(1) The load is large and can adapt to the application of high torque output.
(2) Quick action and quick response.
(3) Good adaptability to the working environment. Especially in flammable, explosive, dusty, strong magnetic, radiation, vibration and other harsh working environments, it is superior to hydraulic, electronic and electrical controls.
(4) When the schedule is blocked or the valve is bound, the motor is easily damaged.
Advantages of electric actuators include:
(1) Compact structure and small volume. Compared with pneumatic actuators, the structure of electric actuators is relatively simple. The basic electronics system consists of an actuator, a three position DPDT switch, a fuse, and some wires for easy assembly.
(2) The driving power supply of the electric actuator is flexible and can meet the power supply requirements of ordinary vehicles. Pneumatic actuators require an air supply and a compression drive.
(3) The electric actuator has no risk of "air leakage" and has high reliability. The compressibility of air results in a slightly less stable pneumatic actuator.
(4) There is no need to install and maintain various pneumatic pipelines.
(5) The load can be maintained without power supply, and the pneumatic actuator needs continuous pressure supply.
(6) Since no additional pressure device is required, the electric actuator is quieter. Generally, if the pneumatic actuator is heavily loaded, a silencer should be installed.
(7) In pneumatic devices, it is usually necessary to convert electrical signals into air signals and then into electrical signals. Due to the slow transmission speed, it cannot be used in complex circuits with too many components.
