- Docente: Umberto Meneghetti
- Credits: 6
- SSD: ING-IND/13
- Language: Italian
- Moduli: Umberto Meneghetti (Modulo 1) Marco Carricato (Modulo 2)
- Teaching Mode: Traditional lectures (Modulo 1) Traditional lectures (Modulo 2)
- Campus: Bologna
- Corso: First cycle degree programme (L) in Mechanical Engineering (cod. 0052)
Learning outcomes
Basic knowledge of modeling, analysis and synthesis problems for
coupling motor drives and operating devices, with particular
emphasis on mechanical power transmission and motion realization.
Course contents
Choice of motor drive.
Power measurement. Choice
of the motor on the basis of power requirement. Examples. Torque
characteristic and its experimental evaluation. Operating regime
and stability. Transient regime. Mass and torque reduction.
Joints and couplings
. Misalignment and its
measurement. Types of joints. Secondary torque.
Brakes and
clutches.
Types of industrial brakes. Torque calculation.
Energy dissipated in braking. Friction clutches; transient regime.
Hydrodynamic coupling.
Mechanical power transmission
elements.
Belts and chains. Gears and gear trains.
Variable speed drives. Planetary transmissions. Ball screws.
Elastodynamic modeling.
Elastodynamic modeling of
a power transmission with ball screw.
Motion
synthesis.
Properties of motion law.
Cams.
Types of cam mechanisms. Graphical synthesis
of a disc cam. Kinematic and static analysis. Base circle. Motion
law considerations. Spatial cams.
Intermittent
motion.
Geneva mechanism. Freewheeling clutches.
Planar linkages.
Sinthesys of crank-and-rocker
fourbar linkage. Other linkages.
Spatial linkages.
Position analysis of spatial linkages. Introduction to robot
manipulators analysis.
Introduction to fluid
power.
General considerations. Hydraulic pumps and motors.
Cylinders. Distributors. Valves. Other components. Hydraulic
circuits. Hydrostatic transmission. Examples.
Readings/Bibliography
E.Funaioli, A.Maggiore, U.Meneghetti, LEZIONI DI MECCANICA
APPLICATA ALLE MACCHINE, SECONDA PARTE: ELEMENTI DI MECCANICA DEGLI
AZIONAMENTI. Pàtron Editore, 2007, ISBN 978 88 555 2948 8
Sew-Eurodrive, MANUALE DEGLI ORGANI DI COMANDO. Tecniche Nuove,
1985, ISBN 88 7081 099 2
P.L.Magnani, G.Ruggieri, MECCANISMI PER MACCHINE AUTOMATICHE. Utet,
1986, ISBN 88 02 03934 8
Assofluid, L'OLEOIDRAULICA NELL'AMBITO INDUSTRIALE E MOBILE. Giugno
2004
Teaching methods
Lectures.
Assessment methods
Two intermediate optional tests, in case of positive result no written final test is required. Final oral examination with preliminary written test if required.
Teaching tools
Teacher's notes.
Office hours
See the website of Umberto Meneghetti
See the website of Marco Carricato