What are the applications of sleeve and cotter joint answers. What are the practical application of cotter joint. 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.
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. Design of cotter joint bending strength of materials. It is a multivariate generalization of the probability density function pdf, which characterizes the distribution of a continuous random variable. Knuckle joint introduction, parts and applications. Sleeve and cotter joint and its design engineers gallery. Joint probability density function joint continuity pdf. Universal joint is a positive mechanical joint used for connecting shafts, whose axes are inclined at an angle to each other. 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. Design procedure of cotter joint, socket and spigot joint design. Nov 29, 20 the variou s proportions of the joint as per empirical relations are. Higher caps with more ease are more difficult to sew. The joint allows a small angular moment of one rod relative to another.
Depending on the type of application, the shapes of the parts of universal joint may vary. The joint probability density function joint pdf is a function used to characterize the probability distribution of a continuous random vector. The sleeve on the left shows severe corrosion and wear when compared with the sleeve on the right. Knuckle joint is named so because it is free to rotate about the axis of a knuckle pin. Dimensions of a sleeve and cotter joint in terms of diameter of the rods d fig 4. The applications of the sleeve and cotter joint is the joint between the piston rod and crosshead of the engine. The allowable limits of tensile, shear and crushing strength are 60 nmm2, 40 nmm2 and 75 nmm2. 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. 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. Instructions the parts and assembly of the cotter joint is. 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 then driven tightly through a hole in order to make the temporary connection between the two rods the load is usually acting axially but it changes its direction. Sleeve joint article about sleeve joint by the free dictionary.
Similarly we can get a marginal distribution for y. The low chamfer angle of the wedge assures tightness of the joint and provides selfbraking, which prevents the wedge from falling out. Basically, two random variables are jointly continuous if they have a joint. Cotter joint article about cotter joint by the free. Joint densities and joint mass functions example 1. The following are some of the commonly used cotter joints. All the above parts can be visualized if you take a look at the exploded view shown below. Design of cotter joint free download as powerpoint presentation. Ac 20143 installation, inspection, and maintenance of. The ushaped bellows is a type of expansion joint very widely used in pipelines. This paper presents some design diagrams and design formulae for such a bellows in a manner intended to enable the pipeline designer to evaluate more easily the elastic characteristics. Spigot is formed on one of the rods and socket is formed on the other. Introduction sleeve and cotter joint is a type of joint. Skf uses cookies on our web site to align the information shown as closely as possible to the visitors preferences and to tailor our web site user experience in general.
Here, we will define jointly continuous random variables. Seshu adluri introduction steel connections many configurations are used for force transfer in connections. Here instead of a socket arrangement, a sleeve is used. 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. Basically, two random variables are jointly continuous if they have a joint probability density function as defined below. Sometimes, a sleeve and cotter joint is used to connect two round rods or bars.
Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. 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. Cotter joints may be used in areas subject to corrosion during operation, resulting in difficulty in turning rusty bolts and nuts of threaded connections. Free body diagram of forces acting on three components of the cotter joint socket, cotter and spigot are shown in figure 9. Two random variables x and y are jointly continuous if there exists a nonnegative function fxy. Most mechanical joints are designed to allow relative movement of these mechanical parts of the machine in one degree of freedom, and restrict.
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. 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. A cotter joint is a simple and compact connection and is easily assembled and disassembled. Design a cotter joint to connect two mild steel rods.
Dec 06, 2015 cbse class xii engineering graphics sleeve and cotter joints assembly drawing. This increases the bearing area and permits drilling while making the slots. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. 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. In a socket and spigot cotter joints, one end of the rods. 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. Sleeve and cotter joint, socket and spigot joint and. These joints may be subjected to tensile or compressive forces along the axes of the rods. This joint has better strength compared to the socket and spigot cotter joint. 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. This hole is for a cotter pin it looks similar to a bobby pin for the hair, that helps to keep the wheel on while the wheel is turning. Gtu paper analysis new syllabus chapter 1 design against. Cotter joint is used to connect two rods subjected to axial tensile or compressive loads.
If the sleeve cap height is increased above the standard fitted sleeve, the cap will extend above the normal shoulder line. Appropriate slots are cut in the sleeve and in the cylindrical rods. Keys, cotter and unit 5 key, cotter and knuckle knuckle joints joints structure 5. The cotter is usually made of mild steel or wrought iron. Cbse class xii engineering graphics sleeve and cotter joints. Now this kind of cotter joint is known as a socket and spigot type cotter joint. A device for joining the ends of two wires or cables together, constructed by forcing the ends of the wires or cables into both ends of a hollow sleeve explanation of sleeve joint. What are the applications of sleeve and cotter joint.
A cotter joints is a flat wedge link piece of steel of rectangular cross section which is. 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. It is also known as universal coupling, ujoint, cardan joint and hookes joint. They require ease stitching to mold the cap to introduction to sleeves sleeves are both functional and design elements of a garment.
Cbse class xii engineering graphics bushed bearing assembly drawing duration. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. Sir, what do you mean by fs in the knuckle joint assembly drawing. Cotter joints use a transverse wedge with cylindrical or conical surfaces, and a longitudinal wedge.
Sleeve has two slots where two cotters are placed in different slots and going through different rods. Cbse class xii engineering graphics bushed bearing assembly drawing. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their axes.
Cotter joint new free download as powerpoint presentation. Keys, cotter and unit 5 key, cotter and knuckle knuckle. For example, on a childs wagon, the axles have a hole in each outside end. 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. Ensure that the cotter pin is visible from both sides of the assembly after fitting and is flushsub flush with the insulator. Cotter joint is used to connect two rods or components which are subjected to tension or compression. Coaxial holes are provided in the fork end, eye end and. For 0 design procedure of cotter joint, socket and spigot joint design of machine duration. Chemistry in space v 15, new york berlin, springer verlag, 1986. It consist of 1 spigot 2 socket 3 cotter application.
Jun, 2016 the sleeve and cotter joint assembly for more machine drawing videos click. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. 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. This article explains sleeve and cotter joint with its exploded view, assembled view advantages and disadvantages. Reusing the cotter pin can invalidate the ip67 rating. 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. Chapter 7 cotter and knuckle joints machine design. The locking device may be a taper pin or a set screw used on the lower end of the cotter. X and y are jointly continuous with joint pdf fx,y. That is just a pin joint and not exactly a knuckle joint. A cotter joint is temporary joint and used to connect two coaxial rods or bars which are subjected to axial tensile and or compressive forces. The cotter is locked in position by means of a screw as shown in fig.
A cotter joint is a temporary fastening and is used to connect rigidly two coaxial rods or bars. Keys, cotters and pin joints 111 indian institute of. Cotter joint a detachable joint that is fastened or adjusted by a wedge. Socket and spigot joint, sleeve and cotter joint gib and cotter joint, knuckle joint. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below.
A cotter joint is one that is used to hold parts that might turn, as in an axle or a drive shaft. May 08, 2017 the cotter is usually made of mild steel or wrought iron. These joints are not suitable where the members are under rotation. Both sleeves are located on opposite sides of the impeller shaft and were manufactured from cast iron. In order to find out various dimensions of the parts of a cotter joint, failures in different parts and at different xsections are considered. Worked examples multiple random variables example 1 let x and y be random variables that take on values from the set f. C radio communication and its link with space weather. 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. It contains a sleeve and two wedge shaped tapered cotters. The cotters are assembled into these slots the following sections explain the sleeve and cotter joint in detail. Vishwakarma engineering drawing classes 44,755 views. Fit the cotter pin, tapered end first into the insulatorcontact using either a press or a soft hammer. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
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