Types of Gears Video Lecture | Theory of Machines (TOM) - Mechanical Engineering

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1. What are the different types of gears used in mechanical engineering?
Ans. There are several types of gears used in mechanical engineering, including spur gears, helical gears, bevel gears, worm gears, and planetary gears.
2. How do spur gears work and what are their advantages?
Ans. Spur gears are the most common type of gears and consist of straight teeth that are parallel to the gear axis. They work by transferring rotational power between parallel shafts. The advantages of spur gears include their simplicity, high efficiency, and ability to carry heavy loads.
3. What are the applications of helical gears in mechanical engineering?
Ans. Helical gears have angled teeth that are similar to the shape of a helix. They are commonly used in applications that require high speed and efficiency, such as automotive transmissions, industrial machinery, and power generation systems.
4. How do bevel gears differ from other types of gears?
Ans. Bevel gears have conical-shaped teeth and are used to transmit power between intersecting shafts. They differ from other gears in that they can change the direction of rotation and the angle of power transmission. Bevel gears are often found in differential systems, hand drills, and printing presses.
5. What are the advantages of using planetary gears in mechanical engineering?
Ans. Planetary gears, also known as epicyclic gears, offer several advantages in mechanical engineering. They have a high power density, compact size, and can transmit large torque. They are commonly used in automotive transmissions, robotics, and aerospace applications.
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