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Zero Backlash Slew Drive With Hourglass Worm For Parabolic And Trough
Zero Backlash Worm Gear Slewing Drive Description
Zero backlash worm gear slewing drives are mainly used in CSP application like parabolic or trough, it is a kind of heat condensor system which can absorb the heat to a certain chemical and transfer the heat to electricity.
Product Name: VE7
Normal Output Speed: 0.03RPM
Normal Output Torque: 7320 N.m
Max Output Torque: 10980 N.m
Tilting Moment Torque: 8 kN.m
Holding Torque: 39 kN.m
Static axial load: 30 kN
Static radial load: 100 kN
Slewing Drive Ratio: 51:1
Backlash clearance: ＜＝0.15°
IP(Class): 66
Efficiency: 40%
Temperature: -40℃ to+120℃
Reducer Motor Performance Data
Rated Voltage: 24 VDC
Normal Current: < 7.5A
Output Power: 126 W
Output Speed: 1.6 RPM
Output Torque: 359 N.m
Max Output Torque: 538 N.m
Noise: <65 dB
Advantages
1. Rotation 360 degrees
2. Connection of a driving motor from the left or right side,
3. During installation, it is not necessary to adjust the gearing clearance; this is already set by the producer before factory
4. Simple installation and low maintenance
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 accuracy
Zero Backlash Worm Gear Vertical Slewing Drive Specifications
| 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 |
Application Scope
Typical applications include solar trackers, wind turbines, satellite and radar dishes, truck cranes, man lifts, utility equipment, hydraulic equipment attachments, oil tool equipment, tire handlers, digger s, and automotive lifts.
