Knuckle and ballandsocket joints indian institute of. Design and analysis of steering knuckle joint request pdf. 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. Pdf design and finite element analysis of knuckle joint. The pin is tightened on the end with the help of a taper pin. The second step is stress analysis using finite element software and design adjustments for reduci ng weight without compromising on the structural strength. Knuckle joint is used to connect two rods whose axes either coincide or intersect and lie in one plane. Shows a model of double eye having same dimension of theoretical model.
Volume 1 issue 3 jetir issn23495162 jetir1403002 journal of emerging technologies and innovative research jetir. Knuckle and ballandsocket joints engineering design, iit. 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. A knuckle joint may be failed on the following three modes. Design and analysis of steering knuckle component for. Design of knuckle joint from design of cotter joint. Knuckle joint by harsha vardhan punna s guided by dr. In this article, i am going to publish the detailed design procedure for knuckle joint. Finite element models of the steering knuckles were also analyzed to obtain stress distributions in each component. Design, development and structural analysis of universal joint 1dhananjay s kolekar, 2abhay m. Beside, this the procedure is so important that the industry uses steps of machine design that should be outlined by the principal features. 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. Static analysis was done in ansys workbench by constraining the knuckle, applying loads of braking torque on calliper. The aim of the present paper is to study calculate the stresses in knuckle joint.
Nov 05, 2018 design of knuckle joint in hindi with bending of knuckle pin applications and animations of knuckle joint are discussed. Design and stress analysis of knuckle joint of different. Study and analysis of pin of knuckle joint in train. When there is a requirement of a small amount of flexibility or angular moment, knuckle joint is used.
Assumption for stress analysis of knuckle joint the rods are subjected to axial tensile force. Fatigue strength comparative study of knuckle joints in. Design project knuckle joint design amin ahmadi academia. This research program aimed to optimized best use of material for the steering knuckle and compare analysis of steering knuckles made from two materials i. The objective of this paper is to design and analyse the structural deformations in a knuckle joint. Request pdf design and analysis of steering knuckle joint the steering knuckle joint acts as a connection between wheels and suspension system with the help of which the wheels of the vehicle. Proposed design of knuckle is spindle type, in which, the. 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.
There is always axial or linear line of action of load. The knuckle joint takes compressive loads often, thus there is a need for quality design tools. Pdf design and optimization of knuckle joint using trusses. Front hub carrier steering knuckle on the mercedesbenz s class w40, 1997 with a large effective distance c see also fig. Design and finite element analysis of knuckle joint using catia and ansys workbench anupam raj jha1, rakesh jaiswal2, anush karki3, ankit basnet4. The procedure to generate double eye is given below. Here the knuckle joint is designed by using catia v5 and analysis is done by ansys workbench 14. Jul 10, 2016 modeling and fem analysis of knuckle joint 5 2. Related content design and analysis of a magnetorheological damper for an all terrain vehicle. In order to improvise the design of the knuckle pin in terms of the application of high load carrying capacity and with subsequent low direct load on the shaft of the knuckle pin, an innovative design with suitable material selection as per the requirement of the knuckle pins applicability the current fatigue can be reduced as applicable for the actual purpose. Fatigue behavior is, therefore, a key consideration in its design and performance evaluation. While steering an arm pulls knuckle towards a car for turning, so it should.
Assembled view of a knuckle joint whenever a tensile load is applied on the cylindrical the knuckle pin remains stationary. Design and analysis of a magnetorheological damper for an all terrain. Here is the diagram showing the exploded view of knuckle joint. A knuckle joint is used to connect two rods which are under a tensile load. Knuckle joint structural analysis in ansys design with umesh carpenter. 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 points of the upper ball joint, lower ball joint, spindle, and steer point were taken into solid edge where a design was conceived as shown in figure 9.
Nagpur abstract the current paper presents the problem of the failure of the knuckle pin in a railway coupling due to shearing. Design of temporary unit 2 design of temporary connections connections structure 2. Structure designproblem definition the design of the knuckle joint structure is shown in figure 2. Nov 02, 2016 the paper reports on design of a knuckle joint. Knuckle joint structural analysis in ansys youtube.
Structural analysis of knuckle joint with different materials ijmetmr. Javir4 1,2,3,4department of mechanical engineering 1,2,3,4rajendra mane college of engineering and technology, ambav, mumbai university abstract the formula sae series competition gives. Khairnar 1mtech scholar, 2assistant professor 1,2department of mechanical engineering, 1,2veermata. Numerical solution of the complicated problem can be done very easily by using the finite element method. In the design, the diameter of knuckle joint rod is 36 mm and can withstand with maximum pull load of 70 kn. Periasamy abstract the aim of the present project is to study the stresses in knuckle joint using analytical method. Design and topology optimisation of a steering knuckle joint using fea pilla. Sanjay yadav1, ravi kumar mishra1, varish ansari1, shyam bihari lal2. The upper transverse control arm 6 forms the casing for the ball pivot of the guiding joint, whereas the lower. This papers shows the methodology of developing an integrated application of a design process and generating model of a knuckle joint using a visual basic and the solidworks. Design analysis and optimization of steering knuckle using. Pdf design and finite element analysis of knuckle joint using. Paper open access related content analysis of steering.
Bala bhaskara rao department of mechanical engineering, sistam college, jntuk, india. Design and analysis of steering knuckle joint springerlink. The modelling of the knuckle joint is done using 3d software. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. For a guaranteed safety of the structure, analysis and optimization of a knuckle joint are required. Failure analysis and design of a heavily loaded pin joint. Design variables t 1 and t 2 were defined, respectively, to include the joint between the outer tie rod and knuckle to the shape design variables and design variables t 3, t 4, t. It is specially designed to withstand tensile loads. In general, the spectral fatigue calculation is cumbersome due to timeconsuming calculation process. Analysis of knuckle joint of 30c8 steel for automobile application. A knuckle joint is designed for increasing the capacity to withstand load.
Design and analysis of knuckle joint 1mesa tony dennes, 2k. Structural analysis of steering knuckle for weight reduction 1purushottam dumbre, 2prof a. Various cases have been reported of failures in a knuckle joint due to poor design and strenuous loading condition. Design and analysis of knuckle joint by using fea suraj yadav1, sanket benade2, sushil angchekar3, vaibhav dhokle4, prof. A knuckle joint is used to connect two rods under tensile load. The model used for performing the analysis is a knuckle joint assembly whose fork end would be fixed and the other end would have tensile force of n. The steering knuckle on your vehicle is a joint that allows the steering arm to turn the front wheels. Department of mechanical engineering, buddha institute of technology, gorakhpur, u.
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. Nagpur abstract the current paper presents the problem of the failure of the knuckle pin in a railway coupling due to. 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. Fatigue damage computations involve design variables such as sn curve data, wave scatter data, wave spectrum, etc. Here, catia v5 software is used to create components of knuckle joint. Research paper design, development and structural analysis of.
The modeling of the knuckle joint is done using 3d software. The methodology concentrates on the making a knowledge base engineering. Navale sinhagad college of engineering, solapur, solapur university. Design and analysis of knuckle joint utilized in structures by. So it is necessary that design and analysis of knuckle joint should be proper enough to withstand in working condition without failure. Ansys, catia v5, en8d, fea finite element analysis, knuckle joint. Some standard proportions for dimensions of the knuckle joint are taken as.
The design of steering knuckle component is done with the help of computer aided engineering cae. The results for the steering knuckle for various considerations are as shown below. Pdf optimization and finite element analysis of steering. The parts and assembly of the knuckle joint and ballandsocket joint are shown below. Analysis of steering knuckle of all terrain vehicles atv using finite element analysis to cite this article.
The knuckle joint takes tensile loads often, thus there is a need for quality design tools. 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. Figure 9 initial front knuckle design in solid edge the knuckle was then feaed in fempro algor and. Mechanical forging presses with knucklejoint partspecific motion characteristics. The analysis of steel steering knuckle joint with the composite steering knuckle joint is done. Structure design problem definition the design of the knuckle joint structure is shown in figure 2. Design and analysis of knuckle joint stress mechanics. Design and development of steering knuckle with spindle and. So modelling and analysis of knuckle joint under a certain condition is carried out. This permits design of the motion characteristics in accordance with the requirements of the parts to be. Failure analysis and design of a heavily loaded pin joint by nader farzaneh submitted to the department of mechanical engineering on march 27, 2002, in partial fulfillment of the requirements for the degree of master of science in mechanical engineering abstract.
Structural optimization of a knuckle with consideration of. Prasad 1pg scholar, mechanical engineering, gates institute of technology, gooty, india 2associate professor, department of mechanical engineering, gates institute of. Design process and generating model of a knuckle joint bartleby. The shape optimization and material optimization is carried out in ansys 15. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check. Apr 24, 2017 a knuckle joint may be failed on the following three modes.
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 cheaper and qualitative production of the knuckle joint can be achieved in a short period through optimization. Knuckle joint is a type of mechanical joint used, to connect two intersecting cylindrical rods, whose axes lie on the same plane. The link drive system of the mml2 developed by schuler can be made very flexible during the design of the press. In this study, modelling and analysis of a knuckle joint is performed by using finite. The knuckle joint assembly consists of the following major components.
Eye is formed on one of the rods and fork is formed on the other. The finite element analysis has become the common process of analysis in the recent years. Design of knuckle joint in hindi with bending of knuckle pin applications and animations of knuckle joint are discussed. A knuckle joint may be readily disconnected for adjustments or repairs. Design and analysis of hub and knuckle of fsae race car mr. Design of knuckle joint with bending failure of knuckle pin. As seen in the assembly the knuckle joint has main four parts. It is used to transmit axial tensile force and permits limited angular movement between rods, about the axis of the pin. The effect of stress concentration due to holes is neglected the force is uniformly distributed in different parts. Pdf design analysis and optimization of steering knuckle. 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. Modelling and analysis of a knuckle joint was performed by.
Design analysis and optimization of steering knuckle using numerical methods and design of experiments 1mahendra l. Design of knuckle joint with bending failure of knuckle. Design and development of steering knuckle with spindle. It permits some angular movement between the cylindrical rods. It does not rotate design of knuckle joint knuckle joint has mainly three components eye, fork and pin as shown in figure 1.
Knuckle design mainly depends on suspension geometry and steering geometry. Design process and generating model of a knuckle joint. Khairnar 1mtech scholar, 2assistant professor 1,2department of mechanical engineering, 1,2veermata jijabai technological institute, mumbai, india. Design and analysis of hub and knuckle of fsae race car. The analysis shows that pin of 25 mm diameter can sustain load of 50 kn without a failure.
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