Socket and spigot cotter joint pdf from 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. Spigot has a collar which rests against the socket end. If the allowable stresses in tension, compression and shear for the socket, rod and cotter be t. 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. Joints between the piston rod and the cross need of the steam engine. Basically, cotter joint is used in which there is no angular displacement between two rod o the other hand the knuckle joint is used in which there is necessity of angular displacement for e. Spigot and socket joint definition and meaning collins. The assembly and dismantling of parts of the cotter joint is quick and simple. What are the applications of sleeve and cotter joint answers. Cotter joint a detachable joint that is fastened or adjusted by a wedge. Spigot is formed on one of the rods and socket is formed on the other.

Cotter joint the cotter joint offers the following advantages. Socket and spigot cotter joint is connecting two rods in such a way that it can transfer axial compression or tensile load. Spigot is the male part of the joint, it has a rectangular slot for passing the cotter through it. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. A socket is formed by expanding the end of one rod in which the spigotend of the other rod is inserted. 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. Feb 16, 20 design procedure of cotter joint, socket and spigot joint design of machine duration. 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. Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links. The socket and the spigot are provided with a narrow rectangular slot. The end of the rod which goes into a socket is also called spigot. 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. This increases the bearing area and permits drilling while making the slots.

The heel is inserted into the groove for retaining the gasket, when the spigot enters the socket, the bulb gets compressed and does the sealing. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Design of socket and spigot cotter joint part number name of part 1 shaft or rod 2. Design of socket and spigot cotter joint slideshare. The socket and spigot cotter joint is shown in fig 2. Design a socket and spigot cotter joint to connect two steel rods of equal diameter. Socket is the female part of the joint, it also has a rectangular slot for passing the cotter through it.

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 of socket and spigot cotter joint linkedin slideshare. The low chamfer angle of the wedge assures tightness of the joint and provides selfbraking, which prevents the wedge from falling out. The assembly consists of inserting the spigot end into the socket end and putting the cotter into their common slot.

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. 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 joint article about cotter joint by the free dictionary. Tyton type socket spigot push fit joints socket and spigot joints tyton are assembled with a rubber gasket as shown in the above detail. Gib and cotter joint socket and spigot cotter joint socket and spigot cotter joint in this joint, one end of the rods say a is provided with a socket type of end as shown and the other end of the other rod say b is inserted into a socket the end of the rod which goes into a socket is called spigot. Joint between piston rod and crosshead of steam engine 2. 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. The 3d models of socket and spigot joint parts socket, spigot, cotter are created using autocadcatia. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Following are the three commonly used cotter joints to connect two rods by a cotter. Sir, what do you mean by fs in the knuckle joint assembly drawing. Material of two rods and cotter is steel 30 c8 s yt 400nmm2, s yc 2 s yt and s sy 0. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9.

This video explains design procedure of socket and spigot type of the cotter joint. The assembly of socket and spigot joint was created as per the drawing specification. The cotter is usually made of mild steel or wrought iron. Spigot joint article about spigot joint by the free dictionary. The cotter has uniform thickness and the width dimension is given a slight taper. Spigot and socket joint pipes are joined and sealed using either a rolling rubber or a sliding rubber ring respectively. Design procedure of cotter joint, socket and spigot joint design of machine duration. Design of various types of riveted joints under different static. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their. Appropriate slots are cut in the sleeve and in the cylindrical rods. 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. Design procedure of cotter joint, socket and spigot joint design.

Cotter joint is widely used to connect the piston rod and cross head of. 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. Cut section of socket and spigot joint 3272012 2 hareesha n g, dsce, blore78. The subject of this project is the modeling and analysis of cotter joint. Mar 30, 2017 socket and spigot cotter joint is connecting two rods in such a way that it can transfer axial compression or tensile load. A connection between two sections of pipe, the straight spigot end of one section is inserted in the flaredout end of the adjoining section. Cotter joint is also called as socket and spigot joint.

Gib and cotter joint design procedure for the spigot and cotter joint. Design procedure of cotter joint with 3d visualization of different type of failures in different parts of joint. Cotter joint article about cotter joint by the free. The drawings of socket, spigot, and cotter are studied. Cotter joints may be used in areas subject to corrosion during operation, resulting in difficulty in turning rusty bolts and nuts of threaded connections. Shearing away of socket if dw i academic year 2017 2018 sem vi.

The cotter is locked in position by means of a screw as shown in fig. A socket is formed by expanding the end of one rod in which the spigot end of the other rod is inserted. 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. Aim design and drawing of cotter joint function a cotter joint is. Cotter joints use a transverse wedge with cylindrical or conical surfaces, and a longitudinal wedge. The dimensions for a socket and spigot cotter joint may be obtained by. 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. Let, p load carried by the rods, d diameter of the. The sliding rubber ring is installed using a soft soap lubricant. 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. 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. In this case one end of the first rod is enlarged in diameter to some. Socket and spigot cotter joint is used to connect circular rods. Each rod is subjected to an axial tensile force of 50 kn.

A typical push fit rubber gasket has a hard heel and a soft bulb. A cotter joint is a simple and compact connection and is easily assembled and disassembled. Design of spigot and socket cotter let p load carried by the rods. Cotter joint is used to connect two rods subjected to axial tensile or compressive loads. A cotter is driven tightly through the slots in the rods which are kept slightly mis aligned. Instructions the parts and assembly of the cotter joint is. Spigot joint article about spigot joint by the free. 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.

The factor of safety for rods, spigot end and socket end is assumed as 6 while for cotter. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below. Cotter joint is used to connect two rods or components which are subjected to tension or compression. It contains a sleeve and two wedge shaped tapered cotters. Cotter joint piston tension physics free 30day trial. Cotter joint free download as powerpoint presentation. Socket and spigot cotter joint, sleeve and cotter joint, and gib and cotter joint. When the cotter is hammered, the rods are drawn together and tightened. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r.