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What is a Linear Actuator?

An electrical linear actuator is a device that translates rotational motion, from an enclosed motor, into linear pushing/pulling motion from the shaft [2]. They range in several variables but, most importantly, different linear actuators have different weight limits and , shaft lengths, and speeds. They are versatile, accurate, efficient, safe, easy to install, and easy to use. On top of being easier to install, linear actuators are also much cheaper and compact than hydraulic or pneumatic systems. They Linear actuators essentially consist of a DC or AC motor, gears, and a lead screw with driving nut that pushes the shaft in and out [2].

Types of Linear Actuators

The linear actuator that should be used for an application should be based on these questions: What are you using it for? How much force do you need? How much distance does it need to travel? How fast does it need to move? How often does it need to accomplish its task [1]?

Track Actuator

Rod-Style Actuator

Feedback Actuator

Uses of Linear Actuators

Linear actuators can be helpful in many situations requiring on-demand linear motion, such as lifting/dropping, tilting, pushing/pulling, applying pressure or stress, etc. With the advancement of home automation, they are often found in the office and home, although hidden from sight. They are commonly used in desks with adjustable height, TV lifts, speaker pop-outs, and kitchen appliance lifts [2].

Advantages and Disadvantages of Linear Actuators

How Does a Linear Actuator Work?

Pros and Cons of Linear Actuators

Types of Linear Actuators

Uses for Linear Actuators