what is an actuator ?
An actuator are important discussion and some things that converts energy into motion. and mainly It can also be wont to apply a force.so the fact is An actuator typically may be a robot that takes energy — usually energy that's created by electricity, air liquid — and converts it into some quite motion. That motion are often in virtually any form, like blocking, clamping or ejecting. Actuators typically are utilized in manufacturing or industrial applications and could be utilized in devices like motors, pumps, switches and valves.
for more discussion : HYDRAULIC VS PNEUMATIC ACTUATOR













