design of cotter joint pdf

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Gib and Cotter Joint. Design of cotter joint.

Machine Design Lesson 9 Design Of Cotter 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.

. WHAT IS A COTTER JOINTS A cotter is a flag wedge shaped piece of steel. It is a temporary fastening. Design of Socket and Spigot Cotter Joint.

Let P Load carried by the rods d Diameter of the rods d1 Outside diameter of sleeve d2 Diameter of the enlarged end of rod t Thickness of cotter l Length of cotter b Width of cotter a Distance of the rod end from the beginning to the cotter hole. Elemental analysis at various loads. Design a cotter joint for fastening the piston rod to the cross head of the engine having.

It is not used to connect the shafts that are rotating or transmitting torque. Socket and Spigot Cotter Joint. In such a type of joint the piston rod is tapered in order to resist the thrust instead of being provided with a collar for the purpose.

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. In this article I am going to present a detailed explanation of the design procedure for Knuckle Joint and Cotter Joint. Axes of the rods to be joined should be collinear.

100 but may be as large as 1. Design an d draw a cotter joint to support a load varying from 30 N in compression to 30 KN in tension. Download Manufacturing Method Of Cotter Joint - Copy.

DESIGN PROCEDURE FOR COTTER JOINT The basic procedure to calculate the dimensions of the cotter joint consists of the following steps. In this article I am going to present a detailed explanation of the design procedure for Knuckle Joint and Cotter Joint. The material of the gibs cotter and rods is same for which the allowable safe stresses are.

The material used is carbo n steel fo r. The cotter in the cotter joints fails due to double shear. Q1 Design a cotter joint to connect two mild steel rods for a pull of 30 kN.

Design of cotter joint. 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. A cotter is a flat wedge shaped piece of rectangular cross-section and its width is tapered either on one side or both sides from one end to another for an easy adjustment.

Design of Gib and Cotter Joint for Strap End of a Connecting Rod. The cotter joint is withstanding the load applied during the working condition or not. Design a gib and cotter joint with two gibs to resist a safe tensile load of 50 kN.

Draw a neat sketch of the joint designed. Types of Cotter Joints. Cotter joint uses one or two cotters to connect two rods rigidly transmitting forces and motion with no rotation of the rods 3.

Design of Sleeve and Cotter Joint. Design of the cotter. Design of Sleeve and Cotter Joint.

Design of the spigot and the Cotter a Crushing strength of the cotter Fd1tσc b Axial stress across the slot of the rod σ 4F πd1 24d 1t STEP 3. The taper may be from 1 in 24 to 1 in 12. Meshing of cotter joint using ANSYS R15.

Types of Cotter JointThere are three types1 socket and Spigot Cotter Joint2 Sleeve Cotter Joint3 Gib. CAD Model of cotter joint assembly. Sleeve and Cotter Joint.

Fc 60 Nmm 2 f t 25 Nmm 2 and f s 20 Nmm 2. The cotter passes through slots made in two coaxial parts and thus prevent the relative motion between them. Design of Cotter Joint - Free download as Powerpoint Presentation ppt PDF File pdf Text File txt or view presentation slides online.

P So the methodology of the study includes 1. The sleeve and cotter joint is shown in Fig. COTTER JOINT A cotter joint is used to connect rigidly two co-axial rods or bars which are subjected to axial tensile or compressive forces.

Manufacturing method for cotter joint pdf - Manufacturing Method of Cotter Joint1 - Free download as Powerpoint Presentation ppt pptx PDF File pdf Text File txt or view. Joint between the piston rod and the crosshead of a steam engine. The taper may be very small like 1.

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 forces. Design of Spigot and Socket Cotter 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 collar d4 Diameter of socket collar c Thickness of socket collar b Mean width of cotter t Thickness of cotter l Length of. Design of rods For the rods under axial load Axial stress in the rods σ 4F πd2 STEP 2.

2Sleeve and cotter joints. 40 MPa in shear and 70 MPa in crushing. DESIGN OF COTTER JOINT 91 Introduction Cotter joint is used to connect two rods subjected to axial tensile or compressive loads.

Calculate the diameter of each rod by Calculate the thickness of the cotter by the t empirical relationship given in Eq. A cotter joint is used to connect the two shafts which are either subjected to tensile or compressive axial force. The maximum permissible stresses are 55 MPa in tension.

It is not suitable to connect rotating shafts which transmit torque. T031 d Calculate the diameter d 2 of the spigot on the basis of tensile stress. Q2 Design a knuckle joint to connect two mild steel bars under a tensile load of 25 kN.

Keys Cotter and 55 COTTER AND COTTER JOINT Knuckle Joints A cotter is a metallic strip of uniform thickness but tapers in width. 3Gib and cotter joints. TYPES OF COTTER JOINTS 1Socket and spigot cotter joint.

Design of cotter jointA cotter is a rectangular element. 1 Design of Cotter Joint to Connect Piston Rod and Cross head The cotter joint to connect piston rod and cross head is shown in Fig. CAD Model of cotter joint using CATIAV5R20.

Cotter and Knuckle Joints431469.

Gate Ese Lesson 9 Design Of Cotter Joint Offered By Unacademy

Design Of Cotter Joint Pdf Cotter Joint A Cotter Joint Is Used To Connect Rigidly Two Co Axial Rods Or Bars Which Are Subjected To Axial Tensile Or Course Hero