Quickness reducers are fairly simple bits of machinery. A rate reducer is merely a gear train between the engine and the machinery that is used to reduce the speed with which power is usually transmitted. Speed reducers, also called equipment reducers, are mechanical devices more often than not utilized for two reasons. Gear reducers essential make use of is usually to duplicate the way of measuring torque made by an information power regear speed reducer source to expand the measure of usable work.
Speed reducers mainly serve two functions. Initial, they consider the torque made by the power source (the insight) and multiply it. Second, rate reducers, much as the name implies, reduce the swiftness of the input to ensure that the output is the correct speed.
How 
does a swiftness reducer raise the torque while decreasing the speed? The output equipment of a quickness reducer has more tooth than the input gear. Therefore, while the output gear might rotate more slowly, reducing the quickness of the input, the torque is improved.
So, to sum up, they take an insight power source and increase the torque whilst decreasing the speed.
Speed reducers can be found in many sizes and shapes, but some of the most commonly found swiftness reducers are gearboxes.