SE Series Worm Gear Slew Drive with High Efficiency for Solar
Tracking System
SE Slewing Drive 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.
Applications
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
