• Electric or hydraulic drive system: The heart of a slew device is its drive system. It can use electric motors, hydraulic motors or other types of drive mechanisms, with different energy types chosen depending on the requirements of the application. This system is responsible for providing the power for rotation.
• Axis of rotation: The unit is equipped with one or more axes of rotation, which are arranged in a horizontal or vertical direction, depending on the design of the device. The material and structural design of the shaft must be strong enough to withstand the forces and pressures of rotational motion.

	Model	Output Torque	Tilting Moment Torque	Holding Torque	Gear Ratio	Tracking Precision	Weight	Drawing
SDE21	Azimuth	40 KN.m	200 KN.m	105 KN.m	105:1	≤0.2°	545kg
SDE21	Azimuth	29520 lbf.ft	148×10³ lbf.ft	77×10³ lbf.ft	105:1	≤0.2°	545kg
SDE21	Elevation	43 KN.m	110 KN.m	100 KN.m	105:1	≤0.2°	545kg
SDE21	Elevation	31734 lbf.ft	81×10³ lbf.ft	50×10³ lbf.ft	105:1	≤0.2°	545kg

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• Bearing Systems: Vertical shafts often require a bearing system to reduce friction, provide support and ensure smooth rotation.
• Control system: used to monitor, control and adjust the rotational movement. This may include sensors, encoders and feedback control systems to ensure accuracy and stability of rotation.
• Structural Support: Structural components on the exterior of equipment that support and secure the entire system. This may include structural elements such as brackets and bases.
• Safety Devices: Depending on the specific application, safety issues that may need to be considered may include emergency stops, limit switches, etc.

	Model	Output Torque	Tilting Moment Torque	Holding Torque	Gear Ratio	Tracking Precision	Weight	Drawing
SDE17	Azimuth	20 KN.m	135.6 KN.m	72.3 KN.m	102:1	≤0.2°	390kg
SDE17	Azimuth	14760 lbf.ft	100×10³ lbf.ft	53×10³ lbf.ft	102:1	≤0.2°	390kg
SDE17	Elevation	20 KN.m	70 KN.m	68 KN.m	102:1	≤0.2°	390kg
SDE17	Elevation	14760 lbf.ft	52×10³ lbf.ft	50×10³ lbf.ft	102:1	≤0.2°	390kg

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• Vertical axis design: Equipment is often designed to include a vertical axis to allow rotation in the vertical direction. The design of vertical shafts requires force and support considerations, often using specially designed bearing systems.
• Electric Drive System: Typically includes an electric motor to provide power for rotation. This may be an electric motor connected directly to the vertical shaft, or power is transferred to the vertical shaft through a drivetrain.
• Transmission system: used to transfer the rotation of the electric motor to the vertical axis. The transmission system can include gears, belts, chains, etc., which are selected based on specific needs.

	Model	Output Torque	Tilting Moment Torque	Holding Torque	Gear Ratio	Tracking Precision	Weight	Drawing
SDE7	Azimuth	1500 N.m	13500 N.m	10400 N.m	73:1	≤0.2°	58kg
SDE7	Azimuth	1107 lbf.ft	9957 lbf.ft	7671 lbf.ft	73:1	≤0.2°	58kg
SDE7	Elevation	2000 N.m	10 KN.m	9000 N.m	28:1	≤0.2°	58kg
SDE7	Elevation	1476 lbf.ft	7380 lbf.ft	6642 lbf.ft	28:1	≤0.2°	58kg

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