1 ghi “ procat ” the lowest cost 8 channel analyzer tailored with all needed functions to...
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GHIGHI
““ProCATProCAT””
The Lowest Cost 8 Channel The Lowest Cost 8 Channel Analyzer Tailored With All Analyzer Tailored With All
Needed Functions To Increase Needed Functions To Increase Your 6DOF ProductivityYour 6DOF Productivity
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Subjects For Your ConsiderationSubjects For Your Consideration
The Basic Rules Of Defect PrecipitationThe Basic Rules Of Defect Precipitation
Why 6DOF Users Need Spectrum AnalyzersWhy 6DOF Users Need Spectrum Analyzers
Description Of ProCATDescription Of ProCAT
ProCAT’s Competitive AdvantagesProCAT’s Competitive Advantages
Lowest Priced 8 Channel AnalyzerLowest Priced 8 Channel Analyzer
Ease Of UseEase Of Use
Key FeaturesKey Features
The ProCAT ConfigurationsThe ProCAT Configurations
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Rules Of Defect PrecipitationRules Of Defect Precipitation
The following slides describe the Basic Rules ofdefect precipitation. The are the “Golden Rules”[1].
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#1 If You’re Not Stressing The #1 If You’re Not Stressing The Flaw, You’re Wasting Your Time.[1]Flaw, You’re Wasting Your Time.[1]
Basic Physics – Components Accumulate Fatigue Through Basic Physics – Components Accumulate Fatigue Through Vibration @ their self-resonant frequency FVibration @ their self-resonant frequency Frr.[2].[2]
Basic Screening Requirement – Accumulated Fatigue Must Basic Screening Requirement – Accumulated Fatigue Must Exceed Flaw Fatigue Limit @ FExceed Flaw Fatigue Limit @ Frr..
Input Energy MUST Match Flaw Susceptibility - Type, Rate, & Input Energy MUST Match Flaw Susceptibility - Type, Rate, & Resonant Frequency FResonant Frequency Frr. .
Input Energy Must Reach Potential Flaws To Make Them FailInput Energy Must Reach Potential Flaws To Make Them FailFlaws Not Under Critical Stress Have “Infinite Life”Flaws Not Under Critical Stress Have “Infinite Life”There is no Guarantee Input Energy Will Reach Flaw Sites – There is no Guarantee Input Energy Will Reach Flaw Sites – Job 1 is to Determine if it Does at an Input Energy That is Job 1 is to Determine if it Does at an Input Energy That is Above a Critical Level.Above a Critical Level.A Screen is Faster if Excitation is Uniform Since Fewer Steps at A Screen is Faster if Excitation is Uniform Since Fewer Steps at Increasing Stress Levels Will be Needed.Increasing Stress Levels Will be Needed.
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#2 “What You Don’t Know CAN #2 “What You Don’t Know CAN Ruin Your Screen”[1]Ruin Your Screen”[1]
Knowledge of Product Response is EssentialKnowledge of Product Response is Essential
Stress Transmission Paths to The Flaw Site Control Stress Transmission Paths to The Flaw Site Control Screening EffectivenessScreening Effectiveness
Thermal & Vibration Surveys are VALUE-ADDED Thermal & Vibration Surveys are VALUE-ADDED Development ToolsDevelopment Tools
Surveys Help Match PRODUCT RESPONSE With Surveys Help Match PRODUCT RESPONSE With INPUT ENERGY CharacteristicsINPUT ENERGY Characteristics
As a Rule, PRODUCT RESPONSE Spectrums MUST As a Rule, PRODUCT RESPONSE Spectrums MUST be ENVELOPED by the INPUT ENERGY Spectrumbe ENVELOPED by the INPUT ENERGY Spectrum
Survey Data Applies to More than One Product TypeSurvey Data Applies to More than One Product Type
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#3 “Mother Nature Always Sides With #3 “Mother Nature Always Sides With Physics”[1]Physics”[1]
Reasons Stress Characteristics Don’t Match Product Reasons Stress Characteristics Don’t Match Product Response:Response:
Test Machines Have Distinct LIMITATIONS Due to Test Machines Have Distinct LIMITATIONS Due to
Combinations of Two PrinciplesCombinations of Two Principles::– Thermal Change Rates TOO Slow or TOO Fast –Thermal Change Rates TOO Slow or TOO Fast –– Insufficient Thermal Stress at Flaw SitesInsufficient Thermal Stress at Flaw Sites– Vibration Holes or Spikes in Input Spectrum in Vibration Holes or Spikes in Input Spectrum in
Relation to Table/Fixture Position – Relation to Table/Fixture Position – – Too Little or Too Much Stress at Both Flaw and Non-Too Little or Too Much Stress at Both Flaw and Non-
Flaw SitesFlaw Sites
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#5 There Are NO Magic Facilities or #5 There Are NO Magic Facilities or Methodologies[1]Methodologies[1]
Facilities Can Only Accomplish What Physics AllowsFacilities Can Only Accomplish What Physics AllowsTechnical Knowledge Technical Knowledge IS STILL A NECESSARY IS STILL A NECESSARY COMMODITYCOMMODITYPhysics, Not Marketing, Determines Whether A Physics, Not Marketing, Determines Whether A Screening Chamber Can Provide Adequate StressScreening Chamber Can Provide Adequate StressIt’s NOT a Case of “Turn-it-on-and-trust-me.”It’s NOT a Case of “Turn-it-on-and-trust-me.”
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What Spectrum Analyzers DoWhat Spectrum Analyzers Do
Only Effective Means to Measure The ProcessOnly Effective Means to Measure The ProcessVerify If Hank’s Rules & Papoulis’ Law Are Met Verify If Hank’s Rules & Papoulis’ Law Are Met – In a Nut Shell, Since Fatigue Comes From Self Resonance, In a Nut Shell, Since Fatigue Comes From Self Resonance,
Determine If Product Resonances Are Sufficiently ExcitedDetermine If Product Resonances Are Sufficiently Excited– Help Identify Fixture Non-Uniformity of Transmission Help Identify Fixture Non-Uniformity of Transmission – Improve Screen Uniformity – Reduce Over And Under StressingImprove Screen Uniformity – Reduce Over And Under Stressing– Improve Your HALT/HASS Process, Increase EffectivenessImprove Your HALT/HASS Process, Increase Effectiveness– Determine Fatiguing Differences Between Facilities, Machines, Determine Fatiguing Differences Between Facilities, Machines,
Tables, Fixtures, and ProductsTables, Fixtures, and Products– Minimize $creen Time, Lower Co$t$Minimize $creen Time, Lower Co$t$
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Much To Learn From A PSD Much To Learn From A PSD This illustration, PSDs from two different tables shows different effectiveness
RED - More Power For Low Resonant Frequency ProductsBlue - More Power For High Resonant Frequency Products
Plot of power g2/Hz for band of frequencies to correlate with product fr frequencies..
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Description Of ProCATDescription Of ProCAT8 Parallel Channels w/BNC 8 Parallel Channels w/BNC Inputs Each With ICP Inputs Each With ICP Conditioning For Voltage ModeConditioning For Voltage ModePassive Fixed Cutoff AA FiltersPassive Fixed Cutoff AA FiltersFFT Math Uses PC ResourcesFFT Math Uses PC Resources32 KB Data Blocks Produce 16 K 32 KB Data Blocks Produce 16 K Line FFTs For 12.5 K Lines @ 0.7 Line FFTs For 12.5 K Lines @ 0.7 Hz Line Resolution PlotsHz Line Resolution PlotsStream To HD Mode For Post Stream To HD Mode For Post ProcessingProcessingEasy Windows ICON InterfaceEasy Windows ICON InterfaceSingle Click ControlSingle Click ControlWaveform Plots With gRMSWaveform Plots With gRMSPSD Plots With gRMSPSD Plots With gRMS
Single & Quad Spectral PlotsSingle & Quad Spectral PlotsPSD, FFT, Transfer Function PSD, FFT, Transfer Function with Coherence, & Fatigue with Coherence, & Fatigue Potential AnalysisPotential AnalysisSelectable AveragingSelectable AveragingSpectrum Zooms For Hi Res Spectrum Zooms For Hi Res PlotsPlotsInterchannel OverlaysInterchannel OverlaysSaved Spectral Signature Saved Spectral Signature Modes Track ChangesModes Track ChangesSave/Recall Spectrums From Save/Recall Spectrums From HDHDExports Spectrums in ASCII For Exports Spectrums in ASCII For EXCEL or Other 3EXCEL or Other 3rdrd Party Needs Party NeedsTower And Portable VersionsTower And Portable Versions
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ProCAT’s AdvantagesProCAT’s Advantages
Very Low Price Per ChannelVery Low Price Per Channel8 Parallel Conditioned Channels 8 Parallel Conditioned Channels Easy Operation - Zero Training Needed!Easy Operation - Zero Training Needed!12.5 KHz Bandwidth with 0.7Hz FFT Line Resolution12.5 KHz Bandwidth with 0.7Hz FFT Line ResolutionMultiple Successive Zooms And RestoresMultiple Successive Zooms And RestoresZoomed PSDs With Recomputed Narrowband gRMSZoomed PSDs With Recomputed Narrowband gRMSOnly Analyzer With Fatigue DP(f) FunctionOnly Analyzer With Fatigue DP(f) FunctionExports Data in EU’s Eliminating Converting Exports Data in EU’s Eliminating Converting Desktop And Portable VersionsDesktop And Portable VersionsSpecifically Tailored For HALT/HASS MachinesSpecifically Tailored For HALT/HASS Machines– Everything you need, Nothing you don’t!Everything you need, Nothing you don’t!
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Lowest Price/ChannelLowest Price/Channel
8 Ch in Desktop For Less Than $10K 8 Ch in Desktop For Less Than $10K Tailoring Makes A High Quality Analyzer Tailoring Makes A High Quality Analyzer AffordableAffordableNo Signal Conditioning To Buy For Voltage No Signal Conditioning To Buy For Voltage Mode ICP Sensors – (mV/g sensitivities)Mode ICP Sensors – (mV/g sensitivities)Also Compatible With Current Mode SensorsAlso Compatible With Current Mode SensorsIncludes 8 Ch Of Anti-Alias FiltersIncludes 8 Ch Of Anti-Alias Filters
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Easy To Use – Easy To LearnEasy To Use – Easy To Learn
WindowsWindows™ ™ Based – Menu DrivenBased – Menu DrivenJust Select A Desired Function And ClickJust Select A Desired Function And ClickPaint With Mouse For Zoom PlotsPaint With Mouse For Zoom PlotsSimple Setup Table With Default Selections For:Simple Setup Table With Default Selections For:– Number Of AveragesNumber Of Averages– Log - Log or Log - Linear PlotsLog - Log or Log - Linear Plots– Weighting Window TypesWeighting Window Types– Channels To Overlay – With Common Grid & Cursor Channels To Overlay – With Common Grid & Cursor
ReadoutReadout– Channels For Transfer Function AnalysisChannels For Transfer Function Analysis– Modes: Single Shot, Continuous, Or Streaming to Disk Modes: Single Shot, Continuous, Or Streaming to Disk – Sensor Attributes And Programmable Gain w/Auto Scale Re-Sensor Attributes And Programmable Gain w/Auto Scale Re-
Setting Setting
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The Easy Setup ScreenThe Easy Setup Screen
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Most Are Default Settings, But May Be Changed
Streaming To Disk Settings Display Available Space On Disk, Selections For Total Streaming Time Or Number Of Files.
Plot Modes, Weighting Windows, Averaging, And Sensor Calibration Values And Engineering Units Are Set From This Screen.
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Bandwidth/ResolutionBandwidth/Resolution
32 KB Data Block Produces 16 K Line FFT32 KB Data Block Produces 16 K Line FFTFFT Line Resolution = 0.7 Hz FFT Line Resolution = 0.7 Hz PSD, TF, DP(f) Frequency Resolution = 1.4 HzPSD, TF, DP(f) Frequency Resolution = 1.4 HzDisplay Bandwidth = 1 Hz to 12.5 KHzDisplay Bandwidth = 1 Hz to 12.5 KHz12.5 K Line Plots Zoomable Up To 25 Times For 12.5 K Line Plots Zoomable Up To 25 Times For High Resolution 512 Line BandsHigh Resolution 512 Line BandsZoomed Plots Are Auto scaledZoomed Plots Are Auto scaledUn-Zoomed Saved Files Are Zoomable After Un-Zoomed Saved Files Are Zoomable After RecallRecall
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Paint–To–Zoom PlotsPaint–To–Zoom Plots
Eliminates Need For Setup Changes For Eliminates Need For Setup Changes For Different Bandwidths or ResolutionDifferent Bandwidths or Resolution– Click And Drag - Paint Portion Of Spectrum To Any Desired Click And Drag - Paint Portion Of Spectrum To Any Desired
Display BandwidthDisplay Bandwidth– On Button Release – Painted Portion Fills ScreenOn Button Release – Painted Portion Fills Screen– Plot Axes Are Automatically RescaledPlot Axes Are Automatically Rescaled– New Narrowband gRMS Is DisplayedNew Narrowband gRMS Is Displayed
Operates on All Spectrums, Overlays, As Well Operates on All Spectrums, Overlays, As Well As Recalled Files & SignaturesAs Recalled Files & Signatures
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Special Modes/FunctionsSpecial Modes/Functions
Quad Overlay PlotsQuad Overlay Plots– Shows Before/After Spectrums From Four Sensor PositionsShows Before/After Spectrums From Four Sensor Positions
Signature Mode -Signature Mode - – Confirms Same Performance When Reproducing Test SetupsConfirms Same Performance When Reproducing Test Setups– Tracks Wear, Validates Equality Between Different Machines –Tracks Wear, Validates Equality Between Different Machines –
Tables or FixturesTables or Fixtures
Streaming Mode Streaming Mode --– Saves Long Term Environmental Data While AnalyzingSaves Long Term Environmental Data While Analyzing– Provides Post-Processing For Different Analysis After RecallProvides Post-Processing For Different Analysis After Recall– Records End Use Environments To Correlate EOL With Records End Use Environments To Correlate EOL With
HALT/HASS LevelsHALT/HASS Levels
ASCII Export -ASCII Export -– Output Spectral Data in Smoothed EXCEL Compatible FormatOutput Spectral Data in Smoothed EXCEL Compatible Format
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ProCAT’s Quad Plot ModeProCAT’s Quad Plot Mode
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Four Of Any Spectra on One Display
All With Active Cursors, Independent Zoom Expansions And Readouts
Each May be Overlaid With Old Data or Data From Different Channels
For PSD’s and Damage Potential Spectra
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ProCAT Transfer FunctionProCAT Transfer Function
Transfer Function is the difference, shown in spectral amplitude, between two input channels
One use is to show the transmission losses or gains through a fixture and at what frequencies
The Coherence plot at the bottom shows the phase relation between the input and output
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ProCAT’s Damage MetricProCAT’s Damage Metric
fRMS: #2 20.0 #2 65.9
: 209 65.9209 65.9
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This Overlay Shows Fatigue Magnitude As Mag2/Hz For Each Flaw fr
Frequency
Overlay Shows 2 Different Exposure Times, Different by Factor of 10
This is Seen in DP(f) Readout @ Same fr
fRMS Values Differ by Factor of Square Root of 10x Time Difference – 3.16
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Desktop System ConfigurationDesktop System Configuration
PCI Bus Cards, DAC and AA Filters Plus Sensor Conditioning
I/O Cables,
8 CH Input Box,
Auto-loading Software.
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Portable ProCAT ConfigurationPortable ProCAT ConfigurationSelf Contained NotebookBased System
Optional 12V DC Operation
Optional SCSI HD For Extended Recording Time And Archiving
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Example Of DP(f) UseExample Of DP(f) UseDP(f) spectrums were measured from two 6DOF DP(f) spectrums were measured from two 6DOF machines produced by the same manufacturer. machines produced by the same manufacturer. Both were running @ 10 gRMS.Both were running @ 10 gRMS.Sensors were located at front-left quadrant locations on Sensors were located at front-left quadrant locations on each table.each table.DP fRMS Indicated that machine #2 produced two times DP fRMS Indicated that machine #2 produced two times as much fatigue as machine #1, overall. as much fatigue as machine #1, overall. This suggests that screen time costs of machine #2 can This suggests that screen time costs of machine #2 can be 1/2 those of machine #1 for the same screen results, be 1/2 those of machine #1 for the same screen results, and also that unless exposure time compensation is and also that unless exposure time compensation is made, some products with critical fmade, some products with critical frr may have different may have different EOL.EOL.
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Machine # 1 vs Machine # 2Machine # 1 vs Machine # 2
From two similar machines, same table locations, @10 gRMS. Overall, #2 produces 2 times more fatigue than #1. At 508 Hz, #2 produces 386X more fatigue than #1.
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Why YOU Need ProCATWhy YOU Need ProCAT
Improve $creen Program Re$ults, Improve Improve $creen Program Re$ults, Improve Product Reliability, Cut $creening Costs, Vastly Product Reliability, Cut $creening Costs, Vastly Improve EOL Uniformity of Your Products. Improve EOL Uniformity of Your Products. This Leads to:This Leads to:– Your Firm’$ Enhanced Overall Image of Technical Your Firm’$ Enhanced Overall Image of Technical
$uperiority, Increa$ed Product Reputation, $uperiority, Increa$ed Product Reputation, – Your Increased Personal Stature By Improving Your Your Increased Personal Stature By Improving Your
$creening Program’s Results $creening Program’s Results
Add Your Name To The Growing List Of $atisfied Add Your Name To The Growing List Of $atisfied Customers Customers – Users Include: QualMark, Dell, DTI, Whirlpool, Seagate, PierceUsers Include: QualMark, Dell, DTI, Whirlpool, Seagate, Pierce
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ReferencesReferences
1. Caruso, H., “The Golden Rules of Successful ESS,” 1st U. Of Maryland/GHI Systems Workshop for Repetitive Shock (RS) Machine Users, University of Maryland, 22 March 1995, Edited By Henderson, G.
2. Papoulis Law of Gaussianity Rome AFB.3. Svensson, T., and Torstensson, H.. 1993, “Utilization of Fatigue Damage Response
Spectrum in the Evaluation of Transport Stresses,” 1993 Proceedings, IES, Vol 2., pp. 191-194.
4. Henderson, G., and Piersol, A.G., “Fatigue Damage Related Descriptor for Random Vibration Test Environments,” Sound and Vibration, October, 1995, pp. 20-24.
5. Connon, S. “Methods of Combination of Spectra- Fatigue Damage Spectrum Method,” August 2002, IEST Meeting, Phoenix, AZ
6. Anon, Qualmark Sales Meeting, November, 2003, Denver, CO.
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Thanks For Looking At Thanks For Looking At ProCATProCAT
[email protected]@GHISYS.COM
310-548-6544310-548-6544
800-GHI-SYST800-GHI-SYST
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