DESIGN OF MACHINE ELEMENTS
The course aims to introduce students to product design.
The course aims to introduce students to product design, with particular reference to the design process and to design for safety, for manufacturability, for cost, for assembly and for environment.
Design of mechanical elements
Connections that cannot be dismantled: Welds. Riveted joints. Glued on joints. Forced connections.
Connections that can be dismantled: Threads. Power screws. Threaded connections. Set screws (outlines). Elements for the motion transmission between co-axial members (outlines): Gib-head keys; Woodruff keys; Pins.
Elements for transmission of power and lifting: Gears. Flexible elements: Belts; Wire ropes; Chains.
Members for storage or transfer of energy associated to rotating motion.
Brakes. Clutches. Flywheels.
Bearings: Rolling contact bearings. Journal bearings.
Axles and shafts: Static design. Dynamic design.
Elements of product design
New approach European Directives (outline).
Standards for the safety of machinery: Machinery Directive and Italian D. Lgs. 81/2008.
Total Design. Product design specification.
Cooperative and Eco-compliant Design.
Design for “X” (specifically: Design for manufacturing and for assembly/disassembly).
De Paulis A., Manfredi E., Costruzione di macchine: Criteri di base e applicazioni principali, Pearson Italia - Milano, 2012
Additional suggested books:
Shigley J.E., Progetto e costruzione di macchine, 2a ed., McGraw-Hill, 2009
Chirone, E., Tornincasa, S., Disegno tecnico industriale, Ed. Il Capitello - Torino, 2011
Medri G., Cenni di progettazione di prodotto, Liguori Editore, 2008
Ricevimento: The teacher is available for the students at the end of each lesson.
Ricevimento: The teacher is available for the students at the end of lessons and by appointment
ROBERTO RAZZOLI (President)
MARGHERITA MONTI (President)
Written and oral examination. The written test regards the solution of one exercise. The oral examination consists of two questions on theory. A positive evaluation of the written test is necessary condition to access the oral examination.