DESIGN OF MACHINE ELEMENTS

DESIGN OF MACHINE ELEMENTS

_
iten
Code
84337
ACADEMIC YEAR
2017/2018
CREDITS
6 credits during the 3nd year of 8784 Mechanical Engineering (L-9) LA SPEZIA
SCIENTIFIC DISCIPLINARY SECTOR
ING-IND/15
LANGUAGE
Italian
TEACHING LOCATION
LA SPEZIA (Mechanical Engineering)
semester
2° Semester
modules
This unit is a module of:

OVERVIEW

The course aims to introduce students to product design.

AIMS AND CONTENT

LEARNING OUTCOMES

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.

Teaching methods

Classroom lessons.

SYLLABUS/CONTENT

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.

Mechanical springs.

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.

Crankshafts.

 

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).

RECOMMENDED READING/BIBLIOGRAPHY

Reference book:

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

TEACHERS AND EXAM BOARD

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

Exam Board

ROBERTO RAZZOLI (President)

MARGHERITA MONTI (President)

FRANCESCO CRENNA

GIOVANNI BERSELLI

LESSONS

Teaching methods

Classroom lessons.

EXAMS

Exam description

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.