Durable Single Helical Gear for High-Speed Power Transmission in Industrial Machinery with Low Noise and Vibration

A helical gear is a cylindrical gear whose tooth line is inclined at a certain angle to the axis. It achieves meshing transmission through spiral tooth surfaces, with the angle between the tooth direction and the axis called the helix angle.

• High contact ratio: Multiple pairs of teeth engage simultaneously, providing superior transmission smoothness compared to spur gears.
• Low shock and vibration: Significantly reduces noise, making it ideal for high-speed operation.
• Even load distribution: Enhances load-bearing capacity and extends service life through balanced tooth loading.

When the driving gear rotates, the spiral tooth surface gradually contacts the driven gear along the tooth width direction. The load transmits through multiple tooth surfaces, with the line of action length changing dynamically during rotation to achieve continuous, smooth power transmission.

Metal helical gears are commonly used in industrial machinery and aerospace for high-load transmission. Engineering plastic helical gears are preferred for office equipment, medical devices, and toys where noise reduction and lightweight properties are critical.