Name: Notes for Machine Dynamics-2 - MD-2 by Sinay Namgyal
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Author: Sinay Namgyal

Motor Vehicle Steering Gears - Davis Steering Gear & Ackermann Steering Gear, Hooke’s Joint.

Mechanisms With Lower Pairs

Concept on Gyroscopic Couple for Plane Disc & Two-bladed airscrew,
Effect of Gyroscopic Couple on Ships & Aeroplanes, Stability of Two Wheelers and
Four Wheelers. Analysis on bearing reactions due to Forced Precession of Rotating
Disc mounted on Shafts, Introduction on Gyroscopic Stabilisation

Gyroscope

Gear terminology, law of gearing , Theory of shape and action of
tooth properties and methods of generation of standard tooth profiles, Standard
proportions, Path of contact, Arc of contact, Contact ratio, Interference and Under –
Cutting, Methods for eliminating Interference, Minimum number of teeth to avoid
interference.

Toothed Gears

Types of cams, Types of followers, Types of follower motions - Simple
Harmonic, Uniform Velocity and Constant Acceleration & Retardation Types, Analysis
for Displacement, velocity and Acceleration of Follower, Generation of Cam Profiles by
Graphical Method, Introduction on Cams with specified contours.

Cams

Centrifugal Governors - Watt, Porter, Proell and Spring Loaded Governor
of Hartnell type, Controlling Force & Controlling Force Curve, Sensitiveness, Stability,
Isochronism, Hunting, Governor Effort and Power, Effect of Friction & Coefficient of
insensitiveness.

Governors

Flywheel and Determination of its size from Turning Moment Diagram & Maximum Fluctuation of Energy

Dynamics Of Machines

Static and Dynamic Balancing, Balancing of Single Rotating Mass by
Balancing Masses in Same plane and in Different planes. Balancing of Several
Rotating Masses rotating in Same plane and in Different planes. Effect of Inertia Force
due to Reciprocating Mass on Engine Frame, Partial balance of single cylinder
engines. Primary and Secondary Balance of Multi-cylinder In-line Engines. Direct and
Reverse Crank method of balancing for radial engines.

Balancing

Introduction to Mechanical Vibration – Longitudinal, Transverse Systems, Concept on Degrees of Freedom. Free and Forced Vibration of Un-damped and Damped Single Degree Freedom Systems, Vibration isolation and transmissibility, Whirling of shafts and Evaluation of Critical Speeds of shafts.

Notes for Machine Dynamics-2 - MD-2 by Sinay Namgyal

BPUT ·

MD-2