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What is a Bevel Gear?
A bevel gear is a type of gear designed to transmit power between two intersecting shafts—typically at a 90-degree angle, but can be applied to almost any angle. Its teeth are cut on a conical surface, allowing smooth and efficient transfer of rotational motion in machinery.
How Bevel Gears Work
Bevel gears operate in pairs, with their angled teeth meshing to change the axis of rotation. Depending on their shape and tooth design, they can handle high torque loads while maintaining quiet and stable operation. Bevel gears typically have a gear ratio reducing or increasing rotation speed.
Common Types of Bevel Gears
- Straight Bevel Gears: Teeth cut straight; simple and cost-effective but noisier at high speeds.
- Spiral Bevel Gears: Curved teeth allow smoother, quieter performance and greater load capacity.
- Hypoid Gears: Similar to spiral but with offset shafts; commonly found in trams and automotive applications.
- Zerol Bevel Gears: Zerol bevel gears look like are spiral bevel gears with zero-degree spiral angle. They are used in similar applications as straight bevel gears, but have slightly different contact pattern behaviour.
Bevel gears are often custom-engineered for specific application, to maximize the power density, space usage as well as other use case related features. ATA Gears has a very long tradition in consulting bevel gear design and advising for most long term economical solution.
Applications
Bevel gears are widely used in:
- Automotive industry
- Marine drives (thrusters, steering equipment)
- Mining industry (crushers, excavators, conveyors)
- Steel Industry (steel mills)
- Other Industrial machinery (pulpers, mixers, conveyors)
- Public transport (Trams, Locomotives)
- Mechanical motion control systems
- Heavy Equipment
- Defense technology
Whether you require prototype development, small-batch production, or large-scale manufacturing, ATA Gears team delivers precision-engineered custom bevel gears that meet your exact specifications. From design consultation to final inspection, we ensure every gear meets the highest standards of quality and reliability.