Eckart Rotary Actuators
More than 70% of Eckart actuators are custom-designed to meet specific customer needs. Tell us about your project and we will present you with an optimum solution.
With decades of experience, Eckart GmbH can design and build a quality rotary actuator to your specifications.
The SM4 rotary actuator with an operating pressure of up to 250 bar offers rotary movement with a compact footprint.
The E3 with a maximum operating pressure of 210 bar, is designed for, but not limited to, mobile applications where a flange shaft is desirable.
The E1 rotary actuator with an operating pressure of up to 100 bar offers rotary movement with a compact footprint.
HyRAV® – valve actuators, tailored perfectly to your needs. HyRAV by Eckart, comprises a full series of double-acting or spring return actuators.
HSE4 Rotary-Linear Actuators combine an independently controllable dual acting cylinder with a rotary actuator.
PSM2 Pneumatic Rotary Actuator is most suited to applications in small installation spaces with low weight specs.
The Eckart PHSE pneumatic rotary-linear actuator is a combination of a rotary actuator and a dual-action linear cylinder.
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What Makes Us Different?
Customized Solutions
Specific applications call for specific actuators. Customize the amount of rotation, choose the material, opt for special protective coating, add sensors, and more.
Helical Spline Design
Helical gear rotary actuators are designed with space in mind and are suitable for many applications needing a compact solution.
High Torque & Precision
Dependable and durable actuators with high torque and precision. Often custom-designed to meet specific needs, these hydraulic rotary actuators provide durability and dependability.
How to Choose the Right Actuator
Different actuator models typically depend on the system’s operating pressure. This is why it’s important to know the pressure required, along with other key factors including load capacity, rotation angle, rotation speed, and more.
Operating Pressure
First, determine the operating pressure. This is important to ensure the actuator is rated for the system pressure being used.
Torque
The amount of torque helps determine how the actuator will perform and how much it can handle, especially in terms of load capacity. The higher the torque output, the more load capacity the device will have.
Dynamic Movement
Next, determine if the rotary actuator will be used in highly dynamic applications, such as torque/torsion testing. If so, end-cushioning is important to have, along with a servo valve that can be mounted to the actuator to offer more control to the device.
End-Cushioning
End-cushioning is an important factor to consider for highly dynamic applications, such as when the actuator needs to function as an end stop in a load. End-cushioning acts as a hydraulic break to slow down the movement of the actuator so that it doesn’t slam into the end position causing damage to the device or the workpiece. The end-cushioning effect can be finely tuned using built-in orifices and set screws.
Mounting
Actuators can be mounted in different ways, along with different shaft styles. The actuator might have a flange mount, foot mount, or threaded holes in the actuator body. The shaft could be male or female with spline, key, or other shapes; as well as flange style.
Temperature
Typical hydraulic systems operate in an oil temperature range from -4°F to +240°F (-20°C to +60°C) in the same range. Actuators operate in the same range. If actuators need to operate above or below the standard temperature range, then special steels or special seal material may need to be used.
Mediums
The same applies to different mediums. Different mediums could require non-standard seals and different actuator materials.
Side Loads
If the application and actuator have side loads, the side loads need be absorbed separately from the actuator, or the actuator needs to be designed to accommodate the side loads. This is often done through the use of bearings. Eckart usually includes 4-point contact bearings as standard.
General Applications
Finally, it’s important to understand the general application. For example, will the device be going offshore? This might require special paint and special seals to protect the actuator from harsh seawater environments. As mentioned above, it’s important to know if the actuator will be used in testing applications, as special attention would be needed to make low-friction seals and a servo valve adapter plate.
Eckart Rotary Actuator Models
After determining the important factors above, we can help you find an actuator design to best fit your application from our Eckart line. Eckart is the leading technological innovator in developing custom-made rotary actuators and valve actuators based on helical gear technology.
SM4
E3
Tipping Devices
SM4 Rotary Actuator
Our SM4 rotary actuator is a heavy-duty and highly-customizable rotary actuator designed for the toughest and most-demanding applications with an operating pressure rating at 3,625 psi (250 bar) and maximum toques up to 2,200,000 Ibs-in (250,000 Nm).
E3 Rotary Actuator
For mobile applications where a flange shaft, cantilever mounting style is desirable, our E3 rotary actuator is an appropriate choice. It has a maximum operating pressure of 3,046 psi (210 bar) and is available with torques up to 31,800 Ibs-in (3,600 Nm).
HSE4 Rotary-Linear-Actuator
Our HSE4 rotary-linear-actuator is a combination of a rotary actuator and a dual-action linear cylinder and is commonly used for applications that require lifting and turning. It has an operating pressure of 1,450 psi (100 bar).
E1 Rotary Actuator
The E1 rotary actuator is the latest rotary actuator in our product line and was designed for low-pressure hydraulic systems with typical operating pressure ratings of up to 1,450 psi (100 bar) and is available in torques up to 22,000 Ibs-in (2,500 Nm).
HyRav Rotary Valve Actuator
The HyRAV quarter-turn valve actuators have 12 drive sizes with torques up to 2,200,000 Ibs-in (250,000 Nm) and an operating pressure up to 3,046 psi (210 bar).
Custom Rotary Actuators
More than 70% of our actuator line was custom-designed to meet specific customer needs. Contact a specialist and get your customized, optimum solution.