It cannot connect cylindrical members which undergo rotation. Cotter joint is used to connect two rods or components which are subjected to tension or compression. 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. The material used for spigot end, socket end and the cotter is c 40 steel. May 08, 2017 the cotter is usually made of mild steel or wrought iron. Pleasant work the synthetic material is light in weight and has no sharp edges. 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. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their. The components are clearly identifiable and guarantee foolproof assembly. In a sleeve and cotter joint, the cut slots are always made a little bit wider than the width of the cotters in order to promote wedging action of the cotters over the slots. Sleeve and cotter joint autodesk inventor part design and. Design procedure of cotter joint, socket and spigot joint design. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below.
Us7927254b2 recreational structure using a sleevejoint. A clean, quiet and economical ventilation system at last. Now this kind of cotter joint is known as a socket and spigot type cotter joint. The obvious example is on a bicycle where both pedal. A mechanical joint is a section of a machine which is used to connect one or more mechanical part to another.
These joints may be subjected to tensile or compressive forces along the axes of the rods. Knuckle joint introduction, parts and applications. Keys, cotter and unit 5 key, cotter and knuckle knuckle. Design procedure for sleeve and cotter joint the career.
Assemble the parts correctly and then draw the following views to a scale 1. Mechanical joints may be temporary or permanent, most types are designed to be disassembled. Sleeve and cotter joint and its design engineers gallery. Ppt cotter joint powerpoint presentation free to view. See all design to learn to design and assemble the parts in diff ways and methods. The cotter comes in contact with the two rods on opposite sides and leaves clearances on both sides. Clearances are absolutely required for proper functioning of the joint. 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. Autocad 3d machine drawing assembly learn in easy way. Nov 2003, apr2008, apr 2009 material is saved in welded joints and hence the machine element will be light if.
Basically, two random variables are jointly continuous if they. We are proud to inform that we had done some valuable programme on several colleges for past 10 years under both anna university and pondicherry university. 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. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. 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. Cotter and knuckle joints 431 cotter and knuckle joints 431 1. It is a multivariate generalization of the probability density function pdf, which characterizes the distribution of a continuous random variable. Reusing the cotter pin will invalidate the ip67 rating. 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. Appropriate slots are cut in the sleeve and in the cylindrical rods. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below.
Fit the cotter pin, tapered end first into the insulatorcontact using either a press or a soft hammer. This is the simplest form of cotter joint used for fastening the two circular rods. Dimensions of a sleeve and cotter joint in terms of diameter of the rods d fig 4. 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 sleeve cap height is increased above the standard fitted sleeve, the cap will extend above the normal shoulder line. A recreational structure, such as a trampoline frame, can be quickly and reliably assembled using a sleevejoint coupling having a t configuration. Sleeve and cotter joint autocad 3d machine drawing.
What are the practical application of cotter joint. A textbook of machine design khurmi gupta bdd uthm. 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. X and y are jointly continuous with joint pdf fx,y. How to assemble a universal joint tutorial parts of a. The ends of the two rods are inserted from opposite sides in a. Cotter joints may be used in areas subject to corrosion during operation, resulting in difficulty in turning rusty bolts and nuts of threaded connections. 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. In a socket and spigot cotter joints, one end of the rods. Knuckle joint can be classified into a large number of types based on its size, shape, specification, application and other criteria.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods it contains a sleeve and two wedge shaped tapered cotters appropriate slots are cut in the sleeve and in the cylindrical rods the cotters are assembled in 7. Sleeve and cotter joint autodesk inventor part design and assembly. May 2014 socket and spigot cotter joint sleeve and cotter joint gip and cotter joint 7. Basically, two random variables are jointly continuous if they have a joint probability density function as defined below. The cotter is locked in position by means of a screw as shown in fig. The modular range includes all elements oval and around to obtain very diverse forms of ventilation ducts. In order to find out various dimensions of the parts of a cotter joint, failures in different parts and at different xsections are considered. Cotter joint article about cotter joint by the free dictionary. Higher caps with more ease are more difficult to sew. Apr 15, 2018 we are proud to inform that we had done some valuable programme on several colleges for past 10 years under both anna university and pondicherry university. Instructions the parts and assembly of the cotter joint is. A first arm member and an aperture that is formed in the sleevejoint coupling are disposed in an opposite relationship. Joint probability density function joint continuity pdf.
The enlarged ends of the rods butt against each other with a common sleeve over them. The sleeve on the left shows severe corrosion and wear when compared with the sleeve on the right. What are the applications of sleeve and cotter joint answers. The gib increases the tearing area of the cotter and prevents slackening of the joint besides holding the jaws of the strap or fork from opening. This increases the bearing area and permits drilling while making the slots. The obvious example is on a bicycle where both pedal bars are separately locked by a. Free body diagram of forces acting on three components of the cotter joint socket, cotter and spigot are shown in figure 9. Sometimes, a sleeve and cotter joint as shown in fig. The joint probability density function joint pdf is a function used to characterize the probability distribution of a continuous random vector. Jul 17, 2016 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.
Easily understanding language, good relevant examples, good. Cotter joint is used to connect two rods subjected to axial tensile or compressive loads. Cotter joints use a transverse wedge with cylindrical or conical surfaces, and a longitudinal wedge. Take factor of safety as 4 for tension, 6 for shear and 3 for crushing based on the tensile yield strength. For example two rods may be joined coaxially and when they are pulled apart they should not. Sometimes, a sleeve and cotter joint is used to connect two round rods or bars. Ppt knuckle joint powerpoint presentation free to view. Introduction sleeve and cotter joint is a type of joint. A free powerpoint ppt presentation displayed as a flash slide show on id. Watch next videos of design of cotter joint, knuckle joint,levers and offset links. Manufacturers usually have a model number for each type of knuckle joint they manufacture. Joint densities and joint mass functions example 1. Why are welded joints preferred over riveted joints.