What is the difference between rotary cylinder and actuator?

### Rotary Cylinder vs. Actuator.

Rotary cylinders and actuators are both types of devices used in the field of automation and industrial machinery. While they may seem similar, there are key differences between the two.

#### Rotary Cylinder.

A rotary cylinder is a type of pneumatic or hydraulic device used to convert fluid pressure into rotational motion. It consists of a cylinder with a rotating shaft attached to one end. When fluid pressure is applied to the cylinder, it causes the shaft to rotate, which can be used to move a load or perform a specific task. Rotary cylinders are commonly used in applications where rotational motion is required, such as in rotary table systems or indexing machines.

#### Actuator.

An actuator, on the other hand, is a broader term used to describe any device that is used to convert one form of energy into mechanical motion. Actuators can be pneumatic, hydraulic, electric, or even mechanical in nature. They are used to control and move various components in machinery or systems. Actuators are commonly used in valves, gates, pumps, and other applications where controlled motion is required.

### Key Differences.

1. **Motion**.

- Rotary cylinders convert fluid pressure into rotational motion, while actuators can produce linear or rotary motion depending on the specific type.

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2. **Functionality**.

- Rotary cylinders are specifically designed for rotational applications, whereas actuators have a broader range of functions and can be used for a variety of motion control tasks.

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3. **Applications**.

- Rotary cylinders are commonly used in systems requiring rotational movement, such as automated conveyor belts or assembly lines. Actuators, on the other hand, have a wider range of applications and can be found in a variety of industries and equipment.

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4. **Control**.

- Rotary cylinders typically have limited control options and are often used for simple rotational tasks. Actuators, on the other hand, offer more precise control over motion and can be used in more complex automation systems.

In summary, while both rotary cylinders and actuators are used for motion control in industrial applications, they differ in terms of motion capabilities, functionality, applications, and control options. Understanding these differences is key to selecting the right component for a specific automation task.

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