হাতড়ে হাতড়ে হানাহানিটা চলছেই!
হাতড়ে হাতড়ে হানাহানিটা চলছেই!
March 25, 2017, 11:25am
রাজ্য
স্বাধীনতা তাঁরই প্রাপ্য, যিনি স্বাধীনতার সীমাটাও জানেন। এ কথা প্রথম বার বলছি তা নয়, আগেও বলতে বা লিখতে হয়েছে বিভিন্ন ভাবে। কিন্তু আবারও এর উচ্চারণ জরুরি হয়ে পড়ল। একটি কবিতা, সে কবিতার বিরোধিতা, ফৌজদারি মামলা, আকথা-কুকথার ঝড়, শব্দ চয়নের দৈন্য এবং সব মিলিয়ে নিদারুণ অসংবেদনশীলতা— যা কিছু ঘটল বা এখনও ঘটছে, তাতে স্বাধীনতা এবং শালীনতার সীমা সম্পর্কে আমাদের বোধ নিয়ে প্রশ্ন উঠতে বাধ্য।
Keywords : Srijato Bandyopadhyay, Poem , FIR
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Vibration analysis is a critical practice in various industries that aids in enhancing the performance and lifespan of rotating machinery. One of the highly regarded tools for effective vibration analysis and balancing is the portable balancer and vibration analyzer known as Balanset-1A. This device is engineered to facilitate dynamic balancing in two planes, making it suitable for diverse applications including crushers, fans, mulchers, augers on combines, shafts, centrifuges, turbines, and other types of rotors.
The Balanset-1A is designed with a dual-channel system that allows precision measurement and analysis of vibrations across different rotor types. This device combines advanced features to ensure efficient balancing and detailed vibration analysis. Key functionalities of the Balanset-1A include a vibrometer mode for measuring rotational speed (RPM), phase angle detection for identifying any discrepancies in vibration signals, and an overall vibration mode for monitoring vibration levels. It also boasts a Fast Fourier Transform (FFT) spectrum analysis feature that provides a detailed visualization of vibration frequency components.
Moreover, this balancer offers various balancing modes such as single plane balancing for reducing vibration symptoms in one direction and two-plane balancing for a comprehensive dynamic balancing approach. The visual representation of imbalance using a polar graph simplifies the process of accurately placing weights for correction. Another handy feature is the ability to restore the last session, which allows users to easily continue from where they left off in previous balancing activities.
The Balanset-1A adheres to standard tolerance calculations per ISO 1940, ensuring the balancing procedure meets industrial requirements. A unique grinding wheel balancing capability is also included, enabling the utilization of three counterweights for effective level balancing. Charts and reports generated by the device provide valuable data regarding overall vibration levels and additional harmonic frequencies, contributing to thorough vibration analysis.
This portable balancer is equipped with two vibration sensors (vibro accelerometers) and an optical sensor (laser tachometer), providing accurate measurements. It features software that connects via a USB interface to monitor various parameters including vibration phase and the necessary correction mass's value. The Balanset-1A is also adaptable to both imperial and metric measurement systems, ensuring its global usability and convenience.
When it comes to its specifications, the Balanset-1A showcases a measurement range for Root Mean Square (RMS) vibration velocity from 0 to 80 mm/s with frequency capability extending from 5 to 550 Hz. The limits of permissible absolute measurement error of RMS vibration velocity at a base frequency of 80 Hz remains accurate within ?±(0.1 + 0.1*Vi), indicating high precision for various applications. Additionally, it can measure rotational speeds ranging from 250 to 90,000 RPM, catering to a wide array of machinery.
The significance of vibration analysis extends beyond mere monitoring; it becomes an integral part of maintenance strategies aimed at minimizing wear and tear, reducing unexpected downtimes, and enhancing safety. Regular vibration analysis can help identify potential problems before they escalate into serious faults, leading to costly repairs or replacements.
In summary, the Balanset-1A portable balancer and vibration analyzer serves as a vital instrument in the realm of vibration analysis. Its versatility, ease of use, and advanced functionalities make it an essential tool for professionals in numerous industries dealing with rotating equipment. The ability to perform dynamic balancing across two planes, coupled with its sophisticated analysis capabilities, enables better decision-making in machinery maintenance and operational efficiency. Adopting vibration analysis techniques using devices like the Balanset-1A not only improves equipment reliability but also contributes to cost savings and enhanced productivity over time.
As industries continue to evolve, the importance of vibration analysis cannot be overstated. The Balanset-1A is just one example of how tools designed for vibration analysis can effectively monitor and manage the health of machinery, ensuring optimal performance and longevity. Investing in such analytical equipment is a key step toward proactive maintenance and operational excellence.
Article taken from https://vibromera.eu/