Types of cam and follower mechanism pdf download

The follower shown in figure 4 c is a flatfaced follower. Hexagonal hole eccentric collar mcgill add suffix add suffix add suffix add prefix ina skf iko thk add suffix uu remove suffix r add suffix a ntn add suffix add suffix smith add suffix s add suffix c add suffix b add suffix e. Because as per name knife follower has knife edge and knife edge has a surface contact with cam profile cam profile is a shape of cam. A cam follower, also known as a track follower, is a specialized type of roller or needle bearing designed to follow cam lobe profiles. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Cams are widely used as low cost control systems, such as clothes washers and dryers. Mechanical cam types and operation cams convert ordinary shaft rotation into a more complicated pattern of motion. A cam is a mechanical device used to transmit motion to a follower by direct contact. Vibrations of cam mechanisms and their consequences on the design. However, as the deformation of a connecting rod, crank etc. Design of cam and follower system using basic and synthetic. A common example of a cam follower is a keycutting machine that uses one key as a cam for cutting a copy of the key.

Publishers pdf, also known as version of record includes final page, issue and volume numbers. The cam and follower mechanism is widely used for operating the inlet and exhaust valves of internal combustion engines. From now we will term cam and follower mechanism as cam. Due to wear cam profile change with time and does not work correctly. In a cam follower pair, the cam normally rotates while the follower may translate or oscillate. In printing machinery, the mechanism of cam and follower helps the screen to be printed. Cam may be rotating or reciprocating while a follower may be rotating, reciprocating and oscillating. A cam and follower mechanism is a profiled shape mounted. Type of cams, type of followers, displacement, velocity and acceleration time curves for cam profiles. Vibrations of cam mechanisms eindhoven university of. Aug 10, 20 cam and follower power ponit presentation in this ppt we include topics are following. Mar 18, 20 introduction of cams and types of cam and followers.

Cam follower mechanism with simulation with catia the computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. In order to transmit motion, the driver and the follower may be connected by the following three types of links. Cam followers come in a vast array of different configurations, however the most defining characteristic is how the cam follower mounts to its mating part. A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming. Cam and follower mechanism and their types mechanicalmaster. The paper deals with a configuration of a cam mechanism with a fla t follower that is pressed to the profile of a. Types of the cam follower types and features cam follower with grease nipple model cfab speci. This article proposes a cam mechanism with a translating follower that has dual concave faces, and also demonstrates how to design such a mechanism. This video explains the concept of cam and follower mechanism used in an engine, with the help of a live example that shall prove to be helpful for. Cam and follower definition, types, nomenclature of cam advance cam operated hammer mechanical project types of cam and followersbasic of theory of machine. Operationally, it is categorized as a nonconformal contact where the imposed load acting on a relatively small contact area causes the pressure across the lubricant film to drastically increase to the extent that the elastic deformation in the contacting surfaces becomes significant. Therefore, lubrication and mounting from both directions is possible.

In that case, the mechanism is dependent on the fluid pressure. The rise is the motion of the follower away from the cam center, dwell is the. Introduction of cams and types of cam and followers. The cam converts rotary motion of one element into reciprocating linear motion or into oscillatory motion. The cam accepts an input motion rotary motion or linear motion and imparts a resultant motion linear motion or rotary motion to a follower.

Various types are lined up in cam follower series, including the caged type, full complement type, shield type, sealed type, type with crowned outer ring, type. At present, there are still increasing demands on the performance parameters of machinery equipment as well as cam mechanisms that belong. Why the interest in the dynamics of cam mechanisms. Cam followers 3 cam followers cam followers are available in two types. Cams come in a variety of shapes and sizes the most common types from left to right. The follower mechanism includes a bucket with a cylindrical inner surface and a cylindrical outer surface, and a yoke positioned at least partially within the bucket, the yoke including a bottom wall and two opposed sidewalls depending upwardly therefrom, each sidewall defining a shaft aperture. A flatfaced follower consists of a follower that is formed with a large, flat surface available to contact the cam. Cam and follower power ponit presentation in this ppt we include topics are following.

This is a simple mechanism of cam follower that is possible using 3d constraints in ironcad. Disc cam with reciprocating follower having knife edge. Feb 03, 2016 a cam is a rotating or sliding piece in a mechanical linkage that drives a mating component known as a follower. Explain what a cam is, how it is used, and the typical types of cams identify force closed and form closed followers and explain the benefits and limitations of each describe the primary types of cam motion programs introduction to cam design source. A cam follower forms higher pair as they have point contact at the junction. Cam and follower mechanism types and functions mechtics. A follower runs over the complex shape of the surface and generates a corresponding translation or rotation. Cam follower mechanism plays a significant role as it utilized to drive a minute machine component seamlessly. Learn fundamental concepts and terminology learn how to. This paper presents the method and the results of numerical analysis of the radial cam, with translating follower on the worksheet of mathcad.

It is the simplest form,this type of follower is very rarely used. A follower mechanism movable along an axis within a bore including an alignment groove. Cam follower are classified into two main types stud types and yolk types. The use of a cam and follower mechanism is prevalent in industrial machines. The cam is the driver member and the follower is the driven member. Consequently, this type of follower is used when quick motions are required. Cam and follower mechanism in engine theory of machines. Users may download and print one copy of any publication from the.

The transformation of one of the simple motions, such as rotation, into any other motions is often conveniently accomplished by means of a cam mechanism a cam mechanism usually consists of two moving elements, the cam and the follower, mounted on a fixed frame. Positivedrive cam mechanisms with a translating follower. Cam follower mechanism 3d cad model library grabcad. Example of cam action concept and definition of cam. Pdf development of ball point type follower with single ball. The general kinematic pair of a cam mechanism intechopen. Request pdf positivedrive cam mechanisms with a translating follower having dual concave faces this article proposes a cam mechanism with a translating follower that has dual concave faces. Ball point type follower, single groove cam, cam and follower, single groove cam and ball. Pdf computer aided kinematic and dynamic analysis of cam and. From a functional viewpoint, a cam and follower arrangement is very similar to the linkages. Jan 17, 2014 this video explains the concept of cam and follower mechanism used in an engine, with the help of a live example that shall prove to be helpful for engineering students. The objective of a cam or eccentric is to give a reciprocating motion of a specified character to a part of a mechanism, called follower. A1916 a hexagonal socket is provided on both stud ends, and a grease nipple for greasing is tted. Cam mechanisms are widely used because with them, different types of motion can be possible.

This mechanism is very important in modern day engineering to incorporate a system with controlled movement. Follower driven in a cam follower pair, the cam normally rotates while the follower may translate or oscillate. The driver is called the cam and the driven member is called the follower. Publishers pdf, also known as version of record includes final page, issue. A cam or eccentric when combined with a follower, forms a mechanism which is technically called cam follower or eccentric follower. Quite impressive and took me just 5 minutes to create the constraints and save the mechanism as an avi. Cams can provide unusual and irregular motions that may be impossible with the other types of mechanisms. Norton, design of machinery introduction to cam design. So due to the sharp edge produces high contact stresses and wears rapidly. The different types of camfollower mechanisms are described below.

Jul 25, 2009 this is cam and roller follower, designed by me. Research article cam follower mechanism simulation. Cam arrangements can be found in power generation, wastewater treatment, recreation, automation, and metal processing sectors, among many others. In the cam follower with seals, a special thrust washer is employed for the sliding surface inside the bearing to improve heatseizure resistance. They use mathcad for displacement, velocity and acceleration calculation of the follower. Application of cam and follower types of cams types of cam followers concept and definition.

On the runningin behavior of camfollower mechanism. Then created a second avi by modifying the time effect to be eased in and eased out in terms of cam motion. In hydraulic systems, the main mechanism is cam and follower mechanism. Coding for other cam follower and yoke roller types optional features seals cylindrical o. The cam and follower mechanism are widely used in automobile industry. The visualization of the cam and follower and the simulation of working process. Camfollower mechanism 3d cad model library grabcad. A camfollower forms higher pair as they have point contact at the junction. A cam is a rotating machine element which gives reciprocating or oscillating motion to another element known as follower. A cam is a mechanical member which impart desired motion to the follower by direct contact. What are the applications of different types of cam followers. This type of follower can be used with a steep cam motion and does not jam. Design of cam and follower system using basic and synthetic curves.

A rigid link is one which does not undergo any deformation while transmitting motion. However, the manufacturing of cams is expensive and the wear effect due to the. A according to type of shape 1 radial or disc cam 2 cylinrical cam 3 translation or wedge cam 4 conjugate cam 5 globoidal cam 6 spherical cam types of cams 2. A once common, but now outdated, application of this type of cam was. Apr 01, 2018 a cam is a mechanical member which impart desired motion to the follower by direct contact. We can classify cam mechanisms by the modes of inputoutput motion, the. Cam followers are characterized based on their relation to their counterparts. Users may download and print one copy of any publication from the public portal. Automated types of machinery, cam and follower are used in different parts which are automated in motion.