ML18025B856
| ML18025B856 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry, Sequoyah, 05000000 |
| Issue date: | 03/18/1980 |
| From: | Glauser J, Whitney R, Wright W PACIFIC SCIENTIFIC |
| To: | |
| Shared Package | |
| ML18025B853 | List: |
| References | |
| TR-841, TR-841-RA, TR-841-REV-A, NUDOCS 8208250402 | |
| Download: ML18025B856 (43) | |
Text
REPORT NO. TR 8'41 DATE 21 January 1980 1801102-05 PSA, 1 QUALIFICATIOH TESTING BERGEN PATTERSON C. F. BRAUN SPECIFICATION 400-20 TVA "STRIDE" FROM PB CI Fl C 5CIE l1TIFIt:
, KIN-TECH DIVISION PREPARED Y APPRO D
. Gla ser Director of Engineering e ln mene En ineer Quality Control Manager REV. DATE BY APPD. BY PAGES AFFECTED 3/18/80 4AA3 7,, Appendix 2 typographical
" 8208250402 8208l8 05000259
'r'PPDR ,ADQCK
. 'DR PACIFIC SCIENTIFIC e KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-52)7
0 REPORT NO. TR 841 PAGE 2 OF TABLE OF CONTENTS
~Pa e Administrative Data 3 Equipment List Certification Tes'ting 1.0 Acceptance Tests 2.0 Dynamic Load Cycling, Room Temperature 3.0 Abnormal Environment 4.0 Dynamic Load Cycling, 200 F 5~0 Additional Load Cycling 6~ 0 Summary and Conclusions 10 Oscillogxams 11 - 18 Abnormal Environment Logs 19 - 20 Appendix
- l. Initial Functional Test Data Sheets and Material Traceability Record 2~ Spring Rate Calculations Enclosure
- 1. Acceptance Test Procedure I.T. 519E Rev. T Photographs
- l. Identification
- 2. Break-Avay Friction Test Stand
- 3. Accelexation Test Stand 4~ Dynamic Load Cycling at Room Temperature 5~ Abnormal Environment Set-up 6~ Dynamic Load Cycling at 200 F PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1348 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO. TR 841 PAGE 3 OF ADMINISTRATIVE DATA PURPOSE OF TEST To determine the ability of the 1801102-05 Shock Arrestor to meet the Qualification Test requirements.
MANUFACTURER PACIFIC SCIENTIFIC COMPANY, KIN-TECH DIVISION,'1346 S. State College Boulevard, Anaheim, California.
MANUFACTURER'S TYPE OR MODEL NO.
P/N 1801102-05 MODEL PSA l APPLICABLE DOCUMENTS C. F. Braun Specification 400-20 Rev. 5 PSCo Drawing 1801101-05 PSCo Qualification Test Procedure DR 1506 Rev. 3 PSCo Acceptance Test Procedure I.T. 519 Rev.
UANTITY OF ITEMS TESTED Two (2) P/N 1801102-05 Shock Arrestors S/N 7707 and 7708 were used for the test pxogram. They were selected at random from a production lot.
The test units were built in accordance with ASME Boiler and Pressure Vessel Code Section III, Subsection NF. Summer 1977 Agenda and Code Case 1644-5. Each of the test units were sub)ected to all of the required tests.
TEST COMPLETION DATE 19 November 1979 TEST CONDUCTED BY PACIFIC SCIENTIFIC COMPANY, KIN-TECH DIVISION, ANAHEIM, CALIFORNIA SECURITY CLASSIFICATION OF ITEMS Unclassified PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
E UIPMENT LIST CALIBRATION CALIBRATION TEST ~EUIPUEEI TOLERANCE DATE PERIOD Ca7 Cb Dimensional Standard Micrometers (Data on file in Quality Control Dept.)
M 0 Examination Height Gages, etc.
Co O Breakaway Friction =
1801 HF-1 Holding Fixture n Force & Lost Motion Spring Scale + 1 lb. 5/21/79 6 months O O Dial Indicator .001/Div. + 1/2 div. 5/21/79 6 months O
e 0)
ED e 0 ill Acceleration/Load 1801 TF-2 Fixture Meylan Digital Timer M/112 + .01 Sec. 6/24/79 3 months cn
(
CL 2:
n O Dynamic Load M-B Electronic Vibrator Model C10E Ormond Load Cell Model L-25-6K, S/N 1131 + 0.5X 6/19/79 12 months A KI Tektronix Oscilloscope + 1X Daily EO fTl C. L. Collins Linear lO O Motion Transducer o
CEP x Model IÃZ 12911, S/N 19447 Daily CJ Omega Digital Thermometer Model 2175A CO With Thermocouple + lX 9/5/79 12 mths~
0 x
QI I Abnormal Environment B.T.C. Steam Chamber IO 0-100 PSZ Pressure Gage 10/5/79 3
'4 months c 0 Omega Digital Thermometer Model 2175A With Thermocouple + 1X 9/5/79 12 0 months
REPORT NO. TR 841 PAGE E "
OF CERTIFICATION I, the undersigned, being a registered Professional Engineer in the State of California, competent in the testing and evaluation of Mechanical Shock Arrestors, certify that this report truly and accurately presents results of tests performed in accordance Wth the approved test procedures.
GUESS(g . ~ Certified by Quality Engineer l
State of California Registration No. 1919 PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO. TR 841 PAGE OF TESTING 1.0 Acce tance Tests 1.1 The test units were examined and teated to the requirements of I.T. 519, enclosure l. Photograph 1 identifies the test units. Photograph 2 s
shows the breakaway friction test stand. Photograph 3 shows the acceleration test fixture. The breakaway friction must not exceed 15lbs. and the snubber must limit the acceleration to .02 g maximum
(.51 seconds for 1 inch travel). The calculations are as follows:
e 26 386t 1.2 ,
Procedure 1.2.1 Breakawa Friction The breakaway friction was measured with the unit extending and retracting. The measurements were made at mid position and approximately 1/2 inch away from the fully retracted and fully extended position.
- 1. 2. 2 Acceleration A constant load was applied to the snubber and the time required for the unit to 'travel 1 inch was recorded. The test was made with tension and compression loads.
1.3 Results Both snubbers met the requirements.
S/N Friction-Lbs. Acceleration (15 lbs. max.)
Ext. Rett.
7707 5.0 lbs. 0.71 sec. 0.69 sec. 7708 6.5 lbs. 0. 62 0. 6l Refer to Appendix 1 for actual data sheets I.T. 519> Page 5.
PACIFIC SCIENTIFIC o KIN-TECH D)VISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
2.0 D amic Load C clin Room Tem erature PAGE ~
REPORT NO. TR 841 OF 20 2.1 Re uirements Rated load (15001bs.) shall be applied for ten seconds at =each step in both tension and compression between 3 and 33 Hz in 5 Hz steps.
The lost motion during dynamic cycling shall not exceed .040 inch.
The unit spring rate shall be calculated from the load/deflection 2
photographs between 8 and 18 Hz. The average value shall be equal to or greater than ill x 10 3 lbs./inch lees 10K.
Spring Rate ~ Full Rated Load eak to eak Total deflection less lost motion
- 2. 2 Procedure The snubber was installed in an MTS load cycling machine and positioned to approximately mid-position of travel. A linear motion transducer was installed to measure unit travel or displacement. A load cell was in line with the unit centerline to measure axial load. Refer to set-up in Photograph 4. The displacement and axial load were monitored on an oscilloscope with the displacement on the vertical axis and the load on the horizontal axis. Refer to the photographs on. pages 11 thru 1 4 . The input motion was a displacement that varied as a sine wave which resulted in a load being developed in both tension and compression. Rated load was applied for 10 seconds at each of the seven frequency steps.
2~3 Results The unit met the requirements, except for Spring Rate which was 3
99 5 lt 98. 8 x 10 Lbs/Inch (99. 9 required) .
~ Refer to oscillo-scope photos and Appendix 2. Data Summer S/N Lost Motion - Inches Spring Rate Lbs/Inch
.040 inch max.) 99. 9 X 10> Lbs/Inch Min.)
7707 ~ 020 99.5 x 10 3 7708 .010 98.8 x 10 3 PACIFIC SCIENTIFIC ~ KIN-TECH DIYISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
3.0 Abnormal Ambient Environment PAGE ~
REPORT NO. TR QP 841 20 3.1 The shock arrestors at room ambient condition shall be placed in a chamber capable of maintaining pressure and temperature. The chamber conditions shall then be ad3usted to the Phase I Condition and then allowed to decay gradually through Phase II, III and $ V as outlined.
(1) Phase I: 330F, (-)2 to (+)15 psig, all steam for 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> 330FE (+)30 psig, all steam for 45 seconds (2) Phase II: 310F, (-)2 to (+)15 psig, all steam for 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> (3) Phase III: 250F, 0 to 15 psig, 100 percent relative humidity (RH) for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (4) Phase IV: 250F to 100F, 0 to 15 psig, 100 percent, relative hum-idity for 1 day (24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />)
Following the steam test the unit shall be stabilized at 200 0 F and sub)ected to the breakaway friction and acceleration test.
3.2 Procedure The PSA 1 1 snubbers were placed in the Steam Chamber with units of other sizes. Refer to photograph 5. The chamber was sealed and a uantity of water was introduced into the chamber. Heat was applied quan to the chamber and the temperature was monitored with a thexmocouple.
The chamber conditions were ad)usted to 330 F and + 15 psig (Phase I).
The air was vented from the chamber which resulted in the units being subjected to "all steam". The temperature was maintained at 330 F 0
minimum and the pressure was allowed to vary between 0 and 15 psig.
The superheated steam condition was obtained by draining water from the chamber in order to 'keep the pressure from increasing above 15 psig.
A log was maintained of the temperature and pressure. Refer"to pages 19 and 20.
After 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> the pressure was increased to 30 psig for 45 seconds by adding more water, and then reduced to the condition of Phase II and maintained for 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
The temperature was then allowed to drop to 250 F and the pressure was maintained between 0 and 15 psig, Phase III. After 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> the cham-PACIRC SCIENTIFIC ~ KIN-TECH, DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO. TR 841 PAGE R QF ber temperature was ad)usted to betveen 250 0 F and 100 0 F while maintaining the pressure betveen 0 and 15 psig. (Phase IV). These conditions vere held for another 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> period. The chamber vas then opened and the units vere visually examined. The snubbers were stabilized at 200 F for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and then subjected to the breakaway friction and acceleration tests.
3' Results The exterior of the units displayed a darkening in color, but there vas no base metal corrosion. The friction and acceleration values were met at 200 F.
Friction lbs. Acceleration S/N 0.51 sec. min.)
Ext. Rete 7707 12. 0 lbs. 0. 83 0. 79 7708 11.0 lbs. 0. 68 0. 67 4.0 D namic Load C clin at 200 F 4.
Same as Paragraph 2 1 except the unit shall be at 200 F. (10 seconds at each step, between 3 and 33 Hz in 5 Hz steps.)
4.2 Procedure 0
Same as Paragraph 2.2 except the unit shall be stabilized at 200 F for 2 hours before load cycling. A temperature chamber vas placed around the snubber vhich was installed in the load cycling fixture. Refer to Photograph 6.
4.3 Results e
The unit met the requirements. Refer to Pages 15 thru 18 for the load cycling photographs. The maximum lost motion during cycling vas:
S/N 7707 .020 inch (8 Hz)
S/N 7708 .012 inch (8 Hz) 5.0 Additional Load'C clin Room Tem erature A total of 5,000 cycles is required for each snubber. All cycles applied during testing of Paragraph 2.0 and 4.0 shall be subtracted from 5,000 PACIFIC SCIENTIFIC KIN-TECH DlYISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO. TR 841 PAGE lC OF and the remaining cycles shall be run at room temperature at rated load and at 3 Hz.
5.2 Procedure The procedure details vere the same as Paragraph 2.2, except all cycles vere applied at 3 Hz. The cycles were run as follows:
e
~Cclee
~Pre cecc />>
3 33 Hz 75 F 1960 1705 3-33 200 1260 1350 75 1780 1945 5000 Cy 5000 Cy
- 5. 3 Results There was no failure. Each snubber was in good condition after the test.
6.0 Summar and Conclusion The shock arrestors met all requirements of the test program except for Spring Rate vhich was 99.5 6 99.8 x 10 3 Lbs/Inch (99 ' Required).
There was no failure or damage to the units.
S/N 7707 S/N 7708
- 1. Lost Motion .020 Inch .012 Inch
. 040 inch-max.
- 2. Breakaway Priction 12.0 lbs. 11.0 lbs.
(15 lbs. max.)
Acceleration Test 0.69 sec. 0.61 sec.
0.51 sec.-min.
- 3. Dynamic Test Response (Refer to load-displacement photographs) 99.5 x 10 3 lbs/in. 98.8 x 10 3
- 4. Spring Constants lbs/in.
(ill x 10 3 ) - (1.1 x 10 3 )
99.9 x 10 3 lbs/inch PACIFIC SCIENTIFIC KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 {714) 774-5217
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REPORT NO. TR 841 APPENDIX 1 INITIAL FUNCTIONAL TEST DATA SHEETS AND MATERIAL TRACEABILITY RECORD, I T. 519 PAGES 5 AND 6 TOTAL OF 3 PAGES PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1348 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
V APPENDIX 1 TR 841 ADDENDUM'inal 3 PAGES PAGE Rev.
~
REPORT NO. IT-519 OF E Inspection Check List PSCo 18Qll02-+
Shock'Arrestor Ref. paragraphs refer to paragraphs from this procedure, I.T. 519 Part No. 0 - 05 Serial No.
PSCo P.O. No. ~ 4 WC + Date 75 Shop Order No./ -8 p'P - lpga 2 Customer I. Visual Examination (para. 5.1) i~
( a) Dimensional............................ ~ t ~ J 0 ~ 0 ~ ~ I ~ ~ t\ tpz (b) workmanship........................... ~ t 4 ~ ~ I ~ ~ ~ ~ ~ ~ ~
OP II. Final Functional Tests P000 (a) Proof Load (1500 lbs. ) (para. 6.1).....................~S (b) Breakaway Friction Force (15 5 ms 6.2)....
lbs. max.)(para.
(c) Torque Test (2 in./lbs.)..............Actual Torque Extending Retracting (If required)
Acceleration/Load Test (.51 sec. min./1.000 travel)
(para. 6.3.1.1)
Actual Time Extending ~ W/
Retractin<t (d) Lost Notion (.040 max.) (para. 6.4) .......... Actual G f /
Inspector I
EE. p W~ O.~
PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
TR 841 APPENDIX 1 3 PAGES ADDEN REPORT NO.
PAGE Rev. T
~ IT-519 OF 6 Inspection Check List DUl~i'inal PSCo 1801102-*
Shock Arrestor Ref. paragraphs refer to paragraphs from this procedure, I.T. 519 Part No.
PSCo P.O. No.
Shop Order No.
/-j'erial Date Customer No.
H4ce~
W7p I. Visual Examination (para. 5. 1)
(a) Dimensional.................. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
(b) Workmanship.................. o ~ ~ o o ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ o o ~ ~ ~ ~ ~ ~ ~ 'l7 OP II. Final Functional Tests (a) Proof Load (1500 lbs.)(para. 6 1) ~ ~ ~ ~ ~ o ~ ~ ~ ~ ~ ~ o ~ ~ ~ ~ o o ~ ~ o/R (b)
(c)
Breakatray Friction Force (15 lbs. max.)(para.
Torque Test (2 in./lbs.)..............Actual 6.z)....
~
Extending Retracting (If required) (.51 sec. min./1.000 travel)
Acceleration/Load Test (para. 6.3.1.1)
Actual Time Extending Retractina >
4 /
(d) Lost'otion (.040 max.)(para. 6.4)..........Actual Inspector S tamp~ii~ a te PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (7>4) 774-5217
TR 841 APPENDIX 1 FAGS~OF~
3 PAGES Rev. T-ASME SECTION SUBSECTION NF III, DIVISION I MATERIALS TRACEABILITY TABUI ATION PSCO P/Ã ~O/ 0~55 serial NG. /+$ 7 >70<
Owner/Agent l- ~ < p ~O ~
Date llaterial l Part No. Description Code Number Stamp:,
1801218 Drtsm Tore-ue 1801224 Inertia Mass /32) (FSF;,s r r~
SP 1801226 C linder,~SG GSD PSC Telescoping Grt'ylinder, 801227 "SP p ~
I 1801229 Plug, End Cylinder eSp l'S" 1801235 Nut, Bearing Retainer 2SP Pgt Rousin CSp 01282 C linder 1801283 Flange 1801287 . Ke Machine uMF P)>>
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Rpp0R T Np TR 841 PAGE OF APPENDIX 2 SPRING RATE CALCULATIONS PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO. TR 841 PAGE OF APPENDIX 2 PSA- 1 SPRING RATE CALCULATIONS I
AVERAGE ALLOWABLE RATE 111 1.11 ~ 99.9 x 10 3 Lbs/Inch Peak-Peak Dynamic Lost Temp Frey. Load Displ. Motion Spring Rate S/N OF Hz Lbs. Inch Inch 1 x 10 lbs/Inch 7707 75 2865 . 048 .020 102. 0 18 2910 . 040 . 010 97. 0 AVERAGE ~ 99.5 x 3
10 Lbs/Inch 7708 2790 . 040 . 012 99. 6 18 2940 . 040 .010 98. 0 AVERAGE ~ 98.8 x 10 Lbs/Inch SAMPLE CALCULATION 2865 Lbs 102 F 3 x 10 3 Lbs/Inch
~'
Dynamic Spring Rate ~
(.048-.020 inch)
PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217