The pin is tightened on the end with the help of a taper pin. The knuckle joint is used to connect two rods under tensile load. It may also be used to support the compressive load. Download download knuckle joint part drawing pdf read online read online knuckle joint part drawing pdf design and finite element analysis of knuckle joint using catia and ansys play an important part in the transmission of reddy, machine drawing, knuckle joint assembly drawing with parts separated. Design of knuckle joint youngs modulus strength of. Design and stress analysis of knuckle joint of different. While steering an arm pulls knuckle towards a car for turning, so it should. Design and development of steering knuckle with spindle. Knuckle joint is used to connect two rods whose axes either coincide or intersect and lie in one plane. The usual designers assumption of loading is shown in part c. The knuckle joint assembly consists of the following major components. Department of mechanical engineering, buddha institute of technology, gorakhpur, u.
Steering knuckle component design mainly depends on suspension system geometry and steering geometry. The upper transverse control arm 6 forms the casing for the ball pivot of the guiding joint, whereas the lower supporting joint 7 is pressed into the hub carrier 5. A knuckle joint is a mechanical joint used to connect two rods which are under a tensile load, when there is a requirement of small amount of flexibility, or angular moment is necessary. Periasamy abstract the aim of the present project is to study the stresses in knuckle joint using analytical method. In existing design of knuckle, which has very less weight, but at the time of race a steering arm has separated from the knuckle due to low strength of knuckle and high strength of bolted joint as shown in figure 2. Design procedure of knuckle joint design of machine. Knuckle joint by harsha vardhan punna s guided by dr. Mechanical forging presses with knucklejoint partspecific motion characteristics. A knuckle joint is mainly used to connect two rods under tensile load. Design procedure of knuckle joint design of machine youtube. Vikas porwal11bme08 ashish jaiswal11bme0268 knuckle joint. Design and analysis of knuckle joint stress mechanics. Knuckle joint can be classified into a large number of types based on its size, shape, specification, application and other criteria. The mechanics of different joints are also well understood, so the detailed design of the joint can then be done deterministically consider a three legged chair, and its interface with the ground.
Finite element models of the steering knuckles were also analyzed to obtain stress distributions in each component. Steps in design complete detailed steps for designing of the knuckle joint along with diagrams and numerical problems. Transparent backgrounds 1 eps file vector, version. A cotter is a flat wedgeshaped piece of steel as shown in figure4. As seen in the assembly the knuckle joint has main four parts. Some standard proportions for dimensions of the knuckle joint are taken as. Dec 07, 2014 a quick video tutorial on how to make all the parts for kunckle joint. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The design procedure for knuckle joint was explained in this. From the above results and discussion, knuckle joint was design for 50kn axial load by theoretical calculation. Mechanical forging presses with knuckle joint partspecific motion characteristics. This permits design of the motion characteristics in accordance with the requirements of the parts to be. Front hub carrier steering knuckle on the mercedesbenz s class w40, 1997 with a large effective distance c see also fig. Here is the diagram showing the exploded view of knuckle joint.
Misumi offers free cad download, short lead times, competitive pricing, and no minimum order quantity. Integration of joints into structural design process moment resistant joints simple joints design tools. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check. Design project knuckle joint design amin ahmadi academia. Pdf design and optimization of knuckle joint using. Design and topology optimisation of a steering knuckle joint using fea pilla. Most mechanical joints are designed to allow relative movement of these mechanical parts of the machine in one degree of freedom, and restrict movement in one or more others. The design processes were started with preliminary study on the current steering knuckle component used for the previous including investigating the existing knuckle design especially from the published design of. This video explains design procedure of knuckle joint in design of machine elements. Mechanical joints may be temporary or permanent, most types are designed to be disassembled. A knuckle joint is used to connect two rods which are under a tensile load. Knuckle joint introduction, parts and applications. It is used to transmit axial tensile force and permits limited angular movement between rods, about the axis of the pin. The steering knuckle joint acts as a connection between wheels and suspension system with the help of which the wheels of the vehicle are turned.
The parts and assembly of the knuckle joint and ballandsocket joint are shown below. Analysis of knuckle joint of 30c8 steel for automobile. Explore the constraint window in inventor and assemble the ballandsocket joint. Sanjay yadav1, ravi kumar mishra1, varish ansari1, shyam bihari lal2. Please subscribe and hit the like button if you learnt something. Parts of the knuckle joint to hold the pin in assembly it is made with a round head at one end and a collar is placed at the other end. A knuckle joint may be readily disconnected for adjustments or repairs. A knuckle joint is designed for increasing the capacity to withstand load. Failures of knuckle joint were consider during calculation. Suthar knuckle joints introduction to knuckle joints. Manufacturers usually have a model number for each type of knuckle joint they manufacture. In this article, i am going to publish the detailed design procedure for knuckle joint.
Design of knuckle joint from design of cotter joint. Design of temporary unit 2 design of temporary connections connections structure 2. Assembled view of a knuckle joint whenever a tensile load is applied on the cylindrical the knuckle pin remains stationary. Pdf designing mechanical components is repetitive and time consuming procedure. The vehicle wheel will attached to the exterior part nearest steering knuckle with the help of spindle or hub as shown in fig1. Knuckle and ballandsocket joints engineering design, iit. The material used for joint is 30c8,ultimate tensile stress for the material is 400 mpa. The modelling of the knuckle joint is done using 3d software. This permits design of the motion characteristics in accordance with the requirements of.
Eurocodes design of steel buildings with worked examples brussels, 16 17 october 2014 actual joint. The link drive system of the mml2 developed by schuler can be made very flexible during the design of the press. In this lesson ajnan had given detailed explanation on 4 different modes of failure in knuckle joint components. Video lecture on design procedure of knuckle joint from design of cotter joint, knuckle joint,levers and offset links chapter of design of. The design procedure for knuckle joint was explained in this article.
Design of knuckle joint with bending failure of knuckle. To reduce monotony and time in design process various. Video lecture on design procedure of knuckle joint from design of cotter joint, knuckle joint,levers and offset links chapter of design of machine. Eye is formed on one of the rods and fork is formed on the other. It does not rotate design of knuckle joint knuckle joint has mainly three components eye, fork and pin as shown in figure 1. Design of knuckle joint a knuckle joint is used to connect two rods which are under the action of tensile load, when small amount of flexibility or angular moment is necessary. There is always axial or linear line of action of load. According to that calculated dimensions model of knuckle joint is made in. For analysis, it is intended to design the model of knuckle joint in cad software. Knuckle joint is a joint between two parts allowing movement in one plane only. The design procedure for knuckle joint was explained in. Knuckle joint 1 knuckle joint two or more rods subjected to tensile and compressive forces are fastened together their axes are not in alignments but meet in a point the joint allows a small angular moment of one rod relative to another it can be easily connected and disconnected applications elevator chains, valve rods, etc 2 knuckle. The analysis shows that pin of 25 mm diameter can sustain load of 50 kn without a failure.
Design and development of steering knuckle with spindle and. A mechanical joint is a section of a machine which is used to connect one or more mechanical part to another. Before going into detailed steps to design the dimensions of the knuckle joint, it is essential to get oriented with all its components and their functions. Design of knuckle joint in hindi with bending of knuckle pin applications and animations of knuckle joint are discussed. Hope you got clear explanation, if you like my efforts do share, rate and comment. Knuckle joint is used to connect two rods subjected to axial tensile loads. A pin in a knuckle joint carrying a tensile load f deflects somewhat because of the loading resulting in the distribution of reaction and load shown in part b of the figure. The joint allows a small angular moment of one rod relative to another it can be easily connected and disconnected applications elevator chains, valve rods, etc 2 knuckle joint 3 knuckle joint 4 cotter joints. Chapter 4jwelded joints under shear or direct loads. In this, one of the rods has an eye at the rod end and the other one is. A knuckle joint is a mechanical joint used to connect two rods which are under a tensile load, when there is a requirement of small amount of flexibility, or angular moment is necessary fig.
Nov 02, 2016 the paper reports on design of a knuckle joint. These joints are used for different types of connections e. The stresses developed in the components should be less than the corresponding permissible values of stress. A cotter joints is a flat wedge link piece of steel of rectangular cross section which is inserted through the rods at high angle to their. Design of various types of riveted joints under different static loading conditions, eccentrically loaded riveted joints.
Abstract weight reduction is now the main issue in automobile industries. Knuckle joints are actually rodcouplings and are used to connect the members in trusses and other structures. Pdf dimensional calculations of knuckle joint assembly by using. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Present paper emphasizes on optimization of knuckle joint design using truss design, in this study, modelling and analysis of a knuckle joint is performed by. The modelling of a knuckle joint is performed by using catia v5 r20 package the knuckle joint takes compressive loads often, thus there is a need for quality design tools. To design the knuckle joint firstly we choose the diameter of the rod pin which can bear the applied stress at a safe range. In the knuckle joint illustrated, the rods are integral with the eye and fork.
Knuckle joint free download as powerpoint presentation. When there is a requirement of a small amount of flexibility or angular moment, knuckle joint is used. Compared to a socket and spigot joint, wherein the axes of both the rods should be in the same plane. Design and analysis of steering knuckle joint request pdf. It is a structural member and not a power transmitting member. This is a pin joint and is used to connect two circular rods subjected to axial loads. Knuckle joints, check out the variety of configurable, knuckle joints for industrial applications. A knuckle joint is a mechanical joint used to c onnect two rods which are under a tensile load, when there is a requirement of small amount of flexibility, or angular moment is necessary. Paper open access related content analysis of steering. Mar 01, 2016 video lecture on design procedure of knuckle joint from design of cotter joint, knuckle joint,levers and offset links chapter of design of machine for mechanical engineering students. Pdf design and optimization of knuckle joint using trusses. Unit 2 design of temporary design of temporary connections.