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Couplings

Couplings. By Taylor Amarel and Justin Skrzyniarz. What are Couplings. A coupling is a device used to connect two shafts together for the purpose of transmitting power. Two types of couplings Rigid Flexible also known as compensating. How Does a Coupling Interact With Other Things.

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Couplings

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  1. Couplings By Taylor Amarel and Justin Skrzyniarz

  2. What are Couplings • Acoupling is a device used to connect two shafts together for the purpose of transmitting power. • Two types of couplings • Rigid • Flexible also known as compensating

  3. How Does a Coupling Interact With Other Things • Couplings interact with other devices by joining two shafts together in order to transmit power from one shaft to another shaft.

  4. Rigid Couplings • Rigid couplings are used when precise shaft alignment is required; shaft misalignment will affect the coupling's performance as well as its life.

  5. Types of Rigid Couplings • Friction coupling • Clutch • Fluid coupling • Torque converter • Hirth joint • High power gas turbines • Flanged • Pipe

  6. Clutch • Clutches are a friction based rigid coupling that transmits power by joining two shafts using a friction plate. • Clutches are located on manual cars, automatic cars, ships, and other industrial applications.

  7. Torque Converter • A torque converter in a fluid based rigid coupling used to transmit power from one shaft to another shaft via a fluid median. As the input shaft spins it rotates a turbine causing fluid to move and turn the turbine on the output shaft. • Torque converts are commonly found in automatic cars, hydraulic motors, and turbines.

  8. Hirth Joint • Hirth joints are a type of rigid coupling that transmits power by using two shafts that have interlocking teeth. • Hirth joints are commonly found on high speed high torque industrial machinery that benefits from the hirth joints self centering capabilities. Common applications include gas turbines, turboprops, steam generators.

  9. Flanged • Flanged couplings are a type of rigid coupling that utilizes flanges and bolts to couple to shafts together. • Common applications of flanged couplings is joining two pipes together in order to transmit water pressure, it can also be used to extend a rotating shaft.

  10. Clutch

  11. Flexible/Compensating Couplings • Flexible couplings are designed to transmit torque while permitting some radial, axial, and angular misalignment. Flexible couplings can accommodate angular misalignment up to a few degrees and some parallel misalignment.

  12. Types of Flexible/Compensating Couplings • Universal joint • Drive shaft on cars • Cardan joint • Train cars • Ball joints • Car steering assembly • Thompson couplings • High torque industrial drive shafts

  13. Universal Joints • Universal joints are a type of flexible coupling that utilized a yoke and cross to connect two shafts and allow shafts to be at an angle relative to each other. • Common application of Universal joints include car drive shafts, steering columns.

  14. Cardan Joint • Cardan joints are a type of flexible coupling that connects two shafts using two pivots and a connecting rod. • Couplings are often used for steering column and ratchet extensions.

  15. Thompson Coupling • Thompson coupling is a flexible coupling that utilizes a configuration of two cardan joint assemblies, and a modified universal joint • Common application include high power generators, trailer hitches, and gas turbines.

  16. Ball joint Ball joint is a flexible coupling that uses a spherical ball and socket like configuration in order to allow a shaft to pivot while pivoting. Common applications include car axle assemblies, the human hip joints, throttle bodies, and gas springs.

  17. Thompson Coupling

  18. Cardan Joint

  19. Ball Joint

  20. Work Sited • Kilchermann, Lori. "What Is a Shaft Coupling?" WiseGEEK: Clear Answers for Common Questions. 13 May 2006. Web. 10 Feb. 2011. <http://www.wisegeek.com/what-is-a-shaft-coupling.htm>. • Khemani, Haresh. "What Is Coupling? Types of Shaft Couplings." Find Health, Education, Science & Technology Articles, Reviews, How-To and Tech Tips At Bright Hub - Apply To Be A Writer Today! 8 Nov. 2009. Web. 10 Feb. 2011. <http://www.brighthub.com/engineering/mechanical/articles/43237.aspx>. • Mecha, Roy. "Drive Couplings." Engineering Examples. 28 Oct. 2003. Web. 10 Feb. 2011. • Nice, Karim.  "How Torque Converters Work"  25 October 2000.  HowStuffWorks.com. <http://auto.howstuffworks.com/auto-parts/towing/towing-capacity/information/torque-converter.htm>  10 February 2011.

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