Cylindrical gear reducers are a type of power transmission mechanism that use gears as speed converters to reduce the rotation speed of a motor to the desired speed, while obtaining a larger torque. The gears of this reducer are carburised, quenched and ground, providing high load capacity and low noise. Cylindrical gear reducers are widely used in metallurgy, mining, lifting, transportation, cement, construction, chemical, textile, dyeing, and pharmaceutical sectors.