For designing of the diaphragm spring, 3d modelling software used is catia v5. Fly wheels, clutch plates and friction in a cars clutch, a flywheel connects to the engine, and a clutch plate connects to the transmission. The pressure plate is mounted inside the clutch which is bolted to the flywheel. Design and analysis of diaphragm spring of a single plate dry. Most automotive clutches are a dry single plate clutch with two friction surfaces. The top countries of suppliers are india, china, and india, from which the percentage of clutch friction plate supply is 1%, 97%, and 1% respectively. Circumferentially acting springs including a resiliently deformable arm are circumferentially disposed between the coaxial parts. Any further increase in pressure will cause the clutch plate and the transmission shaft to turn along with the flywheel. Friction clutch can be engaged and disengaged when the machine is running since they have no jaw or teeth. A torsion damping assembly for a friction clutch plate comprises two coaxial parts mounted for relative rotation within a predetermined range of angular displacement. Single plate clutch this is the torque transmitted by single plate due to friction considering uniform wear theory. No matter the application, the function and purpose of a clutch is to transmit torque from a rotating driving motor to a transmission. Design and structural analysis of single plate friction clutch ijert.
Clutch mechanism with 4 moving and 4 stationary plates. Multiplate clutch multiplate clutch consists of more than one clutch plates contrary to single plate clutch which consists of only one plate. Machine design design of clutches clutch transmission. Project report on design and analysis of electromagnetic clutch 2. The clutch disc has friction surfaces similar to a brake pad on both sides that make or break contact with. A clutch consists of a plate whose both sides are faced with a frictional material. This paper presents the stresses and deformations of the assembly of the automotive single plate clutch depending on the applied materials. Design and analysis of clutch plate for automatic single plate clutch. A friction disk of a single plate clutch is shown in above fig. On each time the instantaneous friction coefficient can be calculated as 1. The main difference between the pressure plate and friction plate is that one is the driving member and other one is the driven.
Two methods to analytically model this clutch drag were compared and evaluated. Project report on design and analysis of electromagnetic. The basic material used for friction pinning is asbestos. What is the friction lining material used in single plate. In single plate clutch, a friction plate is held between flywheel and pressure plate. Single plate clutch power transmitted by single plate clutch is given by, 30. A flat clutch is a special case of a conical clutch with an included angle of 180o. Single plate friction clutch the parts of a single plate clutch can be seen below. The flywheel is mounted on the crankshaft, and rotates with it. As the number of clutch plates is increased, the friction surface also increases. It is mounted on the hub which is free to move axially along the splines of the driven shaft. Design and analysis of diaphragm spring of a single plate.
The clutch is of the single plate type and both sides of the plate are effective. Presentation mode open print download current view. Single plate clutch frictional resistance offered by ring is, frictional. A pressure p of 1mpa was applied on the clutch plate. Clutch plate and pressure plate mechanism fully explained. It is concluded that the friction clutch must be designed for minimum axial force between the pressure plate and clutch plate, while satisfying the constraint on peripheral velocity of outer. The increased number of friction surfaces increases the capacity of the clutch to transmit torque. Friction clutch mcs custom engineered product consult factory 49 friction clutch mdc custom engineered product consult factory 53 slipping feedback device tfd30, 40 12 106 na 300120 dc 44 stopping friction brake bf11, 15, 17, 22, 26, 30 125 14.
Design and structural analysis of single plate friction clutch abstract in design of the friction clutches of automobiles, knowledge on the thermoelasticity a property is very informative in the initial design stage. First, a model based on surface tension effects was used to calculate clutch drag. Join the grabcad community today to gain access and download. Improvement of processing friction facing testing results. Since there are n pars of friction surfaces in contact for a singleplate clutch, n 2, then the torque transmitted by a clutch is given by. The basic principle in designing machine parts that are subjected to wear due to sliding friction is that the normal wear is proportional to the work of friction. A wet clutch is operated in an oil batch whereas a dry clutch does not use oil. Between the variations in design, the jargon, and the lack of specifications, things can be confusing.
The total deformation plot for the clutch plate 498 rajesh purohit et al. A single disk kevlar 29 friction clutch plate was designed to transmit a power of 20kw. The influence of clutch disc pressure on friction is quite moderate compared to the influence of temperature and sliding velocity. Design and analysis of clutch plate for automatic single. In chapter 2, the dry plate clutch will be discussed, to give a general overview about this subject. Plates are pressed together to couple shafts and pressure is released to decouple them. By default, since the objective is to increase the torque transfer capacity of a clutch, the wear analysis were done by varying the coefficient of friction and intensity of. Pdf design and analysis of an automotive single plate clutch. Aug 18, 20 single plate clutch this is the torque transmitted by single plate due to friction considering uniform wear theory. Us4588062a torsion damping assembly for automotive. Oct 15, 2016 the main difference between the pressure plate and friction plate is that one is the driving member and other one is the driven. With the clutch disengaged, the gearbox input shaft is free to change its. The detail study of clutch and modeling of clutch is done in proe software and the analysis is to be done in ansys software. Abstract clutch system is among the main systems inside a vehicle.
Clutch friction materials explained organic, kevlar. Clutches theory of machines engineering reference with. The grabcad library offers millions of free cad designs, cad files, and 3d models. A single one of these clutch plates as designed cannot hold more than a fraction of the power of the engine, so the driver starts with only the first clutch engaged. There are many types of clutch designs pending on the application. Multiplate clutches by varying clutch materials for use in tct system of. The influence of velocity on friction is governed by the transmission fluid and friction material used in the clutch. The clutch used in automotive applications is generally a single plate dry clutch. Clutch, clutch, clutch disc 4 cylinder manual free ground shipping genuine saab 6spd dual mass 2pc clutch kit. Clutches require a mode of actuation in order to break the transmission of torque. When the clutch pedal is pressed a cable or hydraulic piston pushes or pulls on the release fork, which presses on the middle of the diaphragm spring, causing the spring to release the plate from the clutch. The frictionvelocity relationship is a good indicator of the fluids ability to suppress. Download price list available in excelcsv pdf formats. Review on different materials utilized in clutch plate.
Jun 11, 2017 single plate clutch this is the torque transmitted by single plate due to friction considering uniform wear theory. Single plate clutch power transmitted by single plate clutch is given by, rpminshaftofspeednwhere, watt 60 n. Us4588062a torsion damping assembly for automotive friction. The work of friction is proportional to the product of normal pressure p and the sliding velocity v. Friction materials clutch the answer lightduty clutches. The pressure plate will keep on compressing the facings of the driven plate until the friction be created. Single plate clutch pdf clutches or more specifically to the plate or disc clutches also known as axial. Clutch system comprises of clutch plate and clutch facing, pressure plate, diaphragm spring and bearing. Figure 6 consider a rotating shaft with a disc at the end that presses up against another so that rotation is transmitted from one to the other by friction. Modeling of single plate clutch the modeling of single clutch is done by using catia v5 catia is an 3d mechanical suite it is much faster and more accurate. It has only one clutch plate, mounted on the splines of the clutch shaft. Well look at how these parts work together in the next section. This clutch is overwhelmed by the power of the engine, allowing only a fraction of the power to the wheels, much like slipping the clutch in a slower car, but working without. A single plate is commonly used in cars and light vehicles.
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 clutch works because of friction between a clutch plate and a flywheel. Clutch friction materials explained organic, kevlar, ceramic, etc. A clamp load of 33 kn is normal for a single plate. Design and analysis of clutch plate for automatic single plate clutch ijsrdvol. This also is influenced by types of clutches used single or multiplate andor. The pseudorigidbody model prbm, rigidbody replacement synthesis, forcedeflection analysis, compli. The friction plate is mounted on a hub which is splined from inside and thus free to slide over the gear box shaft. The material property and geometry data were defined as per section 3. Friction, single plate clutches numerical tom youtube. Mechanical design stream aauetd addis ababa university. Especially, the precise prediction technique of maximum structural stress should be requested in design of mechanical clutches for their durability and compactness.
The major types of friction clutches are plate clutch, cone clutch, centrifugal clutch. Optimal design of a clutch plate using ansys semantic scholar. Structural analysis is done to find the stress distribution on the model. There are springs depending upon design arranged circumferentially, which provide axial force to keep the clutch in engaged position. In chapters 3 to 9, the standard clutch friction test will be discussed, with some general information, an explanation about the scft, evaluation, results and validation. The pressure plate is fixed on the flywheel through the pressure plate is fixed on the. A clutch is a mechanical device which engages and disengages power transmission especially. The design of single plate clutch is done for force motors new vehicle and is drawn by using theoretical calculation results. A wide variety of plate friction clutch options are available to you, there are 1,271 suppliers who sells plate friction clutch on, mainly located in asia. 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. 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. But there are many types of ingredients used for improving its quality for use as a good lining material. Gears may 2016 analysis of friction clutch plate using fea 83 between the placement of segments since indexing accuracy is important, the rotating apparatus 100 generally. Mill boarded type friction material this is made up of asbestos but it is treat.
A single plate friction clutch consisting of two flanges shown in fig 2. This type of clutch is one of the smoothest engaging clutches in the industry today. Smooth engagement and minimum shock during the engagement. In chapter 2, the dryplate clutch will be discussed, to give a general overview about this subject. This report starts with an overview of the company zf sachs ag.
It is user friendly both solid and surface modeling can be done. Single plate clutches pdf clutches or more specifically to the plate or disc clutches also known as axial. Both the surfaces of the friction plate were assumed to be effective i. The tribological behaviour of paper friction plates for. Advantages and disadvantages of single plate clutch pdf. 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. Gstudent 2,4assistance professor 1,2,3,4department of mechanical engineering 1,2,3,4noble group of institution, junagadh, gujarat. How a clutch works australian clutch services clutch. Machine design design of clutches free download as pdf file. Both the pressure plate and the flywheel rotate with the engine crankshaft or the.
Design and finite element analysis of an automotive clutch. Design optimization of friction clutch request pdf. As illustrated, the friction means comprises a friction ring or washer 49 on the side of the hub flange 19 axially remote from the resiliently. Frictiondisc clutches generally are classified as push type or pull type. What is the difference between pressure plate and friction. The factor of safety stress tool plot for the clutch plate 3.
Failure of clutch plate clutch plate is one of main systems inside a vehicle. Page optimal design of a single plate clutch friction. Single plate clutch clutch introduction a clutch is ia machine member used to connect the driving shaft to a driven shaf. The rapid engagement procedure can also be simulated. Pressure plate is the driving member which is operated by us with the help of clutch pedal down and the friction plate. Design and structural analysis of single plate friction clutch rahul kumar. It has only one clutch plate which is mounted on the splines of the clutch shaft. Its hard to buy a replacement clutch, at least if you want to understand what youre buying.
The main part of single plate clutch is shown in the fig 1. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Design and structural analysis of single plate friction clutch. Clutches free delivery possible on eligible purchases. In addition to friction and damping, the distribution of the masses and ratios in the release system play a decisive role here. A wide variety of clutch friction plate options are available to you, there are 1,230 suppliers who sells clutch friction plate on, mainly located in asia.
A convective heat transfer coefficient of 40 wm2 of free air is. You can see what this looks like in the figure below. The resiliently deformable arm circumferentially extends from a support member fixed. Multiplate clutch consists of several clutch plates, instead of only one clutch plate as in the case of a single plate clutch. In the simplest terms, in a manual transmission the driving force is the friction between the clutch plate, clutch disc and the flywheel.
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