High-Performance Servo Gearboxes
Servo gearboxes are mechanical components designed to increase torque and reduce the speed of a servo motor's output shaft. They are an essential part of many automated and precision control systems.
Experience increased efficiency, durability, and precision with our Planetary, Inline & Right Angle Servo gearbox options: The Cyclo Servo, Servo Bevel BuddyBox 4, and Servo Hyponic.
Critical Benefits You’ll Enjoy with Sumitomo Servo Gearboxes That the Competition Can’t Match
Inline Servo Gearboxes
Servo Cyclo®
Power Meets Precision, Every Revolution
Explore the precision and efficiency of the Cyclo Inline Servo Gearbox. Designed for seamless integration and optimal performance in demanding applications, this servo gearbox offers unmatched durability and control. The Cyclo® technology, coupled with innovative product options and accessories, offers the most extensive range of application solutions available.
- 500% Momentary Shockload
- Available with Standard Backlash or Low Backlash
Input Speed
Up to 4,000 RPM
Output Diameter
1/2in to 7in (Solid Shaft)
Torque
Up to 603,000 Ib•in (68,130 N•m)
Ratio Range
3:1 up to 658,503:1
Right Angle Servo Gearboxes
Servo Hyponic® Gearbox:
Quiet Strength, Compact Efficiency
This right angle servo gearbox features a compact, modular housing and a gear efficiency of up to 93% across all ratios.
- Maintenance-free grease lubrication
- A variety of industry packages and options are available, including grease lubrication, antibacterial coating, waterproofing, and low-temperature requirements.
- Clamp Ring Input
Input Speed
Up to 3,600 RPM
Output Diameter
3/4in to 2in
Torque
Up to 1,480 N•m (13,100 Ib•in)
Ratio Range
5:1 up to 1,440:1
Right Angle Bevel Servo Gearbox
Servo Bevel BuddyBox® 4 Gearbox:
Maximizing Torque, Optimizing Control.
The Cyclo BBB4 Servo Gearbox is a right angle servo gearbox with all-steel internal construction, Cyclo® or planetary gear inputs, and ductile iron housing, all of which provide unmatched ruggedness.
- 100% Hardened Steel Components
- Oversized, single-piece pinion provides a robust solution capable of 300% momentary shock-load.
Input Speed
Up to 4,000 RPM
Output Diameter
1in to 4-15/16in (Hollow & Solid Shaft)
Torque
Up to 159,983 Ib•in (18,076 N•m)
Ratio Range
21:1 up to 26,000:1 and greater
Planetary Servo Gearboxes
IB Precision Servo Gearbox Series
Low Backlash, Low Torque for Precise Movements
This series of low backlash planetary servo gearboxes are precision units with backlash between 3 and 15 arcmin. These incredibly compact and quiet reducers have a large torque range and can allow maximum input speeds up to 6000 rpm. Large diameter precision angular contact ball bearings supporting the output shaft, allow large radial loads
- Maintenance-Free for Life
- Simple Motor Assembly with Clamp Ring
Recognizing the early warning signs of potential failures not only saves money but ensures uninterrupted operations and upholds the stringent standards of any industry.
Whether you're setting up a new production line, upgrading existing machinery, or simply aiming to optimize operations, this guide will equip you with the knowledge needed to make an informed choice
Download our guide today and become the expert your team relies on for the efficient and safe operation of servo gearboxes.
This paper aims to highlight why, and where, industrial gearboxes are a preferred choice for enhancing productivity, performance, and overall efficiency in automation processes.
Frequently Asked Questions (FAQ)
What are the three types of Servo Gearboxes?
Servo gearboxes are designed to improve torque transmission, precision, and efficiency in motion control applications. Sumitomo Drive Technologies offers three primary series of servo gearboxes, each suited for specific industrial needs:
- Inline Servo Gearboxes – These gearboxes feature a straight-through design, providing high torque density with minimal backlash. They are ideal for high-speed applications requiring precise motion control and efficient power transmission.
- Right-Angle Servo Gearboxes – Utilizing hypoid or bevel gearing, these gearboxes allow for compact, space-saving configurations by redirecting motion at a 90-degree angle. They are commonly used in automation systems where footprint constraints exist.
- Planetary Servo Gearboxes – Engineered for high precision and torque capacity, planetary gearboxes distribute load efficiently across multiple gear teeth, reducing wear and enhancing performance. They are widely used in robotics, CNC machinery, and material handling applications.
What is a servo gearbox?
A servo gearbox is a precision-engineered gear system designed to work with servo motors, enhancing torque output while maintaining high positional accuracy and efficiency. These gearboxes optimize the speed-torque ratio, reduce motor load, and improve the overall performance of motion control systems. Servo gearboxes are commonly used in automation, robotics, CNC machinery, and material handling applications.
What is the purpose of a Servo in power transmission?
In power transmission systems, a servo is a precision-controlled actuator that regulates torque, speed, and positioning in an electromechanical drivetrain. It ensures accurate motion control by adjusting motor output based on real-time feedback, making it essential in applications requiring high responsiveness and efficiency.
Within a servo gearbox system, the servo motor works in conjunction with high-precision gearing to:
- Enhance Torque Output – A servo gearbox increases the motor’s torque capacity while maintaining accuracy.
- Improve Positioning Accuracy – Feedback mechanisms allow precise control over motion and load adjustments.
- Optimize Speed-Torque Ratios – Gear reduction enables smooth operation at varying speeds while preventing excess motor strain.
- Increase System Efficiency – Reduced backlash and optimized power transmission minimize energy loss and mechanical wear.
What is the purpose of a servo?
A servo is a closed-loop actuator designed to provide precise position, speed, and torque control. It operates using feedback from an encoder or resolver to continuously adjust motor output, ensuring high accuracy in automated systems. Servo gearboxes are essential in robotics, CNC machines, industrial automation, and aerospace applications where precision motion control is critical.
How does a servo gear box reduce backlash in various applications?
Backlash is minimized in servo gearboxes through precision-engineered gear profiles, preloaded components, and high-quality materials. Planetary and right-angle servo gearbox series are designed to have minimal clearance between gears, ensuring precise motion control and eliminating positioning errors in automated systems.
What factors should be considered when selecting a servo gear box?
When choosing a servo gearbox, consider:
- Torque Requirements – Ensure the gearbox can handle the necessary torque output.
- Backlash Tolerance – Low-backlash gearboxes improve positioning accuracy.
- Speed and Reduction Ratio – Select a ratio that aligns with motor speed and load demands.
- Mounting Configuration – Choose between inline or right-angle designs based on space constraints.
- Durability and Efficiency – High-precision materials and lubrication impact longevity and performance.
Enhance Your Industrial Operations with Sumitomo
Our industrial solutions set the standard in durability, efficiency, and innovation. Engineered to handle the toughest challenges, we are the reliable choice for your operations.