0.1° Accuracy Slewing Drive For Precise High Output Torque PV Tracking Applications
Product Description
A slewing drive, also known as a slew drive or slew bearing drive, is a mechanical component used in various applications to enable the controlled rotation of a load around a central axis. These devices are commonly found in industrial machinery, solar tracking systems, wind turbines, construction equipment, and other applications where controlled and precise rotation is required.
Key features and components of a slewing drive include:
Main Housing: The slewing drive typically consists of a sturdy, compact housing that contains all the internal components. The housing is designed to withstand heavy loads and environmental conditions.
Central Axis: At the core of the slewing drive is a central axis, often referred to as the worm gear, which serves as the pivot point for the rotational movement.
Gear Mechanism: The primary function of the slewing drive is to convert rotary motion into angular motion. This is achieved through a gear mechanism, typically consisting of a worm screw and a ring gear.
Drive Motor: To control the rotation of the slewing drive, an external drive motor is usually attached. The motor provides the necessary torque and power to rotate the load.
Bearings: High-quality bearings are crucial components of a slewing drive. They provide support and reduce friction, enabling smooth and efficient rotation. Some slewing drives feature multiple rows of bearings for enhanced stability.
Seals and Lubrication: To protect the internal components from dust, dirt, and moisture, slewing drives are equipped with seals and gaskets. Proper lubrication is essential to reduce wear and ensure long-term reliability.
Mounting Flange: Depending on the application, a mounting flange may be included to attach the slewing drive securely to the surrounding structure.
Output Gear: Some slewing drives have an output gear, which is connected to the load that needs to be rotated. This gear can be customized to suit the specific requirements of the application.
Slewing drives are designed to handle heavy loads and offer precise control over rotation, making them ideal for various applications that require controlled motion. Their versatility, durability, and ability to support both axial and radial loads make them valuable components in industries such as construction, renewable energy, and manufacturing.
Technical Parameters
| Model | Rated Output Torque (N.m) | Holding Torque (kN.m) | Tilting Torque (kN.m) | Axial Load (kN) | Radial Load (kN) | Ratio | Efficiency | Precision (Degree) | IP | Working Tep(℃) | Self-locking | Weight (kg) |
| 3" | 806 | 9 | 5 | 22 | 15 | 31:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 12kg |
| 5" | 962 | 30 | 6 | 16 | 27 | 37:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 18kg |
| 7" | 7344 | 60 | 10 | 34 | 58 | 51:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 32kg |
| 8" | 8000 | 70 | 14 | 50 | 80 | 50:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 28kg |
| 9" | 8784 | 80 | 16 | 60 | 130 | 61:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 52kg |
| 12" | 11232 | 100 | 25 | 77 | 190 | 78:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 65kg |
| 14" | 12240 | 120 | 48 | 110 | 230 | 85:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 88 kg |
| 17" | 14688 | 136 | 67 | 142 | 390 | 102:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 135 kg |
| 21" | 18000 | 140 | 89 | 337 | 640 | 125:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 192 kg |
| 25" | 21600 | 150 | 112 | 476 | 950 | 150:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 251 kg |
Applications
Slewing drives are multi-functional components used in a variety of industries and applications across the world, as they provide controlled rotation, precise positioning and load-bearing capacity. One of the key benefits of slewing drives is their versatility; they can be found from solar tracking systems for power generation to heavy mining equipment. Here are 16 examples of applications for slewing drives.
1. Solar Tracking Systems: Slewing drives are used to orient solar panels and arrays to maximize energy capture and improve their efficiency.
2. Wind Turbines: They enable control of the nacelle and blades’ orientation so that a wind turbine efficiently harnesses wind energy.
3. Construction Equipment: Slewing drives offer precise control for backhoes, cranes or concrete pumps over the boom, arm or bucket rotation.
4. Agricultural Machinery: Combine harvesters and irrigation systems employ slewing drives to power movement and positioning of various components.
5. Material Handling: Slewing drives are employed in conveyor systems, material loaders and stackers to control conveyor belts.
6. Rotary Tables: In industrial and machining processes, they are used in rotary tables to grant precise control over workpieces during machining.
7. Marine and Offshore Equipment: Slewing drives are necessary in ship cranes, offshore drilling rigs and vessel positioning systems to rotate loads and equipment.
8. Aerial Work Platforms: They are essential in lift platforms and bucket trucks, allowing access to elevated areas.
9. Renewable Energy: In addition to wind and solar, slewing drives are used in tidal and wave energy systems to orient energy-capturing devices.
10. Satellite Dishes: They help in the pointing and tracking of satellite dishes in order to maintain communication.
11. Broadcasting and Surveillance: Radio and television broadcasting antennas and surveillance camera systems use slewing drives to move the antenna or camera.
12. Automated Manufacturing: They play a key role in automated manufacturing processes where rotational movement and precise control are needed.
13. Defense and Aerospace: Missile launchers, radar systems and telescopes have slewing drives to control their orientation.
14. Entertainment Industry: They can be found in amusement park rides, including Ferris wheels and rotating platforms.
15. Telescopes and Observatories: A stronomical observatories and telescopes utilize them to point at and track celestial objects.
16. Mining and Quarrying Equipment: Heavy mining equipment, such as bucket-wheel excavators and stacker-reclaimers use slewing drives to move and position their components.
These examples show the versatility of slewing drives and their importance for efficient and safe operation.
Packing and Shipping
Packaging and Shipping for Solar Tracker Slew Drive:
The product is placed in a durable plywood box and securely sealed.
The box is then placed in an outer cardboard container.
The outer container is sealed with a waterproof plastic wrap.
The package is marked with the product name and company logo.
The package is shipped via air or sea freight, depending on the customer's location.
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0.1° Accuracy Solar Slewing Drive For Precise High Output Torque PV Tracking Images
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