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Which type of gear can change the direction of a drivetrain?

Helical gears

Beveled gears

Beveled gears are specifically designed to change the direction of a drivetrain. They are characterized by their conical shape, which allows them to mesh at an angle, typically intersecting at 90 degrees. This feature enables the transfer of motion and torque between shafts that are not parallel, making them ideal for applications where the direction of power transmission must be altered.

The unique design of beveled gears facilitates smooth and efficient operation, which is crucial in a variety of mechanical systems, including those found in firefighting equipment where reliability and performance are paramount. While other types of gears, such as helical, herringbone, and spur gears, serve specific functions within a drivetrain, they do not have the intrinsic ability to change the direction of the power flow as effectively as beveled gears do.

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Herringbone gears

Spur gears

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