This is an excel spreadsheet that will be your own sleeve length calculator. A knuckle joint is used for the application of the tie rod joint of jib crane or tension link in the structure of the bridge. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. 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. Appropriate slots are cut in the sleeve and in the cylindrical rods. Design of gib and cotter joint for strap end of a connecting rod by. In this article, i am going to present a detailed explanation of the design procedure for knuckle joint and cotter joint. The rods are forged and increased in diameter to some. K b bolt spring rate lbin k c joint spring rate lbin taking the first derivative of the basic equation t kdf yields the following relationship. The design of these types of joints are discussed, in detail, in the following pages. The sleeve and cotter joint is used to connect two round rods or sometimes to connect two pipestubes.
Unit 5 key, cotter and knuckle joints dpg polytechnic. The knuckle joint is a type of joint which is used in steering system in between the steering rod and pinion of the steering gear, as the line of the action axis of both the mechanical parts are intersecting and lies in different planes, so it is. Types of cotter joint there are three types 1 socket and spigot cotter joint 2 sleeve cotter joint. Knuckle joint is yet another to join rods to carry axial force. All parts of the joint are made of the same material with the following allowable stresses. More by pradheep spinnerdefault joint sleeve cotter. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. Design of machine members institute of aeronautical. Design a gib and cotter joint with two gibs to resist a safe tensile load of 50 kn. Friction will help transmit torque and provide resistance to axial motion of the hub relative to the shaft. Joint design joint design loads can be applied to bolted joints in a number of different ways, each of which produces unique effects on the joint. Permissible shear stress for the cotter material, and. Select suitable material, fos and draw an informative sketch. Assembly of sleeve and cotter joint, engineering graphics.
Sleeve and cotter joint 3d cad model library grabcad. 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 des. You can take the help of the following standard chart for basic dimensions of the. Design of gib and cotter joint for strap end of a connecting rod. These joints are not suitable where the members are under rotation.
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. In order to design the cotter joint and find out the dimensions, failures in different parts and at different crosssections are considered. Engineering fundamentals of threaded fastener design and analysis. Design a sleeve and cotter joint to resist a tensile load of 60 k. In designing a knuckle joint we have to determine following dimensions. Sleeve shaft coupling design equations and calculator pinned sleeve shaft coupling design equations and calculator shaft to shaft axial alignment design tolerances tables design for shafttoshaft alignment is the positioning of the rotational centers of two or more shafts so that the shafts are coaxial when the machine is in operation. Design an d draw a cotter joint to support a load varying from 30 n in compression to 30 kn in tension. Assemble the parts correctly and then draw the following views to a scale 1. The first tab is a sample sleeve length calculator. Some of the various load types include tensile, shear and bending. This type of key uses multiple keyways in the hub to transmit high power. Based on each type of failure, one strength equation is written and these equation is used to determine the various dimensions of the cotter joint.
Dimensions of a sleeve and cotter joint in terms of diameter of the rods d fig 4. See all design to learn to design and assemble the parts in diff ways. To create the knuckle joint assembly as a 3d solid model using catia v5 software. The following are some of the commonly used cotter joints. The irregularity in stress distribution caused by abrupt changes of form is called stress concentration. In this type of joint, a sleeve or muff is used over the two rods and then two cotters one on each rod end are inserted in the holes provided for them in the sleeve and rods. Calculation of max,min and average pressure in a plate clutch by. Design of cotter joint a cotter is a rectangular element.
Design procedure for sleeve and cotter jointsubscribe you tube channelprime courselink. The cotters are assembled into these slots the following sections explain the sleeve and cotter joint in detail. Design tapered keys designed to be inserted from the end of the shaft after the hub is in position. Types of cotter jointthere are three types1 socket and spigot cotter joint2 sleeve cotter. These effects result from the way the joint is loaded, as well as how the joint responds to the load. A cotter joint is temporary joint and used to connect two coaxial rods or bars which are subjected to axial tensile and or compressive forces. Understand jib and cotter joint and design procedure. The slope of the forceangle of turn relationship can be represented by the following equation. Design procedure of cotter joint, socket and spigot joint.
Sleeve and cotter joint, socket and spigot joint and knuckle joint. It consist of 1 spigot 2 socket cotter application. Instructions the parts and assembly of the cotter joint is. The design of these types of joints are discussed, in detail. It contains a sleeve and two wedge shaped tapered cotters. Calculation of deflection of a cantilevered hook using castiglianos theorem. Keyseating can be done on a variety of different machines including a broach, a keyseater, wirecut edm, a shaper or vertical slotting machine, either a vertical or horizontal mill, or with a chisel and file. Explain the design process for spigot and socket cotter joint with neat sketch. Initial analysis of shear pin design p15571 shear calculations from shigleys mechanical engineering design, 9th ed by r.
Design of various types of riveted joints under different static loading. Design procedure for sleeve and cotter jointsubscribe you tube channelprime courselink s. Design of socket and spigot cotter joint slideshare. Me 6503 design of machine elements miet engineering. Involute gear design equations and calculator equations and engineering design calculator to determine critical design dimensions and features for an involute gear lewis factor equation lewis factor equation is derived by treating the tooth as a simple cantilever and with tooth contact occurring at the tip as shown above. Mechanics and machine design, equations and calculators. The material used is carbo n steel fo r which the fo llow ing a llowable s tresses. Guide to design criteria for bolted and riveted joints second. They are subjected to tensile load of 40 kn i select suitable material, fos and design stresses with. Use it for reference when using the sleeve length calculator. Cotter joints are used to connect two rods, subjected to tensile or compressive forces along their axes.
In designing a sleeve coupling outer diameter of the sleeve is. A colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels. Introduction sleeve and cotter joint is a type of joint. Use this to jill wolcott knits sleeve length calculator to calculate sleeve length adjustments. Design of cotter joint problemsdesign of socket and. If the allowable stresses in tension, compression and shear for the socket, rod and cotter be t. Muttagi, slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Cotter joint with sleeve 3d cad model library grabcad. As a common practice for plate thickness greater than. Budynas and j nisbett page reference 452455, table a15 page 1030 the first method is optimal for easy replacement, because a new standard 116 dowel can be inserted into the sleeve after a failure. The effect of stress concentration due to the slot is neglected. Cotter joint is widely used to connect the piston rod and crosshead of a steam engine, as a joint between the piston rod and the tailor pump rod, foundation bolt etc. Specification for metallic expansion joint project standards and specifications table of content scope 2 references 2 units 2 design requirements 3 general 3 material 3 bellow design 3 bellows design criteria 4 mechanical design 4 external cover 5 internal sleeves 5 element identification and dimensions 5 welding and nondestructive. Keys, cotter and unit 5 key, cotter and knuckle knuckle.
Cotter joint part designing and assembly in creo parametric 2. It is used to connect two coaxial rods which are subjected to either axial tensile or axial compressive load. Purpose the purpose of the master thesis is to investigate how to acquire measurement data of the vertical articulation angles on the frontwheel driveshafts of a volvo car by using physical measurement equipment. The taper will impart a compressive contact pressure between the hub and the shaft. Gupta simpo pdf merge and split unregistered version. Keyseating is the creation of the slots in the mating items. Design of cotter jointa cotter is a rectangular element. Explain the design procedures of various shaft couplings.
Ability to design shafts for various types of loading. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods it contains a sleeve and two wedge shaped tapered cotters appropriate slots are cut in the sleeve and in the cylindrical rods the cotters are assembled in 7. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check. A mechanical joint is a section of a machine which is used to connect one or more mechanical part to another. The rod end may be enlarged to compensate for the slot. Cotter and knuckle joints understanding engineers gallery. Two slots are made in the sleeve, each coinciding with the slot in the rod end. Hope you like this video please subscribe my channel for more video like thissubscribe to my channel. Following are the three commonly used cotter joints to connect two rods by a cotter.
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