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. A socket is formed by expanding the end of one rod in which the spigotend of the other rod is inserted. Chapter 4edesign of rivets for eccentrically loaded joints. The 3d models of socket and spigot joint parts socket, spigot, cotter are created using autocadcatia. The socket and the spigot are provided with a narrow rectangular slot. Spigot joint article about spigot joint by the free. 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. Cotter joint is used to connect two rods or components which are subjected to tension or compression. A connection between two sections of pipe, the straight spigot end of one section is inserted in the flaredout end of the adjoining section. Jul 03, 2015 sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r.
Socket and spigot cotter joint the socket and spigot cotter joint is shown in fig 2. 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. Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links. Let, p load carried by the rods, d diameter of the rods, d1 outside diameter of socket, d2 diameter of spigot or inside diameter of socket, d3 outside diameter of spigot collar. Cotter and knuckle joints understanding engineers gallery. Design of socket and spigot cotter joint slideshare. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. Tierod and pipejoint i turnbuckle ii flange pipe joint 4. 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 joint is also called as socket and spigot 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 for an easy adjustment. Design procedure of cotter joint, socket and spigot joint design. Gib and cotter joint design procedure for the spigot and cotter joint. Following are the three commonly used cotter joints to connect two rods by a cotter. A socket is formed by expanding the end of one rod in which the spigot end of the other rod is inserted. There are a three types of cotter joint 1 socket and spigot cotter joint 2 sleeve and cotter joint 3 gib and cotter joint asked in mechanical engineering what are the applications of socket and. Socket and spigot cotter joint, sleeve and cotter joint, and gib and cotter joint.
The assembly and dismantling of parts of the cotter joint is quick and simple. The sliding rubber ring is installed using a soft soap lubricant. Design of various types of riveted joints under different static. The end of the rod which goes into a socket is also called spigot. 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. If the allowable stresses in tension, compression and shear for the socket, rod and cotter be t. Tierod and pipe joint i turnbuckle ii flange pipe joint 4. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Appropriate slots are cut in the sleeve and in the cylindrical rods.
Cotter joint is used to connect two rods subjected to axial tensile or compressive loads. Aug 27, 2014 chapter 4edesign of rivets for eccentrically loaded joints. It contains a sleeve and two wedge shaped tapered cotters. The assembly consists of inserting the spigot end into the socket end and putting the cotter into their common slot. Knuckle joint design procedure problems and questions assembly drawing of knuckle joint knuckle joint assembly drawing sectional front top view mechanical drafting md machine drawing sleeve and cotter joint socket spigot knuckle joint drawing you solved 2 shear loading of bolt given the knuckle joint machine drawing btau305 sunil. A cotter is driven tightly through the slots in the rods which are kept slightly mis aligned. Design of socket and spigot cotter joint part number name of part 1 shaft or rod 2. When the cotter is hammered, the rods are drawn together and tightened. Sleeve and cotter joint, socket and spigot joint and.
The cotter has uniform thickness and the width dimension is given a slight taper. Cotter joint the cotter joint offers the following advantages. Allowable tensile stress 90 mpa allowable crushing stress 120 mpa allowable shear stress 60. Spigot and socket joint, joints in water supply pipes. 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. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below. This video explains design procedure of socket and spigot type of the cotter joint. Let, p load carried by the rods, d diameter of the.
Joint between piston rod and crosshead of steam engine 2. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Couplings i unprotected flange coupling having socket and spigot arrangement. 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. Spigot is formed on one of the rods and socket is formed on the other. Spigot and socket joint pipes are joined and sealed using either a rolling rubber or a sliding rubber ring respectively. Material of two rods and cotter is steel 30 c8 s yt 400nmm2, s yc 2 s yt and s sy 0. Sir, what do you mean by fs in the knuckle joint assembly drawing. Cotter joint free download as powerpoint presentation.
The drawings of socket, spigot, and cotter are studied. Mar 01, 2016 video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links chapter of design of machine for mechanical. Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links chapter of design of machine for mechanical. The subject of this project is the modeling and analysis of cotter joint.
Spigot joint article about spigot joint by the free dictionary. The molten lead solidifies quickly and makes the joint water tight. Cotter joint piston tension physics free 30day trial. In a socket and spigot cotter joints, one end of the rods is provided with a socket type of end and the other end of the rod is inserted into a socket the end of the rod which goes in to a. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. 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. Each rod is subjected to an axial tensile force of 50 kn. The cotter is usually made of mild steel or wrought iron. Scribd is the worlds largest social reading and publishing site.
Design of socket and spigot cotter joint linkedin slideshare. Presentation mode open print download current view. Spigot fits inside the socket and the cotter is passed through. The dimensions for a socket and spigot cotter joint may be obtained by. Assume the following stresses for socket, spigot and cotter. The socket and spigot cotter joint is shown in fig 2. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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. Cotter joint is widely used to connect the piston rod and cross head of. Cut section of socket and spigot joint 3272012 2 hareesha n g, dsce, blore78.
Joints between the piston rod and the cross need of the steam engine. Design a socket and spigot cotter joint to connect two steel rods of equal diameter. Socket spigot socket and spigot joint manufacturer from. The assembly of socket and spigot joint was created as per the drawing specification.
What are the applications of sleeve and cotter joint answers. Aim design and drawing of cotter joint function a cotter joint is. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below. The factor of safety for rods, spigot end and socket end is assumed as 6 while for cotter. 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. Design procedure of cotter joint, socket and spigot joint.
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