The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. 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. The computeraided design cad files and all associated. Pulleys i solid cast iron pulley up to 200 mm diameters. Unit vi shafts design of solid and hollow shafts for strength and rigidity design of shafts for combined bending and axial loads shaft sizes. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Following are the three commonly used cotter joints to connect two rods by a cotter. The end of the rod which goes into a socket is also called spigot. Design a socket and spigot cotter joint to connect two steel rods of equal diameter.
Design of socket and spigot cotter joint linkedin slideshare. Write equations for tensile and crushing failure of the spigot of a cotter joint. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. Ppt cotter joint powerpoint presentation free to view. This increases the bearing area and permits drilling while making the slots. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below. Design of socket and spigot cotter joint 4163 mathtab.
Q4 design a socket and spigot cotter joint for carrying 50 kn tensile load. A cotter is driven tightly through the slots in the rods which are kept slightly mis aligned. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. Design of keys stresses in keys cotter joints spigot and socket, sleeve and cotter, jib and cotter jointsknuckle joints. The socket and the spigot are provided with a narrow rectangular slot. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. A socket is formed by expanding the end of one rod in which the spigot end of the other rod is inserted. Sleeve cotter joint pdf the working of the cotter andsleeve and cotter and gib are shown below. The two rings are pulled together by tightening the nuts at the end of each stud, this in turn pulls the joint together, the gasket then forms a tight seal around the socket stopping the leak. Socket and spigot repair collars for the repair of leaking socket joints on cast and ductile iron pipe. At4 spigot, nato reporting name for 9k111 fagot, a russian antitank missile. Modeling and analysis of cotter joint ijert journal.
Design of socket and spigot joint bending mechanics. Joint between piston rod and crosshead of steam engine 2. Couplings i unprotected flange coupling having socket and spigot arrangement ii protected flange coupling 5. The joint is made by caulking in spun yarn jute and then filling the remainder of the joint space by molten lead and then thoroughly caulking the lead. The internal diameter of socket d is same as external diameter of spigot. 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. Design of cotter joint socket and spigot joint it is used to connect two coaxial rods under the action of axial tensile or compressive loads. Cotter joints can be quickly assembled as well as disassembled. What are the practical application of cotter joint. Notation used design procedure the dimensions for a socket and spigot cotter joint may be obtained by considering the various modes of failure 1 failure of the rod in tension the rod may fail in tension due to the tensile load p.
Socket and spigot cotter joints in a socket and spigot cotter joint, one end of the rods is provided with a socket. Dec 21, 2017 design of socket and spigot cotter joint part number name of part 1 shaft or rod 2 socket 3 spigot 4 cotter 5 socket collar 6 spigot collar mr. Flange spigot, flange socket, double flanged, double spigot and short length socket spigot pipes for both water and sewer application. Nov 07, 2009 design procedure for the spigot and cotter joint to understand the design steps let take a question and solve it step by step.
P load on the joint or pull acting on rods, d diameter of the rod, d1 outer diameter of socket,d2 diameter of spigot or inside diameter of socket, d3 outside diameter of spigot collar,d4 diameter of socket collar, t1 thickness of spigot collar, a distance from the end of the slot to end of spigot, c thickness. Design a cotter joint of socket and spigot type, which may be subjected to a pill or push of 30 kn. Design of various types of riveted joints under different static. Winner of the standing ovation award for best powerpoint templates from presentations magazine. A cotter joint is used to connect one end of a rod is provided with a socket type of end and the other end of the rod is inserted to a socket. The molten lead solidifies quickly and makes the joint water tight. Design of roller ball bearing design of machine elements dme. Ductile iron pipe and fittings for water application. A cotter joint for connecting two rods along which tension or compression act is made with ends of the rod especially made. It is composed of a split serrated restraint ring that is assembled on the spigot and a split nonserrated restraint ring that is assembled behind the bell. Cotter joint is used to connect two rods or components which are subjected to. Design of gib and cotter joint for strap end of a connecting. As a common practice for plate thickness greater than.
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. The dimensions for a socket and spigot cotter joint may be obtained by. Design a socket and spigot joint to resist a tensile load of 28 kn. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Use of standard machine design data book is permitted. 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. 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. The effect of stress concentration due to the slot is neglected. Spigot inc, an international digital marketing company. Gib and cotter joint socket and spigot cotter joint p load carried by the rods, d diameter of the rods, d 1 outside diameter of socket, d 2 diameter of spigot or inside diameter of socket, d 3 outside diameter of spigot collar, t 1 thickness of spigot collar, d 4 diameter of socket collar, c. They are used on virtually every automobile made and work similarly to the ball and socket design of the human hip joint. The cotter is usually made of mild steel or wrought iron. The assembly of socket and spigot joint was created as per the drawing specification. It is required to design a cotter joint to connect two steel rods of equal diameter.
Appropriate slots are cut in the sleeve and in the cylindrical rods. It includes the various applications of the joints and also the comparison of the joints. The strap end of a connecting rod of steam engine is joined by. The cost of the cotter is small compared with socket end or spigot end. The design stress may be taken as 75 mpa in tension. Design of socket and spigot cotter joint part number name of part 1 shaft or rod 2 socket 3 spigot 4 cotter 5 socket collar 6 spigot collar mr. Instructions the parts and assembly of the cotter joint is. Mechanical design of machine elements and machines. The series 1600td trudual restraint is a split serrated restraint for pushon pipe, both ductile iron pipe bells and awwa c900 pvc pipe bells. Socket and spigot joint part design, assembly and drawing of all parts with solidworks. Design of cotter joint cotter joint is also called as socket and spigot joint. An introduction to the analysis and design of bolted connections.
Sometimes, a sleeve and cotter joint as shown in fig. Spigot and socket joint cotter joint rods, having axial tensile or compressive forces are connected by cotter joints. When the cotter is inserted into the slot, the central portion of cotter comes in contact with spigot and the spigot gets pushed into the socket till the. Each rod is subjected to an axial tensile force of 50 kn.
Design procedure the dimensions for a socket and spigot cotter joint may be obtained by considering the various modes of failure 1 failure of the rod in tension the rod may fail in. The ends are normally made by forging and rectangular hole is also created. It contains a sleeve and two wedge shaped tapered cotters. Sleeve and cotter joint and its design engineers gallery. Socket and spigot cotter joint is used to connect circular rods. Socket and spigot cotter joint autodesk inventor part. If the allowable stresses in tension, compression and shear for the socket, rod and cotter. 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. Tierod and pipe joint i turnbuckle ii flange pipe joint 4.
Choose the correct answer from the given four alternatives. See all design to learn to design and assemble the parts in diff ways and methods. Provides information about academic calendar, notices, gtu results, syllabus,gtu exams,gtu exam question papers,gtu colleges. Solution manual mechanical engineering design 9th edition. Clearances between the cotter and slots in the rod end and socket allows the driven cotter to draw together the two parts of the joint until the socket end comes in contact with the cotter on the. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Socket and spigot cotter joint the socket and spigot cotter joint is shown in fig.
The factor of safety for rods, spigot end and socket. Design procedure of cotter joint, socket and spigot joint design of machine video lecture on design procedure of cotter joint, socket and spigot joint page 14. Socket and spigot cotter joint sleeve and cotter joint gib and cotter joint applications. Design of gib and cotter joint for strap end of a connecting rod. Permissible shear stress for the cotter material, and.
Spigot and socket joint definition and meaning collins. Material of two rods and cotter is steel 30 c8 s yt 400nmm2, s yc 2 s yt and s sy 0. It can be read and understand by the other readers. A cotter joint for connecting two rods along which tension. 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. The socket and spigot cotter joint is shown in fig 2. Sleeve and cotter joint, socket and spigot joint and. Machine design mechanical engineering questions and. Research article process design of a ball joint, considering. The 3d models of socket and spigot joint parts socket, spigot, cotter are created using autocadcatia. Design a cotter joint subjected to a tensile load of 35 kn and a. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide. Types of key and design, design of socket spigot cotter joint, sleeve and cotter joint, gib and cotter joint, design of. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their.
One rod end carries a spigot the end to be inserted while the other rod end is finished in form of a socket. Geometry of thread forms, terminology of screw threads and thread standards, specifications of steel bolts, initial. Spigot and socket joint, joints in water supply pipes. Design of cotter joint tap valve bending free 30day. Drafting front, side and top view of socket, spigot and cotter. Knuckle joint, cotter joint and turn buckle the article contains the questions and answers related to the design of joints including knuckle joint, turn buckle and cotter joint. Spigot and socket jointcotter joint rods, having axial tensile or compressive forces are connected by cotter joints. This video explains design procedure of socket and spigot type of the cotter joint. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. Mohair bear making supplies limited cotter t pin joints.
Chapter 4e design of rivets for eccentrically loaded joints. Rods may be of different cross sections like circular or square. The variou s proportions of the joint as per empirical relations are. Cotter joints for square rods gib and cotter joint 3. Spigot joint article about spigot joint by the free dictionary. Spigot and socket joint pipes are joined and sealed using either a rolling rubber or a sliding rubber ring respectively.
A wide variety of spigot and socket joints options are available to you, there are 394 suppliers who sells spigot and socket joints on, mainly located in asia. Spigot, the male end of a pipe designed to be connected with a spigot and socket joint. All the parts of the joint are made from same material with following allowable stresses. A spigot or tap or faucet is a valve for controlling the release of a gas or liquid. A cotter joint is a temporary fastening and is used to connect rigidly two co. Design of cotter joint bending strength of materials.
Select appropriate materials for various components of the joint. The drawings of socket, spigot, and cotter are studied. The cotter is locked in position by means of a screw as shown in fig. It has socket end,spigot end and cotter as main parts. Spigot is formed on one of the rods and socket is formed on the other. The bearing stud is tapered and threaded, and fits into a tapered hole in the steering knuckle.
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