A mechanical joint is a section of a machine which is used to connect one or more mechanical part to another. Cotter joints may be used in areas subject to corrosion during operation, resulting in difficulty in turning rusty bolts and nuts of threaded connections. Socket and spigot cotter joint is connecting two rods in such a way that it can transfer axial compression or tensile load. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below. It enables the bone to move in many places nearly all directions. 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. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Design of gib and cotter joint for strap end of a connecting. Explain the design process for knuckle joint with neat sketch. This type of joint allows the bone to move in a 360 anglewith more freedom than other joints.
Cotter joints use a transverse wedge with cylindrical or conical surfaces, and a longitudinal wedge. In this case one end of the first rod is enlarged in diameter to some. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. An introduction to the analysis and design of bolted connections. So far i only have 2 hinge joints dog door and flip cell phone, and 1 pivot swivel chair i also have to write a 34 line description saying.
Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links. If the allowable stresses in tension, compression and shear for the socket, rod and cotter be t. A ball and socket joint enarthrosis, spheroidal joint is a joint in which the ballshaped surface of a bone fits into the cuplike indentation of another bone. Design of socket and spigot cotter joint the socket and spigot cotter joint is. Shearing away of socket if dw and socket joint or spheroid joint is a type of synovial joint in which the ballshaped surface of one rounded bone fits into the cuplike depression of another bone. 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. Piping coordination system butt welded, socket welded and. 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. Cotter joints can be quickly assembled as well as disassembled.
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. State the different applications of the knuckle joint. 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. Design of socket and spigot joint bending mechanics. The molten lead solidifies quickly and makes the joint water tight. Ballandsocket joint definition of ballandsocket joint. Design procedure of cotter joint, socket and spigot joint. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Mechanical joints may be temporary or permanent, most types are designed to be disassembled. It is most highly developed in the large shoulder and hip joints of mammals, including humans. The socket and spigot cotter joint is shown in fig 2.
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. Spigot and socket joint, joints in water supply pipes. The socket and the spigot are provided with a narrow rectangular slot. Design of socket and spigot joint free download as powerpoint. A ball and socket joint is typified by the hip where the ball at the top of the femur articulates with the acetabular socket. It contains a sleeve and two wedge shaped tapered cotters. Rods may be of different cross sections like circular or square.
Cotter joint is used to connect two rods or components which are subjected to tension or compression. Spigot fits inside the socket and the cotter is passed through. 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. Ball and socket joint, in vertebrate anatomy, a joint in which the rounded surface of a bone moves within a depression on another bone, allowing greater freedom of movement than any other kind of joint. Design a cotter joint subjected to a tensile load of 35 kn and a. Mar 02, 2009 for school i need to have two manmade examples of the following. 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. 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 of socket collar, b,t,l width, thickness and length of cotter.
Spigot is formed on one of the rods and socket is formed on the other. A cotter joint is a simple and compact connection and is easily assembled and disassembled. The bearing stress is taken into account in the design of riveted joints, cotter joints. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. A cotter is driven tightly through the slots in the rods which are kept slightly mis aligned. Socket and spigot cotter joint solid works part design.
Socket and spigot cotter joint is used to connect circular rods. The distal bone is capable of motion around an indefinite number of axis, which have one common center. Hinge joints, ball and socket joints, gliding joints, and pivot joints. Spigot inc, an international digital marketing company. Download as ppt, pdf, txt or read online from scribd. Spigot joint article about spigot joint by the free dictionary. Design of socket and spigot cotter joint linkedin slideshare.
The cotter is locked in position by means of a screw as shown in fig. Design a socket and spigot joint to resist a tensile load of 28 kn. Socket and spigot cotter joint and its design engineers gallery. Ball and socket joint simple english wikipedia, the free. For example, a bolt thread of 6 mm size of coarse pitch and with allowance on. The function of the ball and socket joint is to help rotate, move the limb up and down, forward and back, etc. 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 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. Joints between the piston rod and the cross need of the steam engine. Ball and socket joint definition is a joint in which a ball moves within a socket so as to allow rotary motion in every direction within certain limits. Double shearing of cotter pin cotter joint modes of failure. Spigot and socket jointcotter joint rods, having axial tensile or compressive forces are connected by cotter joints. Cotter joint article about cotter joint by the free dictionary. Aim design and drawing of cotter joint function a cotter joint is. In a socket and spigot cotter joint, one end of the rods say a is provided with a socket type of end as. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Design of gib and cotter joint for strap end of a connecting rod.
Design procedure of cotter joint, socket and spigot joint design. What are the practical application of cotter joint. Failure of cotter joint may causes accident, so it is necessary to design cotter joint to. At4 spigot, nato reporting name for 9k111 fagot, a russian antitank missile. This increases the bearing area and permits drilling while making the slots. A socket is formed by expanding the end of one rod in which the spigot end of the other rod is inserted. Spigot and socket joint definition and meaning collins. The end of the rod which goes into a socket is also called spigot.
Following are the three commonly used cotter joints to connect two rods by a cotter. Design of socket and spigot joint bending mechanics free 30. Appropriate slots are cut in the sleeve and in the cylindrical rods. Spigot, the male end of a pipe designed to be connected with a spigot and socket joint. A spigot or tap or faucet is a valve for controlling the release of a gas or liquid. State the different applications of the cotter joint. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their. Instructions the parts and assembly of the cotter joint is.
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