Pdf design and optimization of knuckle joint using. 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 colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels. Unit 2 design of temporary design of temporary connections. Modeling and analysis of cotter joint international journal of. Knuckle joint is subjected to time varying load during its sevice life and leading to fatigue failure. The stress results by theoretical calculations and fea software are validated.
In knuckle joint one end of the rod is made into an eye and end of the other is formed into a fork with an eye in each of the fork leg. Pdf design and manufacturing of knuckle for an electric. Pdf design and finite element analysis of knuckle joint. Autocad ii knuckle joint ii 2d ii sectional front view. The knuckle joint may also be used in wellbore that have dog legs, or if the tubing is set in compression to allow for the toolstring to navigate tubing that may have minor deflections. Material optimization for knuckle joint by using fea irjet.
Link of suspension bridge valve mechanism of reciprocating engine bicycle chain fulcrum of lever tractor wheel allignment parts robotic arms. These joints are used for different types of connections. 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. Design and development of steering knuckle with spindle and. Your tutor, lab incharge and the technical staff will advise you on the design of your project. Pdf investigation of knuckle joint and its importance a literature. Pdf there has been deluged and overflowing composition published in knuckle joints and its importance in automobile industries. Jul 10, 2016 introduction the objective of this project was to design a knuckle joint structure to withstand with the tensile load. The vehicle wheel will attached to the exterior part nearest steering knuckle with the help of spindle or hub as shown in fig1. So, its design is an important effect on the product development cycle.
A knuckle joint made of various materials magnesium alloy, aluminium alloy, stainless steel, structural steel and gray cast iron is subjected to tensile load of 50 kn. Abstract the aim of the present project is to study the stresses in knuckle joint using analytical method. This knuckle joint is a part of my auto card project i have edited lots of shapes some are approximately value in diagram. However, if needed the joint may also apply to compressive load. This project is based on analyzing the behavior and reaction of the polylactic acid material generally termed as pla which is mostly used in fused. The diameter of pin is proposed to be around 30 mm. A knuckle joint is used to transform the tensile load between the two rods in axial direction.
Knuckle joint assembly drawing manual,md, online education. Thus from the first results table it is very clear that the fourth model gives us optimized results i. This shows that certain high stresses are generated near knuckle joints and these results are helpful for further analysis of headstock for. Some standard proportions for dimensions of the knuckle joint are taken as. March 23rd, 2014 knuckle joint assembly all parts1. Diameter and spiral thickness optimization of knuckle joint using.
This project will also help to learn c atia v5 and also ansys. The design stresses m ay be t aken as 75 mpa in tension, 60 mpa in shear and 150 mpa in compression. Optimised slide movement with modified knuckle joint drive. 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.
Normally, empirical relations are available to find different dimensions of the joint and they are safe from design point of view. Pdf dimensional calculations of knuckle joint assembly. Pdf design and optimization of knuckle joint using trusses. To create the knuckle joint assembly as a 3d solid model using catia v5 software.
Knuckle joint engineers gallery electronics project. Autocad ii knuckle joint ii 2d ii sectional front view youtube. 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. Knuckle joint assembly 3d cad model library grabcad. It is a structural member and not a power transmitting member.
Sleeve and cotter joint, socket and spigot joint and knuckle joint. The forces exerted on this assembly are of cyclic nature as the steering arm is turned to maneuver the vehicle to the left or to the right and to the centre again. This joint permits angular misalignment of the rods and may take compressive load if it. In this project the stresses on the knuckle joint and to improve the performance of knuckle joint to a certain extent is going to be studied by using catia v5 and fem will be use in analysis. The link drive system of the mml2 developed by schuler can be made very flexible during the design of the press. In this, one of the rods has eye at the rod end and the other one is forked with eyes at. Steering knuckle is the most stress sustaining and critical component of all terrain vehicle atv.
The critical part in the knuckle is the steering control. The knuckle joint is used to connect two rods under tensile load. To create 3d models of knuckle joint parts using auto cadcatia. The subject of this project is the modeling and analysis of cotter joint. Study and analysis of pin of knuckle joint in train. The project study presents the problem of the failure of the knuckle pin in any mechanism for general due to crushing, tearing and shearing. The knuckle joint can be used in deviated wells to allow to the tools string to pivot are reduce rigidity while travelling into the wellbore. Result shows how much stress develop in knuckle joint is done. A knuckle assembly in which the upper knuckle, steering arm and brake rails are formed as a one piece casting and the spindle and lower knuckle are formed as in integral forging. A knuckle joint is used to connect two rods under tensile load. The knuckle joint consists of different parts as following.
Knucklejoint presses are available with press forces from 2,000 kn to 10,000 kn and bolster widths from 1,500 mm to 4,000 mm, fixed or adjustable stroke. This permits design of the motion characteristics in accordance with the requirements of the parts to be. Design and analysis of knuckle joint stress mechanics. The basic design of a knuckle joint is simple and it can be easily assembled and. Knuckle joint by harsha vardhan punna s guided by dr. In this project we use theoretical method for finding dimensions of cotter joint. Machine drawing in knuckle joint drawing pdf collection. Dec 29, 2019 knuckle joints are actually rodcouplings and are used to connect the members in trusses and other structures.
To create the assembly of knuckle joint using auto cadcatia. Volume of knuckle joint and models were obtained from ansys and were tabulated as in the table below table03. As mentioned earlier the knuckle pin is for retaining of the knuckle coupler assembly. Research paper structural analysis of steering knuckle for. Download pdf of knuckle joint with ansys project report offline reading, offline notes, free download in app, engineering class handwritten notes, exam. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check. Volume 1 issue 3 jetir issn23495162 jetir1403002 journal of emerging technologies and innovative research jetir. The knuckle pin assembled in the knuckle coupling joint is shown in the figure 3. To understand the type of fits and tolerances used in assembly. Cotter joint is widely used to connect the piston rod and cross head of the steam engine, so as a joint between the piston rod and the. It is proposed that instead of mild steel high strength high modulus molybdenum can be used for further.
The technique of optimization of weight reduction of knuckle joint should be such that the strength, stiffness and life cycle performance of the knuckle joint are satisfied. This project work involves the aim to reduce the weight of the steering knuckle joint while keeping the stress within the safe limits. International journal of engineering research and general. The basic design of a knuckle joint is simple and it can be easily assembled and disassembled when required. The aim of the project is to study and calculate the stresses in knuckle joint using finite element method for different material and out of that one material which. Week6 keys and cotter joints keys, cotter joints, and knuckle joint. A knuckle joint is a device use to secure two loaded rods together. High level of repetitive accuracy even with fluctuating material thicknesses and strengths.
A pin knuckle pin is inserted through the rodend and fork end eyes and is secured by collar and a split pin. The spindle is then shrink fitted into a spindle opening machined in the casting with the lower knuckle positioned correctly relative to the upper knuckle and then finished to receive a lower ball joint. Course project in this project, the main parts of a mechanical press using knucklejoint mechanism see fig. The task in this design project is to design the actuation system for a motorpowered knuckle joint press, which uses a unique multilink mechanism to drive the vertical movement of the ram. Analysis of knuckle joint of 30c8 steel for automobile. Maximum number of student in each group will be six. Configuring a knuckle joint within the toolstring enables it to pass unrestricted over nipple shoulders, tubing crossovers and other points where a rigid toolstring may encounter difficulty.
From the above results and discussion, knuckle joint was design for 50kn axial load by theoretical calculation. Design and analysis of knuckle joint utilized in structures. Advantages of knuckle joint the following are the advantages of knuckle joint. In this case the user enters the required values there by from the provided event program executes and obtain the resultant stress fig. A knuckle joint is used for the application of the tie rod joint of jib crane or tension link in the structure of the bridge. Nagpur abstract the current paper presents the problem of the failure of the knuckle pin in a railway coupling due to. This video make by vishwakarma engineering drawing classes, bhilai nagar. Fig 1 2d model of knuckle joint major components of knuckle.
It is applicable in various structures and systems, hence making it design, analysis and production vital to the field of. Steering knuckle is the pivot point of the steering and suspension system, which allows the front wheels to turn and also allow the movement of suspension arms motion. During transportation variable stresses act on knuckle joint which causes failure of joint. The steering knuckle on your vehicle is a joint that allows the steering arm to turn the front wheels. In this article, i am going to present a detailed explanation of the design procedure for knuckle joint and cotter joint. The knuckle joint is analyzed for structural steel, aluminum alloy, cast iron. Diameter and spiral thickness optimization of knuckle. Design project knuckle joint design amin ahmadi academia. Diameter and spiral thickness optimization of knuckle joint. Pdf analysis of knuckle joint of 30c8 steel for automobile. The possible failure of knuckle pin is in shearing of the pin.
Arduino clap switch once again with a small arduino project. Knuckle joint with ansys project report pdf download. A knuckle joint is used in applications like bridge structure, roller chain, tractor to form permanent or temporary joint. To enhance your understanding of the process, you might like to watch the. Mechanical engineering design mechanical art mechanical design interesting drawings detailed drawings my drawings technical drawings autocad isometric drawing isometric drawing. This joint permits angular misalignment of the rods and may take compressive load if it is guided. The materials used for making knuckle joint is 30c8 steel and the chemical compositions are c0. How to calculate forces coming on knuckle baja tutor. In this project i try to explain when we finish some work and clap, than your. The stresses developed are found to be least for knuckle joint made of magnesium alloy 170. Mechanical forging presses with knucklejoint partspecific motion characteristics.
It is a kind of hinged joint between two rods, often like a ball and socket joint. In knuckle joint there is high varying intensity and nature of loads due to which various problem are encountered which. What are all some real life applications of knuckle joint. The knuckle joint assembly consists of the following major components.
Cotter joint is used to connect two rods subjected to axial tensile or compressive loads. A knuckle joint is designed for increasing the capacity to withstand load. This joint permits misalignment of the rods and may take compressive load if it is guided. The spindle is then shrink fitted into a spindle opening machined in the casting with the lower knuckle positioned correctly relative to the upper knuckle and then. To download our notes please visit on my website link given below, dont forget to subscribe my channel or like it for engineering notes. Analysis of knuckle joint of various materials using cae tools. Introductiona knuckle joint connects two rods under tensile loads. The project groups will be formed by the end of the first lab turn. The pin is tightened on the end with the help of a taper pin. In the knuckle joint design knuckle pin plays a major role such that it had its own constraints so that to change of material and others so that design takes place.
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