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. Design of spigot and socket cotter let p load carried by the rods. It contains a sleeve and two wedge shaped tapered cotters. Can the joint pdf of two random variables be computed from.
Install a commercial expansion joint to absorb the 1. In fact, the joint pdf given there is zero in the second and fourth quadrants. Design of socket and spigot cotter joint linkedin slideshare. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their. Therefore, the data in this handbook should be used only for general guidance in conjunction with the specific design criteria and with the application of proper engineering principles. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
Give the joint probability density function of x, y, z. The documentation is located in documentation module. 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. The design of these types of joints are discussed, in detail, in the following. I apologize for the lack of formatting in the question.
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, t1 thickness of spigot. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Lowell design guide socket wrenches handles square sockets 58 1116 34 16 78 1516 1 1116 118 16 114 1516 8 1716 112 158 1. This increases the bearing area and permits drilling while making the slots. The socket and the spigot are provided with a narrow rectangular slot.
The computeraided design cad files and all associated. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below. When the variables are independent, the joint density is the product of the marginal densities. But the fact that the conditional distributions are constant and thus independent of the values of both variables doesnt show that the x and y are independent random variables. The maximum permissible stresses are 55 mpa in tension. Development of a numerical technique for the static. The socket and spigot cotter joint is shown in fig. 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. Fem design automatically generates documentation for each joint added to the collection. Socket and spigot joint assembly and sectional views for more machine drawing videos. However, an optimal mechanical design must try that bolts only be working under longitudinal. This video explains design procedure of socket and spigot type of the cotter joint.
Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Feb 10, 2016 problem 2 design a cotter joint to transmit a load of 90 kn in tension or compression. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. Problem 3 two rod ends of a pump are joined by means of a cotter and spigot and socket at. 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. Design procedure of socket and spigot cotter joint ab classes design of machine.
Design of socket and spigot joint free download as powerpoint presentation. Not only longitudinal loads but also transversal ones can be applied to bolted joint. Model and recommendations for the design of rough socket. Failure of cotter joint may causes accident, so it is necessary to design cotter joint to. 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.
Piping coordination system butt welded, socket welded and. You may also need wall screws and anchors for a secure mount. A socket foundation connection is defined as rough when shear keys, responsible by the load transfer between the column and socket, are executed in the internal socket walls and on the precast column along the embedment region. Design procedure of socket and spigot cotter joint ab classesdesign of machine. All the parts of the joint are made from same material with following allowable stresses. The documentation contains the input data of the joint member data, load combinations, data of all components and detailed calculations, so called detailed result. 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. Socket and spigot cotter joint and its design engineers. 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.
Appropriate slots are cut in the sleeve and in the cylindrical rods. A novel socket design for upperlimb prosthesis conference paper pdf available in international journal of applied electromagnetics and mechanics 451. Prof fernando has authored 22 national and international patents in advanced fastening concepts, some of which are currently in the. Cotter joint and knuckle joint, socket and spigot joint. Pitch pin count socket series specifications contact resistance. Design a socket and spigot joint to resist a tensile load of 28 kn. Available inch socket opening selection chart lowell corporation. Shearing away of socket if dw joint distributions basic theory. Design of machine elements free download as pdf file. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below.
Sop small outline package applicable icsopssop open top type sockets ordering procedure ots design no. An introduction to the analysis and design of bolted connections. Design procedure of cotter joint, socket and spigot joint design. Forms and proportions of rivet heads, different views of different types of riveted lap and butt joints. The socket shield technique a case report haseeb h.
Cotter joint is used to connect two rods or components which are subjected to tension or compression. Design of cotter joint bending strength of materials. Assume the following stresses for socket, spigot and cotter. Design model and recommendations of columnfoundation. Design the joint and calculate 1 thickness of the plate, 2 diameter of the rivets, 3 pitch of the rivets, 4 distance between the rows of rivets, 5 margin, 6thickness of the straps and 7 efficiency of the joint. The molten lead solidifies quickly and makes the joint water tight.
Suppose that x and y are independent, either both with discrete distributions or both with continuous. In construction and machine design, a bolted joint consists in the assembly of two or more members through screw threaded elements or fasteners such as bolts and nuts. Jun 09, 2012 hey flashcop and welcome to the forums. The cotter is locked in position by means of a screw as shown in fig. Allowable tensile stress 90 mpa allowable crushing stress 120 mpa allowable shear stress 60 mpa. Design of socket and spigot joint bending mechanics. Finding covariance using the joint pdf physics forums. Video lecture on design procedure of cotter joint, socket and spigot joint from design of cotter joint, knuckle joint,levers and offset links. Oct 17, 2017 spigot cotter joint manual drafting part1.
If the allowable stresses in tension, compression and shear for the socket, rod and cotter be t. Problem 2 design a cotter joint to transmit a load of 90 kn in tension or compression. Following are the three commonly used cotter joints to connect two rods by a cotter. Design of cotter joint free download as powerpoint presentation. Eurocodes design of steel buildings with worked examples brussels, 16 17 october 2014 component no 2 column web in compression, min 2 2 2 5.
It is required to design a cotter joint to connect two steel rods of equal diameter. Instructions the parts and assembly of the cotter joint is. Socket and spigot cotter joint autodesk inventor part. Design of machine elements strength of materials yield.
Mar 04, 2009 extremely you ought to combine out the y dependence. Gardnpost tm gp37 37 optional gpx18 18 extender our tallest gardnpost supports most outdoor light fixtures, andor a gfci wiring device adaptable in the field for time clocks and disconnects openings on both sides of the post andthe low voltage separator supplied allow for low voltage on one side, power on the other. Scribd is the worlds largest social reading and publishing site. Design of bolted and welded joints under axial and eccentric loading conditions. His expertise involves bolted joint design, failure analysis, bolt forensics, design and manufacturing of specialised fastening solutions, quality assurance and automation, to name a few. Annexure b rashtrasant tukdoji maharaj nagpur university. 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. If i were you i would in later cases use the alternative definition covx,y exexyey and calculate x exy eyfx,ydxdy for the integral to double check your calculations if you think something is awry it is redundant but it is a good way to crosscheck your calculations in the case of say an algebraic mistake. Sep 18, 2017 socket and spigot joint assembly and sectional views for more machine drawing videos.