3 Stage Helical Gearbox
What is a 3 Stage Helical Gearbox
The 3-Stage R-Series Helical Gear Reducer is a high-performance industrial speed-reducing device featuring a three-stage gear transmission structure. It is specifically designed for industrial applications requiring high torque output, stable continuous operation, and high transmission efficiency.
By utilizing a three-stage cascading reduction mechanism, this series of reducers effectively achieves higher reduction ratios and greater output torque. Consequently, it is widely utilized in fields such as heavy-duty conveying equipment, automated production systems, mining machinery, metallurgical equipment, and environmental engineering projects.
Compared to traditional speed-reducing devices, the R-Series Gear Reducer offers distinct advantages in terms of transmission efficiency, load-bearing capacity, and service life.


Common models
AR Series Foot-mounted gearbox
ARF Series Flange-mounted Helical gearbox
AR..F Series Foot and Flange-mounted (Only for size 17 to 87) reducer
Optional models
ARX Single-stage Foot-mount gear reducer
ARXF Series Single-stage Flange-mounted gear unit



High Reduction Ratio for Enhanced Output Stability
The three-stage gear transmission structure enables a wider reduction range, resulting in smoother output speeds. This design is particularly well-suited for low-speed, heavy-load operating conditions.
High Torque-Bearing Capacity
The internal gears are crafted from high-quality low-carbon alloy steel. Following processes of carburizing, quenching, and precision gear grinding, they exhibit exceptional hardness and fatigue resistance, enabling them to withstand high-intensity loads over extended periods reliably.
High-Efficiency, Energy-Saving Transmission
The R-series helical gear reduction gearbox features an optimized tooth profile design that minimizes energy loss. With its high overall transmission efficiency, it effectively reduces equipment operating costs.


|
Model |
Helix Gearbox |
|
Ratio |
1.3~289.74 |
|
Output torque |
Max 18000Nm |
|
Input power |
0.12~200KW |
|
Install |
Base / Flange Mount |
|
Output |
Solid shaft |
|
Gear material |
Alloy Steel Hardened Gear Teeth |




















Why Choose Our Helical Gear Reducers?
As a professional manufacturer of industrial gear reducers, we maintain a mature production system and rigorous quality management processes:
CNC Machining Center Production
Precision Gear Grinding
Comprehensive Assembly and Inspection
Factory Load Testing
Temperature Rise and Noise Testing
Compliance with International Export Standards
Each R-series gear reducer undergoes a series of performance tests to ensure long-term, stable operation in complex industrial environments.














Q1: Can the unit be customized based on specific equipment parameters?
A1: Yes, we support non-standard customization, including adjustments to output shaft dimensions, reduction ratios, motor compatibility, and mounting configurations.
Q2: Is it compatible with variable frequency motors?
A2: Yes; we can configure the system with either standard motors or variable frequency motor systems, depending on the client's specific requirements.
Q3: How can I extend the service life of the gearbox?
A3: We recommend regularly monitoring the condition of the lubricating oil, ensuring adequate heat dissipation for the equipment, and avoiding prolonged operation under overload conditions.
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