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Enclosed House VE8 Slewing Gear With Electric Planetary Gear Motor For Solar Trackers
Slewing Gear Drive Description
Enclosed solar tracking Slewing Drive have many types such as enclosed type, open housing type, vertical type, dual axis type, high precision type, worm drive type etc. Slewing drive is based on the double enveloping worm gear structure, which featured multi tooth contact designed specially for driving high load. It have strong tilting moment torque and static self-locking function.
The planetary gear reduction gearbox's working principle makes itself to bear a big radial load due to the proportionate distribution of torque. What's more, our slewing drives can attach to different kinds of motors, hydraulic motor, 24vdc/12vdc electric motor, servo motor, stepper motor and we have all series slew gearbox size meet customers' different need and demand.
VE Model Performance Parameters
| VE Model Performance Parameters | ||||||||||||
| Model | Rated Output Torque (N.m) | Holding Torque (kN.m) | Tilting Torque (kN.m) | Axial Load (kN) | Radial Load (kN) | Ratio | Efficiency | Precision (Degree) | IP | Working Tep(℃) | Self-locking | Weight(kg) |
| 3" | 806 | 9 | 5 | 22 | 15 | 31:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 12kg |
| 5" | 962 | 30 | 6 | 16 | 27 | 37:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 18kg |
| 7" | 7344 | 60 | 10 | 34 | 58 | 51:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 32kg |
| 8" | 8000 | 70 | 14 | 50 | 80 | 50:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 28kg |
| 9" | 8784 | 80 | 16 | 60 | 130 | 61:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 52kg |
| 12" | 11232 | 100 | 25 | 77 | 190 | 78:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 65kg |
| 14" | 12240 | 120 | 48 | 110 | 230 | 85:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 88 kg |
| 17" | 14688 | 136 | 67 | 142 | 390 | 102:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 135 kg |
| 21" | 18000 | 140 | 89 | 337 | 640 | 125:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 192 kg |
| 25" | 21600 | 150 | 112 | 476 | 950 | 150:1 | 40% | ≤0.15 | 66 | -40～+80 | Yes | 251 kg |
Installation Precautions
The slewing bearing carries most of the additional force generated
by the rotating construction of mechanical components, and factors
such as large load pressure and harsh working environment have put
forward higher requirements for its performance. In order to ensure
the smooth progress of construction activities, it is very
important to choose high-quality slewing bearing products, and the
details of its installation and use cannot be relaxed.
1. Confirm the quality. Before the slewing bearing is installed, a
careful visual inspection should be done to confirm that the
slewing bearing has not been greatly damaged during transportation,
such as severe corrosion and deformation.
2. Clean up impurities. When there are foreign objects such as sand
particles and iron filings inside the slewing bearing, it will
cause wear to the adjacent components during the operation of the
machine, aperiodic vibration will occur, and there will also be
inflexible rotation failures. Shorten mechanical life.
3. Ensure precision. After the parts are installed, it is necessary
to check the contact between the slewing bearing plane and the
installation plane. If there is a gap, the material that can fill
the gap should be used to fill the gap to prevent the slewing
bearing from being deformed after the bolt is tightened.
