Spur gears are the most common type of gear used to transmit power between two parallel shafts. They are also extensively employed in mechanical and agricultural setups for the following advantages.
- Simple Design and Construction: Spur gears have a straightforward design with teeth parallel to the axis of rotation, making them easy to manufacture and cost-effective.
- High Efficiency: Spur gears have minimal sliding friction between the mating teeth, resulting in high mechanical efficiency, typically around 98-99%.
- Smooth Operation: The parallel arrangement of spur gear teeth ensures smooth power transmission and minimal vibration, especially at moderate speeds.
- Compact Size: Spur gears can transmit high torque while occupying a relatively small space, making them suitable for compact designs.






















