Blog | Machinosis

Troubleshooting Unusual Machinery Vibration: A Case Study of Electrostatic Discharge Affecting Rotor Dynamic Attributes

Apr 224 min read

Troubleshooting Unusual Machinery Vibration: A Case Study of Electrostatic Discharge Affecting Rotor Dynamic Attributes

This article explains how to determine cause of journal bearing damage with erosion pattern as shown above. Introduction: As a machinery...

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How to Detect Bearing Damage in Screw Compressor through Demodulating Vibration Data

Apr 123 min read

How to Detect Bearing Damage in Screw Compressor through Demodulating Vibration Data

In this article, a case study of defective rolling element bearing detection will be discussed. Figure 1 - Bearing Inner Race The machine...

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Intermittent Rub in Steam Turbine Due to Carbonized Oil Seal

Oct 10, 20234 min read

Intermittent Rub in Steam Turbine Due to Carbonized Oil Seal

A back-pressure steam turbine that drives a 12 MW generator, experienced intermittent spikes in shaft vibration amplitudes at the...

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Vibration mitigation of 260 MW Francis turbine and generator by turbine guide bearing gap adjustment

Jun 15, 20232 min read

Vibration mitigation of 260 MW Francis turbine and generator by turbine guide bearing gap adjustment

We were engaged to perform vibration measurement and analysis of a 260 MW Francis turbine and generator and recommended a solution to...

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One shot field balancing on 41 MW steam turbine with pipe strain problem

Jun 8, 20234 min read

One shot field balancing on 41 MW steam turbine with pipe strain problem

We were engaged to perform vibration measurement and analysis of a 41 MW steam turbine and generator as the excessive vibration amplitude...

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Jan 9, 20231 min read

Our machinery diagnostics courses in 2023

We regularly conduct the following courses for local as well as international customers. We believe the contents of these three main...

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Oct 12, 20221 min read

Technical training courses by Machinosis before the end of this year

We will finish this year with three training courses below before we could celebrate new year and take some breaks for vacation. We got...

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Sep 20, 20221 min read

Practical operating deflection shape and modal analysis course, 17-19 Aug 2022

I am very delighted that we could make this last month for around 20 students in the class. This project was committed since last year...

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Jul 12, 20221 min read

CBM Day 7-8 July 2022 in Thailand

We were participating CBM Day 2022 in Chonburi, Thailand as an exhibitor during 7-8 July. Our highlighted products this year are...

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Basic Motion Amplification (MA) Training in Thailand

Jun 24, 20221 min read

Basic Motion Amplification (MA) Training in Thailand

We conducted training course during 13 to 15 June 2022 for users who purchased motion amplification (MA) camera, a product of RDI...

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Torsional Vibration Measurement and Analysis on Flue Gas Blower

Jun 24, 20221 min read

Torsional Vibration Measurement and Analysis on Flue Gas Blower

Recently, we did torsional vibration measurement on a disk-pack coupling of 315 kW induction motor driven flue gas blower. A strain gauge...

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May 24, 20221 min read

Vibration Analyst CAT. IV Classroom in Pattaya, Thailand

The country is fully re-opened now after pandemic so we planned to arrange this session again in Q3 this year. We had a few participants...

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May 23, 20221 min read

Machinery diagnostics training courses by Machinosis in 2022

We regularly conduct the following courses for local as well as international customers. We believe the contents of these three main...

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Feb 9, 20224 min read

Oil whip instability vibration in generator

A steam turbine-generator set was overhauled for about two (2) months before it was attempted to put back to services again. However,...

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Jan 24, 20221 min read

Pre and post outage vibration data collection and analysis

This is mandatory for power generation and petrochemical plants overhaul as vibration data must be collected at before and after overhaul...

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Jan 13, 20222 min read

Commissioning support and troubleshooting high vibration problem on a new steam turbine

This is our last job of year 2021 working on a new steam turbine – generator set during commissioning. Unit installation was completed...

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Dec 7, 20212 min read

Vibration analysis on hydroturbine-generator set with high-speed camera

This is a case study of using motion amplification® (MA) technology to analyze vibration data of a small hydroturbine-generator set...

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Dec 2, 20211 min read

Vibration Analyst CAT IV course by Machinosis

We are working to open another VCAT IV course early next year as shown below. If you are interested in the following topics, we will...

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Oct 22, 20212 min read

Motion amplification of cooling water pipe

Crack is noticed at cooling water pipe of a large generator which is suspected due to excessive vibration. Motion amplification (MA) is...

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Oct 6, 20211 min read

Using multi-channel vibration analyzer with powerbank

I started my career as machinery diagnostics engineer in 1999 when multi-channel vibration analyzer is big size and heavy compared to the...

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