A clutch connects and disconnects two rotating shafts to engage and disengage a vehicle's transmission. It operates using friction between its driving member, connected to the engine, and driven member, connected to the transmission. A clutch allows a driver to start and stop smoothly, change gears, and transmit power without slipping. Common types include friction clutches with single or multiple plates that connect the flywheel to the transmission using pressure from springs and disengage using a pedal-operated release mechanism.
A clutch is a mechanism which enables the rotary motion of one shaft to be transmitted at will to the second shaft, whose axis is coincident with that of first. Clutch is located between the engine and gearbox. When the clutch is engaged, the power flows from the engine to the rear wheels through the transmission system and the vehicle moves when the clutch is disengaged, the power is not transmitted to the rear wheels and the vehicle stops, while the engine is still running.
CLUTCHES AND THERE PARTS OF CLUTCHES PLATES PPT.pptxRushabhNagpure1
From this ppt we discuss topic of Mechanical Engineering of Clutches of vehicle and how they work for efficiency of vehicle driving , what are propose od clutches , Main parts , working Principle ,Clutches plate have two parts
1. Single clutch Plate components, working and application.
2. Multi-clutch-Plate components, working(their also having two different ways of working) and application.
A clutch is a mechanism which enables the rotary motion of one shaft to be transmitted at will to the second shaft, whose axis is coincident with that of first. Clutch is located between the engine and gearbox. When the clutch is engaged, the power flows from the engine to the rear wheels through the transmission system and the vehicle moves when the clutch is disengaged, the power is not transmitted to the rear wheels and the vehicle stops, while the engine is still running.
CLUTCHES AND THERE PARTS OF CLUTCHES PLATES PPT.pptxRushabhNagpure1
From this ppt we discuss topic of Mechanical Engineering of Clutches of vehicle and how they work for efficiency of vehicle driving , what are propose od clutches , Main parts , working Principle ,Clutches plate have two parts
1. Single clutch Plate components, working and application.
2. Multi-clutch-Plate components, working(their also having two different ways of working) and application.
Clutch is a mechanism which enables the rotary motion of one shaft to be transmitted, when desired, to a second shaft the axis of which is coincident with that of first.
Clutch is used to engage or disengage the engine to the transmission or gear box.
Clutch is a mechanism which enables the rotary motion of one shaft to be transmitted, when desired, to a second shaft the axis of which is coincident with that of first.
Clutch is used to engage or disengage the engine to the transmission or gear box.
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• A CLUTCH
is a mechanical device that engages and disengages the power transmission,
especially from driving shaft to driven shaft.
• In the simplest application, clutches connect and disconnect two rotating shafts. In
these
devices, one shaft is typically attached to an engine or other power unit (driving
memb haft (the driven member) provides output for work.
3. PURPOSE
• A clutch is designed with the following
requirements
– Allow the vehicle to come to a stop while the transmission
remains in gear
– Allow the driver to smoothly take off from a dead stop
– Allow the driver to smoothly changegears
– Must be able to transmit power and torque withoutslipping
4. PRINCIPLE OF CLUTCH
It operates on the principle of FRICTION.
When two surfaces are brought in contact and are
held against each other due to friction between
them, they can be used to transmit power.
If one is rotated, then other also rotates. One
surface is connected to engine and other to the
transmission system of automobile.
Thus, clutch is nothing but a combination oftwo
friction surfaces.
5. MAIN PARTS OF A CLUTCH
• It consists of
o a driving member
o a driven member
o an operating member
• The driving member has a flywheel which is mounted on the engine crankshaft.
A disc is bolted to flywheel which is known as pressure plate or driving disc.
• The driven member is a disc called clutch plate. This plate can slide freely to and
fro on the clutch shaft.
• The operating member consists of a pedal or lever which can be pressed to
disengage the driving and driven plate.
8. COMPONENTS OF A CLUTCH
Primary Components
o Flywheel
o Clutch Disc
o Pressure Plate
o Release Bearing
Secondary Components
o Pilot Bearing
o Release Bearing
o Fork Slave
o Cylinder
9. CLUTCH TERMS
•Clutch disengaged (Clutch pedalpressed)
The clutch is disengagedwhen
– Starting the engine
– Shifting the gear
– Stopping the vehicle and
– Idling the engine
• Clutch engaged
– Clutch pedal is released
10. SINGLE PLATE CLUTCH
•It hasonlyoneclutchplatewhichismountedonthesplinesof the clutchshaft.
•Theflywheelismountedonthe enginecrankshaftandrotateswith it.
•Thepressureplateisbolted to the flywheel throughclutch springs.It isfree
to slideontheclutchshaftwhentheclutch pedalisoperated.
11. Components of SINGLE PLATE CLUTCH
(Bolted to flywheel – Applies the
spring force to clamp the friction
disk to the flywheel)
(Clutch fork pushes T/O bearing
to release rotating clutch)
(Bolted to crankshaft)
(Throw-out bearing allows to push
on rotating clutchfingers)
( Pilot Bearing in the centre of flywheel supports the end of the input shaft )
(Friction Disc splined to transmission to the input shaft)
14. MULTI PLATE CLUTCH
•A Multi plate clutch consistsof anumber of clutch plate, insteadof onlyone
clutch plate asin the case of singleclutchplate.
•Theincreased number of friction surfacesobviouslyincreasesthe capacityof
the clutch to transmit torque.
•Theplatesare alternately fitted tothe engine shaft and gearboxshaft.
•Eachof the alternate plate slidesin groovesonthe flywheel andthe other
slideson splineson the pressureplate.
17. WORKING : MULTI PLATE CLUTCH
When the Clutch is ENGAGED :
o When the clutch pedal is not pressed, The thrust springs do not move due to which the stiffness
provided by these springs maintains the pressure over the pressure plate having friction lines on
its inner surface.
o Due to this pressure over the pressure surface the frictional contact between the friction lines of
pressure plate and the friction lines of multiple clutch plates is maintained due to which frictional
force is applied over the flywheel.
o Due to this frictional force the frictional contact between the multiple clutch plates and the
flywheel is maintained which in turn finally provides clutch engagement.
When the Clutch is DISENGAGED :
o When the clutch pedal is pressed the fulcrum attached at its inner end rotates due which the inner
splined sleeve through which the pressure plate is attached moves outward which in turn applies
pressure over the thrust springs.
o Due to this force the thrust springs moves which in turn release pressure over the pressure plate and
finally the frictional force between pressure plate, clutch plate and the flywheel is removed.
o Due to this removal of the frictional force, frictional contact between the pressure plate, clutch
plate flywheel breaks and finally the disengagement of the clutch is obtained.
18. SINGLE PLATE
• Consists of Single Plate.
• Torque Transmitting
Capacity is less.
• Heat Generation is less.
• Coefficient of friction is
high.
MULTI PLATE
• Consists of Multiple Plates
• Torque Transmitting Capacity
is more.
• Heat Generation is more.
• Coefficient of friction is low.