Explain the design of cotter joint and knuckle joint. Cotter joint is also called as socket and spigot joint. Design procedure of cotter joint, socket and spigot joint design. Sleeve and cotter joint and its design engineers gallery. Design of cotter joint to connect piston rod and crosshead. 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. As seen in the assembly the knuckle joint has main four parts. Sleeve cotter joint pdf the working of the cotter andsleeve and cotter and gib are shown below.
It contains a sleeve and two wedge shaped tapered cotters. Design an d draw a cotter joint to support a load varying from 30 n in compression to 30 kn in tension. 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. 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. In this lesson ajnan had given detailed explanation on 4 different modes of failure in knuckle joint components. The cotter is usually made of mild steel or wrought iron. 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. When there is a requirement of a small amount of flexibility or angular moment, knuckle joint is used. 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. Failure analysis and design of a heavily loaded pin joint.
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. Permissible shear stress for the cotter material, and. Jun 26, 2017 design procedure of cotter joint, socket and spigot joint design of machine duration. Design procedure of cotter joint, socket and spigot joint. 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. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below. Fundamentals of machine design download ebook pdf, epub. 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. An introduction to the analysis and design of bolted connections. Design of cotter joint free download as powerpoint presentation. The effect of stress concentration due to the slot is neglected. Calculate resisting area of simple machine element subjected to direct independent stress. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check.
Appropriate slots are cut in the sleeve and in the cylindrical rods. The end of the rod which goes into a socket is also called spigot. Some standard proportions for dimensions of the knuckle joint are taken as. 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. Mechanical design of machine elements and machines. Dec 15, 2018 machine design textbook examines these design aspects related to machines. Failure analysis and design of a heavily loaded pin joint by. Design procedure of cotter joint, socket and spigot joint design of machine duration. 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. 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. Design procedure for knuckle, turn buckle and socket spigot. 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. Design of machine elements pdf vtu dme notes vtu of total units.
Finally, the book covers the design procedure of keys, cotters, couplings, shafts, levers and springs. To create the knuckle joint assembly as a 3d solid model using catia v5 software. Here you can download the design of machine elements notes pdf vtu dme notes vtu of as per vtu syllabus. 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. Aim design and drawing of cotter joint function a cotter joint is. An introduction to the analysis and design of bolted. Socket and spigot cotter joint the socket and spigot cotter joint is shown in fig. 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. 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. Design of machine elements subjected to direct stresses. Dimensional calculations of knuckle joint assembly by using c programming for academic problem purpose. Design a cotter joint subjected to a tensile load of 35 kn and a.
Explain the design process of riveted joint, welded joint and. Mechanical ventilation explained clearly ventilator settings. In order to design the cotter joint and find out the dimensions, failures in different parts and at different crosssections are considered. Pdf, you can in fact accomplish how importance of a book, whatever the book is. Pdf dimensional calculations of knuckle joint assembly. In the present report, a description of the structures configuration and the design procedures is presented. 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. 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. Air walk publications near all india radio 80, karneeshwarar koil street mylapore, chennai 600 004. 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. The material used is carbo n steel fo r which the fo llow ing a llowable s tresses. Threaded fasteners are removable fasteners that exert and maintain large axial forces clamping. Design of cotter joint tap valve bending free 30day. Design of machine elements notes pdf vtu dme notes vtu sw.
Cotter joint is used to connect two rods or components which are subjected to tension or compression. Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links. 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. The formulas required for the cotter joint to calculate the above conditions are shown below.
Design procedure for knuckle, turn buckle and socket. Pdf dimensional calculations of knuckle joint assembly by. The thickness of the cotter by an empirical relationship. 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. Design procedure for lenz type vertical axis wind turbine. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9.
First of all, find the centre of gravity g of the ri vet system. A typical knuckle joint, its components and working principle. Here is the diagram showing the exploded view of knuckle joint. The static design procedure followed the ec3 cen, 2005 recommendations and the seismic design followed the ifbd procedure villani, 2009 which. Following are the three commonly used cotter joints to connect two rods by a cotter. The design procedure for cotter joint is made to calculate.
Please wash your hands and practise social distancing. 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. The following procedure is adopted for the design of an eccentrically loaded riveted joint. 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. First of all, find the centre of gravity g of the ri. Presentation mode open print download current view. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. It goes on to explain various types of temporary and permanent joints including pin joint, cotter joint, threaded joint and welded joint.
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. Oct 04, 2019 here you can download the design of machine elements notes pdf vtu dme notes vtu of as per vtu syllabus. Design a cotter joint subjected to a tensile load of 35 kn and a compressive load of 40 kn. Hope you got clear explanation, if you like my efforts do share, rate and comment. If you are fond of this nice of book, just acknowledge it as soon as possible. Front and top view of knuckle joint evangelinterior. Diameter of the spigot on the basis of tensile stress. A colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels. Cotter joint has mainly three components spigot, socket and cotter as.
Describe the design process of simple elements like linkages, etc. Design procedure for the spigot and cotter joint to understand the design steps let take a question and solve it step by step. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Socket and spigot cotter joint sleeve and cotter joint. Sometimes, a sleeve and cotter joint as shown in fig.
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