Actuation refers to the process of converting energy into motion in various systems and devices. It’s a crucial component in a myriad of technologies, ranging from simple mechanisms to complex machinery.
Actuation is the mechanism of initiating and controlling movements in various systems, which could be mechanical, electrical, hydraulic, or pneumatic, among others. This concept is widely used in industries like robotics, automotive, aerospace, and manufacturing. It encompasses a wide range of components and techniques designed to convert various forms of energy into physical motion.
Victaulic, the manufacturer of mechanical pipe-joining systems, introduces the Series 725 Diverter Valve, the industry’s first grooved-end valve designed specifically for paste backfill lines. The valve improves the efficiency of backfill operations while providing durable, reliable service.
Orders have been received by SIPOS Aktorik to supply electric actuators to the Ras Djinet and Ain Arnat combined cycle power plants (CCPP) in Algeria.
This represents the second order from Ras Djinet, which confirms the strength of the company’s credentials supplying valve control solutions to the region’s power sector.
Control valve expert Severn Unival is unveiling ambitious plans to grow aftermarket activity in the power, industry and water sectors over the next three years. It has identified an opportunity to increase its presence in this area by 70%.
AUMA has set the course for future growth with a foundation stone ceremony for a new administration centre at its headquarters in Muellheim, Germany. Following scheduled completion in 2016, all international activities will be co-ordinated from the 20m Euro facility, which will provide over 7,000 square metres of additional working space for the AUMA organisation.
SIPOS Aktorik will display its comprehensive product range and confirm its capabilities providing actuation support for the power industry at Russia Power 2014. The actuator manufacturer, which has local representation in Moscow, will promote expertise that extends from initial consultation through to commissioning and maintenance.
Over 700 explosion-proof actuators, including controls, and 200 gearboxes have been supplied by AUMA to support the Caspian Pipeline Consortium (CPC). The project is a major international crude oil transportation initiative that involves Russia and Kazakhstan plus leading oil & gas companies including Chevron, Shell and ExxonMobil.
AUMA’s capabilities in commissioning and retrofit actuation projects, along with an ability to tailor its technology, were key selection criteria for the company securing a major order from Helsingin Energia, one of the largest energy companies in Finland.
SIPOS has demonstrated its complete actuation service capabilities with the installation and commissioning of over 50 actuators for the Freimann combined heat and power plant, which supplies electricity to the power grid of SWM, Munich’s public utility company.
FasTest launched the new FasMate FN Series connectors for reduced insertion depth to internal threads. Designed with FasTest’s industry-recognised FasMate Series connector technology, the new FN connectors provide safe and reliable instant manual or automated leak-tight connections to shallow-depth female threads.
Nordson EFD, a Nordson company, the precision fluid dispensing systems manufacturer, received the ASI 2013 Readers Choice Award from Adhesives & Sealants Industry magazine for its PICO 500Hz Dispense Valve.
The primary devices that carry out actuation are called actuators. These can be categorized as:
Mechanical Actuators: Convert rotary motion to linear motion or vice versa, often using gears, rails, or screws.
Electric Actuators: Utilize electric motors to generate motion, controlled by varying voltage, current, or electromagnetic fields.
Hydraulic Actuators: Use the pressure of a liquid (usually oil) to induce motion, often to generate high forces in heavy machinery.
Pneumatic Actuators: Operate using compressed air or gas to create motion, often found in industrial automation setups.
Thermal or Magnetic Actuators: Leverage thermal expansion or magnetic fields to generate motion, usually in micro or nano-scale applications.
2. Control Systems
These systems are essential in regulating the functioning of actuators, often utilizing feedback loops to maintain precision and efficiency. They may include:
Manual Controls: Simple interfaces like levers or switches to control actuators.
Automatic Controls: Utilize sensors and microcontrollers to automatically control the actuation process.
Software Interfaces: Complex control setups involving software platforms integrated with hardware components to enable sophisticated control strategies.
3. Power Sources
Different actuation systems require different power sources, which could range from electrical batteries, hydraulic pumps, or pneumatic compressors.
Applications
Actuation finds its application in various fields:
Robotics: In the control of robotic arms, legs, or other appendages.
Aerospace: Utilized in the functioning of various components like flaps, landing gear, and engines.
Automotive: In control systems like power steering, braking systems, and throttle control.
Industrial Machinery: In machines used for manufacturing, packaging, and other industrial processes.
Healthcare: In devices like prosthetics and other healthcare equipment.
Consumer Electronics: In gadgets and appliances, for functions like zooming in cameras or adjusting settings.
Future Trends
With advancements in technology, actuation systems are expected to become more sophisticated, incorporating features like:
Internet of Things (IoT): Integration with IoT for smarter and more connected control systems.
Artificial Intelligence (AI): Incorporating AI for predictive maintenance and automated control strategies.
Miniaturization: Development of smaller and more compact actuators for use in micro and nano-scale applications.
Conclusion
Actuation is a dynamic and evolving field, playing a critical role in modern technology and industry. It encompasses a wide range of components, systems, and techniques that convert energy into physical motion, finding applications in a variety of sectors and continually evolving to incorporate new advancements and innovations.
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Nordson EFD, a Nordson company, the precision fluid dispensing systems manufacturer, received the ASI 2013 Readers Choice Award from Adhesives & Sealants Industry magazine for its PICO 500Hz Dispense Valve.