HELICAL GEAR Meaning and
Definition
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A helical gear is a type of gear used in machinery and mechanical systems to transmit power between rotating shafts. It consists of a cylindrical or disk-shaped gear with parallel teeth that are arranged in a helix shape, resembling the threads on a screw. This design allows for a smoother and more efficient transfer of motion and power compared to other types of gears.
The helical gear is often used in applications where a high level of precision, strength, and quiet operation is required. The helical teeth engage gradually and continuously, reducing the impact of load changes and providing more contact between the gears. This results in a smoother transmission of power and the ability to handle heavier loads than other types of gears.
One of the main advantages of helical gears is their ability to operate with minimal noise and vibration. The helix angle of the teeth reduces the axial forces and thrust load, resulting in quieter and more balanced operation. Additionally, the helical gear design allows for a larger surface area of contact between the gears, leading to improved efficiency and reduced wear and tear.
Helical gears can be found in various industries, including automotive, aerospace, power generation, and machinery manufacturing. They are commonly used in applications such as automotive transmissions, industrial machinery, and rotary equipment. The design and manufacture of helical gears require precision engineering and specialized machinery to achieve the desired specifications and performance characteristics.
Etymology of HELICAL GEAR
The word "helical" originates from the Greek word "helix", which means a spiral or coil. The term "gear" comes from the Middle English word "gere", which denotes "equipment" or "tools". Therefore, the etymology of "helical gear" is derived from the combination of "helix" and "gear", representing a kind of gear with helical or spiral-shaped teeth.
