Industrial equipment often faces high noise and vibrations during installation, operation, and after refits. We excel at diagnosing and fixing these issues using advanced measurement and analysis techniques.

We troubleshoot a variety of machinery, including:

• Hydroelectric generators
• Gearboxes of steam turbine generators
• Gas compressors
• Fans and blowers
• Diesel generators (DG sets)

Let us help you reduce noise and vibration for smoother, quieter operations.

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Experimental Modal Analysis (EMA) is an advanced vibration analysis tool used to study the dynamic behavior of structures, particularly at their natural frequencies.

Our services include:

• First piece qualification
• Validation of FE results
• Quality control
• Trouble shooting

Additionally, Operation Deflection Shape (ODS) analysis examines the dynamic deflection of structures under operating conditions, helping to identify whether a vibration issue is due to forced vibration or resonance. Our team has the expertise and resources to conduct both EMA and ODS analyses.

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We measure and analyze shaft vibration in turbo machinery, such as steam and gas turbines and compressors. Our measurements include Bode plots, orbit plots, shaft centerline plots, and waterfall spectral plots.

We conduct vibration troubleshooting to ensure conformance with standards like API and ISO, and for Factory Acceptance Tests.

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Knowing the natural frequency of machine components is essential for design validation. We perform natural frequency testing on parts like turbine blades, fan blades, and automobile components (e.g., brake discs, brake drums) using impact testing. This ensures the components meet design specifications and perform reliably.

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Noise and vibration radiation (also known as Structure-borne and Airborne Noise) from naval ships and submarines is critical as these signals can be easily detected by sonars. Stringent limits for noise and vibrations are placed on equipment that go onboard naval vessels. These equipment are tested for their conformance to various standards (MIL, ISO, NES etc.) at the factory inspection stage. We conduct structure-borne and airborne noise level measurement for many equipments including DG sets, turbines, main engines, STPs (Sewage Treatment Plants), RO plants, pumps, compressors, hydraulic systems etc.

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We offer a state-of-the-art Acoustic Intensity Measurement System to measure sound intensity. This system is ideal for applications such as sound power determination, noise source identification, and noise source ranking. Our equipment includes:

• GRAS Sound Intensity Probe
• Intensity and Sound Power Measurement Software
• Acoustic Level and Phase Calibration System

We have successfully conducted in-situ sound power measurements on various equipment, eliminating the need for specialized test chambers like semi-anechoic or reverberant chambers.

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We offer on-site balancing services to reduce unbalance-induced vibrations in rotors. Our expertise extends to balancing high-speed machine tool spindles, industrial fans and blowers, and rotors of hydroelectric turbines. Let us help you achieve smoother, more efficient operations.

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We provide predictive maintenance services through vibration monitoring with our dedicated team. Equipped with Vibxpert portable data collectors and OmniTrend software, we collect, trend, and analyze vibration data to identify machinery issues early.

We address:

• Unbalance
• Misalignment
• Bearing defects

Our experts take corrective actions before conditions reach alarm levels. EVPL specializes in vibration monitoring of machine tools and manufacturing equipment, ensuring both machine health and product quality.

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Noise and vibration measurements are crucial for product testing and acceptance criteria. Most products must meet various standards before being accepted by the end customer. EVPL has the expertise and resources to measure noise and vibrations according to standards such as IS, ISO, IEC, MIL, and API.

We test a wide range of products, including:

• Shipboard equipment (MIL and ISO)
• Steam turbines
• Electrical generators
• Wind generators
• Gearboxes of turbines
• Wind turbines (IEC, IS, ISO, API)

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