FGA Series Planetary Reducer (FGA60/FGA80/FGA120/FGA160): Precision Orthogonal Layout & Self-Locking Transmission Solution
I. Product Overview
Weigao FGA Series Planetary Reducers, covering core models from FGA60 to FGA160, are precision customized transmission devices tailored for scenarios requiring orthogonal layout, reverse self-locking, and wide speed ratio transmission. As a specialized precision product in Weigao's planetary transmission lineup, this series addresses the pain points of limited installation space, lack of safety locking, and narrow speed ratio range of traditional reducers in lifting, flipping, and vertical transmission scenarios. Compliant with international precision transmission standards and certified by ISO 9001 quality management system and IP65 protection level, it integrates optimized orthogonal NGW planetary structure, self-locking gear design, and lightweight high-rigidity housing. The product features 90° vertical layout, reliable reverse self-locking, wide speed ratio coverage, and stable low-speed operation, capable of stably operating in temperature ranges from -25℃ to +90℃. It is widely applied in medical lifting equipment, precision testing platforms, automated warehouse stackers, and electronic component assembly machines, providing safe and precise power support for global high-end precision transmission scenarios.
II. Core Advantages
1. Orthogonal NGW Structure, Precision Vertical Transmission
Adopting the optimized orthogonal NGW planetary gear design, the reducer realizes vertical power transmission with input and output shafts distributed at 90°, saving 40% transverse installation space compared with horizontal reducers. Gears are made of high-quality 20CrMnTi alloy steel, processed by deep carburizing and quenching, followed by precision grinding and tooth profile correction, with tooth surface hardness reaching HRC 60-63 and roughness ≤Ra 0.05μm. The unique spiral bevel gear meshing structure ensures a contact area of over 98%, with single-stage back gap controllable to ≤0.8 arcmin, realizing high-precision positioning. Transmission efficiency reaches 95%-98% with a single-stage speed ratio range of 5:1 to 100:1, and multi-stage combination can extend to 1000:1, fully meeting low-speed large-torque transmission requirements without additional speed-increasing components.
2. Full Model Coverage (FGA60-FGA160), Self-Locking Safety Design
The FGA series covers four core models: FGA60, FGA80, FGA120, and FGA160, with rated power ranging from 0.3kW to 80kW and rated torque covering 80Nm to 15000Nm, forming a complete precision orthogonal transmission product matrix. The housing adopts differentiated materials: FGA60-FGA80 use high-strength aluminum alloy for lightweight, while FGA120-FGA160 adopt nodular cast iron for enhanced rigidity. The integrated self-locking structure optimizes the gear lead angle, realizing reliable reverse self-locking when power is cut off, effectively preventing load sliding caused by gravity and ensuring operational safety. Modular interfaces support servo flange input and solid/hollow shaft output, enabling seamless matching with mainstream servo motors and adapting to various vertical layout requirements.
3. Low-Vibration Optimization, Stable Low-Speed Operation
The reducer integrates multiple low-vibration designs, including gear drum shape correction, preloaded bearing configuration, and damping material filling in the housing. The optimized meshing angle reduces friction and vibration during low-speed operation, with full-load noise ≤56dB at 1m distance, meeting the silent requirements of medical and laboratory environments. The housing surface is treated with anti-rust and anti-corrosion coating, and the IP65 protection level effectively prevents dust and water spray from entering, ensuring stable operation in clean rooms and workshop environments. Equipped with high-precision double-row angular contact ball bearings, the shaft system reduces radial runout to ≤0.01mm, maintaining smooth operation even at ultra-low speeds (≥5rpm), and extending service life to over 28000 hours under normal working conditions.
4. Wide-Temperature Lubrication System, Low-Maintenance & Durable
The reducer adopts high-performance synthetic grease lubrication for all models, factory-filled with long-acting lubricant suitable for wide-speed ratio operation. The grease has excellent high and low temperature stability, forming a stable oil film on gear surfaces even in extreme temperature and speed conditions, effectively reducing wear. The housing is equipped with a hidden oil level observation window and sealed structure, avoiding lubricant leakage and ensuring clean operation of precision equipment. The lubrication system requires no regular oil change under normal working conditions, with a recommended maintenance cycle of 15000 hours, significantly reducing maintenance costs and downtime. The fully enclosed design supports multi-angle installation, further enhancing layout flexibility in complex equipment.
III. Typical Application Fields
- Medical Equipment: Surgical bed lifting mechanisms, CT machine vertical adjustment devices, self-locking function ensuring patient safety (FGA60-FGA80 for small equipment, FGA120-FGA160 for medium-load equipment)
- Precision Testing: Laboratory precision lifting platforms, electronic component detection equipment, orthogonal layout saving space and ensuring positioning accuracy
- Automated Warehousing: Stereo warehouse stacker lifting mechanisms, realizing stable low-speed lifting and reliable self-locking during power failure
- Electronic Manufacturing: Semiconductor wafer handling machines, component assembly equipment, wide speed ratio adapting to multi-speed operation needs
- Industrial Automation: Equipment flipping mechanisms, vertical conveyors, orthogonal structure adapting to narrow installation space
IV. Key Technical Parameters
| Model Specification | FGA60, FGA80, FGA120, FGA160 |
| Power Range | 0.3kW - 80kW |
| Transmission Ratio | 5:1 - 1000:1 (single/multi-stage optional), single-stage back gap ≤0.8 arcmin, with reverse self-locking function |
| Operating Noise | ≤56dB (1m distance, full load) |
| Operating Temperature | -25℃ - +90℃ |
| Mounting Type | 90° orthogonal layout, servo flange input, solid/hollow shaft output, aluminum alloy/nodular cast iron housing |
V. Installation & Maintenance
Select models based on speed ratio, load capacity, and installation layout. During installation, ensure coaxiality error ≤0.02mm for input/output shafts, and use matching bolts for vertical fixation. Do not disassemble the self-locking structure arbitrarily to avoid safety hazards. The reducer adopts long-acting synthetic grease, no regular oil change required; clean the housing surface regularly to ensure heat dissipation. Check the self-locking performance periodically, and stop immediately for inspection if sliding or abnormal noise occurs, with maintenance performed by professional precision equipment technicians.
Weigao FGA Series Planetary Reducers (FGA60-FGA160) adhere to the design philosophy of "orthogonal precision, safety self-locking, and flexible adaptation", focusing on the core needs of vertical transmission and precision positioning scenarios. With advantages of 90° space-saving layout, reliable reverse self-locking, and wide speed ratio coverage, it breaks through the limitations of traditional reducers in narrow-space and safety-critical applications. The product provides reliable transmission solutions for medical, electronic, and warehousing industries, supported by specialized models and professional after-sales services. Compliant with international precision transmission standards, it is committed to becoming a trusted partner in the global high-end orthogonal transmission field.
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