Company Profile
Qinhuangdao Jiewei Technology Co., Ltd. is a young and dynamic company.
Jevetec mainly provide electric actuators, pneumatic actuators, ball valve, butterfly valve, gate valve, check valve and other series products and control unit of IOT that exactly suit our customer's needs.
These valves are widely used in water treatment systems, home automation, HVAC system, smart irrigation system, wildfire emergency sprinkler system, recreational vehicle (RV), trailer home, sprinkler truck, fire truck, air compressor, washing machine, etc., wherever automatic remote fluid control is needed. Based on experienced expert team from Hebei Normal University Of Science & Technology .We offers solutions to ensure that your control system are exactly fit for your use.
Why Choose Us
Quality Control
To be a leader in the automatic valve by providing enhanced services, relationship, and profitability.
Professional Team
To provide quality products & service that exceed the expectations of our esteemed customers.
Customized services
To build long term relationships with our customers and clients and provide exceptional customer services by pursuing business through innovation and advanced technology.
Rich Experience
We believe in treating our customers with respect and faith. We grow through creativity, invention, and innovation. We integrate honesty, integrity and business ethics into all aspects of our business functioning.
What is Electric Actuator？
An electric actuator is a mechanical device used to convert electricity into kinetic energy in either a single linear or rotary motion. It automates damper or valve in order to increase process efficiency and complexity. Designs for electric actuators are based on the specific tasks they accomplish within the processes for which they’re intended, and they can vary in both dimension and size.
Electric actuators are devices capable of creating motion of a load, or an action that requires a force like clamping, making use of an electric motor to create the force that is necessary.
New process controllers can now be equipped on last-generation electric actuators, which makes it simpler to meet recently updated automation standards. Thanks to failsafe capabilities that preserve user control over the process even in the event of power loss, using electric actuators is now safer than ever before.
Benefits of Electric Actuator
Are safer
Safety is a primary concern in any process environment. Management doesn’t want injuries on their hands, so when it comes to pitching a new investment in electric actuators, safety is a major benefit.
Compared to their mechanical counterparts, electrical actuators decrease the risk to workers considerably. They don’t require fluid to ensure smooth motion, which reduces the danger of leaks and slippages.
Completely programmable
Electric actuators require a motor and some sort of control panel to operate them. In more sophisticated environments, you can program any desired specification and offer a consistent, stable movement, time and time again.
Less maintenance
If your boss is trying to keep costs down, electric actuators are the way to go. While the initial investment might be higher, you’ll receive a long-term payoff of less plumbing, less maintenance and lower cost of replacement.Because they dont require external pumps, they”re also considerably smaller and quieter to work with, meaning they can be deployed in tighter, more enclosed spaces.
They’re perfect for low air, low-temperature environments
Pneumatic and hydraulic actuators use air and fluid to generate movement, while electric actuators use a motor. In colder environments where air is prone to freezing – or in environments without access to air – electric actuators are the safer, more steadfast choice. All you need is a reliable power source.
Smart Linear Electric Actuator
This is a smart linear actuator with the dislocation of linear output. This actuator has a high quality, stable precision material and design, is durable and safe, has a broad application environment, similar to all types of valve, ball valves such as control and butterfly.
Rotary Electric Cut Off Actuator
These types of actuators allow the integrated standard signal. They alter the signals into an angular displacement that are equivalent so as to control the valve mechanically and achieve the automatic modification task.
In the automatic change, the mechanical, physical and bi-directional intrusion free control of the system responsible for regulation can be recognized. It consists of two parts which are the actuator and servo amplifier. At a distance, it can be controlled physically or rapidly.
Linear Electric Cut Off Actuator
This type of electric actuator is available with two sorts of power supply models like AC single-phase power supply and AC three-phase power supply. To attain a prearranged linear reciprocating motion, the latest electric actuator is established from the regulator control signal.
This electric actuator sequence is employed as the regulating valve actuator. The control valve itself needs a change function that varies, and the opening of the valve signal function of the electric actuator and physical function. Hence it finds its extensive use in industries such as metallurgical, power generation, papermaking, environmental protection, petrochemical, and light industries.
Rotary Electric Regulating Type Actuator
This is a full electronic actuator type that gets 4mA – 20mA or 1V – 5V dc input signals from the operator, PC, or regulator to work with a single phase AC power supply of 220V like the power supply of the driving, and is available with a servo system. There is no necessity for an extra servo amplifier. The controller of the input component accepts the integrated circuits that are complex and mixed, and is hardened by resin pouring and topic to aging behavior.
Thus being high inconsistency and opposing moisture and vibration. When there is an acceptance of the base and crank for fitting, the determination of the location of the crank zero ends can be done randomly within 0 to 360 degrees Celsius. To add on top, the electrical actuator has the temperature, overload, and torque switch safeties. It is a product of high inconsistency, high in control precision, and with a variety of changeable mechanisms for angular travel, it is competent in figuring out the angular travel electric regulating valve.
SMC Electric Actuator
These types of electric actuators provide different advantages; acceleration and speed are controlled and can also be predicted. There can be an achievement of several positions with high accuracy and repeatability. Forces can be almost automatic. With no requirement for condensed air, there are fewer energy costs as well as infrastructure. These types of actuators are designed with a center on easy process and arrangement.
The function parameters are fixed. In addition, there is an easy mode that lets you operate rapidly. The following are the different types of SMC electric actuators: sliders, AC servo sliders, rod and guided rod, AC servo rod, slide tables, rotary, grippers, miniature, controllers, and drivers.
During the rotation of the spindle or rotor, the electric actuator produces a rotational motion. A ball screw nut turns the motor spindle. This actuator spindle is connected directly to a helical screw via the driving shaft.
During spindle rotation, the ball screw nut is forced forward or backward along the helical screw. A hollow piston rod is attached to the ball screw nut, and this creates linear motion into or out of the linear actuator during the engine’s clockwise or anti-clockwise rotating motion.
An electric drive controls the motor and allows the rotational speed, and hence the linear speed of the actuator, to be controlled. A feedback system gives positioning information, and the linear actuator may be programmed to move to and then move again, or return to its position test.
How to Choose An Electric Actuator
The process for selecting an electric actuator is similar to one for hydraulic or pneumatic actuators, with a few differences.
Start with the motion profile. This establishes the demands for velocity and time as well as force (or torque) and the required travel distance. This is also the place to determine the maximum stroke needed as well as maximum and minimum speed requirements.
Then calculate the load. This can have many different components including inertial load, friction load, the external applied load, as well as the gravitational load. Load calculations also depend on the orientation of the actuator itself, whether it’s horizontal or vertical.
Duty cycle is another important factor. This is defined as the ratio of operating time to resting time and is usually expressed as a percentage. The cycling rate may be in seconds, minutes, hours or even days, and knowing the operating hours per day may also be necessary. Knowing the duty cycle helps the engineer estimate the system life requirements and can also eliminate problems such as overheating, faster wear and premature component failure due to an incorrectly sized actuator.
Know the positional accuracy and precision demanded by the application. The actuator’s precision should meet or exceed the application’s requirements for accuracy, backlash, and straightness and flatness of linear motion. This directly impacts the cost of the system; if the application doesn’t demand high accuracy or precision, then there is no need to buy a more expensive actuator when a less expensive one will satisfy the demands of the application.
The Components of Electric Actuators
Front/Rear Clevis
This element, manufactured from metal, is U-shaped, with holes in each and through which a pin, bolt, or fastening device is run. The actuator is allowed to be mentioned to the application by clevis attachments on the front and rear.
Outer Tube
This is also called the cover tube. The actuator’s inner components are housed in an extruded aluminum tube that protects the linear actuators from the outside.
The Inner Tube
The extension tube is also known as the translation tube, piston, or drive tube. Typically, the inner tube is constructed of aluminum or stainless steel. While retracted, the spindle is positioned in the inner tube. This tube is threaded and connected to the driving nut, which expands and retracts as the nut moves along the revolving spindle.
Spindle Component
This is also known as the rotating screw, the lead screw, or the lifting screw. It is a straight long rod that evolves in a tool or machine. Thus linear actuator section rotates retracting or extending the linear tube, resulting in linear motion. The steel spindle ensures longevity and strength. There are several methods for threading the spindle depending on the speed and load capacity.
Safety Stop
This may be found near the end of the spindle. It prevents the inner tube from overextending.
Wiper Sealing Component
This is a sealing component that is connected to the outer tube’s end. It keeps impurities like dust and liquids out of the actuator’s spindle area, it also ensures a suitable seal between the inner and outer tubes, which influences the actuator’s IP rating.
Nut Driver
This is connected to the inner tube and moves along the spindle. The component allows the inner tube to be retracted or extended. The drive nut is composed of plastic or metal and is occasionally sealed to prevent inner tube rotation.
How to Take Care of Electric Actuators?
Electric actuators are crucial components used in a wide range of applications, from industrial automation to household appliances. Proper maintenance and care are essential to ensure their longevity and optimal performance. By following these guidelines, you can extend the lifespan of your electric actuators and avoid costly repairs or replacements.
Regular inspection and cleaning
To keep your electric actuators in top shape, perform regular inspections. Look for any signs of wear, corrosion, or damage. Check for loose screws or fittings and ensure that all connections are secure. Dust and debris can accumulate on the actuator’s surface, affecting its operation. Regularly clean the actuators using a soft, dry cloth or a mild cleaning solution. Avoid using harsh chemicals that may damage the actuator’s housing or components.
Lubrication
Proper lubrication is crucial for smooth and efficient operation. Follow the manufacturer’s guidelines for lubrication intervals and use the recommended lubricants. Over-lubrication can be as harmful as under-lubrication, so apply the lubricant as instructed. Lubricate all moving parts, such as gears and bearings, to reduce friction and prevent premature wear.
Temperature and environmental considerations
Keep your electric actuators in an environment within the recommended temperature range specified by the manufacturer. Extreme temperatures can affect the actuator’s performance and cause irreversible damage. Additionally, protect the actuators from exposure to moisture, dust, and other contaminants. Consider using protective covers or enclosures when necessary.
Avoid overloading and shock loads
Ensure that you operate your electric actuators within their specified load capacity. Overloading the actuators can lead to accelerated wear and reduce their lifespan significantly. Avoid sudden shock loads or impacts that could damage internal components. If you need to make adjustments to the load, do so gradually and with caution.
Monitor operating conditions
Stay vigilant and monitor the operating conditions of your electric actuators regularly. Pay attention to any unusual noises, vibrations, or changes in performance. Detecting issues early can help prevent further damage and the need for extensive repairs. If you notice any irregularities, stop using the actuator and seek professional assistance.
Regular calibration and adjustment
Periodically calibrate and adjust your electric actuators to maintain their accuracy and precision. This step is especially crucial for actuators used in critical applications. Follow the manufacturer’s guidelines for calibration procedures, or consult with qualified technicians for assistance.
Battery maintenance
If your electric actuators are powered by batteries, take care of them properly. You must follow the manufacturer’s recommendations for charging and storage. Avoid fully discharging the batteries whenever possible, as this can reduce their overall lifespan.
Our Factory
Qinhuangdao Jiewei Technology Co., Ltd. is a young and dynamic company.
Jevetec mainly provide electric actuators, pneumatic actuators, ball valve, butterfly valve, gate valve, check valve and other series products and control unit of IOT that exactly suit our customer's needs.
FAQ
We're well-known as one of the leading electric actuator manufacturers in China. If you're going to buy high quality electric actuator in stock, welcome to get quotation and free sample from our factory. Also, customized service is available.
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