Table of Contents
What are the advantages of mechanism?
Machine components designed to manage forces and movement in this way are called mechanisms. An ideal mechanism transmits power without adding to or subtracting from it. This means the ideal mechanism does not include a power source, is frictionless, and is constructed from rigid bodies that do not deflect or wear.
Where is cam mechanism used?
Cam mechanisms are used in various areas of machine building, such as internal-combustion engines, metal-cutting machines, and machines of the food industry, in which the cam mechanism performs a programmed operation, as well as in automated machines, in which cam mechanisms perform control functions, connecting and …
What is the mechanical advantage of the system?
The theoretical mechanical advantage of a system is the ratio of the force that performs the useful work to the force applied, assuming there is no friction in the system. In practice, the actual mechanical advantage will be less than the theoretical value by an amount determined by the amount of friction.
What are the advantages of slider crank mechanism?
A slider–crank mechanism is widely used in gasoline/diesel engines and quick-returnmachinery. Research works in analysis of the slider– crank mechanism has been investigated to date due to them significant advantages such as low cost, reduced number of parts, reduced weight and others.
What are the advantages and disadvantages of Cam?
2) The accuracy of cam profile is high, and it needs to be processed by CNC machine tool; 3) The stroke of the follower should not be too large, otherwise the cam will become bulky.
Which is better a cam or follower mechanism?
It is an accurate design mechanism with a higher standard method of motion transformation. the elements used in the mechanism are usually durable and long lasting. Load Carrying capacity of cam and follower is excellent. The higher accuracy of machine element is required. Especially for rotary motion is required as input to the mechanism
What are the components of a CAM system?
A cam mechanism consists of three elements: the cam, the follower (or follower system), and the frame. The follower is in direct contact with the cam. The cam may be of various shapes. The follower system includes all of the elements to which motion is imparted by the cam.
How are cams and their followers used in engineering?
Uniform acceleration and retardation cams are used to controls the motion of linkages in complex machinery. There are three types of cam followers, and since the type of follower influences the profile of the cam it is worthwhile considering the advantages and disadvantages of each type.