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Self Locking Solar Slewing Drive For CSP Concentrated Solar Tracking System
Solar Slewing Drive Description
The slewing bearing is mainly composed of ferrules, rolling
elements, cages, sealing rings, etc. Since different parts have
special functions in practical applications, there are different
considerations in the design and selection of materials.
In general, the rolling elements of the slewing ring are made of
carbon-chromium bearing steel which is hardened as a whole. The
slewing bearing ring is made of surface hardened steel. When the
user has no special requirements, it is generally made of 50Mn
steel. However, sometimes in order to meet the needs of the host in
some special applications, other grades of surface can also be
selected according to the specific use conditions provided by the
user. Hardened steel, such as 42CrMo, 5CrMnMo, etc.
Vertical Slew Drive Performance Parameters
| Model | Ratio | Rated Output Torque | Tilting Torque | Axial Load | Radial Load | Holding Torque | Efficiency | Precision | Self-locking | Weight |
| N.m | N.m | kN | kN | N.m | degree | Yes | kg | |||
| 3" | 31:1 | 300 | 1500 | 3.6 | 15 | 7000 | 40% | ≤0.1 | Yes | 13kg |
| 5" | 37:1 | 637.5 | 5000 | 16 | 27 | 9200 | 40% | ≤0.1 | Yes | 18kg |
| 7" | 57:1 | 1750 | 7000 | 34 | 58 | 13200 | 40% | ≤0.1 | Yes | 28kg |
| 8" | 51:1 | 2250 | 11200 | 50 | 80 | 20400 | 40% | ≤0.1 | Yes | 35kg |
| 9" | 61:1 | 4300 | 16000 | 60 | 130 | 27200 | 40% | ≤0.1 | Yes | 51kg |
| 12" | 78:1 | 5600 | 25000 | 77 | 190 | 40560 | 40% | ≤0.1 | Yes | 61kg |
| 14" | 85:1 | 6750 | 48000 | 110 | 230 | 44200 | 40% | ≤0.1 | Yes | 78 kg |
| 17" | 102:1 | 9460 | 67000 | 142 | 390 | 53040 | 40% | ≤0.1 | Yes | 105 kg |
| 21" | 125:1 | 16000 | 89000 | 337 | 640 | 65000 | 40% | ≤0.1 | Yes | 185 kg |
| 25" | 150:1 | 21450 | 112000 | 476 | 950 | 89000 | 40% | ≤0.1 | Yes | 244 kg |
Features
1. Rotate from 0~180°
2. Connect a driving motor on the left or right side
3. Grease had been filled before factory
4. Simple installation
5. Rational space utilization
6. The gear is self-locking; therefore a brake is not necessary
7. Easy and fluent method of starting and stopping
8. High backholding torque, suitable for vertical installation
9. Low maintenance
