Design of sleeve and cotter joint pdf

Nov 07, 2009 design procedure for the spigot and cotter joint to understand the design steps let take a question and solve it step by step. Most mechanical joints are designed to allow relative movement of these mechanical parts of the machine in one degree of freedom, and restrict. Depending on the type of application, the shapes of the parts of universal joint may vary. Mar 05, 2018 the career today youtube channel provide videos of various mechanical engineering courses, 6th to 12th class subjects and latest job information, career guide, exam strategies etc. 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. Design of cotter joint to connect piston rod and crosshead. In order to design the cotter joint and find out the dimensions, failures in different parts and at different crosssections are considered. 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. 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. This joint has better strength compared to the socket and spigot cotter joint. What are the practical application of cotter joint.

Aug 31, 2014 a gib of cotter joint b sleeve and cotter joint c spigot socket cotter joint d knuckle joint e universal coupling. 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. Dimensioning of keys for unit production nominal dimensions may be given fig. Higher caps with more ease are more difficult to sew. Design a cotter joint subjected to a tensile load of 35 kn and a. Autocad mechanical practice drawings pdf free download autocad exercise book.

Introduction sleeve and cotter joint is a type of joint. 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. A colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels. Sleeve and cotter joint, socket and spigot joint and knuckle joint. Socket and spigot cotter joint the socket and spigot cotter joint is shown in fig. An introduction to the analysis and design of bolted. If the sleeve cap height is increased above the standard fitted sleeve, the cap will extend above the normal shoulder line. Chapter 7 cotter and knuckle joints machine design, mechanical engineering mechanical engineering notes edurev notes for mechanical engineering is made by best teachers who have written some of the best books of mechanical engineering.

The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Design of cotter joint tap valve bending free 30day. It is also known as universal coupling, ujoint, cardan joint and hookes joint. Design procedure for sleeve and cotter joint the career.

Socket and spigot cotter joint sleeve and cotter joint. 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. Sleeve has two slots where two cotters are placed in different slots and going through different rods. Unit 3 deals with the design of threaded fasteners, design of bolted joints, knuckle joints, cotter joints, design of welded and riveted joints for structures and theory of bonded joints. Mechanical joints may be temporary or permanent, most types are designed to be disassembled.

A mechanical joint is a section of a machine which is used to connect one or more mechanical part to another. Appropriate slots are cut in the sleeve and in the cylindrical rods. Some of the parts are a bit more challenging than others, but none of them are meant to be difficult. 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. Cotter joint has mainly three components spigot, socket and cotter as shown in figure 9. Design a socket and spigot cotter joint to connect two steel rods of equal diameter. Autocad mechanical practice drawings pdf free download. To create the knuckle joint assembly as a 3d solid model using catia v5 software. Sleeve cotter joint pdf the working of the cotterandsleeve and cotterand gib are shown below. It contains a sleeve and two wedge shaped tapered cotters. Nov 29, 20 dimensioning of keys for unit production nominal dimensions may be given fig.

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. 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. Basically, cotter joint is used in which there is no angular displacement between two rod o the other hand the knuckle joint is used in which there is necessity of angular displacement for e. Jun 03, 2017 a gib of cotter joint b sleeve and cotter joint c spigot socket cotter joint d knuckle joint e universal coupling. Design of gib and cotter joint for strap end of a connecting rod. Here instead of a socket arrangement, a sleeve is used.

The cotter is usually made of mild steel or wrought iron. Dimensions can be determined using these empirical relations and the strength equations can be then used as a check. 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.

Instructions the parts and assembly of the cotter joint is. Universal joint is a positive mechanical joint used for connecting shafts, whose axes are inclined at an angle to each other. 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. Design procedure of cotter joint, socket and spigot joint. A backing ring is used inside the pipe joint when making a a butt weld b fillet weld c sleeve weld d socket weld e tube weld. Jul 03, 2015 sleeve and cotter joint, socket and spigot joint and knuckle joint. 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. The factor of safety for rods, spigot end and socket end is assumed as 6 while for cotter. 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. Cotter joint a cotter joint is used to connect rigidly two coaxial rods or bars which are subjected to axial tensile or compressive forces. Sometimes, a sleeve and cotter joint as shown in fig. Sleeve and cotter joint is a type of joint used to typically connect two similar coaxial cylindrical rods. 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.

Introduction to sleeves wild ginger fashion design and. Chapter 7 cotter and knuckle joints machine design. Design an d draw a cotter joint to support a load varying from 30 n in compression to 30 kn in tension. Design of gib and cotter joint for strap end of a connecting. Sleeve cotter joint pdf the working of the cotter and sleeve and cotter and gib are shown below. Sleeve and cotter joint and its design engineers gallery. Some standard proportions for dimensions of the knuckle joint are taken as. An introduction to the analysis and design of bolted connections. Mar 01, 2016 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. The shear plane in case of bolts should a be across threaded. The material used is carbo n steel fo r which the fo llow ing a llowable s tresses. The career today youtube channel provide videos of various mechanical engineering courses, 6th to 12th class subjects and latest job information, career guide, exam strategies etc. They require ease stitching to mold the cap to introduction to sleeves sleeves are both functional and design elements of a garment.

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