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FAQs on ClutChes And Power Screws, Machine Design - Topper Handwritten Notes & Videos for GATE ME - Mechanical Engineering

1. What is a clutch in machine design?
Ans. A clutch is a mechanical device used to connect and disconnect power transmission between two rotating shafts. It allows for the controlled engagement and disengagement of a machine's power source, such as an engine, with the driven component, such as a gearbox or transmission.
2. What are the types of clutches commonly used in machine design?
Ans. There are several types of clutches commonly used in machine design, including friction clutches, electromagnetic clutches, hydraulic clutches, and pneumatic clutches. Friction clutches, such as the dry clutch or wet clutch, are the most common and widely used type.
3. How does a power screw work in machine design?
Ans. A power screw is a mechanical device used to convert rotational motion into linear motion or vice versa. It consists of a threaded shaft (screw) and a nut that moves along the screw when it is rotated. By controlling the rotation of the screw, the power screw can provide precise and controlled linear motion.
4. What are the advantages of using clutches in machine design?
Ans. Clutches offer several advantages in machine design, such as providing a means for smooth and controlled engagement and disengagement of power transmission, protecting the drivetrain components from sudden shocks and overloads, allowing for easy maintenance and repair of the system, and enabling the use of multiple power sources with a single driven component.
5. What factors should be considered when selecting a clutch for a specific application in machine design?
Ans. When selecting a clutch for a specific application in machine design, factors such as torque capacity, speed range, engagement characteristics (e.g., gradual or instantaneous), heat dissipation, reliability, and cost should be considered. The specific requirements of the application, such as the type of machinery, operating conditions, and desired performance, also play a crucial role in choosing the most suitable clutch.
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