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Guía para realizar teletrabajo

| Viernes 20 de Marzo, 2020

La llegada del COVID-19 a Costa Rica vino a cambiar radicalmente la rutina: muchas personas se encuentran en sus casas trabajando de manera remota. Datos del Ministerio de Trabajo indican que casi 15 mil funcionarios de 56 instituciones se encuentran laborando bajo esta modalidad.

Algunos están acostumbrados a esta modalidad, mientras que otros la aplican por primera vez. Es por ello que en Primera Plana le brindamos una guía con algunos consejos para realizar su labor de forma eficiente.

De acuerdo con el sitio web El Confidencial, es necesario vestirse como si estuviera en la oficina, eso le da al cerebro la señal de que estamos trabajando, además de mantener el contacto con los compañeros.

Se recomienda tener un espacio propio donde laborar, evitar hacerlo en el cuarto o en la cocina.

Se deben hacer pequeñas pausas para comer o estirar los músculos, tratar de no estar mucho rato sentado, además de respetar el horario de comidas que ya tiene establecido en la oficina.

Trate de eliminar todos los factores de distracción, eso incluye las redes sociales.

Planifique con anticipación sus tareas, y muy importante, ponerse una hora para finalizar las tareas, no conviene estar todo el día frente a la computadora.

Recuerde el llamado de las autoridades en no salir a menos que sea estrictamente necesario y seguir todos los protocolos de limpieza.

 

 

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2024-10-17
Williamboiff

2024-10-17
Williamboiff

shaft balancing

Shaft Balancing Guide

Shaft balancing is an essential process in maintaining the performance and longevity of various rotating equipment. It involves correcting unbalance in rotating shafts to minimize vibrations, which can lead to mechanical failures and inefficiencies. Understanding the concepts of static and dynamic shaft balancing is crucial for effective implementation.

Static vs. Dynamic Balance

The distinction between static and dynamic balancing is fundamental for understanding shaft balancing methods. Static balance occurs when the center of gravity of the rotor is offset from its axis. This imbalance can be corrected by adding or removing mass at specific locations on the rotor. In static balance, the rotor's "heavy point" consistently falls downwards when stationary, indicating uneven mass distribution.

On the other hand, dynamic balance refers to imbalances that occur during the rotation of the shaft. When the rotor experiences dynamic imbalance, it has different mass distributions in different planes, resulting in centrifugal forces that are not countering each other. This leads to vibrations and potential operational issues. Correcting dynamic imbalance typically requires the installation of compensating weights in two planes to achieve balance and alignment.

The Balanset-1A Device

The Balanset-1A is a portable device designed for dynamic shaft balancing and vibration analysis. This advanced system features two channels meant for balancing in two planes, which is ideal for a variety of applications including crushers, fans, mulchers, augers, and turbines. Its versatility makes it suitable for use in diverse industrial settings, providing reliable results for different types of rotors.

Dynamic Shaft Balancing Process

Initial Vibration Measurement

The first step in the dynamic shaft balancing process involves setting up the rotor on the balancing machine and connecting vibration sensors to analyze baseline vibration levels. The initial measurements serve as a reference point for further balancing adjustments.

Calibration Weight Installation

Next, a calibration weight is added to one side of the rotor. The system measures changes in vibration caused by this added weight, which helps determine the impact on the rotor's balance.

Adjusting Weight Position

The calibration weight is then moved to different positions on the rotor, and subsequent measurements are taken to gather data on how these changes influence vibrations. This iterative process allows for precise calculations needed to identify the appropriate corrective weights.

Final Weights Application and Verification

After analyzing data from the calibration adjustments, the final corrective weights are installed at specific points on the rotor. The rotor is restarted to confirm that the vibrations have been reduced to acceptable levels, indicating successful balancing.

Calculating Trial Weights and Angles

An important aspect of shaft balancing involves determining both the mass of trial weights and the angles at which corrective weights should be applied. The trial weight's mass is calculated based on specific formulas considering the rotor's mass and speed. Accurate angle measurement is necessary for effective placement of corrective weights to achieve optimal balance.

Installation and Sensor Setup

Successful shaft balancing relies on proper sensor installation. Sensors must be attached firmly to the rotor's surface, ideally in two perpendicular directions, for accurate data collection. This installation setup is crucial for measuring vibration levels at various operational phases and achieving effective balancing.

Shaft Balancing in Fans

For specific applications, such as balancing fans, the procedure remains consistent. After taking initial measurements, weights are added to various planes, and their impact on vibrations is assessed through data analysis. The correct application of weights and subsequent checks are imperative to ensure that vibrations are within permissible limits.

Benefits of Proper Shaft Balancing

Implementing effective shaft balancing techniques leads to numerous benefits including reduced vibrations, extended machinery lifespan, lower maintenance costs, and improved operational efficiency. By addressing imbalances proactively, organizations can avoid costly downtimes and enhance the reliability of their equipment.

Conclusion

Shaft balancing, particularly dynamic shaft balancing, is a critical process for maintaining the functionality and durability of rotating equipment. Through the use of advanced tools such as the Balanset-1A, industries can efficiently measure, analyze, and correct imbalances. Understanding the principles of static and dynamic balance empowers operators to achieve optimal performance from their machinery.

Article taken from https://vibromera.eu/

2024-10-17
WilliamSox

vibration analysis equipment

Vibration Analysis Equipment: Balanset-1A Overview

The Balanset-1A is a pivotal piece of vibration analysis equipment designed for dynamic balancing and vibration analysis across a multitude of applications. This device is particularly advantageous for industries utilizing various types of rotors, including those found in crushers, fans, mulchers, augers, shafts, centrifuges, and turbines. With its dual-channel capability, the Balanset-1A facilitates precision balancing in single and dual planes, which is essential for optimum performance and minimizing mechanical wear.

Key Features

The Balanset-1A stands out in the field of vibration analysis equipment due to its comprehensive functionality. It brings together advanced technologies to provide accurate measurements and effective balancing solutions. Here are some of its notable features:

Vibration Measurement Modes

  • Tachometer: Accurately gauges the rotational speed (RPM) of rotors.
  • Phase Measurement: Determines the phase angle of the vibration signal, which is critical for thorough analysis.
  • FFT Spectrum Analysis: Delivers an extensive frequency spectrum analysis for a detailed examination of vibration signals.
  • Overall Vibration Monitoring: Tracks general vibration levels to identify discrepancies or potential issues.
  • Measurement Log: Records and saves data from vibration measurements for further analysis.

Balancing Modes

The Balanset-1A offers flexible balancing modes, allowing users to select the most suitable method for their needs:

  • Single Plane Balancing: Targets vibration reduction through balancing in one plane.
  • Two Plane Balancing: Achieves dynamic balancing by addressing imbalances across two planes.
  • Polar Graph Display: Visualizes imbalance through a polar graph, assisting in precise placement of corrective weights.
  • Tolerance Calculator (ISO 1940): Computes acceptable balancing tolerances in accordance with international standards.

Add-on Features

In addition to its core functionalities, the Balanset-1A is equipped with several additional capabilities:

  • Archiving: Stores past balancing sessions for easy retrieval.
  • Report Generation: Produces detailed reports on balancing results, aiding in maintenance documentation.
  • Multi-Unit Compatibility: Works seamlessly with both Imperial and Metric systems, enhancing usability across different regions.

Specifications

The Balanset-1A is designed with high precision in mind, boasting parameters that cater to rigorous industrial use. Some key specifications include:

  • Two vibration sensors, with options for cable lengths up to 10m for flexibility in setup.
  • Measurement range for RMS vibration velocity from 0 to 80 mm/s.
  • A variable frequency measurement range spanning from 5 Hz to 1000 Hz.
  • The capability of balancing using up to two correction planes, reinforcing its versatility.
  • Operational power requirements of 140-220VAC, making it adaptable to various infrastructure setups.

Advantages of Using Vibration Analysis Equipment

Utilizing vibration analysis equipment such as the Balanset-1A provides numerous benefits, including:

  • Enhanced Reliability: Regular vibration analysis can predict failure points, allowing for timely maintenance and reduced downtime.
  • Cost-Effectiveness: Through effective balancing and analysis, businesses can extend the lifespan of their machinery, ultimately lowering operational costs.
  • Safety Improvements: Identifying vibration issues helps mitigate risks associated with mechanical failures, ensuring a safer working environment.
  • Operational Efficiency: Properly balanced equipment operates more efficiently, resulting in improved productivity and reduced energy consumption.

Conclusion

The Balanset-1A is a superior example of vibration analysis equipment that enhances operational reliability and efficiency across a wide range of industries. Its extensive functionalities, accuracy, and ease of use make it an indispensable tool for professionals engaged in rotor balancing and vibration analysis. Companies looking to invest in vibration analysis technology should consider the Balanset-1A for its robustness and comprehensive capabilities. Investing in such equipment not only ensures optimal machine performance but also promotes a culture of preventive maintenance within organizations.

Article taken from https://vibromera.eu/

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