High-Torque Spiral Bevel Gearbox Speed Reducer

Unlike worm gear reducers, the spiral bevel gear configuration provides higher transmission efficiency and stronger load-carrying capability, making the ARA series suitable for continuous operation under high loads and impact conditions. Its HT200/HT250 cast iron housing is produced using resin sand casting, providing a rigid structure and good vibration resistance, while the 20CrMnTi carburized and hardened gears are designed for demanding transmission conditions. Xiafeng can supply complete speed reducers, machined gearbox housings, or customized castings according to drawings and production requirements.

High-Efficiency Spiral Bevel Transmission

The ARA series uses spiral bevel gears to change the direction of power by 90 degrees while maintaining efficient mechanical transmission. With an efficiency of at least 95%, it reduces power losses compared with conventional worm gear transmission and is better suited to applications where energy efficiency and continuous operation are important.

The spiral tooth geometry also provides smoother engagement between gears, helping the reducer handle higher loads and impact forces during operation. The transmission supports both forward and reverse rotation, giving equipment manufacturers greater flexibility when designing drive systems.

Cast Iron Housing for Heavy-Duty Operation

For high-torque applications, housing rigidity directly affects gear alignment and overall operating stability. Xiafeng uses HT200 or HT250 cast iron for the ARA gearbox housing, with resin sand casting used to produce a strong and structurally stable enclosure.

The cast iron construction provides good vibration resistance and heat dissipation while maintaining sufficient mechanical strength for heavy industrial equipment. Xiafeng can supply the housing as a casting blank or provide further machining according to customer drawings and dimensional requirements.

Built for High Torque Applications

With reduction ratios from 1:1 to 5:1 and motor input capacities from 0.55 to 45 kW, the ARA series covers a broad range of industrial drive requirements. Output torque can reach 5000 N·m, making the gearbox suitable for equipment that requires substantial driving force rather than simply compact speed reduction.

The hardened 20CrMnTi gears provide a durable transmission surface for demanding operating conditions, while the available horizontal, flange, and shaft-mounted configurations allow the reducer to be integrated into different machine layouts.

Technical Specifications

Heavy-Duty Industrial Applications

The high torque capacity and efficient right-angle transmission make the ARA series suitable for demanding industrial drive systems. In mining machinery and conveyors, it can provide the torque required for continuous material handling. Lifting equipment benefits from its high load capacity, while mixers and chemical processing equipment can use the reducer for continuous mechanical drive.

The gearbox is also suitable for metallurgical equipment, construction machinery, and other heavy-duty systems where shock loads, long operating cycles, and reliable power transmission are important considerations.

OEM Gearbox Casting Service

Xiafeng provides more than complete speed reducers. For machinery manufacturers requiring locally sourced gearbox components, the company can supply HT200 and HT250 cast iron housing blanks, machined housings, and other customized components.

Production can be arranged according to customer drawings, samples, material grades, dimensional tolerances, and machining requirements. This allows buyers to source individual gearbox castings or complete transmission units from the same manufacturer.

FAQ

Q: What is a spiral bevel gearbox used for?

A: A spiral bevel gearbox is used when machinery requires 90-degree power transmission with high efficiency and strong load-carrying capability. It is commonly used in conveyors, mining equipment, lifting systems, mixers, and heavy machinery.

Q: How does a spiral bevel gearbox compare with a worm gearbox?

A: Spiral bevel transmission generally provides higher efficiency and supports forward and reverse rotation, while worm gearboxes are often selected when self-locking and compact right-angle transmission are priorities.

Q: What is the maximum torque of the ARA gearbox?

A: The ARA series can provide output torque up to 5000 N·m, depending on the specific gearbox configuration and operating conditions.

Q: What cast iron grades are available for the gearbox housing?

A: Xiafeng can provide HT200 and HT250 cast iron housing options. The appropriate grade can be selected according to structural and application requirements.

Q: Can Xiafeng supply only the gearbox housing casting?

A: Yes. Xiafeng supplies complete reducers as well as cast iron housing blanks, machined housings, and customized gearbox components.

Q: Can the ARA gearbox be customized for OEM equipment?

A: Yes. Xiafeng supports customization based on drawings, samples, mounting requirements, transmission specifications, housing dimensions, and machining requirements.