Description
Open Graph est un protocole. Il permet d'optimiser le contenu d'une page web afin que les utilisateurs puissent la partager sur les principaux réseaux sociaux Facebook, Twitter, LinkedIn... Ce protocole facilite le partage depuis un ordinateur, le navigateur d'un smartphone ou une application mobile.
Fonctionnalités
- Open Graph consiste en une série de meta tags que l'on peut insérer dans la partie HEAD de la page HTML.
Année de création
- 2010
Créateur
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Open Graph
par Sébastien Merour
publié le 26/04/2020 à 15h24 | modifé le 13/06/2020 à 15h43
Catégorie : Front-End | Commentaires (572)
Catégorie : Front-End | Commentaires (572)
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Dynamic balancing is an essential process in various industries, particularly in machinery and equipment where rotating components are prevalent. Unlike static balance, which only addresses weight disparities in a single plane, dynamic balancing involves more complex calculations and adjustments that target imbalances across multiple planes. This comprehensive approach is critical to ensuring optimal performance and reducing vibrations, which can lead to wear, tear, and ultimately, mechanical failure.
The need for dynamic balancing arises when rotors, such as those found in turbines, fans, and centrifuges, exhibit imbalances that manifest only when they are in motion. A dynamically unbalanced rotor can create significant vibrations, leading to inefficiencies and potential hazards in operations. This process measures and corrects the displacement of mass within the rotor that can occur in different planes, ensuring the rotor spins smoothly without excessive vibration.
To understand the intricacies of dynamic balancing, it's essential to distinguish it from static balancing. Static imbalance occurs when the center of gravity of a rotor is displaced from its axis of rotation. This imbalance is characterized by a consistent heavy point that always seeks to move downward under gravity. On the other hand, dynamic imbalance comprises two or more mass displacements across different planes, generating both centrifugal forces and moments that influence rotor stability during rotation.
The process of dynamic shaft balancing typically employs specialized equipment, such as the Balanset-1A vibration analyzer. This portable device is adept at measuring vibrations across two planes, making it versatile for various applications, including balancing rotors in crushers, fans, and centrifuges. The procedure begins with attaching vibration sensors to the rotor to capture baseline vibration levels as the rotor spins. This initial data serves as a reference for subsequent adjustments.
Following the initial measurements, operators will typically employ calibration weights. The calibration weight is attached to an arbitrary point on the rotor, and the system reevaluates the vibrations. This is done to understand the impact of the added weight on the rotor's overall vibration profile. Operators move the calibration weight to a different position and re-measure vibrations, gathering data that informs the placement and mass of corrective weights needed to balance the rotor effectively.
Once adequate data has been collected, the system calculates the specific angles and masses required for corrective weights. These weights are positioned at predetermined points on the rotor based on the analyzed data, aiming to counteract the forces generated by imbalances. This process demonstrates that the compensating weights do not need to match the original unbalanced masses; they must create the necessary torque to achieve a balanced condition.
The balancing act is meticulously calculated; the angles at which weights are installed, and their respective masses must align properly with rotor dynamics. When implemented correctly, dynamic balancing significantly reduces vibration levels and restores the proper functioning of the machinery. This reduction in imbalance not only prolongs the life of the equipment but can also improve operational efficiency, which is highly beneficial for industries reliant on these systems.
In addition to its practical applications, dynamic balancing has broader implications for industrial safety and productivity. Imbalances, if left unaddressed, may lead to catastrophic machinery failure. Regular maintenance that includes dynamic balancing checks is recommended for any equipment with rotating components. Operators are encouraged to invest in portable balancing solutions, which can provide on-site diagnostics, making it easier to maintain high operational standards without the need to transport equipment for balancing services.
The measurement process itself is systematic, including initial readings followed by adjustments based on pre-formulated correction plans for each installation point. Observing the corrective angles and the weight installation positioning ensures that technicians can systematically address imbalance in components, necessitating vigilance at every stage of rotor maintenance.
As industries advance, embracing technology in the form of modern dynamic balancing tools like the Balanset-1A allows for precise measurements and quick adjustments, fostering a more efficient workflow. These advancements underscore the importance of ongoing education and training in dynamic balancing techniques, helping operators proficiently manage their equipment’s balance.
In conclusion, dynamic balancing acts as a cornerstone in the maintenance of rotating machinery. Understanding the foundational differences between static and dynamic balancing allows technicians to implement effective corrective measures in real-time. With ongoing advancements in analysis technology, industries can maximize their operational efficiency while minimizing mechanical failures, presenting a compelling argument for the importance of dynamic balancing in rotational systems.
Article taken from https://vibromera.eu/Balancing Set: Your Guide to the Balanset-1A Portable Balancer and Vibration Analyzer
The Balanset-1A is a robust portable balancer and vibration analyzer specifically designed to efficiently handle dynamic balancing tasks across various applications. As a user of this innovative device, I can attest to its versatility and precision. It is particularly effective in balancing rotors in industries ranging from agriculture to manufacturing.
Equipped with two channels, the Balanset-1A excels at dynamic balancing in two planes. This dual-channel capability allows for a comprehensive balancing process necessary for equipment such as crushers, fans, mulchers, augers, centrifuges, shafts, and turbines, among others. The ability to work with diverse rotor types positions the Balanset-1A as an essential tool in various industrial settings.
Features and Capabilities
The Balanset-1A comes fully packaged with features that cater to both balancing and vibration analysis. Being user-friendly, this device is suited for professionals who seek accuracy in monitoring and adjusting mechanical performance.
Vibration Analysis Modes
Balancing Modes
The Balanset-1A offers advanced balancing capabilities that enhance operational efficiency:
Ease of Use
Alongside its technical specifications, one of the notable aspects of the Balanset-1A is its user-friendly interface. Whether you are a seasoned professional or a newcomer, the easy-to-navigate functions ensure that achieving balance in machineries is stress-free. The device also supports both Imperial and Metric systems, accommodating a global user base.
Specifications
The Balanset-1A is designed for precision and reliability with the following specifications:
Accessories and Related Products
The Balanset-1A package also includes essential components, such as vibration sensors, an optical sensor (Laser Tachometer), and a user-friendly software interface for PC connection. It is important to note that certain optional components, like the scale and plastic transportation case, are available separately, allowing users to customize their setup.
Apart from the portable balancer, there are other related products available, including various vibration sensors and magnetic stands. These can further enhance your balancing setup, allowing for versatility in measurement and analysis.
Conclusion
The Balanset-1A portable balancer and vibration analyzer stands out in its field, providing unmatched precision for industrial applications. Through its advanced features, diverse capabilities, and user-friendly design, it successfully meets the needs of professionals in different industries. Investing in the Balanset-1A not only enhances machine reliability but also drives productivity by minimizing downtime due to imbalanced rotors. Therefore, considering a balancing set with the Balanset-1A as a core component can be a game-changer for maintenance efficiency in any mechanical operation.
Article taken from https://vibromera.eu/