Linear Actuators Assist in Automation

To control a mechanism or system, a mechanical device known as actuator is used. It is operated by an energy source like hydraulic fluid pressure, electric current or pneumatic pressure and converting that energy into some kind of motion. Whereas a linear actuator is the type of actuator that when driven by a non-linear motion, creates linear motion (as compared to rotary motion, e.g. of an electric motor). The best ways of achieving Mechanical and hydraulic actuation are hydraulic and linear actuators. To be precise it is a mechanical device that creates force and motion, from a given energy source, in a linear manner, as compared to rotationally like an electric motor.

They modulate control valves, move work tables on industrial machines, move printer and scanner heads back and forth on computer equipment and drive material handling equipment and robotics. They drive lifts and shovels on construction equipment and provide the oscillatory motion of audio loudspeakers. The magical machines are powered by 12 or 24 volt power sources. A power adapter, car or marine battery can be connected to an actuator with ease. These instruments are popular in many fields such as medical equipment, furniture, consumer products, hobby design and any other products where automation is needed.
Conversion of rotary motion into linear motion is the operational basis of Mechanical linear actuators. A few simple types of mechanism generally get the conversion accomplished.

The DC linear actuators can be combined with control boxes, rocker switches and mounting brackets and the control box will enable you to connect to a regular (AC) home outlet and the mounting brackets are designed specifically for mounting our PA-02 actuators. It takes less than five minutes to set up the control boxes and operate it. Every control box comes with a remote to control the dc mode of the instrument's movement or a foot pedal can be purchased instead.

Most of the linear actuator designs functions on a simple basic principle. The principle is guided by the character of an incline plane. A lead screw threads act as a prolonged ramp that allows a small rotational force to be operated over a long distance to gain movement of a heavy load over a short distance.
Some of the combination of the instrument may be:
Force Speed
120 lbs 1.50 inches per second
160 lbs 1.18 inches per second
250 lbs 0.98 inches per second
330 lbs 0.63 inches per second

Progressive Automations is a popular supplier of the largest on-line selection of small to mid size linear actuators. It provides a large variety of competitively priced linear actuators in different sizes, force and speed.

Linear Actuators - Useful Factors to Consider

Selection of hydraulic, pneumatic and electric devices is dependent on the requirement of applications. And one is needed to check the efficiency of motion-based devices which they need to purchase. Usually, linear actuators are easy to mount and need no pipework. And some factors are there which if considered can help one to analyze the performance of the devices. Factors which will be discussed in this article are - linear speed, stroke, push/pull force, service factor, critical speeds and buckling limits.

Linear speed
Either the devices are large or small in sizes; they come with specific linear speed. Ball screw based actuators do not come with critical speeds. As per need and applications, you ca n use the device coming with different linear speed to move or lift anything.

Stroke The maximum possible displacement of actuator, typically in negative or positive excursions from certain central null position is referred as the stroke. And ±1 to ±10 micrometres are the range up to which the stroke can be measured.

Free actuator stroke is known to limit the amplitude of corrected wavefront. Big-time performance can be expected from short stroke actuators. Stroke is measure in mm and can be ranged from 120 mm to 1560 mm depending upon the application for which the device has been designed.

Push/pull force Actuators convert rotary motion into linear displacement with the help of gears and screws. And push/pull force is the factor that defines the performance of the device up to a large extent. And the push/pull force explains the power, capability and expected performance of the device for the desired application. Linear actuator, 20*15*13mm comes with the push/pull force of 10-270g.

Service factor The service factor is the factor which describes the measurement of periodically overload capacity with which the actuators can work without damage or overload. Individuals should know that the linear actuator that comes with service factor i.e. SF is expected to come with reduced life as compared to devices that are operating at rated nameplate horsepower.

Buckling limits The sudden failure of the device when subjected to high compressive stress is called as buckling limits of the linear actuators. Moreover, the failure can be occurred due to elastic instability. Complete loss of load-carrying capacity of linear actuators can make one to suffer. Thus, one needs to check this factor seriously.
From above discussions, it can be said that if these factors are considered, one would be able to get high-performance based linear actuators without any hassle.

It's a nice way to get desired size and quantity of linear actuators through online shops. And Progressive Automations have been serving individuals in this regard in the US and Canada. Customization of products is also possible with this online shop.

Essential Qualities Of An Electric Valve Actuator

So your electric valve actuator has seen better days. Maybe you've had it for a quite a long time and it is now due for replacement. To determine your requirements always ensure that you are selecting the right model that would fit your HVAC system. This would ensure that the actuator that you would be getting would be a perfect fit that would ensure that your HVAC system is running on a consistent and efficient basis.

There are several things that you need to look into when buying an actuator. The first thing that you should most sensibly do is to check for the part number to know whether the actuator you got could be fitted with a compatible system.

Standards and Other Requirements
The International Standards Organization provides for the standard specification for electric valve actuators. If the manufacturer states that the actuator is industry compliant then it must provide for the ISO number or standard that it complies with.

Another thing to look into when looking for good and high quality actuators is a fail safe function. These are usually incorporated in order to ensure that even when the device malfunctions, the actuator would have a mode that would compensate for this.

The casing should also be sturdy and if possible weather and moisture proof. Since the casing houses the motor, and performs in conditions that have high moisture, protecting its electrical parts should be a foremost consideration. Leakages and short circuits can occur should moisture come inside the housing.

Wiring
The beautiful thing about Honeywell actuators is that they provide consistent wiring. Their whole line of actuators was built on the same principle of uniformity and standard to ensure that they are easily serviceable by technicians. Conforming to a standard wiring system also prevent accidents and increases the safety of the mechanism.

It is highly inadvisable to make use of custom wiring for the actuator. If possible, always comply and follow the diagram of the wiring system provided. Incorrect wiring could lead to electrical faults that are very dangerous.

Heavy Duty or Light Duty
To save on costs, also determine whether the actuator is for heavy duty or for light duty usage. Honeywell's Herculine series was built with heavy duty application in mind while the Honeywell actuators modutrol is intended for light duty purposes.

The performance difference would significantly affect the efficiency of your HVAC system so be sure to select the appropriate one for your needs.

Protection
Another important electric valve actuator feature is protection from overloading. All aspects on usability should focus on the vital requirement for safety. Remember that these valves control the flow of materials that could pose a serious risk not only to the equipment itself but also to your property and personal safety as well.

To say that Honeywell's line of actuators is extensive and quite expansive is an understatement. You have a whole line of choices ranging from hydraulic, solenoid, linear, mechanical, fan coil, motorized and others. Be sure to consult your HVAC service to know which one you need.

Choose from a vast inventory of an electric valve actuator and see which one suits your requirements. Getting your actuator from a reliable source will also help you in selecting the best one. For more information, please visit hvaccontrolparts.com

Ensuring Performance of Electric Linear Actuators

Electric actuators come with benefits like simple to use and offer more energy-efficient power transmission. This may not surprise you to hear that the actuators are found in commercial kitchen equipment, high-voltage switch gears, agriculture machinery, train doors, bus doors and also in medical machinery.

Adding to it, areas where compactness, safety, comfort and low noise are the goals, electric linear actuators can be easily seen there. This article will deal why we need to go for reviewing of the products before the purchase? How it helps in ensuring the performance of such actuators in desired field?

Unique requirements
As discussed above that the actuators have been getting used in various industrial areas and this is the fact that each application has specific and unique requirements. This is the reason why we need to check the performance and features of product before the purchase.

System's design
Actuators meant for different applications are manufactured by considering the needs and purpose of systems in the particular field. It can also be said that the design and manufacturing process varies from application to application. Thus, considering unique requirements, checking design of the systems will help a lot to decide whether the system is worth to purchase for the application or not.

Key parameters
There are certain key parameters to select the actuation system. Such parameters ultimately play an effective role in ensuring the system operation. So, along with system design, necessary capabilities are also required to be verified before taking final decision of the purchase.

Essential qualities
Whatever be the size of electric linear actuators is, they all are designed and manufactured to offer features like precision, accuracy, efficiency and controlling movement capabilities. Being considered as advanced technology based and maintenance-free alternatives to pneumatic actuation systems, electric actuators serve practically and efficiently all over.

Load, speed and strokes
As per the application, the actuators come with different speed; strokes and capacity to bear load.Modern actuators come with the capacity to handle the load of about 3000 pounds and speed up to 6 inches/second. As far as strokes are concerned, one will find the actuators working with strokes from 2 inches to 60 inches.

Standard components
There are certain standard components of electric actuation systems which one is required to check. Such components include drive screws, front and rear attachments, motors, controls and limit switches. For better results, one can also go for the customization of products. A number of knowledgeable and experienced actuation system suppliers are present in the market to serve us in this regard.

Hence, from the above discussions, it can be said that after checking these aspects, one will be able to get high performance based electric linear actuators.

Progressive Automations are the manufacturer and distributor of a diverse range of electric linear actuators in the US and Canadian region.

Linear Actuators: Types and Characteristics

A Linear Actuator is different from electric motor because it applies force in a linear way instead of rotationally. The linear motion can be achieved in different ways and a linear actuator is one of the devices that can covert rotational motion to linear motion.

Mechanical type
A mechanical actuator converts the rotary motion to linear displacement through screws/gears to which a knob is attached. One of the renowned examples of mechanical actuator is a jackscrew or car jack. Mechanical actuator is used in lasers and optics for manipulating the position of mirror mounts, linear stages and many more positioning instruments.

Hydraulic type
A hydraulic actuator or cylinder has a hollow cylinder with a piston inside it. Controlled linear displacement of the piston is achieved by pressurizing/de-pressurizing two sides of the piston. Hydraulic car jack is the most common example of a manually operated hydraulic actuator.

Electro-mechanical type
A linear electromechanical actuator is a in which a nut is the main part of the motor. The lead screw of the actuator doesn't rotate and the lead nut is rotated by the motor. It is similar to mechanical actuator but an electric motor is used instead of a control knob or handle.
The modern linear actuators come in different designs and every manufacture has their own proprietary methods of making actuators.

Principles of Linear Motion Actuators
The basic operation principle of linear motion actuators is an inclined plane. The lead screw has threads, which act as ramp and allow small rotational force that can be used over long distance for achieving the movement of large load within a shorter distance.

Variations in Linear Motion Actuators
There are different variations in the basic design of linear actuators. Most of the devices have general improvements like higher speed, efficiency or load capacity. Nowadays, manufacturers are also focusing more on reducing the size of these actuators. There is variety of actuators available in market, which fits specific industrial needs of buyers.
What make linear motion actuators better in comparison to other motors are their faster speed, higher accuracy and greater acceleration. These are used for gantry axes, general purpose position, gantry axes and assembly machines. Linear actuators are specially meant to be used in adverse conditions and act as replacement against other hazardous actuators for performing the job.


Other than linear actuators, DC actuators are also used for performing similar applications. These run smoothly and don't produce much noise. Many DC actuators available in the market are water proof. Buyers can opt for standard as well as customized range of actuators depending on their need and budget.

IntelLiDrives, Inc. manufactures linear actuators, rotary tables and XY systems
For more information visit http://www.intellidrives.com

Linear Actuators Facilitate Precise Motion Control

When it comes to critical motion control applications, the role of linear actuators is indispensable. These machines precisely control the angle, the distance and the repeatability of motion. Right from industrial use to commercial applications to domestic appliances, you will find a linear actuator being used almost everywhere. Since they are such a critical component of varied set-ups, it becomes critical to choose a state-of-the-art manufacturer for your requirements.

Whether it is a commercial actuator, satellite actuator or solar tracking actuator, each of them needs to be at par with global quality standards. A manufacturer who has an established name as a lead in mechanical motion technology should certainly be your preferred choice.

As an OEM or contract manufacturer, it is imperative for you to be closely associated with the sales and technology teams of the linear actuator manufacturer. This helps in building the right prototype and end product. In order to understand the applicability of actuators, let's take a quick look at the varieties of actuators typically offered by a leading industry player:

Commercial DC actuators:
There are two main varieties under this category, such as ball screw actuators and acme screw actuators. These actuators are used for a variety of applications ranging from commercial satellite tracking to agriculture to medical to ATVs. You might even find these actuators being used in dental and fitness products, proving their versatility.

DC actuators:
You could opt for ball screw DC actuators or acme screw DC actuators. The supreme responsiveness of the ball screw movement creates the need for an integrated mechanical or electrical brake to minimize any back-driving potential. On the other hand, the geometry of the acme screw thread is slightly less efficient than the ball screw. However this also means that you don't need to employ an electric or mechanical brake.

Satellite actuators:
The home satellite TVRO industry heavily relies on such actuators. They are preferred because they are user friendly and easy to install, providing long lasting service. You can choose between different types of linear actuators that are suitable for heavy as well as light-weight dishes.

Solar actuators:
With the increasing awareness and preference for renewable energy, the demand for solar actuators has been on the rise. These actuators are built especially to meet the needs of the solar industry and are available as acme screw and ball screw type actuators.

Stepper motor actuator:
These actuators and brush-less DC motors can be chosen as a motor option on certain actuator models. When a superior level of controllable is needed these actuators should be used. DC gear motors should be highly compatible with your chosen model of actuators.

Whether you need linear actuators for commercial, industrial or home-based use, the marketplace offers a wide variety. All you need to do is search for the best manufacturer and make an informed choice.

Being a professional Technical Engineer I am always writing articles about the latest technology used in industrial usage has been my forte over the last few years. Follow my write ups to know more about the latest technologies in mechanical industry. This fall Linear Actuators, DC Actuators, Stepper Motor Actuator are very much in demand among the mechanical industries across the world. Keep yourself updated on these products exclusively from USA.

Robot Linear Actuators

Converting potential energy into mechanical energy is a hot field of study in science. Actuators are the devices that scientists study that convert different forms of energy into mechanical energy or motion. Not only are actuators a hot topic of study in robotics, but they also have benefits in medicine as well. Scientists believe that the more they can improve on actuators, the more it will benefit all of mankind.

The method in which a linear actuator works is that there is a motor that rotates a drive screw using a synchronous timing belt drive. There are some linear actuators can also use a worm gear or direct drive. Whatever the type of linear actuator, the turning of the screw pushes a drive nut along the screw, which then pushes the rod out. Spinning the screw in the opposite direction will retract the rod. The drive screw is either an ACME or ball thread or is belt-driven which is what gives the machine its motion. A cover over the screw protects the screw nut from environmental elements and contamination thereby allowing for the machines use continually without the chance of it getting gummed up. Thrust bearings allow the screw to turn freely under loaded conditions and gives the linear actuator its strength.

Linear actuators usually serve as part of motion control systems. These days most are run by computers. Control systems, a device that you find linear actuators in, move or control objects. This is made possible by the actuators.

Different forms of energy or energy sources can be used to power an actuator. The most common types of energy used are: hydraulic, mechanical, electrical, and pneumatic. Actuators are most commonly found in the robotics and industrial robotics industry.

Whatever type of actuator you use, it will depend on the required motion you seek. By far and away the most popular type of actuator used is for linear or straight line motion. You also have a few options available when purchasing an actuator. You have stroke length which is the amount of linear motion you get per revolution and also the load rating which is how heavy the object that you are going to move can be. Also you should keep in mind the amount of space an actuator will require. You can also buy a programmable actuator which allows you to program various operational efficiencies of your actuators.

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What Is Actuator System?

In lots of cases, we might have been thinking what an actuator really is or maybe we may have heard of many descriptions of what they are really used for. An actuator system in its simplest term is something that’s used to transform energy into motion, it will also be used in other forms such as applying force. I have been researching for the very best description that may be understood by all people and found out that it is basically a mechanical device that takes energy that’s created because of either air, liquid, or electricity and converts this energy into a type of motion. That motion which is generated by the actuator system could be anything from ejecting, clamping or blocking. Actuators are primarily used in industrial or manufacturing applications and they can be use in such things as switches, motors (actuator motor ), and valves (valve actuator).

In my analysis, I found out that there are a number of kinds of actuators and the commonest of them are these which are powered by air. Actuator systems can also be powered by hydraulic or electricity like in the case of rotary actuator and valve actuator. I also found out that there are also electric cylinders such as the air cylinders and hydraulic cylinders with the purpose of converting the hydraulic electricity into motion. Some types of autos use the hydraulic cylinders.

Most of the actuator systems we see today are powered by multiple power source like in the case of the valve actuator. The valve actuator can be powered by both air and electricity. Actuator control systems can create a rotary motion, linear motion or oscillatory motion. That’s actuator systems can create motion only in a single direction either in a circular motion or in the wrong way at some regular intervals. Electric motor actuators differ extensively in their applications and design. We all know of some electric motor actuators that are designed to operate in only two positions both when fully closed or when fully opened whereas other electric motor actuators are placed between the two positions.

We could have seen previously how valve actuators have been ineffective, however presently, electric valve actuators have made progress in the previous couple of years in both their performance and acceptance. The most important improvements that have been made to the electric valve actuators include the level of the resolution, speed and repeatability. In addition, the fail-to-position capability which has been absent with the previous valve actuators is now available and this has been possible because of the advances in the application and reliability technology of capacitors. We may have come across low-power actuator systems that may be run on solar power.

Usually, these actuators which are run by solar power are mostly used for isolating rather than for heavy duties like modulating. For modulating duties, continuous supply of power is required in order to move the actuator motor to the intended set point.

Typically, actuator system is a device capable of converting energy to motion. With the advancement of science and technology, today we can find the application of actuators in almost all the equipments used in our daily life activities.

Linear Actuators

A linear actuator develops force and motion from an energy source. As evident by its name, the force and motion from this energy source is created in a linear manner by the linear actuator. This is contrast to the force and device developed by an electric actuator. The electric actuator develops force and motion rotationally. There are several kinds of linear actuators and linear motion can be achieved by many devices. Below is a list of types of linear actuators. Basically, actuators produce converts various forms of energy into mechanical energy. 

Hydraulic linear actuator: Hydraulic cylinders, better known as hydraulic actuators have a hollow cylinder with a piston inserted inside it. As its name suggests, the hydraulic linear actuator is built on hydraulic principle. The controlled precise linear displacement of the piston is achieved with the alternate pressurization and depressurization. This is turn creates a controlled and precise linear displacement in the entity that is connected to the piston. They normally use a hydraulic fluid and a cylinder to create motive force. An incompressible fluid is used to apply a force at one point, which is then transmitted to another point. Hydraulic linear actuators are a low maintenance device. Also, they work well for longer periods of times even in bad environmental conditions. Hydraulic actuators are quite an important part in hydraulic table lifts, used to move around heavy workpieces and hydraulic cab lifts, which are generally used in tow trucks and fire engines.

Electro Mechanical Actuators: Electro mechanical linear actuators are quite similar to mechanical actuators. The only major difference between an electro mechanical and a mechanical linear actuator is that the control knob is an electric motor. The rotary motion is then converted into linear displacement of the actuator.

In a linear actuator, a drive screw is rotated by a motor. This is done with the help of a synchronous timing belt drive or a direct drive or worm gear drive. This turning of the screw helps in pushing the drive nut along the screw. This drive nut in turn pushes the drive nut along the screw, and pushes the rod out. The rotation of the screw in the opposite direction will retract the rod.

The basic concept of linear actuator is to move an object in a straight line. Therefore, you would have to consider the purpose of the project before deciding on a linear actuator. The main aspects that you would have to keep in mind are the stroke length, the speed and the load rating of the actuator, before deciding on the type of actuator that you would be using.

There is a lot of information available about linear actuators all around. The Internet is the best place to get information about linear actuators. You can sign up on any forums or groups to find more information about the various types of linear actuators. Of course, while using linear actuators you will have to keep several things in mind, like safety concerns, environmental hazards and space constraints.

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Electric Actuator

Actuators are used for the automation of industrial valves and can be used in all kinds of technical process plants such as wastewater treatment plants, power plants and even refineries. The valves to be automated vary both in design and dimension. The diameters of the valves range from a few inches to a few meters. Multi-turn actuators are required for the automation of multi-turn valves. One of the major representatives of this type is the gate valve. "A multi-turn actuator is an actuator which transmits to the valve a torque for at least one full revolution. It is capable of withstanding thrust."

Part-turn actuators are required for the automation of part-turn valves. Major representatives of this type are butterfly valves and ball valves. "A part-turn actuator is an actuator which transmits a torque to the valve for less than one full revolution. It need not be capable of withstanding thrust."

Currently there is no international standard describing linear actuators or linear thrust units. A typical representative of the valves to be automated is the control valve. Just like the plug in the bathtub is pressed into the drain, the plug is pressed into the plug seat by a stroke movement. The pressure of the medium acts upon the plug while the thrust unit has to provide the same amount of thrust to be able to hold and move the plug against this pressure. Most of the linear actuators used are pneumatic diaphragm actuators. They are characterized by a simple design principle and are therefore cost-effective. A compressed air supply is a prerequisite for their use. In case this is not possible, the use of thrust units is recommended which can easily be supplied with power.

Small electric actuators can be used in a wide variety of assembly, packaging and testing applications. Such actuators can be linear, rotary, or a combination of the two, and can be combined to perform work in three dimensions. Such actuators are often used to replace pneumatic cylinders.

Electric Actuator: Popular Actuator Styles

Actuators have a close relationship with the control valves. Like many mechanical components, they also have various types. Pneumatically operated control valve actuators are the most popular type in use. Besides, the electric, hydraulic, and manual actuators are also widely used. The spring-and-diaphragm pneumatic actuator is most commonly specified due to its dependability and simplicity of design. Pneumatically operated piston actuators provide high stem force output for demanding service conditions. Adaptations of both spring-and-diaphragm and pneumatic piston actuators are available for direct installation on rotary-shaft control valves. 

Because different types of actuators have different designs and characteristics, it is very necessary to distinguish them from each other. Diaphragm actuators pneumatically operated diaphragm actuators use air supply from controller, positioner, or other source. This kind of actuators is simple, dependable, and economical.

Piston actuators are pneumatically operated using high–pressure plant air to 150 psig, often eliminating the need for supply pressure regulator. This kind of actuators furnishes maximum thrust output and fast stroking speeds. Various accessories can be incorporated to position a double-acting piston in the event of supply pressure failure. These include pneumatic trip valves and lock-up systems. 

Compared to other types, electro-hydraulic actuators require only electrical power to the motor and an electrical input signal from the controller. Electro-hydraulic actuators are ideal for isolated locations where pneumatic supply pressure is not available but where precise control of valve plug position is needed. Units are normally reversible by making minor adjustments and might be self-contained, including motor, pump, and double-acting hydraulically operated piston within a weatherproof or explosion-proof casing.

The next one is the manual actuator. It is useful where automatic control is not required, but where ease of operation and good manual control is still necessary. They are often used to actuate the bypass valve in a three-valve bypass loop around control valves for manual control of the process during maintenance or shutdown of the automatic system. Manual actuators are available in various sizes for both globe-style valves and rotary-shaft valves. They are much less expensive than automatic actuators. 

Rack and pinion designs provide a compact and economical solution for rotary shaft valves. Because of backlash, they are typically used for on–off applications or where process variability is not a concern. Traditional electric actuator designs use an electric motor and some form of gear reduction to move the valve. Through adaptation, these mechanisms have been used for continuous control with varying degrees of success.

Electric Actuators: Bosch Opts for Vitronic’s Inspection Technology!

By: Malcolm Smith

Bosch is using six VINSPEC automated inspection units from Vitronic to ensure the flawless production of its new piezoelectric actuators. Piezoelectric actuators work in car engine fuel injection systems to reduce fuel consumption, noise, and carbon emissions. They make for clean, efficient running vehicles.

What is piezoelectricity?
Piezoelectricity is the ability of some materials to generate an electric field in response to applied mechanical stress. This effect is reversible – such materials produce mechanical stress in response to an applied electric field.

How do piezoelectric actuators work?
A vehicle’s fuel injection system injects pressurised fuel into the engine cylinder through a valve in precise quantities at precise intervals. Traditional injection systems open and close this valve using electromagnets. Bosch’s new actuators use piezoelectricity to control the valve quicker and more accurately than traditional systems, which makes for an efficient engine.

Foil printing
Bosch’s new actuators consist of stacks of special piezoelectric ceramic foils printed with strip electrodes, and guide marks to ensure accurate stacking. After printing, a robotic gripper deposits foils on a conveyor. Fast line-scan cameras from Vitronic capture high-resolution images of each as they travel along.
The first VINSPEC system inspects these images to identify flaws on foils, such as holes, missing print, and bleeding. It also checks the position of the strip electrodes and guide marks. If the foils pass all inspections, they are dried and sent for stacking. Faulty foils are unusable, so VINSPEC immediately discards them.

Precise automated stacking
Robotic grippers then stack several foils into a block on a positioning table. Accurate stacking is essential to ensure actuators function correctly. By analysing images acquired by its cameras, the second VINSPEC system identifies a foil’s guide marks and calculates its position, before instructing the robotic grippers to stack the foils precisely. Completed stacks are laminated. This causes the foils to harden and form solid blocks. Without using the machine vision system VINSPEC it wouldn’t be possible to produce functional actuators.

Raw actuator processing
Next, a specially coated saw automatically divides the hardened blocks into bars and then into so-called ‘raw actuators’. Cutting bars into raw actuators is a delicate process. An incorrect cut can interrupt the strip electrodes and render actuators unusable. The third VINSPEC system captures photographic images of foil blocks, measures each bar to the nearest micrometer, and coordinates the saw to product precise cuts.
The fourth VINSPEC system inspects the function and quality of the raw actuators before sending them for further processing. Checks include actuator dimensions and electrode position. Only flawless actuators pass to the next production stage.

Final production stages
Bosch applies a layer of insulation finish and electrical strip contacts to actuators before installing them into the fuel injectors. Finish must be evenly applied and bubble free. Strip contacts require careful soldering and must be clear of finish. Defects lead to short circuits, which render actuators unusable. The fifth and sixth VINSPEC units monitor these processes, and immediately discard faulty actuators.

Complete control
Operators can observe the inspections on monitors at each VINSPEC station. Graphical user interfaces mean results, live photographic images, and system status reports are all easily accessible, allowing operators to intervene if they detect production discrepancies. All inspection results are stored, allowing Bosch to produce statistical evaluations and optimise its manufacturing processes.

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For more information visit http://www.vitronic.de

About the Author
Malcolm Smith is the UK Sales Manager at Vitronic. Vitronic is a leading supplier of machine vision systems. A global company, it provides advanced technological solutions to a broad range of markets, such as logistics, traffic control, pharmaceutical manufacturing, and industrial robotics.

For more information visit: http://www.vitronic.com

(ArticlesBase SC #1526216)

Article Source: http://www.articlesbase.com/ - Bosch Opts for Vitronic’s Inspection Technology!

Electric Actuators: 100 Division Special Xue

By: erenber

HC Valve Network: Editor's Note: Special Technology Co., Ltd. Zhejiang 100 Division, in just 4 years of development time, with foreign brands through positive Cooperation Efforts to expand the domestic market, has won the trust of customers in the industry, also gained high market share. This naturally can not do without one special person for each 100 Division unremitting struggle and studying more and is closely related to the 100 Division special teams. Formed group, the creation of well-known brand, will be the 100 Division special next action. In Financial Crisis, 100 Division Special understand the industry, market, expand business philosophy, to seize more business opportunities. In this regard, HC Network Zhejiang 100 Special Technology Co., Ltd. Executive Director of the Division has done an exclusive interview WANG Xue-ping, Secretary for listening to its resolution 100 special management process unique business philosophy.


Special Technology Co., Ltd. Zhejiang 100 Division Executive Director Xue-Ping Wang


Special Technology Co., Ltd. Zhejiang 100 Division Executive Director Xue-Ping Wang (right) and foreign photo


Integration of resources for our use


Division Special Technology Co., Ltd. Zhejiang 100's predecessor Intelligent Control Valve Co., Ltd. Yongjia County, initially established when only one or two Sell Staff, the main processing, production of some casting valves, fittings. With the constant changes in the external market environment, the existing production system and Marketing Model has been unable to adapt to the development of pump and valve industry, so in mid-2005, Intelligent Control Valve Co., Ltd. Yongjia County, was a change, we set up a special today, Secretary for Science and Technology Co., Ltd., Zhejiang 100. Founded after the Wang visit several domestic and international market, to see the domestic and foreign actuator actuator in the technical differences, but also found the actuator market, good prospects for development, that "the introduction of international products, for our own use" The development concept. On the one hand, positive and actuator negotiate international brands, on the other hand actively explore the domestic market, distribution channels, the introduction of a large number of actuators foreign mature products and technologies to increase its research and development efforts, and in Yangzhou, Changzhou, one after another set up a marketing center electric actuator. Within a few years, the Secretary of Zhejiang 100 special growing.


And international brands, it is an honor, but also that the Secretary of Zhejiang 100 special strength. Wang believes that the introduction of foreign cooperation is not only high-end products, but through this means of communication, a deeper dig their products look beautiful under the performance and technology; through technical exchanges with foreign experts, continuously update their technical knowledge, develop research ideas, time for themselves are at the forefront of the actuator in the field. Cooperation is a learning. Learn from others advanced technology, culture, and management, of course, draw on successful experience, find their own path of development is the ultimate goal. In the product design process, the domestic products and international products remaining gap. Wang gaps that this fundamentally is a difference between the attitudes and beliefs, rather than physical gap. Domestic producers of the product's overall design, basically uphold "can be used on-line" attitude. Through external cooperation, we have gradually adapt and make changes in values and attitudes, will focus on the concept of design into our new products.

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Electric Actuators: Ball Valve's Installation and Maintenance Introduction

By: fsbic

1), Check the preparation work before installation
1. Make sure the installation site pipeline is coaxial and the two flanges on the pipeline should keep parallel; confirm the pipeline could support the ball valve's weight. If not, an appropriate support needs to be equipped on the pipeline before installation.
2. Confirm whether there is impurity and welding slag, etc or not in the pipeline. For it must be clean.
3. Check the ball valve's nameplate and do full open and full close operation on ball valve for several times. Check it could be normal operation and excellent without damage.
4. Wash and examine the valve inside is clean after removing protected cover both ends of the valve. For the ball valve's sealing face is ball shape, even a tiny sundry could damage the sealing face.

2),Installation
1. Any part of the ball valve could be fixed at the upstream ends and the hand lever ball valve could be fixed at any position of pipeline. If the ball valve needs to be equipped with actuator (gearbox or electric, pneumatic actuator), the actuator must be vertical. The valve import and export should be in a horizontal position.
2. The flanges and pipeline flanges are designed according to pipeline, which need to equip packing seal.
3. The bolts on the flange should be screwed down symmetrically, gradually, uniformly.
4. If the valve adopts electric actuator, pneumatic actuator or hydraulic actuator, please equipping the air supply and main supply according to instruction.

3),The inspection after installation
1. Finishing the installation, please start the open and close operation several times and you should do it flexibly so that the stress will be uniform and the operation will be normal.
2. According to pipeline pressure design, test the performance of ball valve and pipe flanges' junction surface after pressure opening.

4),Maintenance
1. Only unrig the ball valve's inlet and outlet pressure, and then you could do dismantling operation.
2. At the process of dismantlement and reassembling, you need to protect the valve with sealing spare part, especially the nonmetal, just as o-ring, which would better use the special tool.
3. When the valve body is reassembled, the bolts need to be screwed down symmetrically, gradually, uniformly.
4. The cleaning agent should be compatible with ball valve's rubber, plastics, mental and working media (fuel gas), etc. When the working media is fuel gas, you could choose gas (GB484-89) to clean mental spare parts. While the non mental could be cleaned by purified water or alcohol.
5. Some single parts that dismantled may be cleaned by baptism. Some mental with non mental that has not been dismantled use the silk with cleaning agent to clean it (avoid the fiber drop off and conglutinate to the spare parts). So when you clean it, please wipe off the things (oil, bilge, gum deposit, dust) on the wall.
6. When the non mental parts finish cleaning, they should be taken out of the cleaning agent at once and should not be dipped in for a long time.
7. Finish washing, you should wait until the cleaning agent on the wall volatilizes entirely and then go on equipping (or use the silk without cleaning agent to clean it). But the time could last long, otherwise the valve will be rust and polluted by the air.
8. Some new spare parts also need to be cleaned before equipment.
9. Use lube to make it smooth. The lube should be compatible with ball valve's rubber, plastics, mental and working media (fuel gas), etc. When the working media is fuel gas, you could use lube-221. Next coating a layer of lube on the surface of sealing install rabbet, on the surface of rubber sealing and on the stem's sealing face and rubbing face.
10. During equipping, it is not allowed to let the metal chips, oil (except prescriptive ones), fiber, dust and any other impurity to pollute, adhere to or stay on the surface of the parts or let it inside.
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FBIC Inc., a member of Siduona group in flow-control business, has over 15 year experience in manufacturing ball valve, gate valve, globe valve, check check valve, plug valve and butterfly valve in carbon steel, stainless steel Valve.

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Article Source: http://www.articlesbase.com/ - Ball Valve's Installation and Maintenance Introduction

Shanghai Fu by : Packaged into the international market - control valves, air conditioning, electric actuator - HVAC Industry

By: mumu

Shanghai Fu for Fluid Power Equipment Co., although the age is a very young company, but its predecessor was once a well-known companies on the Haitai Kelon. Xu Fu in 2006 because of general manager with the valve in the field of automatic control and the successful experience and career confidence Cooperation Haitai Kelon received and Taiwan in the past on your dragon electric valve company Actuator , Control valves, etc.. To win the face price-controlled domestic equipment market, Fu because of faltering, but the total Xu and colleagues still insist on the company's excellent product worked hard market, and plans to the international market! Not long ago, HC network had the honor to interview the editor of Shanghai Fu, General Manager Mr. Xu Guofeng result, let us hear about us personally Xu Fu total for the origin and development goals.

Shanghai Fu General Manager Mr. Xu Guofeng by

HC Network: Xu General Hello! Please briefly explain your situation.

Xu Guofeng: Our company is 100% of the production companies, mainly engaged in electric actuators, and HVAC control valves and components production. Produced by electric actuator, control panel (device), and temperature / pressure Sensor With all kinds of electric control valves, can be widely used in automation and HVAC systems a single and centralized computer control.

2006, the company received the Haitai Kelon (TYCO), and Taiwan in the past your dragon's electric valve actuators and HVAC related electric control valve component products, related products since 1997 have large products in domestic and international use, product performance and stability. Currently the management of our company are long past your valve company in Taiwan specialized managers.

Order to enhance product stability, the electronic components have passed strict Taiwan EMI / EMC immunity testing, and have obtained CE certification ( : LC070619-63-LVD, LC070619-63-EMC, LC070619- 62-LVD, LC070619-62-EMC), thus greatly improving product stability.

Through the first of ERP / MRP software and e-ISO9001 (BSI : FM522775) quality assurance system, efficient management of company resources, customer-oriented R & D innovation for the purpose and policy to achieve domestic and international customers to provide satisfactory products and services goals.

HC Network: What company out of consideration received on the Haitai Ke and Taiwan in the past your dragon Valve Company products?

Xu Guofeng: So, I am in Taiwan to engage the valve of your long work (93-03 years), and then merge your dragon to Tyco, and then I went on to follow with Tyco (03 this year), and Tyco in the valve aspect is a strength in the industry have no small reputation. I have been engaged in the work of the valve, a better understanding of this industry, so in 2006 on the acquisition of two electric actuators, controllers and valves and other products. Now, although the product's name changed, but the quality of products and technologies will not worse than the original, please be assured of our customers.

HC Network: We see your company's main product is electric actuators and air-conditioning, please introduce us.

Xu Guofeng: Our main products are two series, one is the electric control valve, which includes Butterfly , Ball , Gate valve and other major applications in civil construction, water companies, power plants and other places. Another series

HVAC control valves, which includes the HVAC terminal equipment, Fan Coil Unit With a temperature control valve and the panel, wind cabinet, pressure balance valve and so on. Mainly used for air conditioning, hotels, restaurants, hospitals and other places.

We also carried out market research, although the price of our products in the market is relatively high, but our costs are high. We are a professional valve manufacturers have done, started from 97 years of research and production of valves, so we know how well their products. Currently we are studying the new product, but also expect it to have a good market performance.

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Article Source: http://www.articlesbase.com/ - Shanghai Fu by: Packaged into the international market - control valves, air conditioning, electric actuator - HVAC Industry

Electric Actuator

By: varalakshmi

Actuators are used for the automation of industrial valves and can be used in all kinds of technical process plants such as wastewater treatment plants, power plants and even refineries. The valves to be automated vary both in design and dimension. The diameters of the valves range from a few inches to a few meters.

Multi-turn actuators are required for the automation of multi-turn valves. One of the major representatives of this type is the gate valve. "A multi-turn actuator is an actuator which transmits to the valve a torque for at least one full revolution. It is capable of withstanding thrust."

Part-turn actuators are required for the automation of part-turn valves. Major representatives of this type are butterfly valves and ball valves. "A part-turn actuator is an actuator which transmits a torque to the valve for less than one full revolution. It need not be capable of withstanding thrust."

Currently there is no international standard describing linear actuators or linear thrust units. A typical representative of the valves to be automated is the control valve. Just like the plug in the bathtub is pressed into the drain, the plug is pressed into the plug seat by a stroke movement. The pressure of the medium acts upon the plug while the thrust unit has to provide the same amount of thrust to be able to hold and move the plug against this pressure. Most of the linear actuators used are pneumatic diaphragm actuators. They are characterized by a simple design principle and are therefore cost-effective. A compressed air supply is a prerequisite for their use. In case this is not possible, the use of thrust units is recommended which can easily be supplied with power.

Small electric actuators can be used in a wide variety of assembly, packaging and testing applications. Such actuators can be linear, rotary, or a combination of the two, and can be combined to perform work in three dimensions. Such actuators are often used to replace pneumatic cylinders.

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Electric actuators: Different Types of Actuators

By: Lois Ling

An actuator is used to put something into automatic action. It is a mechanism by which an agent that can be either an artificial intelligence agent or any other autonomous being acts upon an environment. Meanwhile, it is the final element in a control system that can receive a low power command signal and energy input to expand the command signal as appropriate to produce the required output.

Like other things, there are also various types of actuators. The first type I have to mention is the linear actuator. It is a device that applies force in a linear manner, as opposed to rotationally like an electric motor. It provides a linear motion via a motor driven ball screw or ACME screw assembly. The linear actuator's load is attached to the end of the screw, or rod. The screw can be direct, belt, or gear driven.

The second one is hydraulic actuator. It is typically involve a hollow cylinder having a piston inserted in it. It uses a hydraulic cylinder. The hydraulic fluid cannot be used for energy storage, as a result, another power source must be used to create pressure in the oil. Typically, the term "hydraulic actuator" refers to a device controlled by a hydraulic pump.

Electric actuator is another important kind. There are two categories in use, i.e. stepper motors and direct motors. The former one is driven by a train of electrical pulses, while the latter one is most common in industrial robots.

The fourth type is the piezoelectric actuator. The piezoelectric effect is a property of certain materials in which application of a voltage to the material causes it to expand. These actuators exhibit characteristics like extreme rapid response, and amazing power. Therefore, they can be widely used in the precision opening and closing of valves in semiconductor manufacturing equipment.

Relatively, as to the above mentioned actuators, the linear actuator is simple in design. It is self contained and can have the minimum of moving parts, but it has low forces. However, the hydraulic actuator may have very high forces. Of course, this kind of actuators also has many disadvantages. For example, they can leak and require the external hydraulics pump, etc.

It is no doubt that actuators can be used in many places. They are used for the automatic control of a variety of valves, as well as other applications requiring high torque precision rotation in a small footprint. Typically, applications of actuators are PC controlled valve actuation, small valve control in production environment, and so on. All in all, their applications are very wide and they are quite important devices in industries.

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Article Source: http://www.articlesbase.com/ - Different Types of Actuators

Electric Actuators: How Does Actuators Works?

In actuator valve engineering and design, it is essential for engineers, designers, and manufacturers to fully understand the aspects and processes of using this particular product that would eventually help build effective engineering designs in a safe and efficient manner.

One of the most significant products of the company would be the actuators. To make this technical term simpler, an actuator is a device that transforms or converts energy into motion. Also applied as a force, an actuator usually is a mechanical apparatus that takes energy, normally constructed by liquid, air, or electricity, and converts that into a specific kind of motion. This motion can relate to anything from clamping, blocking, to ejecting. These actuators are normally used in industrial applications or in manufacturing, and may also be used in different objects such as motors, switches, valves, and pumps.

From all the actuators available in the market, the most common type would be the ones that are powered by the air, also known as the air cylinder or the pneumatic cylinder. These air cylinders are air tight, usually made out of metal, which uses the energy of compressed air in order to move a piston. In addition, air cylinders are usually used in assembly processes and in manufacturing. On the other hand, grippers, normally used in robotics, use actuators powered by compressed air in order to work similar to the human touch.

Electricity or hydraulics can be a source of power for actuators. Much like there are air cylinders, there are also electric cylinders and hydraulic cylinders where the cylinder converts electricity or hydraulics into motion, and hydraulic cylinders are often used in several types of automobiles. Most of the actuators available have more than one type of power source. For example, solenoid valves can have the ability to be powered by both electricity and air. Electricity powers the solenoid, and the solenoid, powered by air, actuates the valve. Another option for this would be that the solenoid can be powered by both electricity and the hydraulics.
Whether in a linear motion, a rotary motion, or in an oscillatory motion, actuators can still be used, that is if they can create the motion with only one direction, in a circular motion, or in an opposite direction at normal intervals. Hydraulic and air cylinders can also be classified as single acting, which means that the energy source that justifies the movement in one direction, and that a certain spring is used for the other direction. Having these interchanged, these cylinders can act as double as an acting cylinder, which means that the energy is used in two different directions. Even if actuators are usually explained in terms of mechanical implements, muscles are often given as an example of an actuator. Energy, which is created by eating carbohydrates, is converted by the muscle, which in this case would be the actuator, and transform it into motion, such as playing basketball.

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Christel Lumabas is part of MEA Inc. team. MEA Inc is a world leading organization that is composed of designers, engineers and manufacturers of valves and actuator including butterfly valve, valve actuators, diverter valve, linear actuator, hydraulic check valve and electric actuator for mechanical and electrical automation systems worldwide. For more information visit http://www.meaincorporated.com

Article Source: http://EzineArticles.com/?expert=Christel_Lumabas

Electric Actuators: Common Uses of A Pneumatic Valve Actuator

You will find a pneumatic valve actuator hard at work in many industrial applications, such as oil refineries, chemical plants, water management, and even in some deep water marine mining and construction ventures. Made in a variety of materials such as, plastic, aluminum, and stainless steel, the stainless steel varieties are commonly found in oil refineries and chemical plants where they are used in complex pipe and product delivery conduits to direct and manage flow of fluids and corrosive liquids.

Turtorq actuators are put in place in engineering and industrial applications where precise movement is required for high load gearboxes, and positioning components. These ultra precise pneumatic valve actuators use computer controlled systems to regulate the required amount of compressed air maintaining precision movement. These systems are primary controlled from remote locations where direct management would be hazardous, where corrosive liquids or chemicals are being transported or directed.

In chemical production plants that use dangerous or hazardous products, safety and security precautions are put in place in the form of manual butterfly valves that are either integrated into the pneumatic valve actuator or installed individually in the same pipe segment. Safety is further protected with flow sensors that are installed within the valve actuator that are connected to a central management system that can monitor and manage flow of fluids within pipe networks groups and individually.

These complex flow direction systems offer a variety of commercial benefits that outweigh the use of hydraulic actuators, like the ability to store energy for emergency uses where electrical power is interrupted, the ability to operate under larger energy payloads, and energy is not absorbed in compressed gas system, making pneumatic valve actuators a responsible choice in industrial systems.

These actuators do not perform as well in sub-zero environments, but there are complex versions that deliver compression using heated air systems that can easily operate in extreme cold climates without additional performance considerations. Sensitive fluid delivery networks that are located in these cold locations often have redundant or back up systems that prevent production downtime that could seriously impact production schedules and delivery.

Underwater mining operations, demolition projects that use explosives, and other complex fluid and liquid direction systems require emergency and fail safe systems that can override or regain control of management systems in the event of failure or other serious operations malfunctions. These systems can be managed using mobile controls that can deploy in minutes where they are needed.

Superior and precise flow and direction of corrosive fluids, chemicals, and dangerous liquids require robust hardware that are capable of working under high payloads while maintaining precision movement and flow direction within complex pipe networks possible. These are the systems that rely on the power of pneumatic valve actuators.

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John Greyling is a retired entrepreneur and businessman. During his career he acquired extensive experience in many business sectors. He now spends his time travelling the world with his family and writing. For more information on actuators visit http://www.solenoidvalvesactuators.com/12-volt-linear-electric-actuator.html.

Article Source: http://EzineArticles.com/?expert=John_Greyling

Electric Actuators: What Is an Actuator?

An actuator is a mechanical device which is designed to convert an electrical signal into a physical action. They are typically used in manufacturing industrial applications and may be used for inflow-control valves, pumps, positioning drives, motors, switches, relays and meters. Actuators are available in different forms such as pneumatic actuator, rotary actuator, linear actuator, electric actuator, piston actuator and hydraulic actuators. Each form is operated by a specific source of energy, for instance, mechanical, electrical and potential energy, stored in compressed liquids or gasses.

From all the actuators that are available in the market, the most common type is a hydraulic actuator or an electro-servo actuator. In order to perform a simple task, fluid power for hydraulic machinery is used. This liquid is known as hydraulic fluid. The liquid is transmitted through hydraulic cylinders or motors and can be controlled by valves. Hydraulic machinery can produce very high amounts of power and wide array of actuators that can make use of this power. Linear actuators possess a piston to set a stroke. In these actuators hydraulic pressure is created by pushing and pulling of the piston from a fixed length and force. The hydraulic pressure is placed on one end which forces the piston to move to the opposite end resulting in the pushing of the rod to extend it. Reversing the hydraulic pressure will cause the rod to stroke back to the original position.

A pneumatic actuator is normally used to compress air as a source of energy which then converts it into motion. Each type of actuator produces specific motion like oscillatory or linear, depending on the type of the actuator. Pneumatic actuators contain a piston, a cylinder and valves or ports. The enclosed diaphragm protects the piston and keeps the air in the upper portion of the cylinder. This construction permits the air pressure to push the diaphragm downward, moving the piston underneath, which is connected to the internal parts of the actuator. Few examples of pneumatic actuators include: grippers, tie road cylinders, rotary actuators, vacuum generators etc. For the effective functioning of actuators, larger size of a piston is recommended because a larger piston would prove more effective if the air supply is low, allowing the same force with a lesser amount of input. SearchMe4 is a local information and online business directory that provides contact details of the UK actuators.

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