Sleeve and cotter joint and its design engineers gallery. Spigot fits inside the socket and the cotter is passed through. The molten lead solidifies quickly and makes the joint water tight. Design and analysis of knuckle joint by using fea the most commonly used types of cotter joints are.
The assembly and dismantling of parts of the cotter joint is quick and simple. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. Design procedure of cotter joint, socket and spigot joint design of machine duration. Design of socket and spigot cotter joint slideshare. Join 7,260,000 engineers with over 4,160,000 free cad files join the community join 7,260,000 engineers with over 4,160,000 free cad files join the community load in 3d viewer uploaded by anonymous. Join 7,360,000 engineers with over 4,210,000 free cad files join the.
Couplings i unprotected flange coupling having socket and spigot arrangement. The cotter has uniform thickness and the width dimension is given a slight taper. Cotter joints can be quickly assembled as well as disassembled. Sleeve and cotter joint, socket and spigot joint and. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their axes. Cotter joint the cotter joint offers the following advantages.
Cotter joint with drawing sheet 3d cad model library grabcad. Sleeve cotter joint pdf the working of the cotter andsleeve and cotter and gib are shown below. The 3d models of socket and spigot joint parts socket, spigot, cotter are created using autocadcatia. Design of socket and spigot joint bending mechanics. Spigot and socket joint cotter joint rods, having axial tensile or compressive forces are connected by cotter joints.
At a fixed distance from the end of the pipe, a surrounding welded bead is applied to the spigot end. Keys, cotter and unit 5 key, cotter and knuckle knuckle joints joints structure 5. Spigot and socket joint pipes are joined and sealed using either a rolling rubber or a sliding rubber ring respectively. Spigot and socket joint, joints in water supply pipes. Cotter joints for circularrods socket and spigot joint ii cotter joints for roundrods sleeve and cotter joint iii cotter joints for square rods gib and cotter joint. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party. What are the practical application of cotter joint. 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.
These joints are not suitable where the members are under rotation. 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. This is normally a factory applied buildup welding under a shielding gas. Sep 18, 2017 socket and spigot joint assembly and sectional views for more machine drawing videos. Tierod and pipe joint i turnbuckle ii flange pipe joint 4. Drafting front, side and top view of socket, spigot and cotter. Socket and spigot cotter joint the socket and spigot cotter joint is shown in fig 2. Rods may be of different cross sections like circular or square. Design of socket and spigot cotter joint linkedin slideshare. Design a socket and spigot cotter joint to connect two steel rods of equal diameter. When the cotter is hammered, the rods are drawn together and tightened.
Socket and spigot cotter joint solid works part design. Click the arrows to browse the renderings and cad files, or click the image to open it. Autocad mechanical practice drawings pdf free download. The standard fittings include flanges, couplings, elbows, tees, wyes, reducers, saddles, crosses and end caps.
The sliding rubber ring is installed using a soft soap lubricant. Diameter of spigotinside diameter of socket d diameter of spigot collar d 1 outer diameter of socket d 2 diameter of socket collar cthickness of socket collar t 1 thickness of spigot collar t thickness of cotter b mean width of cotter a distance of end of slot to the end of spigot p axial tensilecompressive force. Cotter is a wedge shaped piece of metal which actually connects two parts which are non rotating. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. Cotter and pin joints socket and spigot joint gib and cotter joint sleeve and cotter joint and knuckle joint. Pe pipe joining procedures 327 chapter 9 pe pipe joining procedures introduction an integral part of any pipe system is the method used to join the system components. A socket is formed by expanding the end of one rod in which the spigot end of the other rod is inserted. The following are some of the commonly used cotter joints. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Socket is the female part of the joint, it also has a rectangular slot for passing the cotter through it. Cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
The top countries of suppliers are india, china, from which the percentage of spigot and socket joints supply is 1%, 99% respectively. Chapter 4jwelded joints under shear or direct loads. 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. Spigot and socket jointcotter joint rods, having axial tensile or compressive forces are connected by cotter joints. Following are the three commonly used cotter joints to connect two rods by a cotter. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or. Pvc schedule 40 spigot x socket bushings complete plumbing source offers pvc schedule 40 pressure spigot x socket reducing bushings made by nibco, spears and charlotte in. Instructions the parts and assembly of the cotter joint is.
Cotter joint is also called as socket and spigot joint. 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. Socket and spigot cotter joint, sleeve and cotter joint, and gib and cotter joint. 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.
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. Each rod is subjected to an axial tensile force of 50 kn. Material of two rods and cotter is steel 30 c8 s yt 400nmm2, s yc 2 s yt and s sy 0. Mar 27, 2012 cotter and knuckle joints hareesha n g dept. 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. 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. Keys, cotter and unit 5 key, cotter and knuckle knuckle. A cotter is driven tightly through the slots in the rods which are kept slightly mis aligned. A cotter is driven tightly through the slots in the rods which are kept.
To highlight your renderings and models, we made the viewer even bigger. Modeling and analysis of cotter joint ijert journal. Spigot joint article about spigot joint by the free dictionary. Muff couplings, flanged couplings, flexible coupling, oldhams coupling and universal coupling parallel and tapered sunk keys hollow and flat saddle keys feather key and pin key. A cotter joint is a simple and compact connection and is easily assembled and disassembled. Cotter joints may be used in areas subject to corrosion during operation, resulting in difficulty in turning rusty bolts and nuts of threaded connections. 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. 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. Double shearing of cotter pin cotter joint modes of failure.
Shearing away of socket if dw spigot end cotter joint modes of failure. Socket and spigot cotter joint is used to connect circular rods. In this case one end of the first rod is enlarged in diameter to some. 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.
Cotter the taper of usually 1 in 24 is provided for following two taper side reasons. This cavity or slot is kept slightly out socket and spigot joint front view 32 3 r 50 o 24 3 o24 o30 o66 8 28 40 90 4 40 28 10 r a front view full in section left side view roda socket cotter collara collarb spigot rodb socket and spigot joint fig 4. Socket and spigot repair collars for the repair of leaking socket joints on cast and ductile iron pipe. The socket and the spigot are provided with a narrow rectangular slot. Download merged pdf 2nd mst all in one file click here.
The drawings of socket, spigot, and cotter are studied. Maharashtra state board of technical education autonomous. 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. Unit 5 key, cotter and knuckle knuckle joints joints structure 5. 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 collar. Spigot is formed on one of the rods and socket is formed on the other. Socket and spigot cotter joint and its design engineers. Cotter joint article about cotter joint by the free dictionary.
Pvc schedule 40 spigot x socket bushings pvc schedule 40. Inspection manual for precast concrete pipe and structures. 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. Design of cotter joint free download as powerpoint presentation. It is not difficult to see that to make the joint spigot is inserted into the socket. Socket and spigot joint part design, assembly and drawing of all parts with solidworks. The assembly consists of inserting the spigot end into the socket end and putting the cotter into their common slot. Assemble all the parts correctly and draw the following. A cotter joint is a temporary fastening and is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces without rotation. Spigot and socket joint definition and meaning collins. The assembly of socket and spigot joint was created as per the drawing specification. Project file to be submitted on the simple solids prism, pyramids and frustums of equilateral. Cotter joint in solidworks, sketch, 3d model and its assembly, only for education purpose here is an animation video for cotter joint assembly explod.
Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The factor of safety for rods, spigot end and socket end is assumed as 6 while for cotter. 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. 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. Click the likes count to see who has liked a model and meet engineers with similar interests. Cut section of socket and spigot joint 3272012 2 hareesha n g, dsce, blore78. November 7th, 2012 assem of socket and spigot cotter joint. Cotter joints use a transverse wedge with cylindrical or conical surfaces, and a longitudinal wedge. Proper engineering design of a system will take into consideration the type and effectiveness of the techniques used to join the piping components and.
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