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Seminar Report On Clutch Plate

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Clutch is an essential part of a transmission system in automobile also through the clutch we can control our vehicles even when vehicles are running.

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Seminar Report On Clutch Plate

  1. 1. CLUTCH
  2. 2. WHY DO WE NEED CLUTCH? • Because engine run all the time but wheel don’t • To stop car without killing the engine • Transfer the power from engine to wheel • Gradual engagement without sudden jerks
  3. 3. CLUTCH
  4. 4. WHAT IS CLUTCH? • Clutch is a part of Transmission system • Clutch is a mechanism which enables the rotary motion of one shaft to be transmitted when desired to a second shaft
  5. 5. LOCATION OF CLUTCH
  6. 6. WORKING PRINCIPLE OF CLUTCH
  7. 7. FUNCTION OF CLUTCH • Torque transmission • Gradual engagement • Heat dissipation • To absorb shock and vibration during power transmission • Disengage engine from transmission • Release engine from transmission during gear shifts
  8. 8. TYPES OF CLUTCH • Friction Clutch • Fluid flywheel/Hydraulic Clutch • Electromagnetic Clutch
  9. 9. FRICTION CLUTCH DRY FRICTION WET FRICTION
  10. 10. DRY FRICTION CLUTCH • Cone clutch • Single plate clutch • Multiplate clutch • Centrifugal clutch
  11. 11. CONE CLUTCH • WORKING
  12. 12. ADVANTAGE • Normal force acting on the contact surfaces is larger than the axial force.
  13. 13. DISADVANTAGE • If the angle of cone is made smaller than about 20 deg. The male cone tends to bind or join the female cone and it becomes difficult to disengage the clutch. • A small amount of wear on the cone surface results in a considerable amount of the axial movement of the male cone for which it will be difficult to allow
  14. 14. SINGLE PLATE CLUTCH • WORKING
  15. 15. ADVANTAGE • With the single plate clutch gear changing is easier than the cone clutch because the pedal movement is less in this case. • It does not suffer from disadvantage of cone clutch i.e binding of cones etc. and hence it is more reliable.
  16. 16. DISADVANTAGE • As compared to cone clutch the spring have to more stiff and this means grater force required to be applied by the driver while disengaging.
  17. 17. MULTIPLATE CLUTCH • WORKING
  18. 18. CENTRIFUGAL CLUTCH • WORKING
  19. 19. MAIN PARTS OF CLUTCH • Fly wheel • Clutch plate • Pressure plate • Springs • Throw-out bearing
  20. 20. Flywheel • Flywheel connected with the engine crank • Clutch cover bolted with the flywheel • Clutch turn with the flywheel
  21. 21. Clutch plate • material= steel • Mounted on splined hub • Friction facing material- asbestos • And non asbestos
  22. 22. Pressure plate • Material- high tensile gray iron • The pressure plate should also have sufficient mass and thermal conductivity
  23. 23. SPRING • The stiffness of the clutch springs should be the maximum • Spring material- steel • Used to absorb shock and vibration during initial contact
  24. 24. THROW-OUT BEARING • The clutch pedal is connected either mechanically or hydraulically to a fork mechanism which loops around the throw-out bearing • When the clutch pedal is pressed, the fork pushes on the throw-out bearing and it slides along the layshaft putting pressure on the innermost edges of the diaphragm springs • This leads to disengage of clutch
  25. 25. EXPLODED VIEW OF CAR CLUTCH
  26. 26. CLUTCH PLATE LINING AND MATERIAL • Clutch disc/plate- Steel • Clutch lining- Asbestos and copper wire grit, ceramics • Rivets- Aluminums-copper • Springs- Steel • Hub- Steel
  27. 27. ACCIDENTAL CASES OF CLUTCH • Burning a Clutch • Clutch Slipping
  28. 28. BURNING A CLUTCH • When clutch is not totally engaged with the flywheel • Resting a foot on the clutch pedal during normal drive
  29. 29. CLUTCH SLIPPING • Diaphragm spring has weakened • Wearing down the friction material on the clutch plate • The clutch is not properly engaged with the flywheel • Under heavy load accelerating in a high gear or up a hill • Do this long result a burning a clutch
  30. 30. THANK YOU
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Clutch is an essential part of a transmission system in automobile also through the clutch we can control our vehicles even when vehicles are running.

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