AI25302 Theory of Machines – Semester III – Agri – R-2025

Subject Code & Name: AI25302 – Theory of Machines

Regulation: R-2025

Semester: III (Third Semester)

Branch: B.Tech. Agricultural Engineering (Agri)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

  • To impart knowledge on kinematics and dynamics of mechanisms, gears, friction elements, and vibrations.

Full Unit-wise Syllabus

Unit I – Kinematics of Mechanisms, CAMS

Kinematic pairs, chains, inversions, and analysis of mechanisms using graphical and analytical methods - Cam types, follower motion, displacement diagrams, and cam profile design.

Activities: Poster presentation on application of cams in agricultural machinery.

Unit II – Gears, Gear Trains, Power Transmission

Gear geometry, tooth action, interference, and gear trains including epicyclic systems - Belt, rope, chain drives, clutches, brakes, and lubrication principles in power transmission.

Activities: Flipped class on high-performance polymer gears

Unit III – Friction, Force Analysis

Friction in machine elements, lubrication regimes, and static force analysis using free body diagrams - Dynamic force analysis with inertia effects and application of D’Alembert’s principle.

Activities: Seminar on Use of tribological coatings for friction reduction

Unit IV – Balancing, Vibration of Machines

Balancing of rotating and reciprocating masses and balancing machines - Free and forced vibrations, damping, critical speed, torsional vibrations, and vibration isolation.

Activities: Quiz on Smart vibration monitoring systems

Course Outcomes (COs)

  • CO1: Explain kinematic analysis of mechanisms and cam systems.
  • CO2: Analyze gear systems and power transmission mechanisms.
  • CO3: Evaluate friction effects and perform static and dynamic force analysis.
  • CO4: Analyze balancing and vibration characteristics of mechanical systems.

Assessment Pattern (Quick Note)

  • Weightage: Continuous Assessment 40% | End Semester Examinations 60%
  • Internal methodology: Quiz - 10%, Poster presentation - 15%; Report preparation from Case study – 10%, Seminar report – 15%, Internal Examinations – 50%

Source: Official Anna University – B.Tech. Agricultural Engineering R-2025 Curriculum
Last Updated: September 2026

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