English
The ZY series cylindrical gear reducer is a high-precision, heavy-duty parallel shaft gearbox with external meshing gears, made from durable carburized and quenched low-carbon alloy steel. Standardized under JB/T8853-2001, it ensures excellent contact performance and reliable speed reduction and torque multiplication for industrial applications.
| No. | Item | Parameters |
| 1 | Motor Power | 0.25KW |
| 2 | Output Speed | 0.19-348 rpm |
| 3 | Input Speed | 750-1500 rpm |
Compact and Lightweight: The coaxial planetary gear design is 50% smaller and lighter than traditional parallel-shaft reducers, making it ideal for space-constrained applications such as robotics and automation equipment.
High Torque Density and Efficiency: Multiple planetary gears share the load, resulting in a high torque-to-weight ratio and efficiency exceeding 95%, enabling high power output and reducing motor requirements.
Precise Speed Control: A wide speed ratio range (3.4:1 to 290:1) and multi-stage configurations enable precise speed regulation for servo, stepper, and DC motors.
Low Backlash and High Precision: Precision helical gearing with backlash less than 5 arc minutes ensures smooth, precise motion, making it suitable for CNC machine tools and positioning systems.
Durable and Long Life: Ball bearings and a robust construction reduce wear and vibration, resulting in a long service life (>20,000 hours) and low maintenance costs.
Low Noise and Vibration: The planetary gearing and helical gearing design reduce operating noise (<70 dB), making it suitable for noise-sensitive applications such as food processing and medical applications.
Robotics and Automation: The compact size, low backlash (<5 arcmin), and high precision make it ideal for robotic arms, automated guided vehicles (AGVs), and pick-and-place systems, ensuring accurate positioning and smooth motion control.
CNC Machinery: Used in CNC lathes, milling machines, and cutting tools, the GTN Series provides precise speed control and high torque for consistent performance in metalworking and woodworking applications.
Packaging and Material Handling: Its high efficiency (>95%) and durability support conveyor systems, palletizers, and packaging machines, handling repetitive tasks with minimal maintenance in high-throughput environments.
Medical Equipment: The low noise (<70 dB) and compact design suit medical devices like surgical robots, imaging systems, and rehabilitation equipment, where quiet operation and reliability are critical.
Textile Machinery: Employed in looms, spinning machines, and winding systems, the GTN Series delivers consistent torque and speed regulation for precise fabric production under continuous operation.
Construction and Heavy Equipment: The high load capacity and robust construction make it suitable for construction machinery, such as concrete mixers or lifting equipment, where it handles heavy loads and impulsive forces.
Renewable Energy Systems: Used in wind turbine pitch/yaw drives and solar tracking systems, leveraging its high torque and durability to withstand harsh environmental conditions.
Food and Beverage Processing: The low noise, efficiency, and reliability support food-grade machinery like mixers, fillers, and bottling lines, ensuring hygiene and consistent operation.
1. What is the GTN Series Planetary Gear Reducer?
The GTN Series is a family of inline planetary gearboxes used for speed reduction and torque multiplication. It consists of a central sun gear, multiple planet gears orbiting around it, a fixed ring gear, and a carrier that transmits output. This configuration allows for high power density in a compact footprint, making it ideal for servo motors, automation, and heavy-duty machinery.
2. What are the key specifications of the GTN Series?
Power Rating: 0.25–20 kW
Speed Ratio: 3.4:1 to 290:1 (single or multi-stage)
Maximum Output Torque: Up to 250 kN·m
Backlash: Typically <1–3 arcminutes for precision models
Efficiency: 95–98% per stage, with low friction due to ball bearings and helical gearing
Mounting Options: Foot, flange, or shaft mounting for flexibility These specs support applications in robotics, CNC machines, and conveyors.
3. How does the GTN Series work?
Input torque from a motor drives the sun gear, causing the planet gears to rotate and orbit while meshing with the fixed ring gear. This distributes load across multiple planets, reducing speed and amplifying torque at the output carrier. Multi-stage designs stack units in series for higher ratios, with each stage achieving up to 10:1 reduction.
4. What are the advantages of the GTN Series over other gear reducers?
High Torque Density: Load sharing across 3–4 planet gears allows 2–3x more torque than parallel-shaft reducers at similar sizes.
Compact Design: Up to 50% smaller than equivalent spur gear systems, with coaxial input/output shafts.
Low Backlash and Noise: Precision helical teeth minimize vibration (<45 dB) and positioning errors.
Durability: Ball bearings and robust housing extend life to 20,000+ hours; suitable for high axial/radial loads.
Efficiency: 3% loss per stage, outperforming worm gears (70–80% efficiency).
5. What applications is the GTN Series best suited for?
Industrial automation (e.g., servo/stepper motor pairing)
Robotics and material handling
Packaging, food processing, and textiles
Energy systems (e.g., wind turbines) and transportation
CNC/3D printing for precise positioning Avoid for very low-speed, high-shock loads without custom hardening.
6. How do I install a GTN Series reducer?
Verify motor flange/shaft compatibility; use adapters if needed.
Mount vertically or horizontally on a stable base; align shafts coaxially (<0.1 mm offset).
Secure with bolts to spec torque; apply anti-seize to threads.
Fill with recommended lubricant (e.g., synthetic grease for sealed units).
Run-in at low speed for 1–2 hours to seat gears. Professional alignment tools are advised to prevent premature wear.
7. What maintenance is required for the GTN Series?
Lubrication: Check every 5,000 hours; relubricate per manual (grease for life-sealed models).
Inspection: Monitor for leaks, unusual noise, or vibration quarterly.
Temperature: Operate at -10°C to 40°C; use cooling fins for high-duty cycles.
Cleaning: Wipe external surfaces; avoid water ingress (IP65-rated options available). Expected lifespan: 10–15 years with proper care.
