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Types of CAMS & Followers Video Lecture | Theory of Machines (TOM) - Mechanical Engineering

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1. What are the different types of CAMs used in mechanical engineering?
Ans. There are several types of CAMs commonly used in mechanical engineering, including: - Plate CAMs: These are flat, disk-shaped cams that provide a reciprocating motion. - Cylindrical CAMs: These cams have a cylindrical shape and provide a rotating or oscillating motion. - Translating CAMs: These cams convert rotational motion into linear motion. - Oscillating CAMs: As the name suggests, these cams provide a back-and-forth or swinging motion. - Radial CAMs: These cams have a radial profile and are used to convert rotational motion into linear or oscillating motion.
2. How do plate CAMs work in mechanical engineering?
Ans. Plate CAMs work by providing a reciprocating motion. They have a flat, disk-shaped profile with an off-center follower. As the cam rotates, the follower moves up and down due to the uneven shape of the cam profile. This motion can be used to operate various mechanical systems, such as pumps, valves, and cutting tools.
3. What is the purpose of using cylindrical CAMs in mechanical engineering?
Ans. Cylindrical CAMs are used to provide rotational or oscillating motion in mechanical systems. They have a cylindrical shape with a follower that moves radially as the cam rotates. This motion can be used to drive other components, such as gears or linkages, and perform tasks like opening and closing doors, rotating conveyor belts, or operating rotary valves.
4. How are translating CAMs different from oscillating CAMs in mechanical engineering?
Ans. Translating CAMs convert rotational motion into linear motion, whereas oscillating CAMs provide a back-and-forth or swinging motion. Translating CAMs typically have a follower that moves along a straight path, while oscillating CAMs have a follower that rotates around a fixed point. The choice between the two depends on the desired motion and application requirements.
5. Can radial CAMs be used to convert rotational motion into linear motion?
Ans. Yes, radial CAMs can be used to convert rotational motion into linear motion. By utilizing a follower that moves along a radial groove or slot on the cam, the rotational motion of the cam can be translated into linear motion of the follower. This can be useful in various mechanical systems, such as sliding doors, linear actuators, or piston engines.
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