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Definition Of Cam And Follower Pdf

definition of cam and follower pdf

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In mechanical engineering, engineers often use a higher pair links mechanism that is renowned as Cam and Follower Mechanism.

Cam follower

A cam follower , also known as a track follower , [1] is a specialized type of roller or needle bearing designed to follow cam lobe profiles. 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; stud style cam followers use a stud while the yoke style has a hole through the middle. The modern stud type follower was invented and patented in by Thomas L. Robinson of the McGill Manufacturing Company. The new cam followers were easier to use because the stud was already included and they could also handle higher loads.


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Have you ever looked closely at a simple mechanical toy? If you have the opportunity to study one closely you will see that it is made up of mechanisms, usually including CAMS. Can you name any mechanical devices that use cams as part of its movement? A CAM changes the input motion, which is usually rotary motion a rotating motion , to a reciprocating motion of the follower. Diagrams one to six show a rotating cam pushing a follower up and then allowing it to slowly fall back down.

definition of cam and follower pdf

INTRODUCTION. Cam-follower systems are frequently used in all kinds of machines. A cam design begins with a definition of the required cam func- tions and.

INTRODUCTION of CAMS and Types of CAM and Followers

A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion. The cam can be a simple tooth, as is used to deliver pulses of power to a steam hammer , for example, or an eccentric disc or other shape that produces a smooth reciprocating back and forth motion in the follower , which is a lever making contact with the cam. A cam timer is similar, and were widely used for electric machine control an electromechanical timer in a washing machine being a common example before the advent of inexpensive electronics, microcontrollers , integrated circuits , programmable logic controllers and digital control. The cam can be seen as a device that converts rotational motion to reciprocating or sometimes oscillating motion.

When the two links are connected either along a line or at a point, it is called a higher pair. Two such higher pair mechanisms will be included in a cam-follower system. A higher pair mechanism is known as cam and follower. For the smooth functioning of a cam-follower mechanism, it is imperative that the follower should move smoothly without requiring too much input power, which means the follower should not jam, during its movement.

Cams Study Notes for Mechanical Engineering

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  1. Fodrilachar

    31.03.2021 at 20:15

    Cam and Follower: Definition, Types, Working Principle, and Applications [PDF] · A cam is a rotating element that gives oscillating or reciprocating motion to the.

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  4. Sofielynn45

    03.04.2021 at 14:39

    A cam is a rotating machine element which gives reciprocating or oscillating motion to another element known as follower.

  5. Patrick K.

    09.04.2021 at 04:21

    Cam: A cam is a mechanical member used to impart desired motion displacement to a follower by direct contact either point or line contact.

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