RB / RL Series Precision Right Angle Gearbox
The RB/RL Series Precision Right-Angle Gearbox represents a high-performance solution for servo-driven and automated systems that require compact installation, low backlash, and superior transmission accuracy. Engineered for precise motion control, high torque density, and smooth operation, the RB/RL series integrates spiral bevel gear technology with a planetary reduction stage to deliver outstanding efficiency and alignment stability in space-limited mechanical layouts.
Designed for precision positioning, robotics, packaging, and CNC applications, this series offers two distinct housing configurations:
RB Series: Square output flange for easy servo integration and compact mounting.
RL Series: Round output housing for universal adaptability and high rigidity.
Both configurations share identical internal components and performance characteristics, ensuring reliable and consistent operation across diverse automation environments.
Key Features
High-Precision Spiral Bevel Gear Design – Provides smooth, quiet, and efficient torque transfer at a 90° angle with minimal backlash.
Integrated Planetary Reduction Stage – Combines high torque output and accurate motion control in a compact configuration.
Low Backlash Design – Available in precision grades from ≤ 3 arcmin (high precision) to ≤ 7 arcmin (standard).
Square (RB) or Round (RL) Output Housing – Provides flexible mounting options to accommodate various machine layouts.
High Torque Density – Compact construction achieves an exceptional torque-to-size ratio for space-saving system design.
Helical Gearing System – Reduces vibration and operating noise while improving power transmission efficiency.
High Efficiency (Up to 97%) – Optimized tooth geometry minimizes energy loss and heat generation.
Maintenance-Free Operation – Factory-sealed lubrication system ensures long service intervals and zero maintenance.
Universal Mounting Orientation – Suitable for vertical, horizontal, or inverted installation.
Servo-Compatible Input Interface – Modular motor flange design supports most major servo and stepper motor brands.
Applications
The RB / RL Series Precision Right Angle Gearbox is designed for a wide range of servo-driven and automation applications where precision and compactness are essential, including:
Robotics and motion control systems – accurate torque transmission for joint or rotary axis applications
Packaging and printing machines – smooth, quiet operation under continuous duty cycles
CNC machinery and automation lines – precise speed reduction and positioning accuracy for feed or rotary drives
Material handling and conveying systems – high torque delivery with right-angle flexibility
Assembly and inspection equipment – compact design ideal for limited-space installations
Semiconductor and laboratory automation – high precision, low vibration drive solutions
Performance Advantages
Compact Right-Angle Design – Enables efficient use of space without sacrificing torque performance.
Smooth and Quiet Operation – The spiral bevel and helical gear combination minimize noise and vibration.
High Positional Accuracy – Low backlash ensures precise repeatability in servo-driven systems.
Flexible Mounting Options – Square (RB) and round (RL) housings adapt to multiple installation formats.
Durable and Reliable Construction – Heat-treated alloy steel gears and rigid housings ensure long service life.
High Torque Output – Planetary gearing and bevel interface deliver superior torque density.
Energy Efficiency – Up to 97% transmission efficiency per stage, reducing system energy consumption.
Technical Benefits
Gear Type: Spiral bevel
Gear Ratio Range: Standard 3:1 to 100:1 (custom ratios available)
Efficiency: Up to 96% per gear stage
Backlash: ≤ 6 arcmin (depending on model and ratio)
Torque Capacity: High torque density suitable for servo and automation systems
Housing Type: Square (RB) or round (RL) output configuration
Housing Material: Aluminum alloy or cast steel for rigidity and heat dissipation
Gear Material: Carburized and precision-ground alloy steel gears
Lubrication: Factory-filled long-life synthetic grease (maintenance-free)
Bearing System: High-load precision bearings for axial and radial load support
Mounting Orientation: Universal (horizontal, vertical, or inverted)
- Motor Compatibility: Servo, stepper, and brushless DC motors
Why Choose RB / RL Series Precision Right Angle Gearbox
The RB / RL Series Precision Right Angle Gearbox is engineered for modern automation systems that require precise torque control, compact design, and long-term durability. Its combination of spiral bevel and planetary gearing ensures efficient power transfer with minimal backlash and noise, making it an ideal solution for servo motion and high-speed positioning applications. Whether selecting the RB square housing for direct servo mounting or the RL round housing for versatile mechanical integration, both models deliver the same advantages — Power, Precision, and Productivity. The RB/RL Series offers a reliable, maintenance-free, and space-efficient gearbox solution for robotics, packaging, CNC, and industrial automation applications, enabling manufacturers to achieve higher performance and system efficiency.



