Changzhou Hangtuo Mechanical Co., Ltd
Providing Innovative and Cost-effective Slewing Drives
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Single Axis Slew Drive With Electric Motor 30 Years Field Life PV Solar Tracking System
Single Axis Slew Drive Description
The main purpose of a slew drive is to enable the rotation of a load around a fixed axis or to track the movement of a target. It offers a high torque output and the ability to withstand heavy axial and radial loads. Slew drives are commonly used in machinery and equipment that require precise and continuous rotation, such as solar tracking systems, cranes, wind turbines, satellite dishes, excavators, and industrial turntables. Slew drives are designed to provide precise motion control and high torque output while maintaining compact dimensions. They often incorporate worm gears or other types of gearing systems to achieve this. The gear ratio of a slew drive determines the speed and torque characteristics of the rotation. By adjusting the gear ratio and controlling the motor speed, the rotational speed and positioning accuracy can be tailored to suit specific requirements.
Performace of VE Series Slewing Drive
| Model | Ratio | Rated Output Torque(N.m) | Tilting Torque(N.m) | Holding Torque(N.m) | Axial Load(kN) | Radial Load(kN) | Efficiency | Precision(°) | Self-locking | Weight(kg) |
| 3" | 31:1 | 600 | 1500 | 1800 | 22 | 15 | 40% | ≤0.1 | Yes | 12 |
| 5" | 37:1 | 800 | 5000 | 9200 | 16 | 27 | 40% | ≤0.1 | Yes | 18 |
| 7" | 57:1 | 1750 | 7000 | 13200 | 34 | 58 | 40% | ≤0.1 | Yes | 32 |
| 8" | 51:1 | 2250 | 11200 | 20400 | 50 | 80 | 40% | ≤0.1 | Yes | 28 |
| 9" | 61:1 | 2250 | 16000 | 30800 | 60 | 130 | 40% | ≤0.1 | Yes | 52 |
| 12" | 78:1 | 4300 | 25000 | 40560 | 77 | 190 | 40% | ≤0.1 | Yes | 65 |
| 14" | 85:1 | 5600 | 48000 | 44200 | 110 | 230 | 40% | ≤0.1 | Yes | 88 |
| 17" | 102:1 | 6750 | 67000 | 53040 | 142 | 390 | 40% | ≤0.1 | Yes | 135 |
| 21" | 125:1 | 16000 | 89000 | 65000 | 337 | 640 | 40% | ≤0.1 | Yes | 192 |
| 25" | 150:1 | 21450 | 112000 | 89000 | 476 | 950 | 40% | ≤0.1 | Yes | 251 |
Features
Realize unlimited circumferential rotation and speed reduction
Withstand larger axial force, radial force and overturning force
High accuracy, compact structure and large carrying capacity.
Applications
Slewing drive application are usually found in such as:
Solar Tracking Systems: Slewing drives are extensively used in solar tracking systems to ensure that solar panels or mirrors accurately follow the sun's movement throughout the day. These systems enhance the energy efficiency of solar power generation by optimizing the capture of sunlight.
Construction and Heavy Equipment: Slewing drives are employed in construction machinery, such as cranes, excavators, and drilling rigs. They enable the rotation and movement of the equipment arms, providing precise control and stability while handling heavy loads.
Wind Turbines: Slewing drives are crucial components in wind turbines, where they enable the yaw and pitch movements. The yaw drive facilitates the horizontal rotation of the entire turbine to face the wind, while the pitch drive adjusts the angle of the turbine blades for optimal wind capture.