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Theory of Machines

Video Module 3: Machines & Production

Theory of Machines

Theory of Machines (TOM) is a core subject in Mechanical Engineering (Diploma & Degree) that explains how machine parts move, interact, and transmit motion and power. It builds the foundation for designing efficient, safe, and reliable machines used in production and manufacturing.

Objectives of the Subject
- Understand motion of machine components
- Analyze velocity, acceleration, and forces
- Study mechanisms and kinematic chains
- Learn power transmission systems
- Apply concepts to real industrial machines
Syllabus Overview / Main Units

Introduction to Mechanisms
- Machine vs Mechanism
- Links, Pairs, and Chains
- Types of kinematic pairs
- Degree of freedom (mobility)
Kinematic Chains & Inversions
- Four-bar chain
- Single slider crank chain
- Double slider crank chain
- Practical applications of inversions
Velocity & Acceleration Analysis
- Relative velocity method
- Velocity and acceleration diagrams
- Motion of links in mechanisms
Cams and Followers
- Types of cams
- Types of followers
- Displacement diagrams
- Applications in engines and automation
Gears & Gear Trains
- Types of gears (spur, helical, bevel, worm)
- Simple, compound, and epicyclic gear trains
- Velocity ratio and torque transmission
Flywheel & Governors
- Fluctuation of energy
- Coefficient of fluctuation of speed
- Types of governors (centrifugal, inertia)
- Speed regulation in engines