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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