Sample Vibration Analysis Report
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Sample Predictive Maintenance Report Vibration Analysis
12857 E. Independence Blvd., Suite F Matthews, North Carolina 28105 800-532-0415 www.ISIservesYOU.com
Vibration Analysis Priority Criteria Repair Priority
Causal Events or Scenarios
PRIORITY 1
PRIORITY 2
PRIORITY 3
Serious or advanced anomaly noted; i.e., broken gear tooth or advanced bearing defect, or Rapid upward vibration trend indicative of increased degradation; failure may be imminent, or Any defect noted on an extremely critical or safety-related piece of equipment, or Vibration levels far above industry norm for a particular component. Recommended repairs to be instituted in a timely fashion or at next earliest opportunity. If equipment should be immediately secured, customer will be informed prior to departure from site.
Any Priority 3 anomalies which have begun to gradually trend upwards, or Initial detection of most bearing defects with no prior machine history, or Any defect noted which, left unattended, will result in further cumulative damage to a machine; i.e., coupling misalignment resulting in bearing damage. Recommended repairs to be completed during the next available outage period, if not sooner. Continued operation as a Priority 2 may result in the machine degrading to Priority 1 condition.
Initial detection of a minor anomaly, or Initial data collection following corrective maintenance (status update), or Any Priority 2 faults which have been re-evaluated as not trending upwards and not a long-term reliability threat. Recommended repairs to be performed at a convenient time, unless otherwise specified.
Note: ISI Vibration Analysts reserve the right to deviate from the above guidelines based on analyst’s experience, statistical data, or industry “best-practices.”
© All rights reserved. Written permission should first be obtained through Instrumentation Services, Inc., prior to any reproduction or transmission of this document in any form by any means, electronic, mechanical, photocopying or otherwise.
Executive Summary for Vibration Analysis September 25, 2007 Equipment Chill Water Pump (E) Chill Water Pump (W) Chill Water Pump (M) C.T. Pump (NE) C.T. Pump (NW) C.T. Pump (NM) C.T. Pump (SE) C.T. Pump (SW) C.T. Fan (NE) C.T. Fan (NW) C.T. Fan (SE) C.T. Fan (SW) DA Pump (N) DA Pump (S) Electric Chiller Drive (E) K-1 Vacuum Pump K-2 Vacuum Pump K-3 Vacuum Pump K-1 Agitator K-2 Agitator K-3 Agitator T-1 Mixer Base Absorber Pump (N) Base Absorber Pump (S) ABS Heat Exchanger Pump Methanol Pump (N) Methanol Pump (S) HCHO Transfer Pump HCHO Charge Pump #1 HCHO Charge Pump #2 Resin Oxidizer Fan HCHO Oxidizer Fan Blower 150 A Blower 150 B Blower 300 A Blower 300 B Blower 700 A Blower 700 B HCHO Agitator #1 HCHO Agitator #2 HCHO Agitator #3 HCHO Agitator #4 HCHO Agitator #5 HCHO Agitator #6 HCHO Agitator #7 HCHO Agitator #8 HCHO Agitator #9 HCHO Agitator #10
Problem Description
Priority
08-07
07-07
06-07
OOS
OOS
OOS
OOS
OOS
OOS
OOS access
2
OOS OOS
OOS
OOS
Possible loose motor shaft component.
3 OOS
Process issue.
OOS 1 OOS
1 2
Structural damage. Defective motor.
2 1
1
OOS 2
OOS OOS OOS OOS
OOS OOS OOS OOS
OOS OOS OOS OOS
OOS OOS OOS OOS
OOS OOS
2 OOS OOS OOS Possible gear wear.
2
Defective gearbox component
2
Gearbox bearing lube.
2
Copyright 2007 Instrumentation Services, Inc.
2
2 OOS OOS
OOS 2
Remarks Tested OK Tested OK Tested OK Tested OK Out of service Tested OK Tested OK Tested OK Out of service Tested OK Tested OK slight trend Tested OK Tested OK Tested OK Tested OK Tested OK Out of service spike Out of service Trend improved upward trend Tested OK Tested OK Tested OK Out of service Out of service Out of service Out of service Tested OK Tested OK Tested OK Out of service Tested OK Tested OK Tested OK Tested OK Trend improved Tested OK Tested OK Tested OK erratic trend Tested OK erratic trend Tested OK Tested OK erratic trend
Vibration Analysis
ABC Company 123 Street Anywhere, USA Phone Fax
Equipment Name Base Absorber Pump (N)
Priority 1
Equipment ID Base Absorber Pump (N) Location Description Horizontal induction motor direct coupled to an overhung
Horsepower 20 Voltage 480
centrifugal pump
RPM 1755
Primary Problem: Defective motor.
Detailed Problem Description: Prior analysis had identified loose bolts on the pump that resulted in a jump in vibration levels. Feedback indicates these bolts have been tightened and the pump has been aligned, resulting in a drop in pump vibration levels. However, overall vibration readings are continuing to increase on the motor and are indicative of a defect with the motor, possibly electrical. Current readings are above alarm levels.
Recommended Action: Recommend replacing the motor and performing a laser alignment and softfoot check. Provide feedback to ISI.
Vibration Analysis History: Date
Priority
Description
8/29/2007
1
Loose pump bolts.
7/24/2007
2
Motor electrical fault.
2/21/2007
3
Vibration level reduction.
Analyzed By: Frank Vereb
Page 1
Copyright 2007 Instrumentation Services, Inc.
Tuesday, September 25, 2007
PK Velocity in In/Sec
PK Velocity in In/Sec
Acceleration in G-s
0
0
0
1.5 1.0 0.5 0 -0.5 -1.0 -1.5 -2.0
0
0.1
0.2
0.3
0.4
0.5
0
0.1
0.2
0.3
0.4
0.6 0.5
3
500
300
Copyright 2007 Instrumentation Services, Inc.
6 Revolution Number
1000 Frequency in Hz
600 Days: 20-Jul-04 To 25-Sep-07
FAULT
RES - Base Absorber Pump (North) BASE-NORTH-MIA Motor Inboard Axial
9
1500
900
12
Date: 25-Sep-07 Time: 13:15:56 Ampl: .460
Route Waveform 25-Sep-07 13:15:59 RMS = .4509 PK(+/-) = 1.80/1.78 CRESTF= 3.99
2000
Route Spectrum 25-Sep-07 13:15:59 OVERALL= .4603 V-AN PK = .4555 LOAD = 100.0 RPM = 1757. (29.28 Hz)
1200
Trend Display Overall Value
ABC Company 123 Street Anywhere, USA Phone Fax
Vibration Analysis
Equipment Name K1 Agitator
Priority 1
Equipment ID K1 Agitator Location Covered Process Description Vertical induction motor direct coupled to a planetary gearbox
Horsepower 50 Voltage 480 RPM 1765
Primary Problem: Process problem.
Detailed Problem Description: Vibration levels have decreased since the last service call, but remain well above alarm levels. Although no feedback has been received on this matter, ISI assumes that there is still a process problem that is affecting the operation of the agitator.
Recommended Action: Correct the problem with the process ASAP to alleviate the excessive vibration levels. Provide feedback to ISI.
Vibration Analysis History: Date 8/29/2007
Priority 1
Analyzed By: Frank Vereb
Description Process problem.
Page 2
Copyright 2007 Instrumentation Services, Inc.
Tuesday, September 25, 2007
PK Velocity in In/Sec
PK Velocity in In/Sec
Acceleration in G-s
0
0
0
-0.6
-0.3
0
0.3
0.6
0
0.3
0.6
0.9
1.2
1.5
0
0.5
1.0
1.5
2.0
2.5
200
3
500
Copyright 2007 Instrumentation Services, Inc.
6 Revolution Number
1000 Frequency in Hz
400 600 Days: 15-Feb-05 To 25-Sep-07
FAULT
9
1500
RES - K-1 Agitator K1-AGITATR-MIH Motor Inboard Horizontal
800
12
Date: 25-Sep-07 Time: 11:26:57 Ampl: .742
Route Waveform 25-Sep-07 11:26:57 RMS = .1359 PK(+/-) = .4760/.4536 CRESTF= 3.50
2000
Route Spectrum 25-Sep-07 11:26:57 OVERALL= .7417 V-AN PK = 1.26 LOAD = 100.0 RPM = 1765. (29.42 Hz)
1000
Trend Display Overall Value
ABC Company 123 Street Anywhere, USA Phone Fax
Vibration Analysis
Equipment Name HCHO Agitator #10
Priority 2
Equipment ID F-10 Location Covered Process Description Horizontal induction motor direct coupled to a angle gearbox
Horsepower 1.5 Voltage 480 RPM 1750
Primary Problem: Gearbox bearing lube issue.
Detailed Problem Description: Feedback from the field indicates this gearbox sounds as if it is running a little dry on lubrication. A review of trend data shows an erratic increase in the amount of friction occurring on the output shaft bearing. Suspect either a lack of oil in the gearbox or the output shaft bearing needs greased.
Recommended Action: Recommend checking the lube in the gearbox and grease the output shaft bearing. Provide feedback to ISI.
Vibration Analysis History: Date
Priority
Description
10/19/2005
3
Vibration decrease.
9/23/2005
1
Drive defect worsening.
8/18/2005
2
Possible gearbox defect.
Analyzed By: Frank Vereb
Page 3
Copyright 2007 Instrumentation Services, Inc.
Tuesday, September 25, 2007
Pk-Pk Waveform in G-s
RMS Acc in G-s
Acceleration in G-s
0
0
0
3
6
9
12
0
0.2
0.4
0.6
0.8
1.0
0
0
3
6
9
12
20
4
400
Frequency in Hz
60
Copyright 2007 Instrumentation Services, Inc.
8 Revolution Number
40
800 Days: 08-Jun-04 To 25-Sep-07
FAULT
12
1200
RES - HCHO Agitator #10 HCHO-10 -G3P Low Speed Inboard Horz Peakvue
80
16
Date: 25-Sep-07 Time: 13:59:03 Ampl: 10.56
Route Waveform 25-Sep-07 13:58:57 (PkVue-HP 1000 Hz) RMS = 3.31 PK(+) = 10.54 CRESTF= 3.18 DCoff = 0.0
100
Route Spectrum 25-Sep-07 13:58:57 (PkVue-HP 1000 Hz) OVERALL= 1.98 A-AN RMS = 1.22 LOAD = 100.0 RPM = 59. (.99 Hz)
1600
Trend Display PK-PK WAVEFORM
ABC Company 123 Street Anywhere, USA Phone Fax
Vibration Analysis
Equipment Name HCHO Agitator #7
Priority 2
Equipment ID F-7 Location Covered Process Description Horizontal induction motor direct coupled to a angle gearbox
Horsepower 1.5 Voltage 480 RPM 1750
Primary Problem: Defective gearbox internals.
Detailed Problem Description: As previously reported, levels of impacting on the gearbox and motor are erratic and continuing to trend up. Suspect the cause may be due to damaged gearbox internals. Levels are well above alarm levels.
Recommended Action: Recommend drawing a hot 3 ounce oil sample from the gearbox to verify damage is occurring and standby to replace the gearbox. Provide feedback to ISI.
Vibration Analysis History: Date
Priority
Description
8/29/2007
2
Defective gearbox internals.
7/24/2007
2
Defective gearbox internals.
6/27/2007
2
Defective gearbox internals.
Analyzed By: Frank Vereb
Page 4
Copyright 2007 Instrumentation Services, Inc.
Tuesday, September 25, 2007
Pk-Pk Waveform in G-s
Acceleration in G-s
PK Velocity in In/Sec
0
0
-10
-5
0
5
10
0
0.008
0.016
0.024
0.032
0
0
5
10
15
20
3
500
400
FAULT
Copyright 2007 Instrumentation Services, Inc.
6 Revolution Number
1000 Frequency in Hz
800 Days: 08-Jun-04 To 25-Sep-07
HCHO-7
9
1500
1200
RES - HCHO Agitator #7 -G2V High Speed Outboard Vertical
12
Date: 25-Sep-07 Time: 13:46:38 Ampl: 16.50
Route Waveform 25-Sep-07 13:46:48 RMS = 2.13 PK(+/-) = 8.89/7.70 CRESTF= 4.17
2000
Route Spectrum 25-Sep-07 13:46:48 OVERALL= .1043 V-AN PK = .0766 LOAD = 100.0 RPM = 1766. (29.43 Hz)
1600
Trend Display PK-PK WAVEFORM
ABC Company 123 Street Anywhere, USA Phone Fax
Vibration Analysis
Equipment Name HCHO Agitator #5
Priority 2
Equipment ID F-5 Location Covered Process Description Horizontal induction motor direct coupled to a angle gearbox
Horsepower 1.5 Voltage 480 RPM 1750
Primary Problem: Possible gear wear.
Detailed Problem Description: Feedback from the field indicates this gearbox sounds slightly rougher than the others. A review of trend data indicates an erratic increase on some of the gearbox test points that appears to be consistent with gear wear.
Recommended Action: Recommend drawing a hot oil sample from the gearbox to confirm the fault and the severity. Standby to replace this gearbox should the trend continue.
Vibration Analysis History: Date
Priority
Description
10/19/2005
3
Vibration level decrease.
12/21/2004
2
Motor and gearbox lube.
8/25/2004
2
Motor and reducer defects.
Analyzed By: Frank Vereb
Page 5
Copyright 2007 Instrumentation Services, Inc.
Tuesday, September 25, 2007
PK Velocity in In/Sec
PK Velocity in In/Sec
Acceleration in G-s
0
0
0
0.3 0.2 0.1 0.0 -0.1 -0.2 -0.3 -0.4
0
0.03
0.06
0.09
0.12
0.15
0
0.05
0.10
0.15
0.20
20
4
400
FAULT
Frequency in Hz
60
Copyright 2007 Instrumentation Services, Inc.
8 Revolution Number
40
800 Days: 08-Jun-04 To 25-Sep-07
HCHO-5
12
1200
RES - HCHO Agitator #5 -G3H Low Speed Inboard Horizontal
80
16
Date: 25-Sep-07 Time: 13:38:47 Ampl: .175
Route Waveform 25-Sep-07 13:38:49 RMS = .0835 PK(+/-) = .3228/.2847 CRESTF= 3.87
100
Route Spectrum 25-Sep-07 13:38:49 (SST-Corrected) OVERALL= .1746 V-AN PK = .2038 LOAD = 100.0 RPM = 59. (.98 Hz)
1600
Trend Display Overall Value
Vibration Analysis ABC Company 123 Street Anywhere, USA Phone Fax Equipment Name T1 Mixer
Priority 2
Equipment ID T1 Mixer Location Covered Process Description Vertical induction motor belt-coupled to a vertical mixer shaft
Horsepower 300 Voltage 480 RPM 1185
Primary Problem: Structural damage.
Detailed Problem Description: Feedback from the field indicates cracks are appearing in the center post that meets the top cross member between the motor and mixer shafts. There also appears to be a large horizontal vibration that may be a contributing factor to the damage.
Recommended Action: Investigate the structural damage and make repairs as necessary. Also, determine the reason for the excessive rocking of the structure and provide feedback to ISI.
Vibration Analysis History: Date 6/13/2006
Priority
Description
2
Possible mixer imbalance.
Analyzed By: Frank Vereb
Page 6
Copyright 2007 Instrumentation Services, Inc.
Tuesday, September 25, 2007
PK Velocity in In/Sec
PK Velocity in In/Sec
Acceleration in G-s
0
0
-0.8
-0.4
0
0.4
0.8
0
0.06
0.12
0.18
0.24
0.30
680
0.21
0.24
0.27
0.30
0.33
0.36
0.39
720
300
4
760
Copyright 2007 Instrumentation Services, Inc.
8 Revolution Number
600 900 Frequency in Hz
800 840 880 Days: 11-Jan-05 To 25-Sep-07
FAULT
12
920
RES - T-1 Agitator T1-AGITATR-MOH Motor Outboard Horizontal
1200
960
16
Date: 25-Sep-07 Time: 14:04:06 Ampl: .390
Route Waveform 25-Sep-07 14:04:09 RMS = .1683 PK(+/-) = .5898/.6040 CRESTF= 3.59
1500
Route Spectrum 25-Sep-07 14:04:09 OVERALL= .3898 V-AN PK = .2541 LOAD = 100.0 RPM = 1199. (19.99 Hz)
1000
Trend Display Overall Value
ABC Company 123 Street Anywhere, USA Phone Fax
Vibration Analysis
Equipment Name Cooling Tower Fan (SW)
Priority 3
Equipment ID Cooling Tower Fan (SW) Location Description Horizontal induction motor direct coupled to a reducer
Horsepower 100 Voltage 480 RPM 1770
Primary Problem: Possible loose motor shaft component.
Detailed Problem Description: Feedback from the field indicates this motor sounds "rough." A review of trend data indicates a slight upward trend and the possibility of a loose motor shaft component. This would be consistent with the noise being heard from the motor.
Recommended Action: Recommend checking the motor shaft for excessive endplay using a dial indicator and inspect for loose or worn shaft components.
Vibration Analysis History: Date
Priority
Description
11/28/2006
3
Vibration level reduction.
10/27/2006
1
Defective reducer.
9/27/2006
1
Defective reducer.
Analyzed By: Frank Vereb
Page 7
Copyright 2007 Instrumentation Services, Inc.
Tuesday, September 25, 2007
Acceleration in G-s
PK Velocity in In/Sec
PK Velocity in In/Sec
0
0
3 2 1 0 -1 -2 -3 -4
0
0.02
0.04
0.06
0.08
0.10
800
0.08
0.12
0.16
0.20
0.24
0.32 0.28
880
3
500
Copyright 2007 Instrumentation Services, Inc.
6 Revolution Number
1000 Frequency in Hz
960 1040 1120 Days: 08-Jun-04 To 25-Sep-07
FAULT
9
1500
RES - Southwest CT Fan CTFAN-SW -MIH Motor Inboard Horizontal
1200
12
Date: 25-Sep-07 Time: 12:23:54 Ampl: .203
Route Waveform 25-Sep-07 12:23:55 RMS = .8487 PK(+/-) = 3.33/3.53 CRESTF= 4.15
2000
Route Spectrum 25-Sep-07 12:23:55 OVERALL= .2028 V-AN PK = .1829 LOAD = 100.0 RPM = 1800. (29.99 Hz)
1280
Trend Display Overall Value
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