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12 Inch Slew Drive for Ship Lifting Device

Basic Info

Model No.:  Slew Drive

Product Description

Model NO.: Slew Drive The Number of Rows: Single Material: Bearing Steel Model No.: 12 Inch Origine: Luoyang Export Markets: Global Specification: ISO, DNV, SGS Rolling Body: Ball Bearings Outer Dimension: Extra Large (440mm) Separated: Unseparated Brand Name: Ldb or Neutral Packaging Detail: Netural Package, as Your Requ Trademark: LDB Enclosed housing Slewing Drive mainly apply to the relatively high condition for high requirment for dustproof, rain-proof and anti-corrosion occasion. Precision grade IP65.

Introduction:
By adopting Slewing Bearing as its core component, slewing drive can bear axial force, radial force and tilting moment simultaneously. Slewing drive is widely applied in modular trailers, all types of cranes, aerial working platform, solar tracking systems and wind power systems.
Electric and planetary gearboxes can be designed according to customer's requirements. Slewing drive has the advantage for saving space in facilities, max load capacity in a compact design, extensive lifespan, and reduced maintenance costs.
Glossary
1) Tilting Moment Torque: Torque is the load multiplied by distance between the position of load and the center of slewing bearing. If the torque generated by load and distance is greater than the rated tilting moment torque, slewing drive will be overturned.
2) Radial load: Load vertical to the axis of slewing bearing
3) Axial load: Load parallel to the axis of slewing bearing
4) Holding torque: It is the reverse torque. When the drive is rotating reversely, and parts are not damaged,
5) The maximum torque achieved is called holding torque.
6) Self-locking: Only when loaded, the slewing drive is not able to reverse rotate and thus called self-locking.
--Customer can choose the motor according to our already designed slewing drive connect dimension.
--We can design the connect structure according to customer's motor connect dimension.
--We can help to provide the whole parts with Hydraulic motor, DC motor, AC motor, Stepper or Servo motor.
Standard Model Slewing Drive:
A. Enclosed housing (SE Series)
B. Open Housing (S Series)
C. Special Type


Note:
1. Different motors(AC, DC, Hydraulic) can be designed according to customer's requirement.
2. Shaft opposite to motor can choose to be hex head or not hex head.
Model Rated Output Torque
kN.m
Tilting Moment Torque
kN.m
Axial Load
kN
Radial Load
kN
Holding Torque
kN.m
Gear Ratio Tracking Precision Self-locking Gears Weight
kg
SE3 0.4 1.1 30 16.6 2 62:1 ≤0.200 Yes 12 kg
SE5 0.6 3 45 22 5.5 62:1 ≤0.200 Yes 20 kg
SE7 1.5 13.5 133 53 10.4 73:1 ≤0.200 Yes 23 kg
SE9 6.5 33.9 338 135 38.7 61:1 ≤0.200 Yes 49 kg
SE12 7.5 54.3 475 190 43 78:1 ≤0.200 Yes 61 kg
SE14 8 67.8 555 222 48 85:1 ≤0.200 Yes 64 kg
SE17 10 135.6 976 390 72.3 102:1 ≤0.150 Yes 105 kg
SE21 15 203 1598 640 105.8 125:1 ≤0.150 Yes 149 kg
SE25 18 271 2360 945 158.3 150:1 ≤0.150 Yes 204 kg


 
Slewing Drive is also called slewing gear, worm gear, Worm Drive, rotary drive axle, rotary drive vice, slew drive, worm gear reducer and rotary drive unit. At present the majority of such devices are caller Slewing Drive. 

Technical parameter for 12 inch slew drives
1. Type: 12 inch slew drives
2. Self-locking gears: Yes
3. Rated output torque: 11.7kn-m
4. Tilting moment torque: 54.3kn-m
5. Static load rating(axial): 475
6. Static load rating(radial): 190
7. Dynamic load rating(axial): 114
8. Dynamic load rating(radial): 100
9. Gear Ratio: 78: 1
10. Weight: 60kgs
11. Delivery time: 30days

Detailed technical data please kindly contact us directly. 



Slewing drive introduction
1. Introduction of LBD slewing drive

LBD Slewing Drive movement can reduce power consumption, since the security role. In addition to the field of use in the daily solar power systems are usually used for Special vehicle, heavy-duty flat-panel truck, container cranes, truck mounted crane, automobile crane and aerial vehicles, cranes, gantry cranes, small wind power stations, space communications, satellite receiver, etc...The Slewing Drive in the solar photovoltaic industry, the general configuration DC planetary reduction motor or AC geared motors; Main configuration of the hydraulic motor as a power-driven construction machinery
LYHY Slewing Drive principle of the large transmission ratio of the deceleration device to transmit motion and power between the two axes staggered in space. The Slewing Drive transmission is usually the case of the main components of the worm and wheel bearings, shell, and the power source
As the core component of turntable bearings, can withstand the axial load, radial load and overturning moment. 

2. Structure
Slewing drive can be divided into two different structures as per different applications. 
Light load slewing drive
Heavy load slewing drive
The dimensions of slewing drives include 3 inch, 5 inch, 7 inch, 9 inch, 12 inch, 14 inch, 17 inch, 21 inch and 25 inch. 

3. Features: 
Slewing drive is a special bearing. And a slewing drive usually consist of slewing bearing, worm shaft, housing, bearing, motor and so on. Motor drive the worm shaft, the outer ring of slewing bearing will rotate, the outer ring output the torque through flange while the inner ring of slewing bearing is fixed in housing. 
LBD Slewing Drive and rotary products, compared with the ease of installation, ease of maintenance, Installation space savings advantages to a greater extent. 

4. Application: 
Slewing drives are widely used in aerospace area, solar power systems, wind turbines, satellite broadcasting system, and engineering machinery like truck cranes, and man lifts, etc. Recently years, it has been prosperously used in photovoltaic power generation systems, special vehicle, heavy-duty flat-panel truck, container cranes, truck mounted crane, automobile crane and aerial vehicles, cranes, gantry cranes, small wind power stations, space communications, satellite receiver, etc.

Model
Rated output torque /KN-m Tilting Moment torque /KN-m Load /KN Gear ratio Self-locking gears Boundary dimensions (mm) Weight (KG)
Static load rating, axial Static load rating,radial Dynamic load rating, axial Dynamic load rating,radial L L1 L2 L3 H2 H3 H4 ΦD ΦD1 ΦD2 ΦD3 ΦD4 ΦD5 n1-Y n1-X H H1
3" 0.2 0.5 30 16.6 9.6 8.4 62:1 yes 346 153 114 80
14.5 60.5 125 100
100
126 6-M10 6-M10 190 109 12
5" 0.3 0.8 76 22.6 13.8 11.8 62:1 yes 361 168 128 93.7 24.6 7 38 161 135 103.5 70 50 120 6-M10 7-M10 219 79 18
7" 1 13.5 133 53 32 28 73:1 yes 398 182 166 132.7 23.4 4.3 42.5 237.5 203.2 163 120.6 98 145 8-M12 10-M12 295 81 23
9" 7.3 33.9 338 135 81 71 61:1 yes 546 314 239 174.1 29 4.4 54.5 316 270 222.5 175 145 204 16-M16 15-M16 411 108 50
12" 9.2 54.3 475 190 114 100 78:1 yes 556 324 285 220 27 4.4 58.5 401.5 358 308.5 259 229 289 18-M16 19-M16 500 110.5 60
14" 10.5 67.8 555 222 133 117 85:1 yes 547 330 303 238 28 3.5 59 435.5 390 342.5 295 265 325 18-M16 23-M16 530 110 73
17" 14.5 135.6 975 390 235 205 102:1 yes 555 338 340 275.3 26 4.6 66 522 479.4 425.5 365.1 324 406 20-M16 20-M16 615 126 110
21" 20.2 203 1598 640 385 335 125:1 yes 678 461 398 333 3.3 4.5 76 616 584.2 525.5 466.7 431.8 532 36-M20 35-M20 732 136.5 158
25" 22.5 271 2360 945 590 470 150:1 Yes 678 461 467 401.8 6.2 4.5 78.2

Contact us if you need more details on Slew Drive. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Slewing Drive、12 Inch. If these products fail to match your need, please contact us and we would like to provide relevant information.
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