Precision Gearbox
Your Leading Precision Gearbox Supplier
Dongguan Ruixin Automated Equipment Co., Ltd. is a professional manufacturer of precision transmission components for industrial automation, including reducers, hollow rotary platforms, and gear racks. Our rotary indexer tables come in a variety of types, including rotator tables, hollow rotary actuators, and hollow shaft servo motors. These products are widely used in robotics, CNC machine tools, semiconductor equipment, and logistics automation, and we can guarantee a stable, long-term supply.
Why Choose Us?
Advanced Equipment
Ruixin Automation operates a complete manufacturing chain with high-precision processing and testing equipment imported from Germany and Japan, including ZEISS CMMs and Osaka Precision gear testing systems. This ensures stable quality, accurate tolerances, and reliable product consistency for long-term supply.
Professional Service
Our service goes beyond after-sales support and focuses on pre-sales technical consultation and product customization. We work closely with customers to understand application needs, helping reduce purchasing risk and improve project efficiency.
Professional Team
With over 300 employees, our team maintains strict control over product quality and service processes. A dedicated and well-trained after-sales service team ensures clear communication, timely response, and reliable support throughout the product lifecycle.
Broad Market
Our automation equipment is supplied to customers in Europe, North America, and Asia, including markets such as Germany, Italy, the United States, Canada, the United Kingdom, and Southeast Asia. Stable performance and consistent delivery have earned long-term cooperation and positive feedback from international buyers.
Types of Precision Gearbox
Precision Planetary Gearbox
Our Precision Planetary Gearbox is the ideal combination of a precision planetary gearbox and efficient bearing technology. It was designed specifically to achieve maximum performance at high speed. Thanks to the helical gearing,it operates particularly smoothly -and is quieter than average.
High Precision Planetary Gearbox
The high precision planetary gearbox is a precision mechanical component that integrates high-efficiency transmission and precise positioning functions. It mainly adopts a planetary gear train structure and helical gear transmission design, combined with precision machining processes such as carburizing and quenching, and tooth profile modification, boasting high rigidity, low noise, and strong load-bearing capacity.
Specifications of Precision Gearbox
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GEAR BOX PERFPRMANCE INFORMATION |
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|
Specifications |
Unit |
Stage |
Ratio |
PGHR042 |
PGHR060 |
PGHR090 |
PGHR115 |
PGHR142 |
PGHR180 |
PGHR220 |
|
Inertia |
Kg. |
1 |
3 |
0.06 |
0.23 |
0.98 |
2.36 |
10.1 |
31 |
79.63 |
|
4 |
0.06 |
0.18 |
0.68 |
1.68 |
7.3 |
26 |
59.3 |
|||
|
5 |
0.06 |
0.17 |
0.66 |
1.55 |
6.58 |
23.8 |
54.86 |
|||
|
6/7/8 |
0.05 |
0.15 |
0.6 |
1.48 |
6.22 |
23 |
54.32 |
|||
|
9/10/14/18/20 |
0.06 |
0.14 |
0.58 |
1.45 |
6.15 |
22.9 |
54 |
|||
|
2 |
12/15/18/20/15 |
0.05 |
0.18 |
0.68 |
2.4 |
6.52 |
24.27 |
54.37 |
||
|
30/35/40 |
0.05 |
0.15 |
0.68 |
1.68 |
6.52 |
23.82 |
54.37 |
|||
|
45/50/70 |
0.05 |
0.15 |
0.6 |
1.51 |
6.21 |
22.94 |
53.3 |
|||
|
80/90/100 |
0.05 |
0.14 |
0.6 |
1.41 |
6.1 |
22.75 |
52.45 |
|||
Advantages of Precision Gearbox

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High Positioning Accuracy
Industrial robots and automation systems must guarantee accurate movements. A precision gearbox is essential to minimize positioning errors, ensuring that every movement is executed with maximum precision.
-
Torsional Rigidity and Stability
In production processes, gearboxes must maintain high torsional rigidity to avoid deformations and oscillations during use, allowing the robot to work accurately, even under variable loads.
-
Low Inertia
A low moment of inertia in gearboxes allows the system to respond quickly to load changes, improving dynamic efficiency. This is especially important in applications where movements must be fast and repeatable.
-
Durability and Reliability
Industrial applications require gearboxes to operate for extended periods without issues, minimizing maintenance. For this reason, they must be constructed from high-quality materials and have a load capacity that ensures long operational life.
Application of Precision Gearbox
Robotics
Precision planetary gearboxes are used in robotic arms and joints, providing high torque and accurate positioning for precise movements.
01
Aerospace
In aerospace applications, these gearboxes are utilized in flight control systems and actuators, where reliability and precision are critical.
02
Industrial Automation
They are integral to conveyor systems, CNC machines, and automated manufacturing equipment, enabling smooth and efficient operation.
03
Medical Devices
Precision planetary gearboxes are employed in surgical robots and other medical equipment, ensuring accurate control and reliability during critical procedures.
04
Electric Vehicles
These gearboxes are used in electric drivetrains, optimizing torque and efficiency while maintaining compactness and lightweight design.
05
Maintenance of Precision Gearbox
Visual Inspections
Regular visual inspections help identify potential issues early. Look for:
Leaks: Check for oil or grease leaks, which can indicate seal or gasket failures.
Wear and Tear: Inspect gears, shafts, and other components for signs of wear.
Cleanliness: Ensure the gearbox and surrounding areas are clean to prevent contamination.
Lubrication Management
Proper lubrication is critical for gearbox performance. Key lubrication tasks include:
Regular Oil Changes: Follow the manufacturer's guidelines for oil change intervals.
Oil Analysis: Periodically analyze the oil for contaminants and degradation.
Proper Lubricant Selection: Use the correct type of lubricant as recommended by the manufacturer.
Installation Precautions of Precision Gearbox
Less than 85% (no condensation point); installation site: ambient temperature: -10 °C- +40 °C;
Height: below 1.000M;
No corrosive gas, flammable and explosive gas and steam, no dust, well-ventilated interior place;
Using four bolts, fix the finishing plane on the mounting surface.
DInstallation direction: the grease lubrication technique allows one to install in any direction;
Interact with the colleague;
The hole size tolerance of couplings, pulleys and other connecting components fitted on the reducer should be H7;
When directly linked, it must be guaranteed that the reducer is consistent with the supporting mechanical axis;
The conditions of chain, belt and gear should guarantee that the shaft of the geared motor is parallel with the supporting shaft, and the line connecting the center of the two shafts should be installed along the direction at right angles to the shaft;
Do not slam with a hammer when mounting the accessories on the output shaft to prevent injuring the internal elements of the geared motor.
Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
Packaging & Shipping
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Packaging |
Protective film, cardboard box, wooden crate |
|
Shipping |
By logistics; by shipping; by air. |

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