A slew drive is a ready-to-install unit consisting of a ball or roller slewing ring bearing, drive gear, housing, and possibly a motor. It is designed to handle radial, axial, and moment loads, providing rotational motion and power transmission in a compact module. Slew drives are used to control rotational movement with precision and can support heavy loads while maintaining stability.
Heavy Duty Gear Slewing Drive SP-H 0655
SP-H 0655 gear slewing drive is a heavy-duty and efficient gear reduction transmission device, which is widely used in crane slewing and heavy machinery slewing platforms, especially in working conditions that require high precision and have limited insta
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Enveloping Slewing Drive SE9
The Enveloping Slewing Drive SE9 offers reliable, high-torque performance with excellent sealing and self-locking features, making it ideal for demanding applications in harsh environments, and is customizable to meet specific operational needs.
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Enveloping Slewing Drive SE12
The Enveloping Slewing Drive SE12 series is an advanced integrated transmission component designed to offer robust and reliable performance. It is composed of key parts, including a base, worm, and worm gear.
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Enveloping Slewing Drive SE14
The Enveloping Slewing Drive SE12 series is an advanced integrated transmission component designed to offer robust and reliable performance. It is composed of key parts, including a base, worm, and worm gear. With a fully sealed and protective design, the
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Enveloping Slewing Drive SE17
Lyra Drive's SE17 slewing drives are engineered to meet the highest industry standards and are fully customizable to meet specific operational needs. Whether you require enhanced sealing, increased torque, or customized mounting configurations, Lyra Drive has the expertise and resources to provide you with the ideal slewing drive solution for your application.
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Enveloping Slewing Drive SE21
The Enveloping Slewing Drive SE21 series is an advanced integrated transmission component designed to offer robust and reliable performance. It is composed of key parts, including a base, worm, and worm gear. With a fully sealed and protective design, the
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Enveloping Slewing Drive SE25
The Enveloping Slewing Drive SE25 from Lyra Drive offers high torque, precise rotation, and superior durability, making it ideal for demanding applications in harsh environments, with customizable options to meet specific operational needs.
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Worm Gear Drive WE7
The Worm Gear Drive WE7 is an integrated drive component that efficiently handles axial, radial, and moment loads, featuring a self-locking mechanism for enhanced safety.
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Worm Gear Drive WE9
The Worm Gear Drive WE9 is an integrated drive component featuring a worm shaft and worm wheel that provides high torque and self-locking capabilities in a compact design. Its key features include high efficiency, superior sealing with an IP65 rating, and
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Worm Gear Drive WE12
The Worm Gear Drive WE12 is an integrated drive component featuring a worm shaft and worm wheel that provides high torque and self-locking capabilities in a compact design.
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Worm Gear Drive WE14
Worm Gear Drive WE14 is an advanced integrated drive unit designed for high-torque, low-speed applications, featuring a self-locking mechanism for enhanced safety and reliability.
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Worm Gear Drive WE17
Worm Gear Drive WE17 is a sophisticated drive component designed for various industrial applications. Comprising a sturdy base, a precisely engineered worm shaft, and a corresponding worm wheel, the WE17 is built to operate effectively in closed protectiv
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Types of Slew Drive
Slew drives are primarily categorized based on the type of gears and motors used:
Worm Gear Slew Drives:
These use a worm (a type of gear resembling a screw) to engage with a wheel, providing high torque at low speeds. They are inherently self-locking, making them ideal for applications requiring load holding.
Spur Gear Slew Drives:
These involve spur gears, which are straight-toothed gears. They offer high efficiency and are suitable for applications requiring high speed and lower torque compared to worm gear drives.
Helical Gear Slew Drives:
Similar to spur gears but with angled teeth, helical gears engage more gradually, offering smoother and quieter operation. They are used where noise reduction is critical.
Bevel Gear Slew Drives:
These drives use bevel gears that allow transmission of power between axes that are not parallel. They are typically used in applications requiring the transfer of motion at an angle.
Features of Slew Drive
High Load Capacity: Designed to support heavy axial, radial, and moment loads.
Compact Design: Integrates bearings and gears into a single unit, saving space and simplifying installation.
Precision: Provides accurate control of rotational movement, crucial for applications requiring precise positioning.
Versatility: Available in various configurations to suit different applications and load requirements.
Ease of Maintenance: Typically designed for long life with minimal maintenance requirements.
Customizability: Can be tailored with different motors, encoders, and other modifications to meet specific requirements.
Applications of Slew Drive
Slew drives are used in a wide range of applications across various industries:
Solar Power Systems: For tracking the sun in photovoltaic and concentrated solar power systems.
Wind Turbines: Used in the yaw and pitch adjustment mechanisms.
Cranes and Manlifts: To achieve precise positioning of the boom and basket.
Satellite and Communication Dishes: For accurate positioning to ensure optimal signal reception.
Construction Equipment: In excavators, backhoes, and other heavy machinery for rotation and handling.
Industrial Turntables: To rotate stages, platforms, or heavy loads smoothly.
How to Select Slew Drive?
Selecting the right slew drive involves several considerations:
Load Capacity: Evaluate the maximum loads (axial, radial, and moment) the drive will need to handle.
Operational Speed: Consider the required operational speed and match it with the appropriate gear type.
Precision Requirements: Determine the precision level needed for the application, especially in terms of rotational accuracy and backlash.
Environmental Conditions: Assess the environmental conditions such as temperature, moisture, dust, and potential corrosive elements the drive will be exposed to.
Integration Needs: Ensure the slew drive can be integrated into the existing system with appropriate mounting and connection interfaces.
Power Source: Decide on the type of motor or manual operation required based on the application's power availability and control needs.
Budget and Cost-Effectiveness: Balance the performance requirements with the budget, considering not only initial cost but also maintenance and operational costs.