Define Linear Actuator
Looking for the best linear actuator? A linear actuator is such a device, which produces the motion by making a straight line. Hence, the electric linear actuator makes a linear movement, transforming the electric power. Electric linear actuators are the most common. However, there are also hydraulic, mechanical, pneumatic or electro hydraulic devices available on the market.
What are the benefits of the linear actuator using?
2. Quiet and clean
5. Safe operation
6. Easy to control
7. Simple electronic programming
8. Compact dimensions
9. Simple mounting
Moreover, these devices are highly configurable. Such sectors as construction, industrial automation, household equipment, automotive, healthcare equipment, computer peripherals, machine tools use linear actuators.
What are the features of the linear actuators?
There are 4 main parts of the linear actuator. These are a nut, sliding tube, motor, and fixed cover. The basic and the most important part is motor. The electricity powers it. The nut is at the bottom of the sliding tube. The motor has to turn the nut.
There are two ways of turning of motor: either clockwise or anticlockwise. It causes the sliding tube and the nut to either retract or extend within the fixed cover. The software controls the motion of the linear actuators for the best consistency and rhythm of the machine.
Industrial grade motion systems tend to use the linear actuators. They are easy to install and offer a wide range of functions. Therefore, they are beneficial for an engineer because of the simplicity of installation at home or workplace.
How do the linear actuators work?
The electric linear actuator uses the concepts that are common in electric engineering and mechanical disciplines. Hence, when analyzing the requirements, the actuator using the power in watts is a significant consideration. The actuator moves the load and the speed. After that electric actuator generates mechanical power.
As a result, it is important to acknowledge motion’s velocity in m/s. Also, it is vital to get to know mechanical power is a product of Force (F) in Newtons. Also, the engineer is to consider such factors as the electric power-in, duty cycle, and efficiency of the actuator. The supplier shows force-speed and force-current graph when presenting the information.
The voltage (V) multiplies the current draw (I) calculating electric power in for the actuator. These features allow guaranteeing to deliver a user a wide range of benefits for home and industrial use.
Which actuator is more efficient?
The electro mechanical actuator is more effective in comparison with pneumatic and hydraulic types of actuators. This is because as a power source it requires simple electricity. Also, these devices require less maintenance because they do not require using liquid or air pressure.
You can control and manipulate such actuators just like that. You can do it by connecting them to your computer. Therefore, these actuators provide with accurate and precise types of motions. Besides, they can do it because they are able to function under the direct computational prowess of the computer.
What is the best linear actuator application?
The application of linear actuator is wide. You can use electrical actuators wherever the pneumatic or hydraulic cylinders are. Though, the electric actuator space requirement is rather larger. However, this is not a big problem for bridge applications.
The vast majority of modern electric linear actuators in bridges is regarding a locking pin operator. It takes the shear load from the heavy vehicles that pass over the bridge. Then it forms a structural member of the bridge and prevents the ends of the span from deflecting. Hence, it increases the stability.
The common locking pin is 6″ high by 4″ wide. The electric linear actuator moves it from one span of a bridge into the pocket at the other span of a bridge.
Freedom of maintenance, easy installation, and elimination of leakage are the main benefits of an electric actuator for your application. Every hydraulic system is possible to leak one day. Hence, it can lead to heavy environmental damage. However, there is nothing, which can leak in the electric linear actuator.
Also, electric actuators can lift the span of a bridge. The installation of the actuators is easy. You will need no maintenance. The lifetime is able to achieve 30 years.
Moreover, the electric actuators are a great alternative to gear systems that can lift the bridge span. It is possible to install replacement actuators even overnight, depending on the design of the bridge. Hence, it will save the time of hundreds of thousands of commuters in case of any damage that might happen at night.
What are the cutting-edge linear actuator projects?
The projects are various. For example, they are connected with wheelchairs, compacting of stairs, artificial hands, excavators, and more. Besides, there are linear actuator projects with Arduino. Among them are those regarding control of larger linear actuators, control speed and direction of the motor, matching the light, control of a small linear actuator, controlling a robot arm with a software, control a solenoid, and many more.
All in all, the potential of applications of the linear actuators is massive. These devices are helpful and efficient in many various fields, but they cost money. However, if you want to have a quality service, you have to pay. Although, nothing is perfect in the world.
Also, linear actuators are a good thing to invest your money in because they serve for a long time. Therefore, they are economical and reliable.
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