Presentation on Condition Monitoring Technology
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Transcript of Presentation on Condition Monitoring Technology
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www.sajetc.com
Presentation on
Condition Monitoring Technology
Presented By
Engr. Md. Shahin Manjurul AlamSaj Engineering & Trading Company
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Company Profile www.sajetc.com
Saj Engineering & Trading Company is established in 1998 to provide the Non-Destructive Testing (NDT) and Condition Monitoring (CM) solution in Bangladesh industrial Market. Since then we are providing the NDT and CM solution in different types of industries like power generation, fertilizer, chemical, aviation shipbuilding, gas production and distribution, cement, welding, paper, sugar, pharmaceuticals, research and educational institutions. For the automobile and industrial market we are supplying lubricants, filter, radiator and spark plug. For our products we represent the most renowned manufacturers in the world. As we have all sorts of latest NDT and CM products we have developed an industrial inspection service provider under the name of Saj Industrial & Inspection Company. And till now we have completed 35 Projects successfully and some projects is in our hand.
Products:1.Non-Destructive Testing Products2.Condition Monitoring Products3.Sakura Automobile and Generator Filter4.Air Conditioner Energy Saver5.Maintenance Repair & Overhauling (MRO) Products6.PertaminaLubricants7.Scientific/Laboratory Equipments
Our Services:1. Remote Visual Inspection/Endoscope 2. Ultrasonic Testing 3. Magnetic Particle Testing4. Radiography Testing5. PenetrantTesting6. Vibration Analysis7. Dynamic Balancing8. Transformer Leakage Repair9. Thermography Service10. Hardness Testing
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Automobile & Heavy Duty Filter
Different types of Scientific
Equipments
Non Destructive Testing (NDT)
Products
Lubricants/Engine Oil/ Motor oil
Condition Monitoring
Products
Predictive Maintenance
Services
MRO & Packaging Products
Cold WeldingMaterials & Services
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www.sajetc.comObjective
• Condition Monitoring (CM)• Condition Monitoring Techniques• Vibration Analysis • Oil Analysis• Thermal Analysis• Ultrasound Analysis
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Heat
Noise
Smell
Smoke
Feel
Equ
ipm
ent P
erfo
rmance
TimeFF
PP
Mechanica
l
Ultraso
undVibration
Analysis
Oil Analysis
Thermograp
hyNDT
Lubrication Excellence
Proactive
Precision Maintenance Alignment, Balance, etc.
Select Suppliers
Supplier Specifications
Metrics
Equipment Ranking
RCM
TPM
RCA/FMEA
RCD
Training Programs
Written ProceduresJob Planning/Scheduling
CMMS System
Predictive Reactive
We are in here
Machine Condition Chart
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Types of machines
MotorsPumpsFansGearboxesEnginesCompressorsSteam TurbinesGeneratorsGas TurbinesHydro Turbines
Rotating Or
Reciprocating Machines
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Condition monitoring is the process of monitoring a parameter of condition in machinery, such that a significant change is indicative of a developing failure. It is a major component of Predictive Maintenance (PdM). The use of conditional monitoring allows maintenance to be scheduled, or other actions to be taken to avoid the consequences of failure, before the failure occurs.
Condition Monitoring
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www.sajetc.comCondition Monitoring
Techniques
1) Vibration Analysis 2) Oil Analysis3) Thermal Analysis4) Ultrasound Analysis
A wide range of Condition monitoring techniques is available in the industries over the world and some have become standards in many industries. The "standard" technologies are:
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Condition Monitoring For your Plant
Vibration Analysis Oil Analysis
UltrasoundAnalysis
ThermalAnalysis
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If you think this is your plant, then your plant is stand on this 4 technologies
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What Is Vibration ? www.sajetc.com
Vibration is a "back and forth" movement of a structure. It can also be referred to as a "cyclical" movement
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Vibration Analysis
More than 20 years ago someone made the statement, “The vibrations produced in a machine are the best indication of the machine’s health.” This statement still holds true today. Of all the predictive maintenance (PdM) technologies, vibration analysis remains the best measure of machine health. This is true because vibration monitoring can alert us to so many different conditions that may indicate potential machine failures. Unbalance, misalignment, bearing faults, resonance, looseness, cavitations and electrical problems are just a few of the many problems that can be detected with vibration monitoring.
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www.sajetc.comCommon Problems that Generate
Vibration
1. Misalignment2. Unbalance3. Worn belts & pulleys4. Bearing Defects5. Hydraulic Forces6. Aerodynamic Forces7. Reaction Forces8. Reciprocating Forces9. Bent Shafts10.Rubbing11.Gear Problems12.Housing Distortion13.Certain Electrical
Problems14.Frictional Forces
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www.sajetc.comWhat we Measure for
Vibration Analysis
Amplitude: How Much Movement Occurs or severity of the vibration.
Amplitude measures as1. Displacement: mm, mils (0.001”)2. Velocity: mm/sec, in/sec3. Acceleration: G’s (1g= Force of gravity) or rms (root mean square)
Frequency: How Often The Movement Occurs. How many "cycles" in a period of time: a second or a minute
Unit: Cycle per second (Hz) Cycle per Minute (CPM)
Phase: In What Direction Is The Movement. It also called phase angle.
Unit: Degree
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www.sajetc.comHow we measure Vibration
Axial: Axial direction is always on the parallel to the shaft axis.
Vertical: A Transducer Mounted Vertically "Sees“ Only Vertical Movement
Horizontal: A Transducer Mounted Horizontally "Sees" Only Horizontal Movement
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www.sajetc.comVibration Transducer Sensors…Transducers…Probes…What is it?
….It basically converts mechanical vibration to an electrical signal
AccelerometerCharge Type &
Line DriveConstant Voltage &Constant Current
VelocityTransducer
DisplacementShaft Riders
Proximity Probes(Eddy Current Probes)
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Radial Horizontal
Radial Vertical
Axial
Vertical
Axial
Horizontal
Mounting Direction
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www.sajetc.comMounting Direction
Vert.
Axial
Hori. Vert.
Axial
Hori.
For detail study of vibration dynamics of machine – vertical, horizontal and axial at each bearing location
For monitoring – one point per bearing and add axial whenThere is a thrust bearing or axial potential faults eg. misalignment
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Machinery Health Monitoring Machinery Health Monitoring Strategy Strategy
Machinery Health Monitoring Machinery Health Monitoring Strategy Strategy
~125 Machines
~1375 Machines
~500 Machines
~500 Machines
Total # Machines 2,500Typical Industrial Process Plant
5%5%CriticalCritical
25%25%EssentialEssential
30%30%ImportantImportant
20%20%SecondarySecondary
20%20%Non-EssentialNon-Essential
TurbinesGenerators
Compressors
MotorsPumps
FansGears
Application at Typical PlantApplication at Typical Plant
Online Solutions for Online Solutions for critical machinery critical machinery
WirelessWirelessTransmittersTransmitters
Multi TechnologiesMulti TechnologiesPortable SolutionsPortable Solutions
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By the Medical ECG we know the
condition of our Heart
By the CSI 2130 we check your Machinery
Health Condition
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www.sajetc.comDate Representation
Wave Form Plot or Domain Plot
FFT Spectrum Plot
Orbit PlotWaterfall Plot
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Unbalance Misalignment
Structural Looseness
Bearing Looseness
Structural Resonance
Sleeve BearingLooseness/Rubs
Gear ProblemMisalignment
Pump Cavitation
FFT Spectrum Plot for some Problems www.sajetc.com
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Oil Analysis www.sajetc.com
OIL . . . your engine’s lifeblood . . . can reveal its internal condition……
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Oil Analysis
Oil analysis is a quick, nondestructive way to gauge the health of an engine by looking at what's in the oil. It is as like as medical blood test, where we can know about our diseases from our blood.
Oil Analysis Blood Test
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• Friction control --- Separates moving surfaces• Wear control --- Reduces abrasive wear• Corrosion control --- Protects surfaces from corrosive
substance• Temp control --- Absorbs and transfer heat• Contamination control --- Transport particles and other
contaminants to filters/separators• Power transmission --- In hydraulics, transmits force and
motion
Functions of Lubricants
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CSI 5200 Minilab “The Oil Analyzer”
The Complete Minilab with1.CSI 5200 Main Unit2.52DV Digital Viscometer3.52ZM Stereo Zoom Microscope 4.51CV Camera5.Video Capture kit 6.AMS Machinery Manager
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CSI 5200- Oil Analyzerwww.sajetc.com
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All Test of Your Oil www.sajetc.com
The minilab provides comprehensive oil analysis results including 1.Elemental Analysis 2.Particle count, 3.Particle Shape Analysis 4.Parts per million (PPM) distribution , 5.ISO codes,6.Ferrous density, 7.Oil Chemistry ( Dielectric, TBN, TAN, Oxidation, Nitrasion, Sulfation, Soot etc)8.Water-in-oil, 9.Viscosity 10.Detail wear debris analysis (WDA) with WDA image and video.
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Wear Debris Analysis www.sajetc.com
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Sliding Wear• Severe sliding wear commences
when the wear surface stresses become excessive due to load and/or speed.
• Many sliding wear particles have surface striations as a result of sliding.
• Severe sliding wear starts with particles greater than 15 µm.
Catastrophic Sliding WearSevere Sliding with Lubrication Starvation
Severe Sliding Wear
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Break-In of a Wear Surface
Ridges on the wear surface are flattened and form cornices which break away and form long flat particles
Typical surface finish
Schematic view of grinding marks from surface finishing. Plastic Deformation
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Three Body Abrasive Wear
“Soft” Surface
“Hard”Surface
Hard abrasive contamination
Cutting wear particle
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Surface Damage due to Hard Particles
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Rolling Element Bearing Failures
Surface initiated cracks propagate at acute angles to the surface
Cracks initiated in subsurface by high shear stress
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The Fatigue Process
Fatigue of bearing components occurs due to cyclic stressing between rollers and raceways. High stresses are generated underneath the raceway. Maximum stresses are at some distance below the race way surface.
Cracking can initiate at inclusions and propagate until it finally breaks out at the surface causing spalling. The edges of the spall act as stress risers causing further removal of material at the spall. A repaired spall can also propagate subsurface cracking and eventually flake out adjacent to the initial repaired area.40
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Rolling Fatigue• Fatigue spall particles originate as material removed as a pit opens up.• The fatigue spall particles start at approximately 10 µm and are flat
platelets with a major dimension to thickness ratio of 10:1.• Fatigue spall particles have a smooth surface and a random, irregular
shaped circumference.
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Rolling Contact Fatigue Particles
Irregularly shaped fatigue spall particle with a smooth heavily pitted surface
Rolling element fatigue spall particles – smooth surfaces and irregular contours
Thin laminar fatigue particle < 1 micron thick
Laminar fatigue particle with holes
Increased Mag
Increased Mag
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Spheres
Spheres generated from an extraneous source such as a welding or grinding process. These spheres are much larger than those generated by bearing fatigue.
Spheres generated by a fatiguing bearing < 5 microns43
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Combined Rolling and Sliding (Gear Systems)
Pitch line Pitch line
Pitch CirclePitch Circle
Scuffing / Scoring(Increasing Sliding Component)
Fatigue pitting
Gear systems combine both rolling and sliding. At the pitch line, the contact is rolling so the particles will be similar to rolling contact fatigue particles. The contact has an increasing sliding component as the root or tip is approached. The particles will show signs of sliding such as striations and a greater ratio of major dimension to thickness.
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Fatigue Particles from Combined Rolling and Sliding
Irregularly shaped smooth surface fatigueparticle.
Fatigue chunk
Pitch Line Fatigue Wear (Rolling)
Root / Tip Sliding Wear (Scuffing)
Individual Scuffing wear particles showing signs of oxidation.45
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PLATELETS:Two dimensional particles produced by metal to metal sliding.
SPHERICAL:Produced by bearing fatigue or by lubrication failure resulting in local overheating.
SPIRALS:Similar in appearance to machining swarf, and are produced by a harder surface abrading into a softer
CHUNCKY:Produced by a fatigue mechanism
WDA Imageswww.sajetc.com
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Thermography
Infra Red Thermography is a technique for producing a visible image of invisible (to our eyes). Infra red radiation emitted by objects due to their thermal conditions. The amount of radiation emitted by an object increases with temperature; therefore, thermography allows one to see variations in temperature.
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www.sajetc.comWhy Thermography?
• Non Contact
• Rapid Scanning
• Data can be recorded in differing formats
• Images produced are comprehensive & reliable
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Thermography for Aircraft www.sajetc.com
Thermography can be an indispensable tool for inspecting the planes. An entire aircraft can be surveyed in 20 minutes with no downtime. Images are recorded digitally for later analysis at an image processing workstation.There are many more instances when thermography can be utilized
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Aerospace Applications
1. Water ingress in airplane control surfaces and
radomes2. Tire and brake system diagnosis
3. Windshield and wing surface deicing system diagnosis4. Stress crack and corrosion identification and location5. Jet and rocket engine analysis6. Composite materials delamination and disbanding location7. Target signature analysis
Thermography Applications in Aircraft
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Advantages
• Non Contact
• Non Intrusive
• Can work at a distance
• Fast and Reliable
• Portable
• Convincing Results
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CSI 9830 (HOT SHOT) IR Thermal Image Camera
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SEE THE IMAGE, SEE THE TEMPERATURE
SEE THE TEMPERATURE, SEE THE PROBLEM
www.sajetc.comThe Motto of CSI 9830
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Thermal Images of Aircraft
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Water ingress in airplane control surfaces and radomes
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Thermal image showing water ingress (dark areas) on illustrated section of aircraft
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Boeing 737. The cockpit of a Boeing 737 when being boarded as shown by the Thermal Image Camera.
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Boeing 737 Turbine. Shows the heat pattern in the turbine of this jet.
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Boeing 737 front wheel. Thermal imaging provided by the Camera shows no uneven wear or heating on this plane wheel.
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Tire and brake system analysis
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Jet Engine analysis
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Electrical
• Switch Gear• Fuse boxes• Cable runs• Electrical connectors• Insulation• Transformers
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Fan
18.7°C
37.4°C
20
25
30
35
AR01
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Fuse Box
23.3°C
38.1°C
25
30
35
LI01
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Electrical Connections
Used for the detection of;
• Corroded connections• Slack / loose connectors• Connectors at too high an
operating temperature• Hot spots
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![Page 70: Presentation on Condition Monitoring Technology](https://reader036.fdocuments.us/reader036/viewer/2022062616/549a59ffb479594e738b466d/html5/thumbnails/70.jpg)
Electronics www.sajetc.com
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Electric Motor Bearing www.sajetc.com
![Page 72: Presentation on Condition Monitoring Technology](https://reader036.fdocuments.us/reader036/viewer/2022062616/549a59ffb479594e738b466d/html5/thumbnails/72.jpg)
Electrical Motor www.sajetc.com
![Page 73: Presentation on Condition Monitoring Technology](https://reader036.fdocuments.us/reader036/viewer/2022062616/549a59ffb479594e738b466d/html5/thumbnails/73.jpg)
High Voltage Substation www.sajetc.com
![Page 74: Presentation on Condition Monitoring Technology](https://reader036.fdocuments.us/reader036/viewer/2022062616/549a59ffb479594e738b466d/html5/thumbnails/74.jpg)
Process Plant
• Hot spots• Cold spots (Cryogenics)• Damaged or missing
insulation• Tank levels
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![Page 75: Presentation on Condition Monitoring Technology](https://reader036.fdocuments.us/reader036/viewer/2022062616/549a59ffb479594e738b466d/html5/thumbnails/75.jpg)
www.sajetc.com