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. Cotter joint is widely used to connect the piston rod and cross head of. Gib is like a cotter but with two gibgib is like a cotter but with two gib heads at its ends. In this joint, one end of the rod is formed into an eye and the other into a fork double eye. Sir, what do you mean by fs in the knuckle joint assembly drawing. Design of various types of riveted joints under different static loading conditions, eccentrically loaded riveted joints. These joints may be subjected to tensile or compressive forces along the axes of the rods. The low chamfer angle of the wedge assures tightness of the joint and provides selfbraking, which prevents the wedge from falling out. A gib is used along with the cotter to make this joint. Cotter and knuckle joint part 1 mechanical engineering. Cotter and knuckle joint cotter and knuckle joints 431 1. Nov 07, 2009 cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces.
If the lower ball stud nut cotter pin is present on both sides, proceed to step 8. When there is a requirement of a small amount of flexibility or angular moment, knuckle joint is used. Keys, cotter and unit 5 key, cotter and knuckle knuckle. Cut section of socket and spigot joint 3272012 2 hareesha n g, dsce, blore78. 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. In the whole assembly the cotter is the part with least material and easy to replace, hence for this economical and practical reason cotter is kept weakest, so that it can be replaced on failure. It is also used to connect a rod on one side with some machine part like a crosshead or base plate on the. 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. Gib is likely a cotter but with two gib heads at its ends. View notes cotter and knuckle joint from none at lovely professional university. Service update 16167 missing cotter pin on front lower. A cotter is a flat wedge shaped piece of rectangular crosssection and its width is tapered either on one side.
Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below. Cotter joint cotter and knuckle joints are fasteners used to connect two roads transmitting axial force. The subject of this project is the modeling and analysis of cotter joint. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Cotter joints use a transverse wedge with cylindrical or conical surfaces, and a longitudinal wedge. It has socket end,spigot end and cotter as main parts.
A colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels. Some standard proportions for dimensions of the knuckle joint are taken as. A hinged joint in which a pin fastens the ends of two rods, one of which has an eye that fits between the two perforated projections of the. The cotter passes through slots made in two coaxial parts and thus prevent the relative motion between them. 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. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check. Cotter joint article about cotter joint by the free. It contains a sleeve and two wedge shaped tapered cotters. Cotter joint a detachable joint that is fastened or adjusted by a wedge. 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 tailor pump rod, foundation bolt etc. Cotter joint is used to connect two rods or components which are subjected to tension or compression. Cotter and knuckle joints understanding engineers gallery.
Jul 03, 2015 sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. As seen in the assembly the knuckle joint has main four parts. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. What are the practical application of cotter joint.
To create the knuckle joint assembly as a 3d solid model using catia v5 software. 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. Mar 06, 2017 hello dosto, mera name h ankit ras aur le k aaya hu mechanical guru ka ek aur latest episode aur ajj hum baat karenge. Mar 27, 2012 cotter and knuckle joints hareesha n g dept. Failure of cotter joint may causes accident, so it is necessary to design cotter joint to withstand under tension without failure the effective design of mechanical device. Knuckle joint cotter joint 1 it takes only tensile load it takes tensile as well as compressive load. Remove the tire ball joint located under the axle, attached to the lower control arm use pliers or grips, rip out cotter bin unbolt the nut use a ball. 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. Like the concept on the cotter pin nice job 22 jul 2011 11. Please wash your hands and practise social distancing. Knuckle and cotter joint free download as word doc. Cotter joint is used to connect two rods subjected to axial tensile or compressive loads.
Here is the diagram showing the exploded view of knuckle joint. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below. The function of rivets in a joint is to make a connection. Gib and cotter joints are used for rods of square or rectangular cross section. A cotter is a flat wedgeshaped piece of steel which is used to connect rigidly two rods which transmit motion in the axial direction tensile or compressive forces without rotation. Joints types of joints temporary joint semi permanent joint. Cotter joint piston tension physics free 30day trial. Cotter joints are the joints made with the help of cotter. Dec 30, 2017 may 01, 2020 cotter and knuckle joint part 1 mechanical engineering notes edurev is made by best teachers of mechanical engineering. Images are taken from version 2 me, iit kharagpur research paper. Verify the lower ball stud nut cotter pin 3 is present on both front lower control arm ball studs 1. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. This document is highly rated by mechanical engineering students and has been viewed 250 times.
Jul, 2017 chapter 7 cotter and knuckle joints machine design, mechanical engineering mechanical engineering notes edurev notes for mechanical engineering is made by best teachers who have written some of the best books of mechanical engineering. May 11, 2020 chapter 7 cotter and knuckle joints machine design, mechanical engineering mechanical engineering notes edurev is made by best teachers of mechanical engineering. A cotter joint is used to connect two coaxial rods, which are subjected to either axial tensile force or axial compressive force. Cotter joints a cotter is a flat wedgeshaped piece of steel this is used to connect rigidly two rods which transmit motion in the axial direction, without rotation. The cotter is usually made of mild steel or wrought iron. View ats5 types of keys, cotter and knuckle joints1.
Ppt knuckle joint powerpoint presentation free to view. In knuckle joint the two views of which are shown in fig. Gib and cotter joint for rectangular rodsgib and cotter joint for rectangular rods one bar end is made in the form of a strap a gib is used along with the cotter. Most mechanical joints are designed to allow relative movement of these mechanical parts of the machine in one degree of freedom, and restrict. 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. Hello dosto, mera name h ankit ras aur le k aaya hu mechanical guru ka ek aur latest episode aur ajj hum baat karenge. Design procedure of cotter joint, socket and spigot joint. Cotter joints may be used in areas subject to corrosion during operation, resulting in difficulty in turning rusty bolts and nuts of threaded connections. A cotter joint is a simple and compact connection and is easily assembled and disassembled. Knuckle joint is a type of joint which is used in steering system in. 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. Mechanical joints may be temporary or permanent, most types are designed to be disassembled. This document is highly rated by mechanical engineering students and has been viewed 1592 times. Sleeve and cotter joint, socket and spigot joint and knuckle.
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. Following are the three commonly used cotter joints to connect two rods by a cotter. 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. Basically, cotter joint is used in which there is no angular displacement between two rod o the other hand the knuckle joint is used in which there is necessity of angular displacement for e. 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. Appropriate slots are cut in the sleeve and in the cylindrical rods.
118 378 141 216 746 1006 908 1214 1655 367 1188 264 1160 1170 753 214 1456 914 732 1472 1203 763 232 884 1497 640 1507 1218 403 1175 1201 1266 96 1206 745 1118 80 1181 980 417 1362 1209 463 1341 776