Mobilité EUt+
Retour

Page du cours ✏️


Mechanisms Design
31416
Description
Course Program

  • Kinematics and Curvature Analysis
    • Galilei-Varignon, Rivals, and Coriolis Theorems;
    • Poisson and Bour Formulas;
    • Instantaneous Center of Rotation and Chasles’ theorem;
    • Polar Trajectories and Transformation Matrices;
    • Center of Accelerations;
    • Vector Fields of Velocities and Accelerations;
    • Euler-Savary formula, Bobillier theorem, and Hartmann construction;
    • Circle of Inflections and Stationarity (Bresse circles);
    • Application Examples.

  • Machines and Mechanisms:
    • Pairs and Kinematic Chains;
    • Degrees of Freedom and Grübler’s criterion;
    • Type and Number Synthesis.

  • Kinematic Chains:
    • 4-member Chains: 4R, 3RP, 2R2P, RPRP;
    • 6-member Chains: Watt and Stephenson;
    • 8-member Chains.

  • Chains with Higher Pairs: Gear Trains, Cams, and Tendon-Driven Mechanisms.

  • Kinematic Inversion and Derived Mechanisms:
    • Grashof’s rule: Quadrilaterals and Crank Mechanisms;
    • Aronhold-Kennedy Theorem.

  • Kinematic Analysis of Planar Mechanisms:
    • Graph-numeric Methods: Polar Diagrams and Bresse circles;
    • Analytical Method: Loop Closure Equations;
    • Application Examples.

  • Articulated Mechanisms:
    • Path-generating Mechanisms;
    • Stationary Curvature Cubic and Center points;
    • Ball Point.

  • Classical Mechanisms:
    • Cardan, Watt, Scott-Russell, Roberts, Chebyshev, Evans Mechanisms;
    • Roberts-Chebyshev Theorem;
    • Dwell and Long-dwell Mechanisms;
    • Translating Motion Generators (parallel motion);
    • Force Multipliers (presses, crushers, gripping devices).

  • Function Generators;
  • Equations and Freudenstein Theorem;
  • Quick-Return Mechanisms (Fairbairn and Whitworth);
  • Intermittent Motion Mechanisms;
  • Pantographs and inverters;
  • Rigid Body Guidance Mechanisms for 2 and 3 Finite Positions;
  • Graphical and analytical methods by Suh & Radcliffe;
  • Case of Prismatic Pairs;

  • Mechanisms with Higher Pairs:
    • Conjugate Profiles and Euler-Savary Formula for Envelopes;
    • Equivalent Mechanisms;
    • Circle of Regress and Aronhold Theorems;
    • Theory of Planar Curve Envelopes (meshing equation);
    • Cam Mechanism Synthesis;
    • Gear design Synthesis;
    • Camus Theorem (Envelope and Epicyclic Methods).

  • Dynamics of Machines:
    • Inertia Tensor: Eigenvalues and Eigenvectors;
    • Dynamics of Rigid Rotors;
    • Static and Dynamic Balancing;
    • Rotors and Gyroscopic Effect;
    • Flywheel Design and Crank Mechanism Balancing;
    • Critical Bending Speeds and Torsional Pulsations.
Crédits ECTS
9
Langue d'enseignement
italiano
Langue d'examen
italiano
Langue des supports pédagogiques
italiano
Acquis d'apprentissage fondamentaux
Acquis d'apprentissage terminaux
Catégorie de cours
Entité de gestion (faculté)
Department of Civil and Mechanical Engineering (UNICAS)