Course Presentation

MACHINE THEORY
Bachelor in Mechanical Engineering
2011-2012 COURSE PRESENTATION
José Luis Pérez Díaz
Ignacio Valiente Blanco
David Mauricio Alba Lucero
Efrén Díez Jiménez
Timm Lauri
Berit Sanders
MACHINE THEORY
Bachelor in Mechanical Engineering
Department: Mechanical Engineering
Course type: Obligatory
Year: 3º
Credits: 6 ECTS* (includes: 42 h classroom+ 6 h practices+ exam)
Groups: 1 English group
Lectures: Tuesday and Thursday (9:00-10:30)
Practices: 4 practices of 1,5 h (1/2 group at a time)
* ECTS (European Credit Transfer System) represents the amount of work done by the student to meet program
objectives of the course. Includes hours of classes, hours of personal study, preparation of course works, testing,
etc.
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COURSE OBJECTIVES
Objectives:
► Introduction
to machine design principles and main
machine components. Provide the student with the best
tools for the synthesis of mechanisms and analysis and
design of other mechanical components.
Assumed knowledge:
► Engineering
Graphics
► Physics Complements
► Machine Mechanics
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PROFESSORS
Coordinating professor for Spanish groups:
► Higinio Rubio Alonso (1.1.H 23)
Coordinating professor for the English group:
► José Luis Pérez Díaz (1.1.C06)
Assistant professors for the English group:
► Mauricio Alba (1.1.H31)
► Ignacio Valiente (1.1.H31)
► Efrén Díaz Jiménez (1.1.C09)
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COURSE ORGANIZATION
Theory classes
Problem classes
► Proposed problems
► Problem solving in classes
Practices (4)
Course work (Assignment)
► Written report in electronic format
► Presentation of the work in class
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General course evaluation
Formula:
Grade= 0.3·(P.W) + 0.1·(Prac.) + 0.6·( [Max(PEx1+PEx2)/2] , FEx)
Optionally: Extraordinary exam: EE
Maximum of ( 0.3 PW + 0.1 Prac + 0.6 * EE , EE )
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COURSE PROGRAMME
1.- Introduction to kinematic and mechanisms.
1.1. DEGREES OF FREEDOM. GRÜBLER ECUATION.
1.2 FOUR-BAR LINCKAGE.
1.2. GRASHOF CONDITION.
1.3. SIX-BAR LINCKAGE.
2.- Software simulation of mechanisms. Pro-E.
3.- Spur gears.
2.1.- FUNDAMENTALS AND NOMENCLATURE OF
GEARS.
2.2.- DIMENSIONS OF SPUR GEARS.
2.3.- ASSEMBLY OF SPUR GEARS.
4.- Gear trains.
3.1.- ORDINARY GEAR TRAINS.
3.2.- EPICYCLIC GEAR TRAINS.
5.- Helical, hyperbolic and bevel gears.
4.1.- HELICAL GEARS. FORCE ANALYSIS IN GEARS.
4.2.- BEVEL GEARS. HYPERBOLIC GEARS.
6.- Cams
5.1.- CAMS AND FOLLOWERs.
5.2.- CAM SYNTHESIS.
7.- Shock and percussion in kinematic pairs.
8.- Synthesis of mechanisms.
7.1.- GRAPHICAL SYNTHESIS
7.2.- ANALYTICAL SYNTHESIS
9.- Regulation of machinery: flywheels. Balancing.
1.- Analytical mechanics applied to machinery.
7.1.- ANALYTICAL MECHANICS APPLIED TO
MECHANISMS.
7.2.- ANALYTICAL MECHANICS APPLIED TO
MECHANICAL SYSTEMS.
11.- Spatial Mechanisms: gyroscopes, Cardan joints and
rotating machines.
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PRACTICES
4 Practices. Students prepare a report in groups detailing practice stages and
answering the questions given in the guiding materials.
Practice 1.- PRO-E: Simulation of a mechanism.
►
Modeling a mechanisms in PRO-E. Simulation and Analysis.
Practice 2.- Gear dimensions and sizes
►
Measurement of gears. Defining teeth profile of spur gears by rack and pinion
method
Practice 3.- Gearboxes
►
Study of gearboxes. Arrangement of gears in gearboxes.
Practice 4.- PRO-E: Simulation of cams.
►
Simulation and analysis of cams.
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Literature
Erdman, A.G., Sandor, G.N. and Sridar Kota Mechanism Design. Prentice Hall,
2001. Fourth Edition.
Robert L. Norton. Diseño de Maquinaria. Ed.Mc Graw Hill 1995.
Artés, M. Mecánica. Editado por la U.N.E.D., 2003.
Baránov, G.G. Curso de Teoría de Máquinas y Mecanismos. Editorial MIR, 1985.
Henriot, G. Manual práctico de engranajes. Marcombo, 1967.
Lamadrid, A. y Corral, A. Cinemática y dinámica de máquinas. Publicado por ETSII de
la UPM. Madrid, 1992.
Litvin, F.L. & Fuentes, A. Gear Geometry and Applied Theory. Cambridge Universitary
Press, 2004.
Mabie, H.H. & Reinholtz, Ch.F. Mecanismos y dinámica de maquinaria. Limusa, 1998.
Moliner, P.R.; Martell,J. y Rodríguez, A. Elementos de Máquinas. Ed. U.N.E.D., 1976.
Niemann, G. Tratado teórico-práctico de Elementos de Máquinas. Ed. Labor. 1973.
Norton, R.L. Diseño de maquinaria. McGraw Hill, 2009.
Shigley, J.E. & Uicker, J.J. Teoría de máquinas y mecanismos. McGraw-Hill, 1998.
Simón, A.; Bataller, A.; Guerra, A.J.; Ortiz, A. y Cabrera, J.A. Fundamentos de Teoría
de Máquinas. Bellisco, 2000.
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