A set of 10mm cotter pin joints enable your creation have moving arms, legs and head. Knuckle joint introduction, parts and applications. 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. 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. In a butt joint edges of the plates to be connected butt against each other and the joint between them is covered by butt plates. A free powerpoint ppt presentation displayed as a flash slide show on id. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their. It contains a sleeve and two wedge shaped tapered cotters. This increases the bearing area and permits drilling while making the slots. One of the rods is formed into a socket by enlarging its end while the other rod, called spigot end is formed with enlarged diameter and an integral collar the spigot is put inside the socket and the cotter is driven through the slots in socket and spigot ends. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. A mechanical joint is a section of a machine which is used to connect one or more mechanical part to another. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. Mount cotter, a mountain in california, united states.
Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Cotter and knuckle joints authorstream presentation. Free download online attendance management system for employees in php project. What is a cotter joints a cotter is a flag wedge shaped piece of steel. Cotter joint article about cotter joint by the free. Cotter jointsnut and bolts are more traditional and they give you more control on how tight or loose a joint is. Manufacturers usually have a model number for each type of knuckle joint they manufacture. Design of socket and spigot cotter joint chinmayacademy. Mechanical joints may be temporary or permanent, most types are designed to be disassembled. A cotter joint is a simple and compact connection and is easily assembled and disassembled. Knuckle joint can be classified into a large number of types based on its size, shape, specification, application and other criteria.
Spigot is formed on one of the rods and socket is formed on the other. View notes cotter and knuckle joint from none at lovely professional university. A design procedure of cotter joint cotter joint introduction before going into detailed steps to design and find dimensions of cotter joint, it is necessary to understand clearly the various components, their functions and assembly of cotter joint. Apr 11, 2020 cotter and knuckle joint part 1 mechanical engineering notes edurev is made by best teachers of mechanical engineering. A gib is used along with the cotter to make this joint. Design of cotter joint to connect piston rod and crosshead. What are the practical application of cotter joint. Cotter joint a detachable joint that is fastened or adjusted by a wedge. Plates joined together by means of a riveted joint cannot be. What is the difference between cotter joint answer sahil knuckle joint is used to connect two rods whose axes either coincide or intersect and lie in one plane, which are subjected to transmit axial tensile force on other hand cotter joint is used to connect two coaxial rods, which are subjected to either axial force or axial compressive. Cotter joint with a gib gib and cotter joints are used for rods of square or rectangular cross section.
Ppt cotter%20joint powerpoint presentation free to. Gib is likely a cotter but with two gib heads at its ends. Ppt cotter joint powerpoint presentation, free download. 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 for an easy. Autocad mechanical practice drawings pdf free download autocad exercise book. Introduction cotter joint a cotter is a flat wedge. A cotter is driven tightly through the slots in the rods which are kept slightly mis aligned. 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. The low chamfer angle of the wedge assures tightness of the joint and provides selfbraking, which prevents the wedge from falling out. Rivets are used to fasten permanently two or more plates. Cut section of socket and spigot joint 3272012 2 hareesha n g, dsce, blore78. The cotter is usually made of mild steel or wrought iron. Cottered joint article about cottered joint by the free.
Ppt cotter joint powerpoint presentation free to view. You can buy five 10mm cotter pin joints that contains 5 cotter pins and 10 fibre board disks enough for 5 joints, eg two arms, two legs and one head. Design procedure of cotter joint with 3d visualization of different type of failures in different parts of joint. Assembled cottered joint cotter joint modes of failure cotter joint modes of failure cotter joint modes of failure cotter joint. Instructions the parts and assembly of the cotter joint is. Some of the parts are a bit more challenging than others, but none of them are meant to be difficult.
In hindi design procedure of socket and spigot cotter joint ab classesdesign of. Cottered joint article about cottered joint by the free dictionary. Cotter joint uses one or two cotters to connect two rods rigidly transmitting forces and motion, with no rotation of the rods 3. A socket is formed by expanding the end of one rod in which the spigotend of the other rod is inserted. This document is highly rated by mechanical engineering students and has been viewed 249 times. Socket and spigot joint assembly and sectional views for more machine drawing videos. This is the model of a cotter i designed for the first time according to the design considerations from the mechanical engineering data book.
Autocad mechanical practice drawings pdf free download. Displaying powerpoint presentation on introduction cotter joint a is flat wedge shaped piece available to view or download. Cotter pin disambiguation, a pin or wedge used to fix parts rigidly together cotter farmer, the scots term for a peasant farmer formerly in the scottish highlands cotter surname, a surname including a list of people with the name cotter, arkansas, united states. Scribd is the worlds largest social reading and publishing site. 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. Cotter and knuckle joint part 1 mechanical engineering. Cotter and knuckle joint cotter and knuckle joints 431 1. Someone please correct me if im wrong, ive never used a plastic safety joint. Socket and spigot cotter joint is used to connect circular rods. So you can deliberatley make a bear with loose joints, so the arms swing around, or you can joint tight. The cotter is locked in position by means of a screw as shown in fig.
686 507 514 1014 892 1027 172 1052 458 711 1309 350 472 643 759 144 370 1086 10 368 1300 1336 777 634 1163 1527 688 158 1120 1499 317 360 1073 198 850 210 1171 270 496 1208