FAD series planetary reducer(FAD47,FAD64,FAD90,FAD110,FAD140,FAD200)

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The FAD series planetary reducers, including models FAD47, FAD64, FAD90, FAD110, FAD140, and FAD200, are high-performance gear reduction units designed for precision and reliability in industrial applications. These reducers utilize a planetary gear mechanism, which consists of a central sun gear, planet gears, and an outer ring gear, enabling compact design with high torque transmission capabilities.

The FAD series offers a wide speed range (0.1-999 RPM) and high gear ratios (up to 200:1), making them suitable for heavy-duty tasks in automation, robotics, automotive, and aerospace sectors. Constructed from high-strength materials like 42CrMo steel, they ensure durability and long service life, even under demanding conditions.

Additional features include customizable sizes, high efficiency (≥95%), and low backlash (≤6 arcmin for standard models), ensuring precise motion control. The FAD series also supports high radial and axial loads, with a robust design that minimizes maintenance needs.

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FAB series

Description

FAD Series Planetary Reducer (FAD47/FAD64/FAD90/FAD110/FAD140/FAD200): Lightweight Compact & High-Precision Transmission Solution

I. Product Overview

Weigao FAD Series Planetary Reducers, covering full models from FAD47 to FAD200, are lightweight high-precision transmission devices tailored for high-end automation equipment requiring compact installation, ultra-low back gap, and efficient power transmission. As a core product in Weigao's precision planetary series, this series is specifically designed to address the pain points of bulky volume, complex installation, and insufficient precision reserve of traditional planetary reducers in compact automation scenarios. Compliant with international precision planetary gear standards and certified by ISO 9001 quality management system and IP65 protection level, it integrates optimized lightweight NGW-type planetary gear structure, high-strength aluminum alloy housing (small models), and quick-fit modular interfaces. The product features compact volume, ultra-high transmission precision, lightweight design, and easy maintenance, capable of stably operating in temperature ranges from -25℃ to +70℃. It is widely applied in precision servo systems, small industrial robots, automated positioning platforms, electronic manufacturing equipment, and light-load precision transmission scenarios, providing reliable high-precision power support for global high-end automation and electronic manufacturing fields.

II. Core Advantages

1. Optimized Lightweight NGW Structure, Ultra-Precision & High Efficiency

Adopting the optimized lightweight NGW-type planetary gear transmission design, the reducer realizes efficient power transmission through the meshing of precision sun gear, 3-4 high-strength planetary gears, and wear-resistant inner gear ring. The integrated planetary carrier structure reduces overall weight by 30% compared with traditional models, while the symmetric load distribution design ensures uniform stress on each gear, with single-gear stress reduced by 65%. Gears are made of high-quality 20CrMnTi alloy steel, processed by precision forging, carburizing and quenching, and super-precision grinding, with tooth surface hardness reaching HRC 60-63 and roughness ≤Ra 0.08μm. Advanced tooth profile micro-modification technology ensures a meshing contact area of over 98%, with transmission efficiency up to 97%-99%. The transmission ratio range covers 3:1 to 100:1, and the single-stage back gap is ≤0.8 arcmin, fully meeting the ultra-high precision positioning requirements of automation equipment.

2. Full Model Coverage (FAD47-FAD200), Lightweight & Compact Design

The FAD series covers six core models: FAD47, FAD64, FAD90, FAD110, FAD140, and FAD200, with rated power ranging from 0.15kW to 90kW and rated torque covering 20Nm to 18000Nm, forming a complete lightweight precision product matrix. The housing adopts differentiated materials: FAD47-FAD90 use high-strength anodized aluminum alloy (weight reduced by 40% vs cast iron), while FAD110-FAD200 adopt lightweight nodular cast iron for balanced rigidity and weight. The compact integrated structure has a volume 28% smaller than that of traditional reducers with the same torque, easily fitting into the limited installation space of small robots and precision platforms. Modular input/output interfaces support servo motor quick connection, hollow shaft with locking disk, and spline shaft output, enabling fast matching with various servo systems.

3. High-Rigidity Lightweight Housing, Reliable Protection & Stability

The lightweight housing is optimized through finite element simulation, with reinforced rib structures at key stress points to ensure high rigidity while reducing weight. The aluminum alloy housing of small models adopts anodized anti-corrosion treatment, while large models use anti-rust high-temperature coating, adapting to general industrial environments. The IP65 protection level effectively prevents dust and water spray from entering, ensuring stable operation in electronic manufacturing clean rooms and automation workshops. The planetary carrier adopts a one-piece forging structure, with torsion stiffness ≥6Nm/arcmin, ensuring stable transmission under high-speed dynamic load conditions. Equipped with high-precision angular contact ball bearings with preload, the shaft system operates smoothly with low friction, and the service life exceeds 22000 hours under normal working conditions.

4. Modular Lubrication & Quick-Fit Design, Easy Maintenance

The reducer adopts maintenance-free grease lubrication for small models (FAD47-FAD90) and oil bath lubrication for large models (FAD110-FAD200), factory-filled with special high-precision transmission lubricants for immediate use. The housing is equipped with a hidden oil level observation window and quick-opening oil drain port, facilitating routine inspection and maintenance. The modular quick-fit design supports fast installation without complex tools, with positioning accuracy error controllable within 0.02mm. Sealing parts adopt high-quality imported oil seals and O-rings, effectively preventing lubricant leakage and ensuring clean operation of precision equipment. The recommended maintenance cycle is 10000 hours for oil-lubricated models and lifelong maintenance-free for grease-lubricated models, significantly reducing operation and maintenance costs.

III. Typical Application Fields

Small Industrial Robotics: Collaborative robot joints, small articulated robot arms (FAD47-FAD64 for micro-joints, FAD90-FAD110 for medium joints)
Precision Automation: CNC machine tool feed shafts, automated positioning platforms, ensuring ultra-high positioning accuracy
Electronic Manufacturing: Semiconductor packaging equipment, PCB processing machines, electronic component sorting equipment
Servo Systems: High-precision servo motor matching, servo positioning mechanisms, adapting to high-speed response requirements
Light-Load Precision Transmission: Medical precision instruments, laboratory automation equipment, small precision conveyor systems

IV. Key Technical Parameters

Model Specification	FAD47, FAD64, FAD90, FAD110, FAD140, FAD200
Power Range	0.15kW - 90kW
Transmission Ratio	3:1 - 100:1 (stepless selection according to model), single-stage back gap ≤0.8 arcmin
Operating Noise	≤56dB (1m distance, no-load)
Operating Temperature	-25℃ - +70℃
Mounting Type	Servo motor quick flange connection, solid shaft/hollow shaft/spline shaft output

V. Installation & Maintenance

Select the corresponding model (FAD47-FAD200) according to load, precision, and space requirements. During installation, ensure the coaxiality error between the reducer and motor is ≤0.02mm to protect precision. Use matching quick-fit bolts to fix the reducer, avoiding additional stress. Grease-lubricated models (FAD47-FAD90) are maintenance-free for life; oil-lubricated models (FAD110-FAD200) use 220# precision transmission gear oil and replace it every 10000 hours. Keep the housing clean to ensure heat dissipation, and avoid contact with corrosive substances. Stop the machine immediately for inspection if abnormal noise, vibration, or lubricant leakage occurs.

Weigao FAD Series Planetary Reducers (FAD47-FAD200) adhere to the design philosophy of "lightweight compactness, ultra-high precision, and easy adaptation", focusing on the core needs of high-end automation and electronic manufacturing. With the advantages of lightweight design, ultra-low back gap, and modular quick installation, it breaks through the limitations of traditional reducers in compact precision scenarios. The product provides high-reliability transmission solutions for small robots, precision automation equipment, and electronic manufacturing lines, supported by complete standardized 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 lightweight precision transmission field.

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