The High Precision Planetary Gearbox Replacement of APEX AE120, also known as servo motor planetary gearbox and low backlash planetary gearbox, is a precision gearbox used in various industrial applications. It is a highly efficient gearbox with a compact and sturdy structure, designed to provide maximum output torque while maintaining high accuracy.
Our company produces a High Precision Planetary Gearbox that can replace the APEX AE120 model. Our gearbox has similar installation methods, external dimensions, and technical parameters compared to the APEX brand. However, we do not sell products under the APEX brand, and we only mention APEX model numbers for convenience in selecting products.
| 1-stage | 2-stage | |
|---|---|---|
| Output torque | 20-200 Nm | 60-600 Nm |
| Ratios (for different output torque) | 3,4,5,6,7,8,9,10,12,15,20 | 3,4,5,6,7,8,9,10,12,15,20,25,30,40,50,60,80,100 |
| Emergency stop torque | 2.5 times of rated output torque | 2.5 times of rated output torque |
| Nominal input speed | 3000 rpm | 3000 rpm |
| Max input speed | 6000 rpm | 6000 rpm |
| Micro backlash | ≤3 arcmin | ≤5 arcmin |
| Reduced backlash | ≤5 arcmin | ≤7 arcmin |
| Standard backlash | ≤7 arcmin | ≤10 arcmin |
| Torsional rigidity | 7-670 Nm/arcmin | 21-2600 Nm/arcmin |
| Max radial load | 4000 N | 7000 N |
| Max axial load | 2000 N | 3500 N |
| Service life | >20000 hours | >20000 hours |
| Efficiency | >95% | >90% |
| Weight | 1.3-26 kg | 4.4-95 kg |
| Operating temp | -25 to 90 °C | -25 to 90 °C |
| Lubrication | Lubricated for life | Lubricated for life |
| Degree of gearbox protection | IP65 | IP65 |
| Mounting position | Any | Any |
| Noise | ≤65 dB(A) | ≤70 dB(A) |
We can also customize different sizes based on customer requirements.

High precision: Our High Precision Planetary Gearbox has a high level of accuracy, ensuring the output torque meets specific requirements.
Low backlash: Our gearbox has a low level of backlash, which reduces the positioning error and provides high precision during operation.
High efficiency: Our gearbox has high transmission efficiency, which can reduce energy consumption and provide cost savings.
Compact structure: Our gearbox has a compact structure, which saves space and facilitates installation.
Stable performance: Our gearbox has a stable performance, which guarantees continuous and reliable operation.
Long service life: Our gearbox has a long service life, which reduces replacement frequency and maintenance costs.
Low noise: Our gearbox has a low noise level, which improves the working environment and reduces noise pollution.
Our High Precision Planetary Gearbox is widely used in the following applications:
In CNC machines, our gearbox provides high precision, low backlash, and high efficiency, ensuring stable and reliable operation. In robotics, our gearbox provides high torque transmission and positioning accuracy, making it suitable for different types of robots. In automation equipment, our gearbox can handle high-speed and high-torque transmission, meeting the needs of various automated processes. In medical equipment, our gearbox provides stable and reliable operation, ensuring patient safety. In packaging equipment, our gearbox provides high torque and low noise, improving the efficiency and quality of packaging. In textile machinery, our gearbox provides high transmission efficiency and smooth operation, ensuring the stability of production.


We, Raydafon, are a professional manufacturer of power transmission equipment, located in Ningbo, Zhejiang. We operate strictly according to the international quality management system standard ISO90012015, and our products have passed the mandatory CCC certification in China and the CE certification of the European Union. Our products are produced according to international IC standards and have reached an advanced level among similar products in the world.
Our advantages include:
With our expertise, experience, and commitment, we provide our customers with high-quality and reliable power transmission equipment, including our High Precision Planetary Gearbox Replacement of APEX AE120, which meets the diverse needs of various industries.
Author: Miya
Address
Luotuo Industrial Area, Zhenhai District, Ningbo City, China
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