Mechanics of Machines 7 min read
Gears And Trains
Introduction: The slip and creep in the belt or rope drives is a common phenomenon, in the transmission of motion or…
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Mechanics of Machines 2 min read
Worm, Rack and Pinion Gears
RACK AND PINION WORM GEAR RACK AND PINION: The rack and pinion is used to convert between rotary and linear motion. The rack…
Mechanics of Machines 3 min read
Involute gear
The involute gear profile is the most commonly used system for gearing today, with cycloid gearing still used for some specialties such as clocks. In an…
Mechanics of Machines 5 min read
Fundamental Law of Gear-Tooth
Pitch point divides the line between the line of centers and its positiond ecides the velocity ratio of the two…
Mechanics of Machines 3 min read
Spur Gear Terminology
Spur Gear Terminology Addendum: The radial distance between the Pitch Circle and the top of the teeth. Arc of Action: Is the…
Mechanics of Machines 6 min read
Cam Design
The translational or rotational displacement of the follower is a function of the rotary angle of the cam. A designer…
Mechanics of Machines 3 min read
Classification of Cam Mechanisms
We can classify cam mechanisms by the modes of input/output motion, the configuration and arrangement of the follower, and the…
Mechanics of Machines 1 min read
Layout of plate cam profiles
· Drawing the displacement diagrams for the different kinds of the motions and the plate cam profiles for these different motions…
Mechanics of Machines 6 min read
KINEMATICS OF CAM MECHANISMS CAMS
INTRODUCTION A cam is a mechanical device used to transmit motion to a follower by direct contact. The driver is…
Mechanics of Machines 3 min read
BASICS OF MECHANISMS
Introduction: Definitions : Link or Element, Pairing of Elements with degrees of freedom, Grubler’s criterion (without derivation), Kinematic chain, Mechanism,…
Mechanics of Machines 3 min read
Kinematic Inversions of 4-bar chain and slider crank chains
· Types of Kinematic Chain: 1) Four bar chain 2) Single slider chain 3) Double Slider chain · Four bar Chain: The chain…
Mechanics of Machines 2 min read
Friction drives
Friction in screw threads: · Friction in screw and nut · Friction in screw jack · Problems in screw jack Screwjack: The screw…