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When to use a hydraulic rotary actuator

By Paul Heney | May 18, 2016

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Boom_MowerHydraulic rotary actuators are powerful, compact fluid power products that have a lot of applicability in mobile machinery that require a lot of power, delivered in a tight space. Some common applications include steering and boom rotation. Some of the features and benefits of using hydraulic rotary actuators include:

• Application flexibility
• Increased function
• Will backdrive in overload conditions
• Acts as a hydraulic fuse
• Prevents mechanical damage
Cutaway• Simplifies installation
• Reduced space requirement—compact, power dense
• Reduced assembly cost, and
• Reduced part count.
Helac Corp. of Enumclaw, Wash., makes an entire family of hydraulic rotary actuators, which are used in agricultural, construction, energy, marine, material handling, military, mining, truck/trailer, and other applications. The overall product specifications are:

SteeringOutput Torque Range: 1,700 to 380,000 in.-lbs
Holding Torque: Up to 1,000,000 in.-lbs
Bearing Capacity Range: 5,000 to 1,505,000 in.-lbs

Specific models include:
L10 Series – 6 model sizes, 180° & 360°
L20 Series – 5 model sizes, 180°
L30 Series – 9 model sizes, 180° & 360°
T20/30 Series – 4 model sizes

Helac Corp.
www.helac.com

 

 

Mobile Hydraulic Tips

About Paul Heney

Paul J. Heney, the VP, Editorial Director for Design World magazine, has a BS in Engineering Science & Mechanics and minors in Technical Communications and Biomedical Engineering from Georgia Tech. He has written about fluid power, aerospace, robotics, medical, green engineering, and general manufacturing topics for nearly 25 years. He has won numerous regional and national awards for his writing from the American Society of Business Publication Editors.

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