-systems.
- Hydraulic transmissions: fundamentals of hydraulic transmission; main components of hydraulic circuits; analysis of basic hydraulic circuits.
Lubrication (6 hours)
- Introduction to lubricated kinematic pairs. Hydrodynamic lubrication of prismatic and revolute joints. Hydrostatic lubrication (hints).
Applications: solution of practical problems (exam questions) (7 hours)
Readings/Bibliography
Reference manuals
- E. Funaioli, A. Maggiore, U. Meneghetti, Lezioni di Meccanica Applicata alle Macchine –Prima Parte: Fondamenti di Meccanica delle Macchine, Patron, Bologna, 2005.
- E. Funaioli, A. Maggiore, U. Meneghetti, Lezioni di Meccanica Applicata alle Macchine –Seconda Parte: Elementi di Meccanica degli Azionamenti, Patron, Bologna, 2009.
Suggested books
- J.J. Uicker, G.R. Pennock, J.E. Shigley. Theory of Machines and Mechanisms, Oxford University Press, Oxford, 2003.
- C.E. Wilson, J.P. Sadler. Kinematics and Dynamics of Machinery, Pearson Education - Prentice Hall, Singapore, 2006.
- R. Ghigliazza, C.U. Galletti, Meccanica Applicata alle Macchine, Utet, Torino, 1986.
- P.L. Magnani, G. Ruggieri, Meccanismi per Macchine Automatiche , Utet, Torino, 1986.
In-depth readings
- G. Legnani, M. Tiboni, R. Adamini, Meccanica degli Azionamenti – Vol. 1 Azionamenti elettrici, Progetto Leonardo, Bologna, 2003.
- U. Belladonna, Elementi di Oleodinamica, Hoepli, Milano, 2001.
Teaching methods
Theoretical lectures and application examples.
In consideration of the type of activity and the teaching methods adopted, the attendance of this training activity requires the prior participation of all students in the training modules 1 and 2 on safety, in e-learning mode.
Assessment methods
Written examination: 5 questions about theoretical aspects and, mainly, applications.
Optional oral examination for a score variation of 2-3 points at most.
Teaching tools
Slides are used as a support for the lesson presetations. Pdf files of the presentation (along with suggested readings, past exams/solutions and additional supplementary material) are available at https://virtuale.unibo.it/
Links to further information
http://www.unibo.it/docenti/marco.troncossi
Office hours
See the website of Marco Troncossi
SDGs
This teaching activity contributes to the achievement of the Sustainable Development Goals of the UN 2030 Agenda.