Air walk publications near all india radio 80, karneeshwarar koil street mylapore, chennai 600 004. Cotter joint has mainly three components spigot, socket and cotter as. Dimensional calculations of knuckle joint assembly by using c programming for academic problem purpose. Pdf dimensional calculations of knuckle joint assembly by. In this lesson ajnan had given detailed explanation on 4 different modes of failure in knuckle joint components. In the present report, a description of the structures configuration and the design procedures is presented. Design of machine elements notes pdf vtu dme notes vtu sw. Describe the design process of simple elements like linkages, etc. Socket and spigot cotter joint sleeve and cotter joint. Design an d draw a cotter joint to support a load varying from 30 n in compression to 30 kn in tension. An introduction to the analysis and design of bolted connections. A cotter is a flat wedge shaped piece of rectangular cross section and its width is tapered either on one side or on both sides from one end to another.
Jan, 2017 in this article,design procedure for knuckle joint and cotter joint were explained in a detailed manner with the help of videos stay safe and healthy. Design procedure for the spigot and cotter joint to understand the design steps let take a question and solve it step by step. Design procedure for knuckle, turn buckle and socket spigot. Design procedure for knuckle, turn buckle and socket. P load on the joint or pull acting on rods, d diameter of the rod, d1 outer diameter of socket,d2 diameter of spigot or inside diameter of socket, d3 outside diameter of spigot collar,d4 diameter of socket collar, t1 thickness of spigot collar, a distance from the end of the slot to end of spigot, c. Dec 15, 2018 machine design textbook examines these design aspects related to machines. 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. A cotter joint is used to connect one end of a rod is provided with a socket type of end and the other end of the rod is inserted to a socket. Sometimes, a sleeve and cotter joint as shown in fig. Mechanical ventilation explained clearly ventilator settings. Following are the three commonly used cotter joints to connect two rods by a cotter. The thickness of the cotter by an empirical relationship.
Knuckle joint design procedure problems and questions assembly drawing of knuckle joint knuckle joint assembly drawing sectional front top view mechanical drafting md machine drawing sleeve and cotter joint socket spigot knuckle joint drawing you solved 2 shear loading of bolt given the knuckle joint machine drawing btau305 sunil. Design procedure of cotter joint, socket and spigot joint design of machine duration. Some standard proportions for dimensions of the knuckle joint are taken as. First of all, find the centre of gravity g of the ri vet system. It begins with an introduction to the design process of the machine and engineering materials with its characteristics and continues to discuss key topics such as manufacturing considerations in machine design, simple stress in machine parts and internal combustion. Design procedure of cotter joint, socket and spigot joint design of machine video lecture on design procedure of cotter joint, socket and spigot joint. The static design procedure followed the ec3 cen, 2005 recommendations and the seismic design followed the ifbd procedure villani, 2009 which. Design of machine elements subjected to direct stresses. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces.
Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links. When there is a requirement of a small amount of flexibility or angular moment, knuckle joint is used. Jun 26, 2017 design procedure of cotter joint, socket and spigot joint design of machine duration. A typical knuckle joint, its components and working principle. Appropriate slots are cut in the sleeve and in the cylindrical rods. The cotter is usually made of mild steel or wrought iron.
Please wash your hands and practise social distancing. A cotter joint is a temporary fastening and is used to connect rigidly two co axial rods or bars which are subjected to axial tensile or compressive force. For the testing purposes, a machine is designed to load a pin joint and rotate it at the same time, which would test the pin joint close to its normal operating conditions. Cotter joint is used to connect two rods or components which are subjected to tension or compression. Mechanical design of machine elements and machines. The knuckle joint is a type of joint which is used in steering system in between the steering rod and pinion of the steering gear, as the line of the action axis of both the mechanical parts are intersecting and lies in different planes, so it is.
The formulas required for the cotter joint to calculate the above conditions are shown below. To create the knuckle joint assembly as a 3d solid model using catia v5 software. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check. P load on the joint or pull acting on rods, d diameter of the rod, d1 outer diameter of socket,d2 diameter of spigot or inside diameter of socket, d3 outside diameter of spigot collar,d4 diameter of socket collar, t1 thickness of spigot collar, a distance from the end of the slot to end of spigot, c thickness. Aim design and drawing of cotter joint function a cotter joint is. Hope you got clear explanation, if you like my efforts do share, rate and comment. Fundamentals of machine design download ebook pdf, epub.
In this type of joint, a sleeve or muff is used over the two rods and then two cotters one on each rod end are inserted in the holes provided for them in the sleeve and rods. Permissible shear stress for the cotter material, and. Here you can download the design of machine elements notes pdf vtu dme notes vtu of as per vtu syllabus. Nov 07, 2009 design procedure for the spigot and cotter joint to understand the design steps let take a question and solve it step by step. Pdf dimensional calculations of knuckle joint assembly. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. Sleeve cotter joint pdf the working of the cotter andsleeve and cotter and gib are shown below. Explain the design process of riveted joint, welded joint and. The effect of stress concentration due to the slot is neglected. Let p load carried by the rods, d diameter of the rods, d1 outside diameter of sleeve, d2 diameter of the enlarged end of rod, t thickness of cotter, l length of cotter, b width of cotter, a distance of the rod end from the beginning to the cotter hole. Jan, 2017 in this article, design procedure for knuckle joint and cotter joint were explained in a detailed manner with the help of videos stay safe and healthy. Here is the diagram showing the exploded view of knuckle joint. A colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels.
Based on each type of failure, one strength equation is written and these equation is used to determine the various dimensions of the cotter joint. The end of the rod which goes into a socket is also called spigot. Design procedure of cotter joint, socket and spigot joint design. Design procedure for lenz type vertical axis wind turbine. First of all, find the centre of gravity g of the ri. Failure analysis and design of a heavily loaded pin joint. Design a cotter joint subjected to a tensile load of 35 kn and a compressive load of 40 kn. Design procedure of cotter joint, socket and spigot joint. Design procedure of cotter joint, socket and spigot joint design of machine from the design calculation and based on previous research data in related domain, basic design parameters of lenz type vawt is derived which are tip speed ratio, wing dimensions etc. As seen in the assembly the knuckle joint has main four parts. Sleeve and cotter joint and its design engineers gallery. The following procedure is adopted for the design of an eccentrically loaded riveted joint. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods.
The material used is carbo n steel fo r which the fo llow ing a llowable s tresses. Cotter joint is also called as socket and spigot joint. Design of cotter joint free download as powerpoint presentation. The design procedure for cotter joint is made to calculate. If you are fond of this nice of book, just acknowledge it as soon as possible. Pdf, you can in fact accomplish how importance of a book, whatever the book is. Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links chapter of design of machine for mechanical. Finally, the book covers the design procedure of keys, cotters, couplings, shafts, levers and springs. Threaded fasteners are removable fasteners that exert and maintain large axial forces clamping. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below. Explain the design of cotter joint and knuckle joint. Design of cotter joint tap valve bending free 30day. It goes on to explain various types of temporary and permanent joints including pin joint, cotter joint, threaded joint and welded joint.
An introduction to the analysis and design of bolted. Calculate resisting area of simple machine element subjected to direct independent stress. In order to design the cotter joint and find out the dimensions, failures in different parts and at different crosssections are considered. Cotter joint is widely used to connect the piston rod and crosshead of a steam engine, as a joint between the piston rod and the tailor pump rod, foundation bolt etc. Front and top view of knuckle joint evangelinterior. 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. Oct 04, 2019 here you can download the design of machine elements notes pdf vtu dme notes vtu of as per vtu syllabus.
Knuckle joint assembly drawing sectional front top view mechanical drafting md knuckle joint design procedure problems and questions assembly drawing of knuckle joint knuckle joint assembly drawing in hindi easy way important for polytechnic engineering student machine drawing sleeve and cotter joint socket spigot knuckle joint drawing you machine. 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. Mar 01, 2016 video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links chapter of design of machine for mechanical. Design of cotter joint to connect piston rod and crosshead. Design a cotter joint subjected to a tensile load of 35 kn and a. It contains a sleeve and two wedge shaped tapered cotters. Failure analysis and design of a heavily loaded pin joint by.
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