Working and Construction of a Single Plate Clutch

Construction
  • The fly wheel rigidly fixed to the engine shaft, thedriven shaft to the gearbox being supported at the engine end spigot bearing in the flywheel. A clutchplate is attached to a splined hub which is free to slide axially on the splines cut on the driven shaft.
  • A ring of friction lining is attached to each side of the clutch plate. One end of each of a number of helical compressions springs bear on the back of pressure plate, the other ends of the springs pressing against a cover attached to the fly wheel and rotating with it.
  • Three release levers on pivots mounted on cover bear on the bottoms of the nuts on the studs in the pressure plates and are actuated by the left word movement of the thrust race which in turn is moved by the clutch pedal mechanism


Working: Friction plate is held between the flywheel and the pressure plate. There are springs (the number may vary. depending upon design) arranged circumferential.
Which provide axial force to keep the clutch in engaged position the friction plate is mounted on a
hub which is splined from inside and is us to slide over the gear box shaft. Friction facing is attached to the friction plate on both sides to provide two annular friction surfaces for the transmission of power: A pedal is provided to pull the pressure plate against the spring force whenever it is
required to be ordinarily it remains in engaged position as is shown in above figure. 

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