The rotary drive of construction machinery
If you are looking for a slewing drive for your construction machinery, you have come to the right place. We will cover various types, IP ratings, and durability. We will also discuss hourglass worm technology, IP class, etc.
Enclosed Case Swing Drive
The most common type of swing drive is the enclosed swing drive. It is used for excavator suspenders, fog vehicles, wind turbines, construction machinery, etc. These devices are enclosed to prevent dust and other contaminants. They are also available in various sizes to meet multiple application requirements. Closing the drive components allows the equipment to be used safely and reliably in the construction environment.
This type of drive enables smooth, continuous 360-degree rotation. It is beneficial in applications that require load retention and rotational torque strength. It also has the additional benefit of reducing space requirements and ensuring that machines are easily accessible. Enclosed housing swing drives are easy to install and maintain. They can be customized to meet 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 movement. This technique uses a worm with a circular profile that can engage 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 hourglass worm drive is based on differential geometry theory and the spatial meshing principle. Its main advantages include better bearing capacity, induced curvature radius, and better transmission efficiency. The new hourglass worm drive also has the characteristics of high precision and reduced error sensitivity. Its worms are designed to last a long time. This makes it a perfect choice for construction machinery.
Durability
It is essential for the durability of construction machinery to select the correct rotary drive device. Durability is necessary whether it is used for many years or replaced quickly. You don't want to change it every few months because it doesn't work anymore. Fortunately, several ways ensure that the swing drive is as durable as possible.
One of the best ways to ensure that the swing drive has the required durability is to consider the design and materials of the components that power it. While some manufacturers may choose to use materials made of high-grade steel, others may prefer more specialized metals. High-quality swing drives will last longer in harsh environments, while cheaper, lower-quality swing drives may need to be replaced in a short time.
IP rating
Many types of slewing drives can meet the requirements of various applications. For example, the SE series has an IP66 enclosure protection level. It has an hourglass worm shaft with five teeth in contact, providing a solid rear torque-holding capability for heavy loads. In addition, its sealing makes it the first choice for the mining and cement industries. In addition, it is a good choice for outdoor devices exposed to heavy rain and snow.
The IP grade of construction machinery slewing drive includes outer ring 2 and inner ring 1. The outer ring has a first end and an opposite second end. The utility model comprises a plurality of internal thread bolt holes 5, and the circumferential spacing is a predetermined distance. The outer ring includes gear teeth 6 arranged around its circumferential surface. These gear teeth transfer the swing drive from the drive source to the cup. The outer ring is fastened to the strut through these bolt holes.
application
The rotary drive is a kind of arc-shaped rotation engine commonly used in construction machinery. This type of drive is very suitable for circular motion applications, such as aerial vehicles. It is also helpful in machine tool manufacturing and wind power generation. Other industries where slewing drives are widely used include aerospace communications and industrial automation. This article will introduce the advantages of swing drives and the advantages they offer to users.
The swing drive is a gearbox that can handle axial and radial loads and can be used to transmit torque. It is suitable for applications with slow or even reversible rotation speeds. In addition, the rotary drive can be configured with two or even three campaigns on the same shaft. In addition, the swing drive is designed to provide smooth and zero backlash operation. These features make them the best choice for areas that rely heavily on similar functionality. These transmissions can be made of steel or phosphor bronze and have housings to protect them from harsh environments and other elements.
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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12.96 KN.M
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142.4 KN.M
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74 KN.M
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1166 KN
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435 KN
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104:1
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≤0.1°
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97kg
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9564 LBF.FT
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105*10³ LBF.FT
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54.6*10³ LBF.FT
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262*10³ LBF
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97.8*10³ LBF
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