
VE/PE slew drive for solar tracker
October 19, 2023
W series heavy-duty slewing drive device
October 23, 2023SDE/PDE combined slewing drive
(SDE/PDE) The advantages of combined slewing drive systems for horizontal and vertical rotation include precise position control, versatility and adaptability.
The horizontal rotation function allows the structure to rotate in a horizontal plane, usually within a 360-degree range, to suit different application needs. This is important for applications that require tracking targets, positioning equipment, or implementing rotating platforms.
The vertical rotation function allows the structure to move up and down in the vertical plane, usually within a certain range of angles. This vertical rotation is commonly used in applications such as cameras, telescopes and astronomical observations to observe objects at different heights.
The SDE/PDE combined slewing drive is an advanced engineering technology that blends the functions of horizontal and vertical rotation to achieve a variety of applications, especially in areas where precise positioning and rotation control are required. This technology combines slewing bearings, gear transmission, electric drives and advanced control systems to bring new opportunities to many industries.
The SDE/PDE combined slewing drive system is a complex mechanical system that allows the mechanical structure or platform to rotate in both horizontal and vertical directions. Such systems typically consist of the following key components:
- Slewing Bearing: This is the core part of the system, providing support and bearing functions to enable the structure to rotate.
- Gear transmission: The gear transmission mechanism is used to transmit the power of the electric drive to the slewing bearing to achieve rotational motion.
- Electric drive: Electric drive systems usually include motors, reducers and controllers to provide power and control.
- Control System: The control system includes sensors, encoders and controllers to monitor and manage rotational motion to ensure precise positioning and control.
SDE/PDE slewing drive catalogue
| Model | Output Torque | Tilting Moment Torque | Holding Torque | Gear Ratio | Tracking Precision | Weight |
| SDE7 | 1500 N.m | 13500 N.m | 10400 N.m | 73:1 | ≤0.2° | 58kg |
| 1107 lbf.ft | 9957 lbf.ft | 7671 lbf.ft | ||||
| SDE7 | 2000 N.m | 10 KN.m | 9000 N.m | 28:1 | ≤0.2° | |
| 1476 lbf.ft | 7380 lbf.ft | 6642 lbf.ft | ||||
| SDE17 | 20 KN.m | 135.6 KN.m | 72.3 KN.m | 102:1 | ≤0.2° | 390kg |
| 14760 lbf.ft | 100×10³ lbf.ft | 53×10³ lbf.ft | ||||
| SDE17 | 20 KN.m | 70 KN.m | 68 KN.m | 102:1 | ≤0.2° | |
| 14760 lbf.ft | 52×10³ lbf.ft | 50×10³ lbf.ft | ||||
| SDE21 | 40 KN.m | 200 KN.m | 105 KN.m | 105:1 | ≤0.2° | 545kg |
| 29520 lbf.ft | 148×10³ lbf.ft | 77×10³ lbf.ft | ||||
| SDE21 | 43 KN.m | 110 KN.m | 100 KN.m | 105:1 | ≤0.2° | |
| 31734 lbf.ft | 81×10³ lbf.ft | 50×10³ lbf.ft |

























