Keyless Locking Devices

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AODISI delivers a high-performance range of keyless locking devices, designed to provide secure, precise, and removable shaft-hub connections across diverse industrial machinery. These devices eliminate the need for traditional keyways, preventing stress concentration and enabling uniform torque transmission between shafts and hubs.

 

Crafted from top-grade materials to suit different operational demands:

 

  • High-strength alloy steel for heavy-duty applications in industrial gearboxes, pumps, and motor-driven machinery, ensuring exceptional torque capacity and durability.
  • Stainless steel variants for corrosion resistance in marine, food processing, or chemical industries, maintaining reliability in humid or caustic environments.
  • Lightweight aluminum alloys for precision equipment like robotics or medical machinery, reducing overall component weight without compromising connection stability.

 

AODISI’s standard keyless locking devices accommodate shaft diameters ranging from 10mm to 300mm, with torque ratings spanning 50N·m to 50,000N·m, adapting to both low-speed heavy-load and high-speed precision transmission systems. They feature a simple yet robust design—typically consisting of two tapered sleeves and clamping bolts—that achieves a tight fit through radial compression, ensuring zero backlash and high concentricity.

 

Moreover, custom solutions are available, including devices with special surface treatments (such as anti-corrosion plating or high-temperature coatings) and modified bolt configurations to meet unique installation constraints.

 

Each keyless locking device is clearly engraved with the AODISI logo, nominal shaft diameter, and maximum torque rating for easy identification and selection.

 

All of AODISI’s keyless locking devices are manufactured in their Chinese facilities under rigorous quality control, adhering to international standards such as ISO 9001, ensuring consistent performance and reliability across industrial applications.