The taper varies from 1 in 48 to 1 in 24 and it may be increased up to 1 in 8, if a locking device is provided. Sleeve and cotter joint autocad 3d machine drawing. 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 adjustment socket cotter spigot. Use contact solver follow the parametric relations given. Free body diagram of forces acting on three components of the cotter joint socket, cotter and spigot are shown in figure 9. 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. Autocad mechanical practice drawings pdf free download. Cotter joints use a transverse wedge with cylindrical or conical surfaces, and a longitudinal wedge. Joint probability density function joint continuity pdf. It is also known as universal coupling, ujoint, cardan joint and hookes joint. Cotter joint is widely used to connect the piston rod and cross head of the. This joint has better strength compared to the socket and spigot cotter joint.
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. This joint is connecting two roads in such a way that it can transfer axial compression or tensile load. What are the applications of sleeve and cotter joint answers. Clearances are absolutely required for proper functioning of the joint. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below.
Design of knuckle joint youngs modulus strength of. This increases the bearing area and permits drilling while making the slots. Sleeve has two slots where two cotters are placed in different slots and going through different rods. It is used in railway carriage coupling screws and the neck of glass bottles asquare thread bbsw thread cknuckle thread dmetric thread. Design procedure for sleeve and cotter joint the career. 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. Aim design and drawing of cotter joint function a cotter joint is. Keys, cotters and pin joints 111 indian institute of. The cotter has uniform thickness and the width dimension is given a slight taper.
Vikas porwal11bme08 ashish jaiswal11bme0268 knuckle joint. Couplings i unprotected flange coupling having socket and. The ends of the two rods are inserted from opposite sides in a cylindrical sleeve or steel box. Let me see here there are 2 rods which is here one such is up to this part and another one is here, so they are. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their. Cotter joint is used to connect two rods or components which are subjected to tension or compression. 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. Aug 31, 2017 automobile engineering83 about us types of gear pdf, gib and cotter joint, socket and spigot joint, classification of brakes, types of fire in hindi, application of cotter joint, different types of brakes and their applications, type of fire in hindi, arduino projects ideas, mechanical drill, knuckle joint application, application of knuckle. The following sections explain the sleeve and cotter. Following are the three commonly used cotter joints to connect two rods. Jul 03, 2015 sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. To lock rotation of the end piece with double joint, push the cotter pin c through the hole until it snaps into place.
Synthetic soldiers robots are increasingly finding their way into the military. 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. Function a cotter joint is used to connect one end of a rod is provided with a. Autocad mechanical practice drawings pdf free download autocad exercise book. Universal joint is a positive mechanical joint used for connecting shafts, whose axes are inclined at an angle to each other. Basically, two random variables are jointly continuous if they have a joint probability density function as defined below. 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. Marking scheme engineering graphics all questions are to be answered correctly and accurately.
Sleeve and cotter joint assembly i front view upper half in section. Shows the detail drawings of different parts of gib and cotter joint for joining two square rods. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. Design of various types of riveted joints under different static loading conditions. May 08, 2017 the cotter is usually made of mild steel or wrought iron. Sir, what do you mean by fs in the knuckle joint assembly drawing. The cotter is usually made of mild steel or wrought iron. A pictorial view of sleeve and cotter joint is shown in fig 8.
Disassemble the parts of given sleeve and cotter joint as shown in fig 2, and draw orthographic views of the following parts by keeping position same, to scale 1. Design a sleeve and cotter joint to resist a tensile load of 60 kn. Sleeve and cotter joint, socket and spigot joint and. Mechanical joints may be temporary or permanent, most types are designed to be disassembled. Refer this to complete the assignment 01 last date for submission 01st. Sleeve and cotter joint autocad 3d machine drawing assembly. Two cotters are inserted through the slots on each rod end.
There is always axial or linear line of action of load. Sometimes, a sleeve and cotter joint is used to connect two round rods or bars. Depending on the type of application, the shapes of the parts of universal joint may vary. The cotters are assembled into these slots the following sections explain the sleeve and cotter joint in detail. Sleeve and cotter joint and its design engineers gallery. Sometimes, a sleeve and cotter joint as shown in fig. The slots in the rods and sleeve are made slightly wider. See all design to learn to design and assemble the parts in diff ways and methods. 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. 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 joints, socket and spigot joint, sleeve and cotter joint gib and cotter joint, knuckle joint.
Cotter joint article about cotter joint by the free dictionary. If the above joint is subjected to a load such that the factor of safety is 4, find out the actual stresses developed in the plates and the rivets. 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. The parts and assembly of the cotter joint is shown below. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The cotter is locked in position by means of a screw as shown in fig.
Tierod and pipe joint i turnbuckle ii flange pipe joint 4. One piece expansion bolts for heavy duty fastening into stone or solid concrete. The ends of the two rods are inserted from opposite sides in a. There is no relative angular movement between rods. Autocad 3d machine drawing assembly learn in easy way. Appropriate slots are cut in the sleeve and in the cylindrical rods. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. A mechanical joint is a section of a machine which is used to connect one or more mechanical part to another. Dimensions of a sleeve and cotter joint in terms of diameter of the rods d fig 4.
Chemistry in space v 15, new york berlin, springer verlag, 1986. Here instead of a socket arrangement, a sleeve is used. Spigot is formed on one of the rods and socket is formed on the other. A knuckle joint is a mechanical joint used to connect two rods which are under a tensile load, when there is a requirement of small amount of flexibility, or angular moment is necessary. Unit2 keys splines socket and spigot cotter joint sleeve and cotter joint gib and cotter joint knuckle joint.
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. Some of the parts are a bit more challenging than others, but none of them are meant to be difficult. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. 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. This is the simplest form of cotter joint used for fastening the two circular rods. Higher caps with more ease are more difficult to sew. 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. Assemble the parts correctly and then draw the following views to a scale 1. Design procedure for sleeve and cotter joint subscribe you tube channel prime course link. Feb 12, 2018 autocad 3d machine drawing assembly learn in easy way.
What are the applications of sleeve and cotter joint. 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. C radio communication and its link with space weather. Keys a key is a machine element that is used to connect the transmission shaft to rotating machine element like pulley, gear, sprocket, flywheel. Introduction sleeve and cotter joint is a type of joint. Cotter joint is widely used to connect the piston rod and crosshead of a steam engine, as a. They require ease stitching to mold the cap to introduction to sleeves sleeves are both functional and design elements of a garment. The applications of the sleeve and cotter joint is the joint between the piston rod and crosshead of the engine. A mechanical joint is a part of a machine which is used to connect one. Front and top view of knuckle joint evangelinterior. Instructions the parts and assembly of the cotter joint is. A cotter joint is a simple and compact connection and is easily assembled and disassembled. 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. 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.
Extend the end piece so that the reference marks align, and handtighten the springloaded knurled nut d. 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. What are the practical application of cotter 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. It contains a sleeve and two wedge shaped tapered cotters.