Hydraulic Actuators

An actuator requires a control signal and a source of energy. The control signal is relatively low energy and may be electric voltage or current, pneumatic or hydraulic pressure, or even human power. Its main energy source may be an electric current, hydraulic fluid pressure, or pneumatic pressure. When it receives a control signal, an actuator responds by converting the signal's energy. All actuators are operated in different ways. They can provide two basic motions which are linear and rotary. Linear actuators convert energy into straight line motions, typically for positioning applications, and usually have a push and pull function. Some linear actuators are unpowered and manually operated by use of a rotating knob or hand wheel. Rotary actuators convert energy to provide rotary motion. A typical use is the control of various valves such as a ball or butterfly. Each actuator type has versions for various power configurations and come in many styles and sizes. Linear chain actuators provide push and pull motions with rigid chains. Actuators typically are used in manufacturing or industrial applications and might be used in devices such as motors, pumps, switches and valves depending on the application. Linear chain actuators provide push and pull motions with rigid chains.

  • EMS (Electro Mechanical Systems) Ltd 2 Products

  • Bosch Rexroth Ltd 39 Products

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