Se Series Worm Gear Slew Drive With High Strength Bolts For Solar Tracking System
Product Description
Slewing bearing,slewing ring bearing As technology has improved, more slewing drives are using hourglass worm technology, in which the worm is shaped to engage more teeth in the gear
This increased tooth engagement results in greater strength, efficiency and durability.The slewing drive uses standard worm technology in which the worm on the horizontal The speed ratio of the shaft depends on the relationship between the number of threads on the worm and the number of teeth in the worm gear or gear.
Performace of SE Series
| 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) |
| 1” | 32:1 | 400 | 1000 | 1800 | 22 | 12 | 40% | ≤0.1 | Yes | 6 |
| 3” | 31:1 | 600 | 1500 | 3000 | 30 | 16 | 40% | ≤0.1 | Yes | 8 |
| 5” | 37:1 | 800 | 6000 | 9200 | 68 | 27 | 40% | ≤0.1 | Yes | 12 |
| 7” | 57:1 | 2000 | 13500 | 13200 | 132 | 58 | 40% | ≤0.1 | Yes | 21 |
| 9” | 61:1 | 4400 | 45000 | 30800 | 340 | 130 | 40% | ≤0.1 | Yes | 49 |
| 12” | 78:1 | 5800 | 54400 | 40560 | 480 | 190 | 40% | ≤0.1 | Yes | 61 |
| 14” | 85:1 | 6550 | 68000 | 54200 | 680 | 230 | 40% | ≤0.1 | Yes | 63 |
| 17” | 102:1 | 9400 | 135600 | 65040 | 980 | 390 | 40% | ≤0.1 | Yes | 105 |
| 21” | 125:1 | 16000 | 203400 | 81000 | 1600 | 640 | 40% | ≤0.1 | Yes | 149 |
| 25” | 150:1 | 21000 | 271160 | 89000 | 2400 | 950 | 40% | ≤0.1 | Yes | 204 |
Installation of the Slew Drive
1.Clean the mounting structure, e.g. from welding, galvanizing, residues, dirt, etc.
2.Lift the slew drive with eye bolts.
3.The slew drive shall be mounted in unloaded condition.
4.The following procedure shall be followed in order to avoid deviations between bolt tightening forces.
5.Apply thread lock liquid to threads.
6.Lay thread lock liquid on thread gap requesting fitting parts fully.
7.Preload the bolts crosswise. See the general pattern in sketch below of how bolts get torque in crosswise sequence. Start with either inner or outer ring. Do the crosswise torqueing of all bolts to 30% of tightening torque. Then repeat crosswise torque to 80% of tightening torque. Finally crosswise torque to 100% of the tightening torque.
1.First completely torque inner or outer ring, then do the other ring.
2.Once the screw is tightened, please permanently mark the position of the screw head to that of the stationary structure. This will be used later during inspection to be sure the screw head has not unwound.
Application
There are many applications where a rotary drive can be used, primary because it is well suited for applications that require load to maintain power and rotational torque.
Typical swing drive applications include, but are not limited to:
1.Solar tracker
2.Wind Turbines
3.Men's lift
4.Hydraulic machinery
5.Telehandler
6.Excavator
7.Lift
8.Crane
9.Drilling equipment
10.Military equipment
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Worm Gear Solar Slew Drive , Solar Tracker Drive With High Strength Bolts Images
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