FWA Series FWA21 Slewing Drive Reducer Slewing Drive For Modular Vehicle
The rotary drive of construction machinery
If you are looking for a rotary drive for your construction machinery, you have found the correct position. We will cover various types, IP levels, and durability. We will also discuss hourglass worm technology, IP class, etc.
Enclosed enclosure swing drive
The most common type of swing drive is the enclosed swing drive. It is used for excavator fog trucks, wind turbines, construction machinery, etc. These devices are enclosed to prevent dirt and other contaminants. They are also available in various sizes to meet the needs of various applications. Packaging the drive components allows the equipment to be safely and reliably used in the construction environment.
This type of drive allows smooth, continuous 360-degree rotation. It is beneficial in applications where load holding power and rotational torque are required. It also has the additional benefit of reducing space requirements and ensuring that the machine is easily accessible. The enclosed rotary drive is easy to install and maintain. They can be customized to suit specific application requirements, including multiple-drive motors.
Hourglass worm technology
The hourglass worm technology of the rotary drive is used to solve the problems in the design of the rotary drive. The technology utilizes a worm with an annular profile that can mesh five to eleven teeth along the pitch line. This increases the strength and stability of the gearbox. In addition, the rotary drive using hourglass worm technology has a lower backlash than the standard worm.
The new toroidal worm drive is based on differential geometry theory and spatial meshing principle. Its main advantages include better bearing capacity, the induced radius of curvature, and better transmission efficiency. The new hourglass worm drive also has the characteristics of high accuracy and low error sensitivity. Its worms are designed to last a long time. This makes it a perfect choice for construction machinery.
Durability
Selecting the right rotary drive is an essential factor for the durability of construction machinery. Whether you use it for many years or replace it soon, durability is an important consideration. You do not want to replace it every few months because it is no longer working correctly. Fortunately, several ways ensure that the swing drive is as durable as possible.
One of the best ways to ensure the required durability of the rotary drive is to consider the design and material of the drive components. While some manufacturers may choose to use materials made of high-grade steel, others may choose more specialized metals. High-quality rotary drives have a longer service life in harsh environments, while cheaper, lower-quality rotary drives may need to be replaced in a short time.
IP class
There are many types of rotary drive devices that can meet the requirements of various applications. For example, the Se series has an IP66 enclosure protection level. It is characterized by an hourglass worm shaft with five contact teeth, which provides reliable reverse holding torque capacity for heavy loads. In addition, its compactness makes it the first choice in the mining and cement industries. In addition, it is a good choice for outdoor installations exposed to heavy rain and snow.
The IP level rotary drive for construction machinery includes an outer ring two and an inner ring 1. The outer ring has a first end and a second end opposite thereto. It includes a plurality of internally threaded bolt holes circumferentially spaced by a predetermined distance. The outer ring includes gear teeth six arranged around its circumferential surface. These teeth transfer the swing drive from the drive source to the outer ring. The outer ring is fixed on the pillar through these bolt holes.
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Output torque
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Lifting moment torque
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Holding torque
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Axial load
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Radial load
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Ratio
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Backlash
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Weight
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28.7 KN.M
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203 KN.M
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107 KN.M
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1600 KN
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650 KN
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90:1
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≤0.1°
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170kg
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21180 LBF.FT
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150*10³ LBF.FT
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78.9*10³ LBF.FT
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359.7*10³ LBF
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146*10³ LBF
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Front View
Top View
Note: customized design can be carried out according to customer requirements
Application
hzpt slewing drive is a gearbox designed to handle radial or axial loads using high rotational torque. In addition, the slewing ring bearing, at the heart of the drive, enables it to withstand high overhung or moment loads. A descendant of the "worm" screw, slewing drives are present in construction machinery, manufacturing, equipment and many other applications that require strength and precision.
The physics of the slew drive makes it a versatile solution for many applications. In operation, the slew drive's axial movement, or motion around its axis, interacts to create radial torque. The action occurs by meshing the grooves of the horizontal screw with the teeth of a perpendicular gear. While turning, the worm gear's axial movement transfers magnified torque force to the radial gear. The number of threads on the horizontal screw and the number of gears that interact will determine the speed ratio of the setup.
Slewing drives are available in many configurations depending on the task at hand. These may be single-axis or dual-axis turning in unison.
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