The Planetary gearbox, also known as an epicyclic gearbox, is a high-precision reduction gear system widely used in industrial applications for its compact design, high torque density, and efficiency. This gearbox consists of a central sun gear, multiple planet gears, a ring gear, and a carrier. The planetary arrangement allows for load distribution across multiple gears, resulting in smooth operation and durability under heavy loads.
Our planetary gearboxes are engineered to meet rigorous standards, offering superior performance in various sectors including robotics, automotive, aerospace, and renewable energy. Below, we detail the key parameters and specifications of our products to help you make an informed decision.
Key Features of Our Planetary Gearbox
- High Torque Capacity: Designed to handle heavy loads with minimal backlash.
- Compact Size: Space-saving design ideal for applications with limited installation space.
- High Efficiency: Achieves efficiency ratings up to 97% due to low friction and optimized gear meshing.
- Durability: Constructed from high-strength materials such as hardened steel for long service life.
- Versatility: Available in various ratios and configurations to suit different applications.
- Smooth Operation: Provides quiet and vibration-free performance.
Detailed Product Parameters
Our planetary gearboxes come in multiple series, each tailored for specific requirements. The tables below outline the technical specifications.
Standard Series Parameters
| Model | Gear Ratio Range | Rated Torque (Nm) | Max Torque (Nm) | Efficiency (%) | Weight (kg) |
|---|---|---|---|---|---|
| PG-100 | 3:1 to 100:1 | 50 | 100 | 95 | 2.5 |
| PG-200 | 5:1 to 200:1 | 150 | 300 | 96 | 5.0 |
| PG-300 | 10:1 to 300:1 | 500 | 1000 | 97 | 10.0 |
High-Precision Series Parameters
| Model | Backlash (arcmin) | Gear Ratio | Rated Input Speed (rpm) | Operating Temperature (°C) | Protection Rating |
|---|---|---|---|---|---|
| PG-HP100 | < 3 | 3:1 to 50:1 | 5000 | -20 to 90 | IP65 |
| PG-HP200 | < 5 | 5:1 to 100:1 | 4000 | -30 to 100 | IP67 |
| PG-HP300 | < 7 | 10:1 to 200:1 | 3500 | -40 to 110 | IP68 |
FAQs About Planetary Gearbox
What is a planetary gearbox and how does it work?
A planetary gearbox is a type of gear system that includes a central sun gear, planet gears mounted on a carrier, and an outer ring gear. The sun gear drives the planet gears, which rotate around it while also meshing with the ring gear, resulting in torque multiplication and speed reduction based on the gear ratios.
What are the main advantages of using a planetary gearbox?
The main advantages include high torque density, compact size, excellent efficiency, load distribution across multiple gears reducing wear, low backlash, and smooth operation. These make them ideal for applications requiring precision and reliability.
How do I select the right planetary gearbox for my application?
Consider factors such as required torque, speed, gear ratio, backlash tolerance, environmental conditions (e.g., temperature, moisture), and space constraints. Review our product parameters tables and consult with our engineering team for tailored recommendations.
What maintenance is required for a planetary gearbox?
Regular maintenance includes checking for lubrication levels, inspecting gears for wear, and ensuring proper alignment. Many of our models are designed for minimal maintenance with sealed units and long-life lubricants, but specific intervals depend on usage conditions.
Can planetary gearboxes be used in high-temperature environments?
Yes, our high-precision series are rated for operating temperatures from -40°C to 110°C, with options for special seals and lubricants to handle extreme conditions. Always verify the specifications for your specific model.
What is the typical lifespan of a planetary gearbox?
With proper installation and maintenance, our planetary gearboxes can last over 20,000 hours of operation. Lifespan varies based on load, speed, and environmental factors; our durability tests ensure reliability under standard conditions.
Are custom planetary gearbox configurations available?
Yes, we offer custom solutions including specific gear ratios, materials, shaft configurations, and protection ratings. Contact our support team with your requirements for a quote.
How does backlash affect performance?
Backlash refers to the slight movement between meshed gears when direction changes. Low backlash is crucial for precision applications like robotics to ensure accurate positioning. Our high-precision models minimize backlash to under 5 arcmin.
What industries commonly use planetary gearboxes?
They are used in robotics, automotive transmissions, wind turbines, aerospace systems, industrial machinery, and medical devices due to their efficiency and compact design.
Do you provide technical support for installation?
Yes, we offer comprehensive technical support including installation guides, CAD models, and direct assistance from our engineers to ensure optimal performance and integration.
