This work contains stress analysis of single plate clutch of the automobile, in which the stresses and forces developed in the clutch is tried to reduce with the help of software approach. Automobile clutch function and major types of clutches. Page optimal design of a single plate clutch friction. The clutch is intended for general starting of the automobile from rest, disconnecting the engine form the transmission in order to shift gears, and for avoiding the effect of large dynamic loads on the transmission which appear in transient conditions and on moving on different types of roads the friction clutch design, besides allowing for the main requirements minimum clutch weight. A pressure plate bolted to the flywheel exerts constant force, by means of a diaphragm spring, on the driven plate. Design calculation procedure for frictionplate safety. Easy pedal advantage clutch best manual adjust eaton. A clutch is a mechanical device which engages and disengages power transmission especially from driving shaft to driven shaft in the simplest application, clutches connect and disconnect two rotating shafts drive shafts or line shafts. For designing of the diaphragm spring, 3d modelling software used is catia v5. Group 41 hydraulically actuated clutch clutch and hydraulic clutch system design and function clutch and hydraulic clutch system w4000835 design volvo clutches the volvo dry plate clutches are speci. Multidisc clutch k1 clutch k1 is the outer clutch and transfers the torque to input shaft 1 for 1st, 3rd, and 5th gears and reverse. As the name suggests, it has only one clutch plate. This working procedure is same in both singleplate and multiplate but in multiplate, there is a number of clutch plate which will results a more torque transmission due to the friction, between the plates and increase in efficiency too when compared to singleplate.
In the present design a diaphragm pressure plate has been selected. In addition to friction and damping, the distribution of the masses and ratios in the. Small axial force is required to keep the clutch engaged. These springs are situated between pressure plate and the cover. The clutches are entirely selfcontained, and do not require additional bearing support. Especially, the precise prediction technique of maximum structural stress should be requested in design of mechanical clutches for their durability and. When the clutch is fully disengaged the clutch plates are. The pseudorigidbody model prbm, rigidbody replacement synthesis, forcedeflection analysis, compli. The kk clutch consists of a standard metric ball bearing combined with cams. The clutch is intended for general starting of the automobile from rest, disconnecting the engine form the transmission in order to shift gears, and for avoiding the effect of large dynamic loads on the transmission which appear in transient conditions and on moving on different types of roads the frictionclutch design, besides allowing for the main requirements minimum clutch weight. The single plate clutch basically consists of flywheel, pressure plate, clutch plate, friction plate, thrust and ball bearing clutch spring and nut and bolt arrangement.
Theoretical calculation and design of a single plate clutch use in automobile. Stamped angle spring pull type models the 14 stamped angle spring models suit engines with flat flywheels that develop up to 1050 lb ft of. Form 141g installation instructions 14 stamped as single plate clutches rev 5 august, 2002 adjustment instructions 1. Pdf this paper presents the stresses and deformations of the assembly of the automotive single plate clutch depending on the applied. In this article, i am going to publish the detailed design procedure for knuckle joint. For a given dimension, the torque transmitted by cone clutch is higher than that of a single plate clutch. If a clutch brake is installed, clearance between the top of. Some manufacturers include the release bearing as part of the clutch release mechanism. Analysis of single plate clutch 23 applying loads on single plate clutch applied pressures on single plate clutch analysis of single plate clutch. Gonskii chemical and petroleum engineering volume 7, pages 861 865 1971cite this article. A single plate is commonly used in cars and light vehicles. Mechanical design stream aauetd addis ababa university. The clutch has the same overall dimensions of the metric bearing. Hence making clutch operations automatic will reduce human effort.
Driven discs are available in a range of spline sizes. Generally, it consists of the clutch pedal assembly, a mechanical linkage, cable, or hydraulic circuit, and the clutch fork. The design of single plate clutch is done for force motors new vehicle and is drawn by using theoretical calculation results. The semi angle of cone is 15 degrees and the coefficient of friction is 0. The flywheel is mounted on the crankshaft, and rotates with it. Construction and design of machinery and equipment. Advantages and disadvantages of cone clutch advantages. This also is influenced by types of clutches used single or multiplate andor.
For the love of physics walter lewin may 16, 2011 duration. A clutch release mechanism allows the operator to operate the clutch. A knuckle joint is used to connect two rods which are under a tensile load. Within the area of the friction surface we are going to represent an elementary area dx, at the distance x from the center. The clutch design is unique, incorporating an independent camcage assembly installed alongside the offset ball cage. Design modeling and analysis of a single plate clutch ijmetmr. This design usually works pretty well, but it does have a few drawbacks. Design and analysis of an automotive single plate clutch article pdf available in mechanics research communications 441. Chapter 10 automotive clutches, transmissions, and.
Structural analysis of multiplate clutch request pdf. So when it is free to move between these two members, it tends to expand. Earlier cars have a series of coil springs at the back of the pressure plate, instead of a diaphragm spring. Difference between single plate clutch and multi plate. Clamp load calculation the axial force required for transmitting the torque is known as. Design and analysis of diaphragm spring of a single plate dry clutch ijste volume 2 issue 12 007 iii.
Structural analysis is done to find the stress distribution on the model. How to calculate the torque capacity of a clutch x. Design and analysis of diaphragm spring of a single plate. Pdf design and analysis of an automotive single plate clutch. It has only one clutch plate, mounted on the splines of the clutch shaft. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. When there is a requirement of a small amount of flexibility or angular moment, knuckle joint is used. Some basic procedures that will be followed in order to fulfill the objectives of the.
Bhandari 2008 explained in his experiment that diaphragm spring is a flat, springsteel disc compressed between the cover and pressure plate that, when pushed by the release bearing, engages and disengages the clutch. After removal of the gearbox, the clutch module remains inside the bell. With the analysis results, we check whether the design is safe or. Multiplate clutches by varying clutch materials for use in tct system of green. Design and structural analysis of single plate friction clutch ijert. Most cars use a friction clutch operated either by fluid hydraulic or, more commonly, by a cable. Pdf design and fatigue analysis of a multi plate clutch. Clutch maintenance, like brake maintenance, helps your customer receive the maximum service life from his clutch components. A single plate clutch is consisting of various parts. To calculate the torque capacity of the clutch well have a look at the geometry of the clutch friction disc. Machine design design of clutches free download as pdf file. This paper presents the stresses and deformations of the assembly of the automotive single plate clutch. Single plate clutch design procedure pdfsdocuments2 sun, 26 feb 2017 11.
High torque transmitting capacity or multi plate clutch is smaller than the single plate clutch for a given torque capacity. Analysis of single plate clutch asbestos material input parameters youngs modulus164. A clutch is a machine member used to connect the driving shaft to a driven shaft, so that the driven shaft may be started or stopped at will, without stopping the driving shaft. It has only one clutch plate which is mounted on the splines of the clutch shaft.
Theoretical calculation and design of a single plate clutch use in. The rapid engagement procedure can also be simulated. Fluid plays an important role in this type of clutch so some of their properties are discussed. Design and analysis of clutch plate for automatic single. In design of the friction clutches of automobiles, knowl edge on the thermoelasticity a priori is very informa. The detail study of clutch and modeling of clutch is done in proe software and the analysis is to be done in ansys software. The parts of a single plate clutch can be seen below. Mainly it consists of a clutch plate with both side friction lining and some other parts which helps in the proper functioning of a clutch like flywheel, pressure plate, thrust bearing, hub, springs and input mechanism for. In this types of clutches, helical or diaphragm springs are used to exert a pressure force on the pressure plate to engage the clutch. Nivas 6 to reduce the cost of clutch plate material without affecting the life and effectiveness of the clutch plate, we modify other material low carbon steel for clutch plate. Conventional transmission system using single plate clutch has to perform 15 operations to shift from low speed to high speed, out of the 10 operations are clutch operations. Remove the inspection cover at the bottom of the clutch housing.
In this paper, we design a multi plate clutch by using empirical formulas. Design and structural analysis of single plate friction clutch. The angle ring clutch is a push type single plate clutch available in 310mm, 330mm or 350mm sizes to suit engines that develop up to 500lb ft of torque. Cone clutch design, advantages and disadvantages mecholic. Single plate clutch design procedure clutch friction. Design and finite element analysis of an automotive clutch. This procedure is similar to the separation of the torque converter from the drive plate during the removal of an automatic gearbox. These springs are inserted into compact position into the clutch. With the use of assist springs, the easypedal design reduces pedal effort by as much as 50%. The multi plate clutch consists more than one clutch plate. Machine design design of clutches clutch transmission.
Separator plate the separator plate on the 68rfe valve body is noticeably different. Increasing the transmission fluid pressure in the clutch k1 fluid pressure cavity will close the clutch. In these devices, one shaft is typically attached to an engine or other power unit the driving member while the other shaft the driven member. A forked lever is used to disengagement of the clutch. When a car is moving under power, the clutch is engaged. A wet clutch is operated in an oil batch whereas a dry clutch does not use oil. As a result, piston 1 moves and presses the multidiscs. This work sheds light upon how to optimize the design of the clutch plate, so as to deliver maximum performance and last longer. Single plate friction clutch the parts of a single plate clutch can be seen below. You cant control how he uses his clutch or his brakes, but you can make certain the clutch system is properly adjusted and working as the manufacturer intended. These springs help to isolate the transmission from the shock of the clutch engaging. Design and analysis of clutch plate using steel material en gjs400 15steel by b.
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