Geared Parallel Mechanisms
Gears are widely used in machines for the purpose of transmission of rotary or rectilinear motion from one shaft to another. They are employed in a variety of industrial and technological applications such as automobiles, tractors, helicopter motor systems, machine tools, aircrafts, robotic mechanisms and others. In geared systems, the power can be transmitted from one body to another if the components have rolling contact. Rotation motion or translation motion is transmitted by the successive engagement of teeth, so that the two surfaces in contact roll theoretically without slipping and the velocities of components at the common point of contact are equal.
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