Design of spigot and socket cotter joint pdf expected

Design a cotter joint subjected to a tensile load of 35 kn and a. Socket and spigot cotter joint autodesk inventor part. Slots are provided in the spigot and socket ends to accommodate the cotter. The cotter is usually made of mild steel or wrought iron. Ppt cotter joint powerpoint presentation free to view. Mechanical design of machine elements and machines. See all design to learn to design and assemble the parts in diff ways and methods. Design a socket and spigot joint to resist a tensile load of 28 kn. Winner of the standing ovation award for best powerpoint templates from presentations magazine. 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. Drafting front, side and top view of socket, spigot and cotter. 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. 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.

Apr 29, 2020 chapter 7 cotter and knuckle joints machine design, mechanical engineering mechanical engineering notes edurev is made by best teachers of mechanical engineering. Shearing away of socket if dw of spigot end s h e a r f a i l u r e. The factor of safety for rods, spigot end and socket. The assembly of socket and spigot joint was created as per the drawing specification. 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. Permissible shear stress for the cotter material, and. Material of two rods and cotter is steel 30 c8 s yt 400nmm2, s yc 2 s yt and s sy 0. Design of various types of riveted joints under different static loading. Their performance can be predicted more accurately. Each rod is subjected to an axial tensile force of 50 kn. It can be read and understand by the other readers. The socket and spigot cotter joint is shown in fig 2.

Appropriate slots are cut in the sleeve and in the cylindrical rods. Sleeve and cotter joint, socket and spigot joint and. Socket and spigot cotter joint solid edge st v9 part. Figure 315, page 102, bhandari socket cotter spigot front view top view side. The drawings of socket, spigot, and cotter are studied. Design of underground structures under seismic conditions. Design of socket and spigot cotter joint the socket and spigot cotter joint is. The socket and the spigot are provided with a narrow rectangular slot. Ratios of ground motion c at depth to motion at ground surface power et al. 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. The 3d models of socket and spigot joint parts socket, spigot, cotter are created using autocadcatia. Unit v keys, cotters and knuckle joints design of keys stresses in keys cotter joints spigot and socket, sleeve and cotter, jib and cotter joints knuckle joints. 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.

Design of cotter joint bending strength of materials. Socket and spigot joint part design, assembly and drawing of all parts with solidworks. This ensures tightness of the joint in operating condition and prevents loosening of the parts socket and spigot cotter joint notation used. Design a socket and spigot cotter joint to connect two steel rods of equal diameter. 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. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. Knuckle joint is yet another to join rods to carry axial force. Cotter joint is used to connect two rods or components which are subjected to tension or compression.

Stressstrain diagram in designing various parts of a machine, it is necessary to. Cotter joints can be quickly assembled as well as disassembled. 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. Socket and spigot cotter joint and its design engineers. It includes the various applications of the joints and also the comparison of the joints. Unit vi shafts design of solid and hollow shafts for strength and rigidity design of shafts for combined bending and axial loads. The end of the bar has a hole in it and it is called a lug.

This document is highly rated by mechanical engineering students and has been viewed 1586 times. 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. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Sleeve and cotter joint, socket and spigot joint and knuckle joint drawn by r. Joint between piston rod and crosshead of steam engine 2. Sleeve cotter joint pdf the working of the cotter andsleeve and cotter and gib are shown below.

Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. 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. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. Design of socket and spigot cotter joint linkedin slideshare. The dimensions for a socket and spigot cotter joint may be obtained by. Machine design mechanical engineering questions and. In a socket and spigot cotter joints, one end of the rods is provided with a. Design and draw a neat sketch of spigot rod for the cotter joint.

Cotter joint these types of joints are used to connect the end of a rod or bar to a shaft. 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. Socket and spigot cotter joint is used to connect circular rods. Designing and building furniture you have to consider a lot of different. Spigot and socket joint cotter joint rods, having axial tensile or compressive forces are connected by cotter joints. The socket and spigot cotter joint is shown in fig. Following are the three commonly used cotter joints to connect two rods by a cotter. In a socket and spigot cotter joint, one end of the rods say a is provided with a socket. The area which resists this action is the projected area of the hole or rivet on. The end of one rod is forged in the shape of a socket and the other in the shape of a spigot refer fig 21. Knuckle joint design procedure problems and questions assembly drawing of knuckle joint knuckle joint assembly drawing sectional front top view mechanical drafting md machine drawing sleeve and cotter joint socket spigot knuckle joint drawing you solved 2 shear loading of bolt given the knuckle joint machine drawing btau305 sunil. Chapter 7 cotter and knuckle joints machine design. Socket and spigot cotter joint the socket and spigot cotter joint is shown in fig.

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. Modeling and analysis of cotter joint ijert journal. Spigot and socket cotter joint this type of joint is used for round rods. Design a helical compression spring for a maximum load of n for a deflection of 25. All the parts of the joint are made from same material with following allowable stresses. The effect of stress concentration due to the slot is neglected. 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. The end of the rod which goes into a socket is also called spigot. Crushing of cotter pin against rod end cotter joint modes of failure. What are the practical application of cotter joint. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The strap end of a connecting rod of steam engine is joined by.