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R Hardened Helical Gear Reducer
R Hardened Helical Gear Reducer
Description
R/K/F/S series helical gear reducers are high-performance, hard-tooth-surface gearboxes designed for industrial applications requiring compact structure, high torque output, and long-term operational stability.
Featuring carburized and quenched alloy-steel gears that undergo precision grinding, these reducers deliver exceptional durability, high transmission efficiency, and low noise even in heavy-duty working environments.
The series offers multiple structural forms—including inline (R series), right-angle bevel-helical (K series), shaft-mounted (F series), and parallel-shaft helical (S series)—providing wide installation flexibility and compatibility with various motor types.
The gearbox can be supplied as an integrated motor-reducer assembly using high-quality copper-coil motors for excellent reliability and consistent power delivery.
Engineered for modern industry, the R/K/F/S series is widely adopted across metallurgy, mining, port machinery, petrochemical equipment, wind power systems, hoisting and logistics machinery, packaging lines, environmental equipment, and general factory automation.
Features
Superior Performance
- Hard-tooth-surface gears with carburizing and quenching treatment for long service life.
- High load-carrying capacity with minimized vibration during heavy-load operation.
- Precision gear grinding and hobbing ensure smooth operation and high efficiency.
High Efficiency & Low Noise
- Helical gear design provides high transmission efficiency and excellent mechanical stability.
- Significantly reduced noise compared with worm and spur gear reducers.
Integrated Motor Gearbox Design
- Fully compatible with standardized IEC copper-coil motors.
- New-generation rotor technology ensures high reliability and energy efficiency.
Compact Structure & Space Saving
- Modular design with multiple mounting options.
- Smaller footprint compared with traditional gearbox systems.
Wide Application Versatility
- Suitable for continuous operation under demanding industrial environments.
- Flexible installation: foot-mounted, flange-mounted, or shaft-mounted.
Specifications & Parameters
R Series Helical Gear Reducers
| Model | Input Power (kW) | Ratio Range | Max Torque (Nm) |
|---|---|---|---|
| R17 | 0.12–0.75 | 3.83–81.64 | 87 |
| R27 | 0.12–3 | 3.37–135 | 128 |
| R37 | 0.12–3 | 3.83–134.8 | 196 |
| R47 | 0.12–5.5 | 3.83–177 | 305 |
| R57 | 0.12–7.5 | 4.39–187 | 440 |
| R67 | 0.12–7.5 | 4.29–199.8 | 595 |
| R77 | 0.18–11 | 5.31–195.2 | 705 |
| R87 | 0.55–22 | 5.3–246.54 | 1310 |
| R97 | 0.55–30 | 4.5–289.74 | 2110 |
| R107 | 2.2–45 | 5.004–251.17 | 4380 |
| R137 | 5.5–55 | 5.14–223.6 | 7910 |
| R147 | 11–90 | 5–163.31 | 12700 |
| R167 | 11–160 | 5–229.71 | 17700 |
RX Series Helical Gear Reducers (High-Speed Input)
| Model | Input Power (kW) | Ratio Range | Max Torque (Nm) |
|---|---|---|---|
| RX37 | 0.12–1.1 | 1.62–4.43 | 20 |
| RX57 | 0.12–5.5 | 1.3–5.5 | 71 |
| RX67 | 0.12–7.5 | 1.4–6.07 | 120 |
| RX77 | 1.1–11 | 1.42–6.53 | 215 |
| RX87 | 3–22 | 1.39–6.45 | 395 |
| RX97 | 5.5–30 | 1.42–5.79 | 600 |
| RX107 | 5.5–45 | 1.44–6.63 | 810 |
Application Scenarios
Port Machinery
- Conveyor drives
- Container handling equipment
- Winches and hoists
Petrochemical Equipment
- Pumps, mixers, agitators
- Drilling equipment
Tower Cranes & Construction Machinery
- Slewing drives
- Hoisting mechanisms
Factory Automation & Machinery
- Packaging lines
- Assembly conveyors
- Printing and textile machines
Wind Power Systems
- Yaw drives
- Pitch control mechanisms
Hoisting & Logistics Equipment
- Automated warehouse conveyors
- Lifting platforms
- Material handling machines
FAQs
Does NUODUN support non-standard customization? What is the typical lead time?
Yes. NUODUN’s core competitiveness lies in the synergistic advantage of “customization + system integration.” We support structural customization, torque customization, input flange customization, mounting interface customization, stroke customization and more for products such as planetary gearboxes, screw jacks, electric cylinders, and gearboxes. The typical lead time for standard non-standard customization is 7–20 days, while more complex engineered projects are usually delivered within 3–6 weeks.
How does NUODUN ensure high precision and reliability in customized transmission systems?
Our engineering strength comes from long-term R&D investment, CAE simulation, lifetime calculation databases, modular design frameworks, and a mature testing/verification system. This ensures that every customized solution is not only manufacturable, but also reliable under real-world loads — balancing precision, durability, and cost efficiency.
Which industries commonly use NUODUN transmission components?
Our products are widely used in photovoltaic manufacturing, semiconductor equipment, automotive production, metallurgy, logistics, medical devices, aerospace, stage automation, and industrial automation — especially where precision positioning, heavy loads, or long service life are required.
How does NUODUN guarantee long-term product reliability?
All products undergo type testing, torque testing, vibration testing, life testing, noise measurement, and precision inspection. Core components such as gears, screws, and bearings are produced using advanced machining, grinding, heat treatment, and automated assembly processes.
Does NUODUN provide global after-sales support?
Yes. We offer remote technical support, installation guidance, troubleshooting, selection assistance, and long-term spare parts support for OEM/ODM partners.
