Monitoring of Spindle Bearings During Operation...Page 2 Title: Monitoring of Spindle Bearings...
Transcript of Monitoring of Spindle Bearings During Operation...Page 2 Title: Monitoring of Spindle Bearings...
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Monitoring of Spindle Bearings During Operation
Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KG
Together We Move The World
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Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KGTable of contents
ü Spindle bearing monitoring during operation
ü Targets and approaches
ü Effects of bearing damages
ü Possible monitoring parameters
ü Temperature, Vibration
ü Vibration monitoring strategies
ü Basic principle of vibration monitoring
ü Practical examples
ü Offline and Online vibration monitoring
ü Schaeffler Technologies vibration monitoring products
![Page 3: Monitoring of Spindle Bearings During Operation...Page 2 Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KG Table of](https://reader030.fdocuments.net/reader030/viewer/2022011905/5f2a1904afb0285339644a0c/html5/thumbnails/3.jpg)
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Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KGTable of contents
ü Spindle bearing monitoring during operation
ü Targets and approaches
ü Effects of bearing damages
ü Possible monitoring parameters
ü Temperature, Vibration
ü Vibration monitoring strategies
ü Basic principle of vibration monitoring
ü Practical examples
ü Offline and Online vibration monitoring
ü Schaeffler Technologies vibration monitoring products
![Page 4: Monitoring of Spindle Bearings During Operation...Page 2 Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KG Table of](https://reader030.fdocuments.net/reader030/viewer/2022011905/5f2a1904afb0285339644a0c/html5/thumbnails/4.jpg)
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Condition Monitoring a tool of Condition Based Maintenance
Maintenance strategies:
ü Running until failure
ü Advantage: Effort only in case of failure
ü Disadvantage: No maintenance planning possible
ü Planned maintenance / Preventive maintenance
ü Advantage: Failures can be avoided
ü Disadvantage: In certain cases unnecessary effort
ü Condition based maintenance
ü Advangtage: Optimum performance of components
ü Disadvantage: Information about components necessary
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Maintenance:
Ø Avoid unplanned shut downs
Ø Ensure and increase machine availability
Ø Information about machine componentsØ Support for maintenance schedule
and maintenance capacityØ Maintenance without disturbing
normal machine operationØ Reduce of maintenance costsØ Reduce stock of components
Ø Online monitoring of beginningdamages of components
Production:
Ø Avoid disruption of production
Ø Increase productivity
Ø Reduce production costs
Ø Ensure product quality
Condition Monitoring a tool of Condition Based Maintenance
Condition Monitoring
Targets and approaches from point of view….
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Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KGTable of contents
ü Spindle bearing monitoring during operation
ü Targets and approaches
ü Effects of bearing damages
ü Possible monitoring parameters
ü Temperature, Vibration
ü Vibration monitoring strategies
ü Basic principle of vibration monitoring
ü Practical examples
ü Offline and Online vibration monitoring
ü Schaeffler Technologies vibration monitoring products
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Cause of spindle bearing failure
Ø Operating life time is limited in most cases dueto wearØ Sealing: Ingress of foreign particlesØ Lubrication: contaminents
Ø Indentation in racewaysØ Plastic deformation as result of static
overloade.g. crash
Ø foreign particle cycling
Ø Material fatigueØ pittingØ crack
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Normal raceway
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Fatigue, pitting
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Indication of bearing damage
Ø Reduction of workpiece quality
Ø Temperature profile
Ø Noise, Vibration
Ø Due to fatigue and racewaydamages
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Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KGTable of contents
ü Spindle bearing monitoring during operation
ü Targets and approaches
ü Effects of bearing damages
ü Possible monitoring parameters
ü Temperature, Vibration
ü Vibration monitoring strategies
ü Basic principle of vibration monitoring
ü Practical examples
ü Offline and Online vibration monitoring
ü Vibration monitoring products of Schaeffler Technologies
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Ø Friction Torque
Ø Bearing temperature monitoringØ Change of preload and malfunction
of floating bearing generates typicaltemperature profiles
Ø Vibration monitoring / noiseØ Continuous monitoringØ Periodic monitoring
Ø Characteristic value monitoringØ Frequency analysis
Possible monitoring parameters
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Bearing Friction Torque ( coast down )
0
2000
4000
6000
8000
10000
12000
0 10 20 30 40 50 60 70 80Zeit [s]
n [1
/min
]
OK
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Temperature Monitoring
Ø Reference Temperature
Ø Contact to the measuringObject
Ø Temperature Developing
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0
0,5
1
1,5
2
0 10 20 30 40 50
Temperature [°C ]
Run
tim
e [h
]
Temperature Monitoring
0
0,5
1
1,5
2
0 10 20 30 40 50Temperature [°C ]
Run
tim
e [h
]
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Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KGTable of contents
ü Spindle bearing monitoring during operation
ü Targets and approaches
ü Effects of bearing damages
ü Possible monitoring parameters
ü Temperature, Vibration
ü Vibration monitoring strategies
ü Basic principle of vibration monitoring
ü Practical examples
ü Offline and Online vibration monitoring
ü Schaeffler Technologies vibration monitoring products
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XXDamage Limitation
XXCondition basedmaintanance
XStoring of OperatingConditions
XXQuality Assurance
ContinuousPeriodicalOne-Time
Targets - Vibration monitoring strategies
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Spindle bearing arrangement in machine toolØ Lathe machineØ Milling machineØ Drilling machineØ Grinding machine
Characteristic of spindle arrangementØ High running accuracyØ High stiffnessØ Low running noise
Ø at high turning speed
è Consequential: Definition of monitoring parameters and strategies
Bearing arrangement of machine tool
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Source of noise in bearings
Ø Elastic deformation
Ø Friction, lubrication noise
Ø Surface effects( change of contact surface, local damage, wear )
Ø Surface of rolling elementØ Outer and Inner ring raceway
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Cycling of surface effects
Ø Cycling of damages on surfaces generatesimpacts
Ø Impacts leads to looses of qualityand higher running noice
Ø Even little damages may lead to strong qualityproblems
Ø Specified monitoring of bearing defect frequencies
Ø Attention !Progress of damage very fast on high speedapplications
Ø Damage on outer ring
Ø Damage on inner ring
Ø Damage on rolling element
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Specified damage bearing frequencies
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Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KGTable of contents
ü Spindle bearing monitoring during operation
ü Targets and approaches
ü Effects of bearing damages
ü Possible monitoring parameters
ü Temperature, Vibration
ü Vibration monitoring strategies
ü Basic principle of vibration monitoring
ü Practical examples
ü Offline and Online vibration monitoring
ü Schaeffler Technologies vibration monitoring products
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Offline monitoring of spindles
Ø Offline measuring with Data collector
Ø Measurements on test rig
Ø Create databasemachine information, spindle number, bearing type and documentation spindle condition
Ø Combination of parameter monitoring and deep frequency analysis
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Ø Measurements at same turning speedand same sensor position
Ø Trending of parameters andamplitudes of specified frequencies
Ø Right setting of monitoringconfiguration
Offline monitoring of spindles
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Ø Periodic measurementswith documentation
Ø Trending data and deviation
Ø As a result of frequency analysisbearing damages are detected on time
Offline monitoring of spindles
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Damage on bearing racewayMeasurement taken on work piece spindle
– Impacts as a result of damagedbearing are visible in thefrequency spectra
Measurement taken after replacement of spindle bearing arrangement
– The vibration signal doesn‘t consistbearing defect frequencies
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Online monitoring of tool spindlesØ Online monitoring of stationary tool
spindles with permanent installed sensors
Ø Monitoring of spindle bearingsØ Monitoring of overall vibration levelØ Frequency analysis
Ø Monitoring of unbalance (1x turning speed)
Ø Data communication via TCP/IP (Network)Ø Alarm informationØ Data transfer
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Measuring only during idle position at same speed:
Ø Measuring on idle position:Ø No additional vibration sourcesØ Increased visibility of damage frequenciesØ Detection of incipient damages on bearings
is possibleØ Spindle bearing frequencies can be separated
Ø Measuring on same speed: Ø Reliable data trending and alarm settings
Online monitoring of tool spindles
Start button for measurement
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Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KGTable of contents
ü Spindle bearing monitoring during operation
ü Targets and approaches
ü Effects of bearing damages
ü Possible monitoring parameters
ü Temperature, Vibration
ü Vibration monitoring strategies
ü Basic principle of vibration monitoring
ü Practical examples
ü Offline and Online vibration monitoring
ü Schaeffler Technologies vibration monitoring products
![Page 30: Monitoring of Spindle Bearings During Operation...Page 2 Title: Monitoring of Spindle Bearings During Operation Lecturer: Ehad Arifi, Schaeffler Technologies GmbH & Co. KG Table of](https://reader030.fdocuments.net/reader030/viewer/2022011905/5f2a1904afb0285339644a0c/html5/thumbnails/30.jpg)
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FAG Detector III – Monitoring and balancing with a single device
FAG Detector III
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Vibration diagnosis
§ Route planning
§ Integrated bearing database
§ Automatic alarm threshold adjustment
§ Automatic selection of measuring points(RFID technology)
§ Presentation of vibration data trends
§ In-depth diagnosis
§ Customer-specific measurement reports
FAG Detector III – Functions
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FAG Detector III – Scope of delivery
FAG Detector III Balancing Kit§ Acceleration sensor with magnetic foot§ Trigger sensor (optical and inductive)§ Weighing balance§ Magnetic holder for trigger sensor§ Extension for magnetic holder§ Cable for trigger sensor (length 10 m)§ Reflex mark for trigger sensor§ Dongle for activation of balancing function§ Case
FAG Detector III Kit*§ Base device with rechargeable battery§ Acceleration sensor with magnetic foot§ Contact-free (infra red) temperature sensor§ Power pack§ PC data cable (serial/USB)§ User manual§ Protective bag with holder for temperature sensor§ PC software Trendline§ RFID tags§ Case
Completediagnosis system
•Available with and without RFID technology-Please note: The RFID functionality is notavailable worldwide.
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FAG DTECT X1 s
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FAG DTECT X1 s - Advantages
New
All necessary functions in one device:§ Monitoring from up to eight channels plus
two additonal channels§ Integrated rotary frequency input§ Improved overvoltage protection for power,
additional signals and communication, sensor defect identification
§ TCP/IP and serial communication (WiFi option)§ Extended operating temperature from
-20 oC up to +70 oC for device environment§ Analog interfaces to process systems with optional
galvanic isolation to protect control systems§ Protection class IP 67
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FAG DTECT X1 s - Advantages
New
Small design: § W: 260 mm x H: 150 mm x D: 90 mm
Standardized connection technology:§ Flexible and easy installation in the field through
M12 connection sockets§ Isolation amplifier as separate modules upgradable
in the field (adjustable: 0 – 10 V, 0 – 20 mA, 4 – 20 mA)
Compatibility to existing installations:§ Firmware and software
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Safety through vigilance!The time is ripe: vibration sensors on every machine
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FAG SmartCheck – Products and services
permits access to datavia smartphones
e.g. via standard web browser
thanks to status LEDsthanks to monitoringconfiguration template
through easy mountingand little wiring
FAGSmartCheck App
EASY retrieval of measured data
INTUITIVE operation
IMMEDIATELY ready for use
QUICKinstallation
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FAG SmartCheck – Products and services
* At the planning stage
Derivation of processcontrol measures
Analysis and diagnosissoftware permitsremote access to FAG SmartCheck
Various machine and process parametersare recorded and correlated withvibration signals
Data exchange OPC UA client server*
Communication and power supply via a single line
Integration intocontrol station
Webinterface:FAG SmartWeb
Gain informationfrom data
Integration intoPLC / OPC
Network capableand Power overEthernet (PoE)
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Standard andtailored to ourcustomers‘ needs
● System integrationand adaptation
● Integration relatedconsultation
● Maintenance service
● Preparation of condition reports
● Writtenrecommendations foraction
● Remote servicing(analysis and reporting)
● System maintenance(adjustment of alarmthresholds etc.)
● Definition of measuring points
● Commissioning● Reference
measurements● Measuring rounds● System integration● Investigation of the
cause(s) of problems
Training coursesServices Reconditioning
Condition reportRemotemonitoring
On SITE service
FAG SmartCheck – Products and services
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Together We Move The World
Thank you