Networks Electronic

Working Principles of Actuators

Actuators in electrical terms are any devices that convert electrical signals into mechanical motions. Usually used as an advanced process of the output of a process if the data generated by a sensor or controller. If you are looking for piston actuators, you can visit http://www.networkselectronic.com/.

In the actuator instrumentation as the last output as the router command from the controller to perform the execution/correction action consists of 3 main types:

1. Electrical Actuators: Electric power actuators, usually used selenoid, direct current motor (DC machine). The properties are easily adjustable with small to medium torque. Electrical actuators are actuators that have the working principle of converting electrical signals into mechanical motions. Here are the various electrical actuators:

- Solenoid

- Motor stepper

- DC motor

- Brushless DC-motors

- Induction motor

- Sync motor

The advantages of electric actuators are as follows:

- Easy to control

- From mW to MW

- High speed, 1000 - 10,000 RPM

- Lots of it

- High accuracy

- ideal torque for movement

- High efficiency

2. Pneumatic actuators

Pneumatic actuators are actuators that utilize compressed air into mechanical motions. By providing compressed air on one side of the piston surface (the forward direction), while the other side (backward direction) is exposed to the atmosphere, force is applied to the side of the piston surface so that the piston rod is pushed out until it reaches its maximum and stops position. The piston force generated by the cylinder depends on air pressure, cylinder diameter and friction resistance of the sealing components. The piston force is theoretically calculated according to this formula F = A.p. Pneumatics uses a compressed air volume difference to generate pressure on the piston. Get this actuator on www.networkselectronic.com.

Pneumatic actuators of straight motion are divided into 2:

1. Single Working Cylinder

By providing compressed air on one side of the piston surface, the other side opens into the atmosphere. Cylinders can only provide a working style in one direction. The incoming piston motion is given by the spring force present in the cylinder is planned only to return the cylinder at the starting position on the grounds that the speed returns high under no-load conditions.

2. Double Dual Cylinder

The double working cylinder construction is the same as a single working cylinder but does not have a spring back. Double working cylinders have two channels (input channel and sewer). The cylinder consists of a cylindrical tube and a lid, a piston with a seal, a piston rod, a bearing, a scraper ring and a joining section.

Characteristics of pneumatic motor:

- Smooth setting and smooth turning time

- Dimensions are small, and light.

- Safe on more loading

- Not sensitive to dust, water, heat, cold.

- Will not explode (safe against explosion).

- Maintenance costs are light.

- The direction of rotation is easy to control.

- Area of adjustable speed

3. Hydraulic actuators

The hydraulic actuator is an actuator that utilizes the flow of fluid / pressurized oil into mechanical motion. Just as in Pneumatic systems, hydraulic actuators can be cylinders but hydraulic input. Hydraulic uses different volumes of compressed fluid to generate pressure on the piston. You can visit Networks Electronic to get piston actuators.

Advantages

- Hydraulic fluid can be as lubricant and refrigerant.

- With small size can produce a great style/torque

- Has a high response speed

- Can be operated in discontinuous circumstances

- Low leakage

- Flexible in design

Deficiency

- Hydraulic power is not readily available compared to electric power

- System cost is more expensive

- Fire and explosion hazards exist

- Systems tend to be dirty