Actuator

What is Actuator?

 

An actuator is a component of a machine that produces force, torque, or displacement, usually in a controlled way, when an electrical, pneumatic or hydraulic input is supplied to it in a system (called an actuating system).An actuator converts such an input signal into the required form of mechanical energy.An actuator requires a control device (controlled by control signal) and a source of energy. The control signal is relatively low energy and may be electric voltage or current, pneumatic, or hydraulic fluid pressure, or even human power.In the electric, hydraulic, and pneumatic sense, it is a form of automation or automatic control

 

Advantages of Actuator

 

Easy to maintain

This type of actuator has advanced to the point where it’s virtually maintenance-free. Because it has fewer components, it has fewer points of failure. And its parts are easier to troubleshoot and repair or replace since most of them are just wires and gear systems.

Easy to integrate

Containing parts like microprocessors and controllers that are programmable in nature, it is easy toactuators than their pneumatic and hydraulic counterparts. Thus, they can be simply used in almost any complex machinery that requires actuation.

Cost savings

They are easy to maintain and can also be operated under tough conditions. Since the mechanism only involves an electrical input, these actuators can perform perfectly for a long time, and hence lead to major cost savings.

Extreme precision

For applications where complete accuracy is paramount, actuators are the best choice as they can vary various parameters such as torque, speed and force to deliver perfect results. Such precision is possible due to the mechanism, which simply uses power from a secondary motor and converts it into motion.

 
Why Choose Us
 
 
Professional technical services

Is its commitment to pre- and after-sales support. The company's team of experts are on hand to provide advice and guidance to customers, ensuring they make informed decisions about their technology needs. The company also offers ongoing support and maintenance services, ensuring that customers' systems are performing at their best at all times.

 
Efficient execution efficiency

Has developed streamlined processes for delivering its products and services, ensuring that customers receive their orders on time and with minimal delay. This efficiency also extends to the company's professional services, which are delivered by a team of experienced technicians and engineers.

 
Specialized customized services

Company offers customization options to its customers, enabling them to personalize their orders according to their specific preferences.

 
Excellent product quality

The company's products are made of high-quality materials from accessories to chips, ensuring their durability and meeting the on-site needs of customers in various industries.

 
Types of Actuator
Electric Brake Actuator
 

Mechanical actuator

Mechanical actuators create movement by converting one kind of motion, such as rotary motion, into another kind, such as linear motion.The functioning of mechanical actuators relies on the combinations of their structural components, such as gears and rails, or pulleys and chains. High reliability, simplicity of utilisation, easier maintenance and greater precision of positioning are some of the advantages.

Pneumatic Actuator

Pneumatic actuator

Pneumatic actuators convert energy in the form of compressed air into mechanical motion. Here pressurised gas or compressed air enters a chamber thus building up the pressure inside. Once this pressure goes above the required pressure levels in contrast to the atmospheric pressure outside the chamber, it makes the piston or gear move kinetically in a controlled manner, thus leading to a straight or circular mechanical motion.

Electric Brake Actuator
 

Electric Rotary actuator

Consisting of motors and output shaft mechanisms with limited rotary travel, electric rotary actuators convert electrical energy into rotary motion. Used in a wide range of industries where positioning is needed, and driven by various motor types, voice coils, these actuators work as per specifications such as the intended application, drive method, number of positions, output configuration, mounting configuration, physical dimensions and electrical characteristics.

Pneumatic Actuator
 

Electromechanical actuator

Electromechanical actuators are mechanical actuators where there’s an electric motor in place of the control knob or handle. The rotary motion of the motor leads to linear displacement. The inclined plane concept is what drives most electromechanical actuators; the lead screw’s threads work like a ramp converting the small rotational force by magnifying it over a long distance, thus allowing a big load to be moved over a small distance.

 

 
Application of Actuator
 

 

Automotive industry

Actuators play a critical role in the automotive industry, contributing to the functionality, safety, and performance of modern vehicles. They are used in various systems and components, enabling precise control and movement in response to driver inputs and environmental conditions.

Aerospace industry

Actuators play a critical role in the automotive industry, contributing to the functionality, safety, and performance of modern vehicles. They are used in various systems and components, enabling precise control and movement in response to driver inputs and environmental conditions.

Medical industry

Actuators in the medical industry are pivotal, ensuring precision, safety, and adaptability in various medical devices and procedures. Their role is indispensable in both diagnostic and therapeutic applications, making them a cornerstone of modern medical technology.

Industrial automation

Actuators are the backbone of industrial automation, driving efficiency, precision, and scalability in manufacturing and processing environments. Their role is crucial in ensuring that industrial processes are streamlined, consistent, and adaptable to changing demands.

 

 
Components of Actuator
 

 

Front rear clevis

A clevis is a U-shaped metal piece with holes in each end through which a fastening device, a pin or bolt, is run. Clevis attachments on the front and rear of the actuator allow it to be mounted to the application. Attachment styles from TiMOTION include round, U-shaped (or slotted), or with a punched hole. TiMOTION can customize clevises to fit best the application in use.

Outer tube

Also known as the cover tube, this extruded aluminum tube protects the outside of the linear actuator and houses all of the actuator's inner components.

Inner tube

Also known as the extension tube, drive tube, translating tube, or piston, the inner tube is usually made out of aluminum or stainless steel. While retracted, the inner tube is where the spindle is located. This tube is attached to the threaded drive nut and extends and retracts when the nut moves along the rotating spindle.

Spindle

A spindle also known as the lead screw, rotating screw, or lifting screw is a long, straight rod that turns in a machine or tool. This linear actuator segment rotates, extending or retracting the nut/inner tube, which creates a linear motion. Our steel spindle ensures durability and strength. The spindle can be threaded in different ways for various load and speed capabilities. Additional details of this will be covered in another section.

Drive nut

The nut, which can be acme or ball screws, is attached to the inner tube and travels along the spindle. The nut is the component that allows extension or retraction of the inner tube. It can be made of metal or plastic and is sometimes keyed to prevent inner tube rotation.

Limit switches

Limit switches control the fully extended and retracted inner tube position by electrically cutting current to the motor. These switches prevent the actuator from overextending or over retracting. In addition to cutting current, limit switches can also be used as a signal-sending device.

 

 
How to Maintain Actuator
 

 

01/

Regular lubrication

At the core of actuator care lies the practice of regular machinery lubrication. By consistently applying lubricants to the moving parts, friction, and wear are reduced, ultimately contributing to the prolonged lifespan of your actuators.

02/

Check electrical connections

For electrically powered actuators, the integrity of electrical connections holds paramount importance. The stability of your actuators electric connections ensures the uninterrupted power flow, translating into consistent actuator performance.

03/

Cleanliness is key

Dust, debris, and silent infiltrators pose a significant threat to actuators. These tiny particles can sneak into the inner workings, leading to disruptive malfunctions. In cases where the setting is particularly prone to dust, consider adding protective covers to act as an additional layer of defense.

04/

Correct mounting

One of the foundational pillars of actuator maintenance lies in ensuring proper alignment during installation. Accurate mounting is pivotal for ensuring the smooth operation of your actuators. Misalignment can introduce undue strain on these mechanisms, resulting in premature failure.

05/

Monitor temperature

Heat, in excessive quantities, has the potential to become a silent adversary to actuator efficiency. It’s imperative to monitor the operating temperature of your actuators, ensuring they remain within the recommended range. Implement mechanisms to counter overheating if necessary, safeguarding the sustained performance of your actuators in the face of thermic challenges.

06/

Regular testing

A proactive approach to actuator maintenance involves subjecting them to regular testing. Exercise your actuators through their complete range of motion, allowing them to move through their entire spectrum.

Our Factory

 

As a leader in advanced automation technology, committed to providing excellent products and services for a wide range of fields such as smart cities, smart resource utilization, high efficiency and energy saving, and smart factories.

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Certifications
 
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FAQ
 

 

Q: What is the function of an actuator?

A: An actuator is a device that uses a form of power to convert a control signal into mechanical motion. From electric door locks in automobiles, to ailerons on aircraft, actuators are all around us.

Q: What is an actuator vs motor?

A: Think of actuators as devices that help produce linear motion and motors as devices that help produce rotational movement. Hence, some consider actuators as a type of motor. But a motor is not a type of actuator. Both are critical to powering industrial applications and have a purpose in the right setting.

Q: What does actuator mean in technology?

A: An actuator is the mechanism by which a control system acts upon an environment. The control system can be simple (a fixed mechanical or electronic system), software-based (e.g. a printer driver, robot control system), or a human or other agent.

Q: What are the three main types of actuators?

A: Hydraulic, pneumatic and electric actuators aren't the only types of actuators that are available. Some other types of actuators include thermal and magnetic, mechanical and supercoiled. Though less common, each has their own place and could be ideal under the right set of circumstances.

Q: What is difference between sensor and actuator?

A: A sensor monitors conditions and signals when changes occur. An actuator receives a signal and performs an action, often in the form of movement in a mechanical machine.

Q: What is the advantage of actuator?

A: Efficiency and energy savings.Electric actuators provide extremely accurate control and positioning. In addition, this type of actuator helps adapt machines to flexible processes and has a low operating cost. This means that an electric system is energy efficient and can provide you with cost savings in many cases

Q: What are examples of actuators in everyday life?

A: Washing machines, clothes dryers, vacuum cleaners, and food processors are some examples of household appliances that work because they have an electric motor. Electric motors are actuators that convert electrical energy into rotational mechanical energy that causes a shaft to spin.

Q: Does an actuator need a motor?

A: Not all actuators use motors. Some are pneumatic, hydraulic, or vacuum. The purpose of an actuator is to move in a linear fashion, or to rotate a shaft to a specific position.

Q: What is actuator in automotive?

A: Actuators are an essential part of electronic control systems in passenger cars and commercial vehicles. It is their job to convert the electrical signals from the control unit into an action. Most actuators are electric motors or electro-magnetic valves.

Q: What device is an actuator?

A: An actuator is a device that converts energy into some kind of "operation", such as linear movement, rotation, or bending. In addition to electricity, the input energy comes in a variety of forms, such as air (pneumatic) or oil (hydraulic) pressure, magnetic force from electromagnets, steam, and heat.

Q: Is an actuator a switch?

A: An actuator is part of a switch that is subjected to an external force, transfers that force to an internal spring mechanism, and moves contacts to perform switching. It is referred to as a push button or lever.

Q: What sends the signal to the actuator?

A: The controller receives a signal, decides what action is needed and then sends a signal to the actuator to make it move.

Q: Which type of actuators are best?

A: Hydraulic actuators are robust and suited for high-force applications. They can produce forces up to 25 times greater than pneumatic cylinders of equal size. Hydraulic motors have higher horsepower-to-weight ratio than pneumatic actuators.

Q: What are the characteristics of an actuator?

A: The three major characteristics of actuators are accuracy, precision, and reliability. The definitions of these parameters is consistent with the corresponding definitions given earlier for sensors. The most fundamental control of any equipment is the ability to turn it on/off.

Q: What voltage are actuators?

A: The majority of linear actuator motors available in retail have a voltage rating of 12V, there are also 24V models that require voltage converters to be used with the power supplies mentioned above.

Q: Is actuators input or output?

A: Actuators, on the other hand, convert an electrical signal (control signal) to mechanical movement. Simply put, actuators translate the output signal into practical operations.

Q: Is actuator a servo motor?

A: Linear actuators are often used for applications requiring precise linear motion control, such as automotive systems and machinery. A servo-motor, on the other hand, is a type of rotary motor that provides precise control of angular position, velocity, and acceleration.

Q: How many actuators are in a car?

A: Typically, vehicles have 3 or 4 actuators. Vehicles with rear controlled will often have additional actuators to control the auxiliary unit, bringing the total per vehicle to as many as 6.

Q: Is an actuator a cylinder?

A: Pneumatic cylinders, also known as pneumatic actuators, are used to provide movement & force linear or rotating to systems, machines and automated processes, for example in industrial applications.

Q: Is a pump an actuator?

A: It may seem that pumps and actuators perform similar functions, but they do not share similar processes. Pumps convert pure mechanical energy into hydraulic energy. Actuators, on the other hand, reconvert the hydraulic energy provided by the pump into mechanical energy.

Solidat Applied Technologies Ltd. is one of the leading actuator manufacturers and suppliers in China. We warmly welcome you to buy actuator in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.

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