Changzhou Hangtuo Mechanical Co., Ltd
Providing Innovative and Cost-effective Slewing Drives
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Worm Geared Hydraulic Slewing Drive For High Torque Construction Machinery
Worm Geared Hydraulic Slewing Drive Description
In the industry, there are many models of rotary drives with different series. The SE series is a common category. This range of slewing drives generally features a low cost enclosed design with lip seals, slewing ring assemblies, 360-degree rotation, and a self-locking gear set. Select models feature a dual worm gear design for increased torque capability. Furthermore, the device can also meet the application requirements in a high humidity environment, so that it is not easily affected by wet weather or even heavy rain.
In addition, SE slewing drive utilizes hourglass worm drive technology and adopts a multi-gear contact hourglass worm structure with good impact resistance, which is suitable for more precise applications to achieve maximum gear torque and most stable rotation. A standard swing drive is equipped with an open housing and a single self-locking hourglass worm. When the power input is returned to neutral, the worm will lock the load in place without any external braking. This design makes the SE slewing drive an ideal solution for matching the relative rotation of two objects.
Performance Parameters of SE Series
| Model | Ratio | Rated Output Torque | Tilting Torque | Holding Torque | Axial Load | Radial Load | Efficiency | Precision | Self-locking | Weight |
| N.m | N.m | N.m | kN | kN | degree | Yes | kg | |||
| 1" | 31:1 | 400 | 1000 | 1800 | 22 | 12 | 40% | ≤0.1 | Yes | 6 |
| 3" | 31:1 | 300 | 1500 | 7000 | 30 | 15 | 40% | ≤0.1 | Yes | 9 |
| 5" | 37:1 | 637.5 | 6000 | 9200 | 68 | 27 | 40% | ≤0.1 | Yes | 14 |
| 7" | 57:1 | 1750 | 10500 | 13200 | 132 | 58 | 40% | ≤0.1 | Yes | 23 |
| 9" | 61:1 | 4300 | 49900 | 30800 | 340 | 130 | 40% | ≤0.1 | Yes | 44 |
| 12" | 78:1 | 5600 | 54400 | 40560 | 480 | 190 | 40% | ≤0.1 | Yes | 51 |
| 14" | 85:1 | 6750 | 135000 | 44200 | 680 | 230 | 40% | ≤0.1 | Yes | 62 |
| 17" | 102:1 | 9460 | 203000 | 53040 | 980 | 390 | 40% | ≤0.1 | Yes | 85 |
| 21" | 125:1 | 16000 | 271000 | 65000 | 1600 | 640 | 40% | ≤0.1 | Yes | 141 |
| 25" | 150:1 | 21450 | 346000 | 89000 | 2400 | 950 | 40% | ≤0.1 | Yes | 182 |
Advantages
1. Use skeleton oil seal to avoid oil leakage efficiently
2. The mounting dimension designed could match many applications.
3. Easy maintenance
4. Adopt worm gear structure which has strong adhesion and driving torque