A gear is a device that transfers force to another device via rotation mechanism. It, with the aid of its teeth is joined with another and applies full force. According to its mechanism it has the capacity to enhance force at various torques towards diverse directions originating from the root source whence it attains power.
It is an acceptable fact; A gear is fitted well with another that has teeth. But the matter to be considered is that it fits well with any device, not specifically with another of its kind, that owns its teeth to be fitted quite coherently.
They come in different sizes, may be easily combined with another of a different size. The factor that dominates to a great extent is that though the second device with which the first is fitted with creates no problem to generate force and the rotational source of force is kept intact.
We can define a gear according to the teeth it has. Teeth and the diameter play the crucial part in the mechanism of a gear. Hence it can be easily told that the performance solely depends on the characteristic qualities that it originally possesses. The actual role that it plays is that it generates force to one shaft to another one irrespective of teeth and diameter.
The mechanism follows the rule of linear physics that determines its rotation per second or minute. The speed is generated vide an equation of the gear's circumference dived by the radius of it. Actually it must be taken care that the second gear is also given the tremendous importance too.
The teeth play the most crucial role in generating force. Again the radius of it also is of no less importance. Probably depending on the diameter the force is generated. The larger is the radius the slower is the speed.
It is to be noted that the teeth adjoining gears are corresponded to one another to rotate. Thus when teeth related to the smaller one, and press the other one, the large one makes one rotation. As a matter of fact when the small one moves in a fast pace and the large one moves faster generating more power. The points of contact must have to pass a particular point to rotate following a comprehensive mechanism to generate actual force.
When we find an ordinary gear we notice that it has axes that are absolutely static when there is rotation. The axes can be much in number as in the case of an epicyclic one. Again the one referred to as the sun – planet gear has a wonderful mechanism. In this a gear called planet rotates round the sun.
If we think about the mechanism of, we have to keep in mind the fact that it is based on particularly four items as the axis, the pitch point, pitch circle and the pitch diameter.