Cam and Follower Systems. Animations from K. J. Waldron and G. L. Kinzel, Kinematics, Dynamics and Design of Machinery, John Wiley, Cams are used for essentially the same purpose as linkages, that is, generation of irregular motion. Cams have an advantage over linkages because cams can. Terms used in Radial cams. 5. Motion of the Follower. 6. Displacement, Velocity and. Acceleration Diagrams when the Follower Moves with Uniform Velocity. 7.
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aimed at developing cam-follower systems of all kinds, sizes, and speeds. . simplification in the design and fabrication of assembled cam and follower systems. Cam makes a higher kinematic pair with follower. Cam mechanisms are widely used because with them, different types of motion can be possible. Cams can. Cam-follower systems are frequently used in all kinds of machines. The valves in Compared to linkages, cams are easier to design to give a specific output.
The cam converts rotary motion of one element into reciprocating linear motion or into oscillatory motion.
The cam is the driver member and the follower is the driven member. The cam and follower mechanism is widely used for operating the inlet and exhaust valves of internal combustion engines.
They are used in wall clocks and the feed mechanism of automatic lathe machines. They are also used in paper cutting machines and weaving textile machinery.
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The most important classification is based on the motion and displacement of the follower with respect to the axis of rotation or oscillation of the cams. Based on this, the types of cams are as follows: Radial or Disc Cam: In the radial cams, the working surface of the cam is designed such that follower moves in a plane perpendicular to the axis of the cam performing a reciprocating or oscillating motion.
Cam & Follower.pdf - DEPARTMENT OF MECHANICAL...
Cylindrical Cam: In this type of cam, the follower either reciprocates or oscillates in a plane parallel to the axis of the cam. In this a circumferential contour is cut in the surface of the cylinder which rotates about its own axis.
The follower rides in the groove of the cylinder surface and it reciprocates in the plane parallel to the axis of rotation.
Wedge Cam: Here the cam has translatory motion and the profile of the cam is formed on one side of the cam. The contacting end of the follower with the cam has a sharp knife edged hence it is called so.
The motion between the cam and follower is sliding. Furthermore,the influence of the functioning cam-follower parameters can also be included.
Finally,an example of application is offered to analyze and discuss the main procedures considered in this work. Key words This is a preview of subscription content, log in to check access.
Kinematic Analysis of the Roller Follower Motion in Translating Cam-Follower Mechanisms
Preview Unable to display preview. Download preview PDF. References Angeles, J.
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INTRODUCTION of CAMS and Types of CAM and Followers
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Classification of Cams
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Mundo, D.A cam is a mechanical device used to transmit motion to a follower by direct contact. Madrid, It measures the changes in the performance of the system due to IJSER unpredictable variation in selected design parameters for the system. A cam is a mechanical device used to transmit motion to a follower by direct contact.
Lahr and Hong developed a cord and pulley system to double the number of followers in contact with the cam of an infinitely variable transmission cam-follower system in order to reduce the contact stress between the followers and the cam surface towards maintaining a constant input speed of the actuator. A familiar example is the camshaft of an automobile engine, where the cams drive the push rods the followers to open and close the valves in synchronization with the motion of the pistons.
Zhang, C. Google Scholar 8. Chaari, L.
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