Sk 84688 34inch drive 178inch ball joint impact socket. V semester mechanical engineering machine design i syllabus. Design of cotter joint cotter joint is also called as socket and spigot joint. Spigot, the male end of a pipe designed to be connected with a spigot and socket joint.
Design of socket and spigot joint free download as powerpoint presentation. A cotter joint for connecting two rods along which tension or compression act is made with ends of the rod especially made. 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 pipes are joined and sealed using either a rolling rubber or a sliding rubber ring respectively. Each rod is subjected to an axial tensile force of 50 kn. Hey, i author of the blog thank you for reading my blog and making it popular, its your contribution that this blog is being visited by a number of people from all around the world. Spigot joint article about spigot joint by the free dictionary. They are used on virtually every automobile made and work similarly to the ball and socket design of the human hip 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 socket cotter spigot. Rastrasant tukdoji maharaj nagpur university, nagpur faculty. The 3d models of socket and spigot joint parts socket, spigot, cotter are created using autocadcatia. The variou s proportions of the joint as per empirical relations are. The dimensions for a socket and spigot cotter joint may be obtained by. Design of gib and cotter joint for strap end of a connecting rod. The improved black coating has more rust preventative compound than black oxide coatings. Sleeve and cotter joint, socket and spigot joint and. Tv station business plan b ed solved assignments aiou. Chapter 4e design of rivets for eccentrically loaded joints. Material of two rods and cotter is steel 30 c8 s yt 400nmm2, s yc 2 s yt and s sy 0. Determine the plate thickness t for infinite life, if the notch sensitivity factor is 0. In our syllabus the assembly and disassembly of cotter joints for circular and square rod are there. Spigot and socket jointcotter joint rods, having axial tensile or compressive forces are connected by cotter joints.
Design of solid and hollow shafts based on strength, rigidity and critical. The sliding rubber ring is installed using a soft soap lubricant. A steel plate subjected to a force of 10 kn and fixed to another plate by means of 8 three identical bolts is shown in figure. Design a cotter joint of socket and spigot type, which may be subjected to a pill or push of 30 kn. The drawings of socket, spigot, and cotter are studied. Me 308 s6 mechanical engineering, ktu presented by, vineeth. Slot weld size design shall be based on shear in the plane of the faying surfaces. 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 the rod may fail in. 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. Mechanical joints may be temporary or permanent, most types are designed to be disassembled.
There are 371 suppliers who sells spigot and socket joints on, mainly located in asia. Crushing failure crushing failure mode of eye through pin the projected area is considered. 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. 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. Joint between piston rod and crosshead of steam engine 2. Cotter joint 1 cotter joint fig 01 assembled cottered joint 2 cotter joint modes of failure tension failure fig 02 steel spigot breaking in tension outside the joint 3 tension failure cotter joint modes of failure 4 tension failure cotter joint modes of failure fig 07 socket breaking in tension across slot 5 cotter joint modes of failure.
Most mechanical joints are designed to allow relative movement of these mechanical parts of the machine in one degree of freedom, and restrict movement in one or more others. A cotter joint for connecting two rods along which tension. Spigot inc, an international digital marketing company. In a socket and spigot cotter joint, one end of the rods say a is provided with a socket. 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. Restrained socket joints 9 restrained socket joints 9. Rods may be of different cross sections like circular or square. Pipe product catalog table of contents county materials. Their performance can be predicted more accurately. 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. The expected reliability is 90% and the factor of safety is 2. Riveted and welded joint types of riveted joint, lap joint, butt joint, caulking and fullering, failure of riveted joint, strength of riveted joint, efficiency of riveted. The design of the cotter joint is based on the basic direct stress.
Sep 18, 2017 socket and spigot joint assembly and sectional views for more machine drawing videos. Types of key and design, design of socket spigot cotter joint, sleeve and cotter joint, gib and cotter joint, design of. Design of socket and spigot joint bending mechanics. Design a spigot and socket type cotter joint to transmit reversible load of 50 kn. Practicing all machine design mechanical engineering questions and answers in online helps you to improve your ability to attend the real time gate, ies and bsnl jto exams.
Research article process design of a ball joint, considering caulking and pullout strength bongsusinandkwonheelee departmentofmechanicalengineering,donga. Socket and spigot cotter joint the socket and spigot cotter joint is shown in fig. 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. Design procedure of cotter joint, socket and spigot joint. The bearing stud is tapered and threaded, and fits into a tapered hole in the steering knuckle. What are the practical application of cotter joint. Spigot and socket joint definition and meaning collins.
In a socket and spigot cotter joints, one end of the rods is provided with a. Now this kind of cotter joint is known as a socket and spigot type cotter joint. The factor of safety for rods, spigot end and socket. If the allowable stresses in tension, compression and shear for the socket, rod and cotter. Knuckle joint, cotter joint and turn buckle the article contains the questions and answers related to the design of joints including knuckle joint, turn buckle and cotter joint. This video explains design procedure of socket and spigot type of the cotter joint. Design a socket and spigot cotter joint to connect two steel rods of equal diameter. Design a helical compression spring for a maximum load of n for a deflection of 25.
Socket and spigot cotter joint and its design engineers. Rcp gasket joint details 12 to 36 c wall and b wall 3. Ppt cotter joint powerpoint presentation free to view. All the parts of the joint are made from same material with following allowable stresses. Design of socket and spigot cotter joint the socket and spigot cotter joint is. Socket and spigot cotter joint is used to connect circular rods. Lower fos because a no stress concentration factor in the shear b cost of cotter is compared with socket and spigot end c if at all failure is going to occur in the cotter, cotter should be failed rather than socket and spigot 12516 design procedure of cotter joint.
The computeraided design cad files and all associated content posted to this. Spigot and socket joint cotter joint rods, having axial tensile or compressive forces are connected by cotter joints. Symbols for single line piping arrangement drawings. In general, details should minimize constraint against ductile behavior, avoid undue concentration of welding, and afford ample access for depositing the weld metal. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. Types of cotter joints, design of socket and spigot joint, design of sleeve and cotter joint, design of jib and cotter joint, design procedure of knuckle joint. The sk hand tools 34inch drive 178inch ball joint impact socket uses a suregrip hex design to drive the side of the hex instead of the corner, providing more strength while preventing fastener rounding. There are a three types of cotter joint 1 socket and spigot cotter joint 2 sleeve and cotter joint 3 gib and cotter joint. The effect of stress concentration due to the slot is neglected.
Consideration in design, material properties and their uses in design, basic principles of machine design, modes of failures, i. A wide variety of spigot and socket joints options are available to you, such as plastic. 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. Us types of gear pdf, gib and cotter joint, socket and spigot joint, classification of brakes, types of fire in hindi, application of. Use a propane burner with a large burner head to heat the cement mortar inside the spigot end. Failure of cotter joint may causes accident, so it is necessary to design cotter joint to. Permissible shear stress for the cotter material, and. Gib and cotter joint design procedure for the spigot and cotter joint to understand the design steps let take a.
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. Machine design mechanical engineering questions and. Sleeve cotter joint pdf the working of the cotter andsleeve and cotter and gib are shown below. How to design login and register form in java netbeans. Piping coordination system butt welded, socket welded and. The socket and spigot cotter joint is shown in fig. The molten lead solidifies quickly and makes the joint water tight. The socket and spigot cotter joint is shown in fig 2. 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. Knuckle joint only sectional front view is in our syllabus. It is required to design a cotter joint to connect two steel rods of equal diameter. Socket and spigot cotter joints in a socket and spigot cotter joint, one end of the rods is provided with a socket type of end as shown in figure and the other end of the rod is inserted into a socket. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The ends are normally made by forging and rectangular hole is also created.
Jul 17, 2016 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. A ball joint consists of a bearing stud and socket enclosed in a casing. Design of gib and cotter joint for strap end of a connecting. At4 spigot, nato reporting name for 9k111 fagot, a russian antitank missile. We shall learn that there are three cotter joints for connecting the circular rods. Research article process design of a ball joint, considering. A spigot or tap or faucet is a valve for controlling the release of a gas or liquid. A cotter joint is used to connect one end of a rod is provided with a socket type of end and the other end of the rod is inserted to a socket. Socket and spigot repair collars for the repair of leaking socket joints on cast and ductile iron pipe. 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. 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. Introduction to mechanical engineering design, design methods, aesthetic and ergonomics consideration in design, material properties and their uses in design, basic principles of machine design, modes of failures, i. It includes the various applications of the joints and also the comparison of the joints. 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 of cotter joint bending strength of materials. Piping coordination system butt welded, socket welded and threaded symbols for a single line piping arrangement drawings. 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. Cutting steel water pipe pe coated, cement mortar lined steel water pipe a. The cotter is usually made of mild steel or wrought iron. Spigot is formed on one of the rods and socket is formed on the other. Dear student, let us begin lectures on machine design part i. The assembly of socket and spigot joint was created as per the drawing specification.
Design a socket and spigot joint to resist a tensile load of 28 kn. Annexure b rashtrasant tukdoji maharaj nagpur university. Spigot and socket joint, joints in water supply pipes. One rod end carries a spigot the end to be inserted while the other rod end is finished in form of a socket. All the parts of the joint are made of the same material with the permissible stresses, 55 mpa in tension, 70 mpa compression and 40 mpa in shear. Design of various types of riveted joints under different static loading.
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