810 Vibration Tester Training
Contents
1. ap Motor Bearing Type Roller Bearing L eNext Component Flexible Coupling A Press enter to change selection eDriven Component Centrifugal Pump ILE Impeller is supported by Two Bearings eNumber of Vanes optional 5 2010 Fluke Corporation Introducing 810 Vibration Tester Review Setting Up a Machine Click on screen to start or pause video 2010 Fluke Corporation Introducing 810 Vibration Tester Step 2 Taking a proper measurement MEASURE Sensor Placement Timer 29 48 New orientations locations Use last orientations locations Rotate dial for FIRST placement Measure Measure Tips Enter Exit Tips Enter Exit Fluke 810 ships with a tri axial Fluke sensor which can collect vibration Signals from three axes simultaneously 81075 icon based visual measurement screens are designed to make the sensor placement and sensor orientation screens easy and convenient for the user Sensor Placement 2010 Fluke Corporation Introducing 810 Vibration Tester 38 FLLIK E Sensor Placement The numbers at the top of the drive train image indicate measurement locations Location numbering follows the flow of energy Measurement Tips for measurement location For consistent diagnoses over time you must place the triaxial sensor at the exact same location on a machine and with the same orientation Donot take bearing measurement2. Historical or calendar based maintenance Upside Increased equipment life Reduced equipment or process failure Flexibility with maintenance scheduling Downside Fault free machines maintained unnecessarily could lead to incidental problems with components Overhaul reduces reliability of the machine see the bathtub curve More labor intensive than Reactive Maintenance Introducing 810 Vibration Tester Maintenance Practices Predictive Maintenance Proactive Condition Based Use of different testing vibration thermography oil analysis ultrasound are the most common to understand machine condition and prevent failure Upside Allows preemptive action to increase equipment life Increased equipment life Reduced equipment or process failure Reduced repair parts and labor costs Increased safety Reduced likelihood of catastrophic failures z Downside G G e Increased investment in diagnostic test equipment Increased investment in training and staff Cost benefits not readily seen by management e require top down cultural change in maintenance approach How is maintenance performed in your facility How often do mechanical breakdowns occur What do you do to keep mechanical breakdowns from recurring 2010 Fluke Corporation Introducing 810 Vibration Tester Early Indicators of Machine Health V lt N ii d o
3. Introducing 810 Vibration Tester Get Answers Now Ask questions at any time Please turn your cell phone to vibrate f you must take a call please feel free but we ask that you take It outside the seminar room 2010 Fluke Corporation Introducing 810 Vibration Tester Maintenance practices What is mechanical vibration What are the benefits of vibration testing How a vibration meter works Vibration basics Introduction to the Fluke 810 Vibration Tester Vibration Testing in 3 Easy Steps Setting up the machine Taking a proper measurement Interpreting the diagnosis Viewer PC software How to start testing vibration in your facility 2010 Fluke Corporation Introducing 810 Vibration Tester FO LITA x 2010 Fluke Corporation Maintenance Practices Reactive Maintenance Often called run to failure No repair or maintenance actions are taken on machinery until the designed life span is reached or other variables cause the machinery to fail Upside Lower upfront maintenance costs Lower maintenance staff costs Downside Unplanned sometimes catastrophic downtime and overtime hours Secondary damage to machines impacted by the failed machine Potentially higher capital costs as entire components may need to be replaced Machines control maintenance department Preventive Maintenance Proactive Calendar Based Also called
4. Closed Coupled Machines Spindles DIAGNOSE 810 cannot be used on Turbines Centrifuges Purifiers Diesel gas engines and generators Beveled gearboxes Most common equipment types Optimized for everyday troubleshooting Most common faults 2010 Fluke Corporation Introducing 810 Vibration Tester 810 Vibration Tester Features N Features On board diagnosis and location of the four most common standard mechanical faults bearings looseness misalignment unbalance and other nonstandard faults e Fault severity scale with four severity levels Slight Moderate Serious and Extreme Prioritized repair recommendations e Diagnostic details include cited peaks and vibration spectra e Context Sensitive Help 2GBexpandable on board memory e Data export via USB connection for more detailed Analysis e Laser tachometer for accurate machine running speed e 100 mV g TEDS tri axial accelerometer e Data storage and tracking with included VIEWER Software Languages English French German Italian Portuguese Spanish Japanese Simplified Chinese 2010 Fluke Corporation Introducing 810 Vibration Tester 810 Vibration Tester Product Overview General Supports single Mini USB PC Laser Specifications and tri axial Connection Tachometer accelerometer input Multilingual inputs interface Onboard Context Sensit
5. ORDERS 02010 Fluke Corporation Introducing 810 Vibration Tester Sources of Imbalance rence in dimension of mating parts e g shaft bore leflection e g paper mill rolls or machining errors nass distribution in electrical windings corrosion eccentric rotor or erosion of rotors 2010 Fluke Corporation Introducing 810 Vibration Tester 15 What is Misalignment In machines perfect alignment occurs when the centerline of two coupled shafts coincide When they do not coincide misalignment exists 1 Three types of misalignment are possible Angular the centerline of the two shafts intersect but are not parallel 1 EE Angular Misalignment e Parallel the centerline of the two shafts are parallel but not concentric Parallel Misalignment Parallel and Angular Common most misalignment is a combination of angular and parallel 2010 Fluke Corporation Introducing 810 Vibration Tester Sources of Misalignment an be caused by several sources including sembly or shifting after assembly on due to pipe strain on due to torque combined with flexible support erature induced growth of the machine structure e I E r3 e Ya C MaCninec coupling te coupling lubrication B Tangential Misalignment will manifest itself in two ways At 2X running speed in the Radial amp Tangential directions parallel e A
6. cost in lost revenue plus repair costs 1 Average cost of current test equipment hardware and software 2 Average cost of dedicated experienced vibration technician FTE Assume 1 man hour motor month 3 Average upfront equipment training costs maintenance training 4 Add steps 1 through step 3 This is the total first year cost of program startup 1 Assume 50 of unplanned downtime and repair costs savings total savings per year 2 Return on Investment amp Payback of vibration testing program total cost per year 20 000 hr critical amp non critical machine failures 8 hrs down 5 motors 1x yr S20 000 8 5 800 000 30 hr 8 hrs 2 techs 480 5000 motor 5480 805 480 due to critical non critical failures 30 000 1 hr mo motor 150 motors 12 mos yr 35 man hr 563000 6000 102 000 805 480 50 402 740 102 000 402 740 0 25 yrs or 3 mos Basic vibration testing programs pay for themselves but current solutions are designed for experienced vibration analysts within a predictive maintenance context Upfront costs hardware software training headcount can still be high Vibration provides the earliest Indicator of machine condition Vibration addresses all the moving parts of rotating equipment and can identify root cause oaves time by addressing problems earlier saves money by reducing spare parts inventories 2010 Fluk
7. hr critical amp non critical machine failures 8 hrs down 5 motors 1x yr 520 000 8 5 800 000 30 hr 8 hrs 2 techs 480 5000 motor 5480 805 480 due to critical non critical failures 7 999 SO Use existing technician resources no incremental cost SO Training DVD included no incremental training costs 7 999 805 480 50 402 740 7 999 402 740 1 wk Fluke 810 makes vibration testing easy for maintenance teams no additional training 2010 Fluke Corporation costs software and support fees fits into existing preventive maintenance routines Introducing 810 Vibration Tester With the Fluke 810 vibration testing is within reach t s easy to use It gives you answers when you need them It includes everything you need to get started immediately 4 You will understand Root cause of faults and fix it right the first time Severity of failures and prioritize your repairs Location of faults and focus your repair work t requires minimal upfront investment but the ROI is significant 2010 Fluke Corporation Introducing 810 Vibration Tester Fluke 810 Vibration Tester Get Answers No w i n F TES fr i Fy T ee Visit www fluke com machinehealth for more information 2010 Fluke Corporation Introducing 810 Vibration Tester 60
8. the plot of the vibration signal s amplitude NA y axis against frequency x axis Example of a vibration spectrum Most vibration data collectors analyzers and software get you this far but a trained technician is still required to interpret the data into something meaningful and actionable 2010 Fluke Corporation Introducing 810 Vibration Tester FLUKE Common Machine Faults amp Spectrum Analysis Every machinery fault produces a unique type of vibration signal Signals displayed in the vibration spectrum often form characteristic patterns Pattern recognition is a key part of T vibration analysis but significant training and experience are necessary to read the o del Le Au e n Ss Lla patterns i i I fh LE i E fa e inthis seminar we will analyze 4 different type of failures Imbalance Misalignment Looseness Bearing Failures 2010 Fluke Corporation Introducing 810 Vibration Tester What is Imbalance Imbalance is a condition of a rotating part where the center of mass does not lie on the axis of rotation In i I other words there is a heavy spot somewhere on the rotor The large peak of 124 VdB at 1X running speed is caused by the imbalance 140 sa 130 other peaks caused different 120 phenomena in the machine Nm w 6
9. BLEM HOW BAD IS THE PROBLEM Diagnosis Details Cited Peaks CITED PEAKS Mechanical faults are detected at certain running speeds or frequencies in the spectra Loc Axis Amp Orders Range Y Orders AN 1 of 30 Rotate dial to select axis Zoom Previous Next Graph Back In Spectra Spectra Label Description Location of fault Bearing locations are numbered 1 to n from free end of motor 1 to end of drivetrain n Direction of vibration signal Axial Radial or Tangential Vibration signal amplitude cited from this Amplitude specific location Axis Multiples of the running speed or frequency and identifies at which running frequency that the cited amplitude peak is detected Tigua range of data collection Hi or Orders 2010 Fluke Corporation Introducing 810 Vibration Tester Diagnosis Details Spectra 4 76 in sec 0 33333 Lo 4 07 in sec 0 33333 Lo ii 4 1 87 in sec 0 33333 Lo x Orders y T 7 Y i 1 of 30 Rotate dial to select axis ES Viewing the spectra is a ee simple on the 810 tal i II hi Y e ip W Export the data to the Viewer software and view spectra in greater detail 2010 Fluke Corporation Introducing 810 Vibration Tester Review Interpreting the Diagnosis Click on screen to start or pause video 2010 Fluk
10. Corporation Introducing 810 Vibration Tester FLLIK E D6 17 2D0n9 03 17 2009 15 Measurement date Transfer status A 9 1 2009 10 23 28 PM 09 01 2009 22 23 26 Not transferred to BC gt Im ort measurem ent A ata fr om L e Q10 to a p Y PE HP a 2010 Fluke Corporation Introducing 810 Vibration Tester FLUKE Transfer Export Diagnostic Data 06 17 2009 End date mm dd yyyy 09172008 Vibration Testerl 05 01 2009 22 23 2B Vibration esteri 8 01 2009 19 36 11 vIbrationTesteri 09 01 2000 19 33 21 ERE iz P p pum SEE ppc T M ERE m Va i EE EE ES a WU AK pr 4 EPP Y mr AI J DE VIA gt Ga G PE TI EE CAC ry h l i A TD y Y Y i lu i LAU Va 2 e Q independent analysis 2010 Fluke Corporation Introducing 810 Vibration Tester FLUKE Transfer Export Fault Data to pdf ITST T5T 8 1 20087 44 3 PDM TsT 9 1 2006 7 38 11 PM Motor Drive End Bearing Wear T 09 01 2009 19 44 71 Fan Inbalance 09 01 2009 19 44 21 No problems detected p 09 01 2009 19 44 21 Fan Drrve End Looseness 09 01 2009 19 44 21 probleme detected eric 1 2000 19 44 71 Motor Free End Bearing Vear Serious D9 01 2009 19 44 21 Fr Pae Fm T i Pu ESL eee P d OE Export your diagnostic data to a
11. PDF format report 2010 Fluke Corporation Introducing 810 Vibration Tester Machine Setup kapi S r fure eed 1025 x 750 wa LT IN Wit T a g YAY P VM Vl LI 8 der q em coo w V VIDNI dU UV NAC I a w 7 wt 3 2 1 I us ues u 02010 Fluke Corporation Introducing 810 Vibration Tester View Diagnosis opeornonranaz BB kcarpuwecHEsT SS KICRFDUMPCHEST 10i 14 214 Selected Haasurement DOO0TDOU7ADO3 gt KCRAGUMPCHEST x KERFDUMPOBEST 10 14 2009 11 14 41 AM Location Location i L Location Locations SK KCPRECDOLSLIPFAN aet FLCHILLERPHPIF ROHILLERPMP B tz RRCHILLERPHPIC Extreme Non a anda Faut Detectec mes FLCMILLERPME D P Extreme Gearb x Inout Shaft Looseness Or Possible Pirion Damage i ig FLOMILLERPMP A MES FLTOWWATEREMB A of Et RrOwwarERpupra CR AUR DataDog ge FLOHILLERPMP B ax FLOMILLERPUPIF 1 t me FLCHILLERPMPIA i FLEHILLERPHPAC Inspect Garwa Input 5n Bearings And Pinien 3 S RTOWHZOPMPID mE FLTOWH2OPMPIF Her newed 1D x ee ver id 2010 Fluke Corporation Introducing 810 Vibration Tester View Diagnosis VibrationTesteri Tester Name Ver age 8 JST Tester ID Device serial number FLK 0821 DataD
12. Use it to quickly troubleshoot problems or monitor machine conditions Is sensor located on side WATER PUMP T Diagnosis Faults 1 NEN os Extreme Motor Free End Ja Bearing Looseness Serious Motor Drive End mm a Bearing Looseness Moderate Motor Drive End mH m Y 1of6 DIAGNOSE Fix it right the first time With the press of a button the Fluke 810 identifies the root cause its location and how severe the problem is 2010 Fluke Corporation Introducing 810 Vibration Tester Fluke 810 Uses Available Data Fluke 810 requires the same information a vibration analyst needs Component types motors pumps etc Rotating shaft speed It automatically sets up the measurements necessary to perform its diagnosis WATER PUMP III SETUP Transmission without Closed Coupling w k Coupling between motor Yes and next component Next component Pump FAN Press enter to change selection 2010 Fluke Corporation Introducing 810 Vibration Tester Diagnoses Four Most Common Faults Covers 80 of mechanical failures Bearing Condition Misalignment Unbalance Looseness Use on the most common industrial machinery e Motors AC DC HP Fans Blowers Belts and Chain Drives Gearboxes Couplings Pumps Centrifugal Piston Sliding Vane Propeller Screw Rotary Thread Gear Lobe Compressors Piston Centrifugal Screw
13. d kit with adhesive 4 USB cable e Viewer PC software 2 Shoulder and hand straps Hard carrying case Quick Reference Guide _ e Getting Started Guide User Manual CD FREE Product Application Training DVD available separately List Price 7 999 2010 Fluke Corporation Introducing 810 Vibration Tester Fluke 810 and Your Maintenance Routine I0 Vibration Tester to identify the root cause and post maintenance re parts inventory e or less experienced technicians 02010 Fluke Corporation Introducing 810 Vibration Tester 1 Net income per hour of output for production line or other critical process 2 Calculate the average downtime due to mechanical failures for each equipment failure and number of events per year 3 Multiply the results of step 1 by both values in step 2 4 Estimate labor overtime and equipment parts cost per downtime incident 5 Add step 3 and step 4 This is the annual cost in lost revenue plus repair costs 1 Cost of Fluke 810 2 Average cost of dedicated experienced vibration technician FTE Assume 1 man hour motor month 3 Average upfront equipment training costs maintenance training 4 Add steps 1 through step 3 This is the total first year cost of program startup 1 Assume 50 of unplanned downtime and repair costs savings 2 Return on Investment amp Payback of Fluke 810 total cost per year total savings per year 20 000
14. e Corporation Introducing 810 Vibration Tester Viewer PC Software VIEWER Software enables the users to upload their machine data machine setups and diagnostic data to store keep track and view in greater detail Also users can use the PC to set up machinery fast and easy Transier Transfer machine data to and from the Tester EC Export machine data for additional expert analysis Create edit delete machine setups easily with the keyboard View Diagnosis Review full machine diagnosis e View spectra in full detail Preferences Modify application settings e g language date time units sub units etc HEG 2010 Fluke Corporation Introducing 810 Vibration Tester FLLIK E Transfer Import Export Machine Setup Transfer Import Machine Setup Select date Start date mm dd yyyy 06 17 2009 i 09 17 2000 09 02 2009 11 44 32 Completa 09 02 2009 11 44 32 Not Transferred 09 02 2009 17 13 32 Completa 03 02 2009 17 13 32 Not Transferred 09 02 2009 17 14 23 Complete 09 02 2009 17 14 23 Not Transferred 09 02 2009 17 15 03 Complete 09 02 2009 17 15 03 Not Transfer 09 02 2009 17 16 17 Complete 09 02 2009 17 16 17 Not Transferred 09 02 2009 17 17 11 Complete 09 02 2009 17 17 11 Mat Transferred J Y ie Of VI p cn Wi e u DS tl I gt est er to th e e W sum Machine nee AH in Pc to Aur ace 2010 Fluke
15. e Corporation Introducing 810 Vibration Tester hat is Mechanical Vibration on is the oscillation of a point an object or a part of an round a fixed reference or rest position pes of vibration are by design most types are symptoms of olems such as bearing condition shaft misalignment roble ess or out of balance conditions 02010 Fluke Corporation Introducing 810 Vibration Tester Mechanics of Vibration Testing Transducer picks up vibration signals from bearing locations and f r ge transmits them to a ag FY data collection device Example of a time waveform 1g equipment generate a unique vibration signal or signature e signals are usually captured in series with the signal s axis depicted over time x axis This is called a time waveform 02010 Fluke Corporation Introducing 810 Vibration Tester 11 FLUKE Easier to Interpret Kind Of The wave form contains all the information about the vibration of the machine at the point where it was measured e But the individual patterns of vibration caused by different events in the machine are all overlapped and jumbled together Example of a time waveform amp e A frequency analysis performed in the data collector or software clarifies and simplifies the time waveform data The result is called a vibration spectrum or vibration signature FFT or spectral plot e Spectrum is
16. f mechanical maintenance vibration remains earliest indicators of a machine s health M P F Interval 5 8 wks D l s D mn Heat By Touch P F Interval 1 5 days F Failure nalf of unplanned downtime attributed to failures why aren t more companies investing 2010 Fluke Corporation Introducing 810 Vibration Tester 6 Current Solutions Not for Everyone Current vibration analysis tools require a commitment Upfront investment Fulltime resources to learn and perform vibration analysis e Many facilities cannot make the necessary investment yet struggle daily with mechanical breakdowns e The only options available to these facilities have included Changing parts regularly before they wear out Outsourcing vibration analysis to consultants Using subjective techniques Simply firefighting or running to failure e Maintenance teams need help getting answers to their mechanical problems NOW 2010 Fluke Corporation Introducing 810 Vibration Tester 1 Net income per hour of output for production line or other critical process 2 Calculate the average downtime due to mechanical failures for each equipment failure and number of events per year 3 Multiply the results of step 1 by both values in step 2 4 Estimate labor overtime and equipment parts cost per downtime incident 5 Add step 3 and step 4 This is the annual
17. ies BUT 20 Upfront startup costs equipment training human resources can be significant Spectra analysis and machine diagnosis still complex Cultural change often necessary for PdM 2010 Fluke Corporation Introducing 810 Vibration Tester What if there was a way to understand machine condition Wilh little training With existing maintenance resources With minimal upfront cost At a glance AC 3 Diagnosis Faults 1 Extreme Motor Thrust 7 mm Bearing Problem Serious Motor Free End EH Bearing Wear Moderate otor Drive End MM Y p 1 of 4 mr Repair 115 2010 Fluke Corporation Introducing 810 Vibration Tester Click on screen to start or pause video 2010 Fluke Corporation Introducing 810 Vibration Tester 25 Vibration Testing in 3 Simple Steps WATER PUMP T SETUP Transmission without Closed Coupling SETUP Coupling between motor Yes and next component Vibration testing has never been easier The 810 asks for basic machine information customers already know Its onboard Info feature gives field tips for setting up and taking measurements like a pro Next component Pump y Press enter to change selection WATER PUMP 1 MEASURE Sensor Orientation Timer 29 48 MAJE Fluke 810 fits easily into customers maintenance routine
18. ive Help FLUKE Bin via FER FEW TEN WATER PUMP Diagnosis Faults 1 kj 2GB memory expandable with additional SD Card P mm Extreme Puig Ell Beer iri a Vy pF 8 hr battery life rechargeable 1 4 VGA Color TFT Viewer PC Software Machine Setups Import Export Track Data Store Thermal Images 2010 Fluke Corporation Introducing 810 Vibration Tester Traditional vibration analysis takes a long term view where a baseline condition is established and a machine s condition is compared over time to the original baseline Fluke 810 feeds the setup and measurement data into a set of powerful algorithms to identify a machine s mechanical faults Fluke 810 uses an innovative synthetic baseline to determine fault severity Diagnostic Engine marks abnormal peaks 2010 Fluke Corporation Introducing 810 Vibration Tester First Step Setting up a Machine Barokken Machine setups are easy to setup a new machine build save and recall A Setup Wizard guides the user through the process Garbage In Garbage Out Good machine setups promote better diagnoses Memory remaining 1790MB Battery status 80 ae EPA TER tou E D Sawed M Instrument OM W 21 P 3 RER Machine Machines Setup 2010 Fluke Corporation I
19. ntroducing 810 Vibration Tester Machine Setup SETUP Transmission without Closed Coupling g gt ETUP Motor Input o s 1 2 3 4 56 7 BM Select motor type AC Coupling between motor Yes AC motor with YFD and next component Enter speed in RPM sono Next component Fan Enter nominal hp a Press Enter to confirm the selection The Fluke 810 will ask for basic machine information you already know like RPM and horsepower e The Tester will ask questions regarding the drive train in the following order 1 Driver Motor 2 Transmission Coupling 3 Driven Component As you enter the parameters the Tester will create an iconic image of the drive train at the top of the screen 02010 Fluke Corporation Introducing 810 Vibration Tester Laser Tachometer 1ing speed the 810 Vibration Tester ships with a laser speed is key input to the 810 diagnostic system 2010 Fluke Corporation Introducing 810 Vibration Tester 34 An Example Machine Setup Here is an example of the list of questions that the Tester will 4 ask for a typical pump coupled to an AC Motor Machine Name Pump 1 WATER PUMP WN eAC Motor SETUP Driven Component _ Variable Frequency Drive 3 i g AP RPM 1800 Minimum 200 RPM Driven component bearing Roller HP 40 type Zf Motor Mounting Horizontal Pump type Centrifugal Impeller is supported by Two bearings
20. og 9 Machine ID FLCHILLERPMP B TST 9 1 2009 7 44 21 PM Measurement ID Measurement ID FLCHILLERPMP B 10 15 2009 11 29 21 Location Measurement Location Time waveform spectra Location4 Time waveform Spectra i EE ME CG L c c O O O O O O O ODODOVOODO O O O O O O ODO m py Specific Measurement Record by Location E eer 5809 A en Li Lope k AH TH ven L sl i P 5 131 05 Qvam IL Fh nn kata 2 58 vek Hy Tai hal L2 15 VAR 114 Hif 02010 Fluke Corporation Introducing 810 Vibration Tester View Diagnosis Spectra Double click to see full size spectra Low range High range 9 c3 s s s 3 o2 c o c3 c c r o ee n ns gp n n 5 e EE ey w w d ETE EE EEE Ae eT jequabue jeIpey 10 20 30 40 50 70 680 90 Orders View spectra across the three different dimensions axial radial tangential and over high and low Ranges Everything you need out of the box Fluke 810 includes everything you need to get started Vibration Tester aser tachometer with pouch Triaxial TEDS accelerometer sensor Quick disconnect cable Sensor mounting pa
21. s from a nter Exit foundation or fabricated base Do not mistake seal locations for a bearing measurement location on pumps Attach the Sensor to a clean flat bare metal surface if possible Thick layers of paint grease oil or other matter reduce both the holding force of the magnet and the high frequency response of the sensor Avoid mounting the sensor on thin surface areas such as fan shrouds and cooling fins 2010 Fluke Corporation Introducing 810 Vibration Tester 39 FLLIK E Sensor Orientation MEASURE Sensor Orientation Timer 28 12 E MEASURE Sensor Orientation Timer 26 18 Is sensor located Top Bottom Is sensor cable perpendicular to SHAFT Measure Measure Back Tips Enter Exit Tips Enter UA Y NN Sensor cable PERPENDICULAR Sensor cable ALIGNED with the SHAFT TN 02010 Fluke Corporation Introducing 810 Vibration Tester 40 EU a Advantages Highest frequency response very repeatable data troubleshooting due to time needed to screw unscrew the E over time y Disadvantages Less practical for walk around n Stud Mount Sensor from machinery often difficult to tap a hole in the ani desired measurement location Advantages High frequency response approaching that of a stud mount without having to tap a hole very repeatable data over time Disadvantages Less practical for walkaround troubleshoo
22. t 1X running speed in md er the Axial direction angular 2010 Fluke Corporation Introducing 810 Vibration Tester What is Looseness Mechanical looseness can be either of two types e Rotating Looseness A rotating looseness is caused by excessive clearance between rotating and stationary elements of the machine such as in a bearing Non rotating Looseness Non rotating looseness is a looseness between two normally stationary parts such as a foot and a foundation or a bearing housing and a machine 2010 Fluke Corporation Introducing 810 Vibration Tester Looseness in the Spectrum j ROtating Looseness E Excessive clearance in sleeve and rolling element bearings bearing looseness will produce harmonics of 1X that can extend in some cases above 10X Excessive journal bearing clearance can produce harmonics of 0 5X as shown They are called half order components or sub harmonics They can be produced by rubs and severe impacting 3X 5 5X AX Non rotating Looseness Most types of non rotating looseness also produce harmonics of run speed but they usually do not produce as many nor do they produce sub harmonics Non rotating looseness can generate random noise as well as harmonics and this produces a continuous spectrum rather than definite peaks 2010 Fluke Corporation Introducing 810 Vibration Tester The most important fact about bearing
23. ting due to time needed to screw unscrew the Sensor from mounting pad Adhesive Mount Advantages Fastest most convenient method for Magnetic Mount Walkaround troubleshooting p x Disadvantages While typically adequate for troubleshooting gt the magnetic mount does not have as high a frequency range as options that are more permanent Fluke 810 ships with a magnetic mount and 10 mounting pads with adhesive Additional mounting pad packs are available as accessories 02010 Fluke Corporation Introducing 810 Vibration Tester Review Taking a proper measurement Click on screen to start or pause video 2010 Fluke Corporation Introducing 810 Vibration Tester Dissecting the Diagnosis No repair action is recommended Retest the machine and monitor the condition after maintenance Extreme Motor Free End Months even up to a year No immediate repair action 15 HM NH Moderate required Increase the frequency of measurements and monitor Bedfing Looseqess the condition of the machine 7 NH gt m Weeks Take maintenance action during the next planned Serious downtime or maintenance period mH Eursmn Days Immediate action is required Consider shutting down Y the equipment and taking repair action now to avoid failure The Fluke 810 Vibration Tester will provide you actionable answers NOW WHERE IS THE PROBLEM i WHAT IS THE PRO
24. tones is that they are non synchronous i e they are not at the same frequency as any of the harmonics of the RPM e The illustration shows bearing tones at about 3 2 and 6 4 orders VdB 120 110 100 90 80 70 DA 1 2 3 4 5 6 Orders 2010 Fluke Corporation Introducing 810 Vibration Tester Causes of Bearing Failure Bearing condition degrades for a number of reasons e Heavier than anticipated loading inadequate or incorrect lubrication Ineffective sealing Shaft misalignment Snap ring groove FOR e Incorrect fit 2 y Ball 4 f A Seal shield 2 groove amp notch Inner ring O Inner race Outside diameter Bore Cage Inner ring face Outer ring Outer ring face Outer race 2010 Fluke Corporation Introducing 810 Vibration Tester Typical Bearing Wear Progression 02010 Fluke Corporation Machine Without Bearing Problems Machine With Late Stage Bearing Problems Cp 5 6 Random noise introduced ww haystack as wear progresses Introducing 810 Vibration MEN Orders Broadband noise level increases as bearing fails to carry load Excessive bearing temps Lubrication loss Vibration provides the earliest indicator of machine condition Vibration addresses all the moving parts of rotating equipment and can identify root cause Saves time by addressing problems earlier Saves money by reducing spare parts inventor
Download Pdf Manuals
Related Search