ML18025B852
| ML18025B852 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry, Sequoyah, 05000000 |
| Issue date: | 03/18/1982 |
| From: | Glauser J, Whitney R, Wright W PACIFIC SCIENTIFIC |
| To: | |
| Shared Package | |
| ML18025B853 | List: |
| References | |
| TR-839, TR-839-RA, TR-839-REV-A, NUDOCS 8208250383 | |
| Download: ML18025B852 (41) | |
Text
REPORT NO DATE 1801104-05 PSA 1/4 QUALIFICATION TESTING BERGEN PATTERSON C. F. BRAUN SPECIFICATION 400-20 TVA "STRIDE" FROM PaCIFIC 5CIEllTIFIC KIN-TECH DlVISlON PREPARED BY AP OE Y
. E. Glauser Test En ineer Director of Engineering W'. S. Wri ht Jr.
'C ef Dev lop ent Engineer
. A. Hadnagy Quality Control Manager
'0, RE V. DATE BY APPD. BY PAGES AFFECTED 3/18/80 Appendix 2 typographical 8208250383 820818 gjggAIORY DOREf FILE tlDPY PDR.ADOCK 05000259 P PDR PACIFIC SCIENTIFIC ~ KIN-TECH'IVISION 92803 DAIRYljK~H f1l.f SPY 1346 S. State College Blvd. Anaheim, Ca. (714) 774-6217
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REPORT NO. TR 839 PAGE E OF TABLE OF CONTENTS
~Pa e Administrative Data 3 Equipment List 4 Certification Testing 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 Oscillograms 11 18 Abnormal Environment Logs 19 20 Appendix
- 1. Initial Functional Test Data Sheets and Material Traceability Record
- 2. Spring Rate Calculations Enclosure
- l. Acceptance Test Procedure I.T. 527 Photographs
- l. Identification
- 2. Break-Away Friction Test Stand
- 3. Acceleration 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 1346 S. State Coltege Bivd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO. TR 839 I
PAGE > OF ADMINISTRATIVE DATA PURPOSE OF TEST To determine the ability of the 1801104-05 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 1801104-05 MODEL PSA 1/4 APPLICABLE DOCUMENTS C. F. Braun Specification 400-20 Rev. 5 PSCo Drawing 1801104-05 PSCo Qualification Test Procedure DR 1506 Rev. 3 PSCo Acceptance Test Procedure I.T. 527 Rev. R UANTITY OF ITEMS TESTED Two (2) P/N 1801104-05 Shock Arrestors S/N 10061 and 10062 were used for the test program. 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 16 November 1979 TEST CONDUCTED BY PACIFIC SCIENTIFIC COMPANY, KIN-TECH DIVISION, ARQKIM, CALIFORNIA SECURITY CLASSIFICATION OF ITEMS Unclassified PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-S217
E UIPMENT LIST CALIBRATION CALIBRATION TEST ~EUIPNENT TOLERANCE DATE PERIOD Col o) Dimensional Standard Micrometers (Data on file in quality Control Dept.)
Co 0 Examination Height Gages, etc.
Co O Breakaway Friction 1801 HF-1 Holding Fixture 0 + 1 lb.
Force 6 Lost Motion Spring Scale 5/21/79 6 months O
o A Dial Indicator - .001/Div. + 1/2 div. 5/21/79 6 months Vl PO tD 0ITl Acceleration/Load 1801104-TF-2 Fixture Meylan Digital Timer UJ
(
CL z Model 112 + .Ol sec. 9/24/79 3 months n
Dynamic Load M-B Electronic Vibrator Ql O Model ClOE I 0 Ormond Load Cell 3 Model L-25-6K, S/N 1131 + 0.5X 9/13/79 6 months O z ED I Tektronix Oscilloscope + 1X Daily CD ITI C. L. Collins Linear lO A Motion Transducer CO C)
CD X Model LMT 12911, S/N 19447 + 1X Daily U Omega Digital Thermometer Model 2175A M With Thermocouple + 9/5/79 1X 12 mths~
z0 Abnormal Environment B.T.C. Steam Chamber Q Ql - 2J M 0-100 PSI Pressure Gage + 1% 10/5/79 3 C
months c- 0 Omega Digital Thermometer Model 2175A With Thermocouple + 1X 9/5/79 12 0 months
REPORT NO. TR 839 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- with the approved test procedures.
8 Certified by
/y~'* Q H I 7y ~lg ~,
(g Quality Engineer State of California g,t, l Registration No. 1919 Zl - /PM PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPQRT gO TR 839 PAGE OF TESTING 1.0 Acce tance Tests The test units were examined and tested to the requirements of I.T. 527, enclosure 1. Photograph 1 identifies the test unitg. Photograp'h 2 shows the breakaway friction test stand. Photograph 3 shows the acceleration test fixture. The breakaway friction must not exceed 5 lbs. and the snubber must limit the acceleration to .02 g maximum
(.51 seconds for 1 inch travel). The calculations are as follows:
a 23 ~ 02 G 386t (.>>)
1.2 Procedure 1.2.1 Breakawa Friction The breakaway friction was measured vith the unit extending and retracting. The measurements vere 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 vith tension and compression loads.
e 1.3 Results Both snubbers met the requirements.
S/N Friction-Lbs. Acceleration (5 lbs. max.) (0.51 sec. min.)
Ext. Retr.
10061 3.0 lbs. 0.75 sec. 0.68 sec. 10062 2.5 lbs. 0. 69 0.70 Refer to Appendix 1 for actual data sheets I.T. 527, Page 4.
PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 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 839 QP 20 Rated load (350 lbs.) 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 photographs between 8 and 18 Hz. The average value shall be equal to or greater than 12 x 10 3 lbs./inch less 10%.
~
Spring Rate ~ Pull 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 10 thru 13 . 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. Refer to oscilloscope photos and Appendix 2.
S/N Lost Motion Inches Spring Rate Lbs/Inch
.040 inch max.) (10.88 X 10 ~ Lbs/Inch Min.)
3 10061 . 017 18.5 x 10 3
10062 ~ 026 18.35 x 10 PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
3.0 Abnormal Ambient Environment PAGE ~
REPORT NO. TR 839 OF 20 3.1 The shock arrestors at room ambient condition shall be placed in a chamber capable of maintaining pressure and temperature.'he chamber conditions shall then be adjusted to the Phase I Condition and then alloved to decay gradually through Phase II, III and IV 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 /> 330F, (+)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 hours (4) Phase -IV: 250F to lOOF, 0 to 15 psig, 100 percent relative hum-idity for 1 day (24 hours)
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 1/4 snubbers were placed in the Steam Chamber with units of other sizes. Refer to photograph 5. The chamber was sealed and a quantity of water was introduced into the chamber. Heat was applied to the chamber and the temperature was monitored with a thermocouple.
0 The chamber conditions vere ad)usted to 330 F and + 15 psig (Phase I).
The air was vented from the chamber which resulted in the units being sub)ected to "all steam". The temperature was maintained at 330 F 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 vas maintained of the temperature and pressure. Refer to pages 18 and 19.
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 />.
0 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-PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO. TR 839 PAGE 9 QF ber temperature vas ad)usted to between 250 0 F and 100 0 F while maintaining the pressure between 0 and 15 psig. (Phase IV). These conditions were 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 was then opened and the units were 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.
3.3 Results The exterior of the units displayed a darkening in color, but there vas no base metal corrosion. The friction and acceleration values 0
vere met at 200 F.
Friction lbs. 'cceleration S/N 5 lbs. max. (0.51 sec. min.)
Ext. Retr.
10061 3.5 lbs. 0. 66 0. 58 10062 3.0 lbs. 0. 64 0. 62 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 st:ep, 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 was placed around II the snubber which was installed in the load cycling fixture. Refer to Photograph 6.
4.3 Results The unit met the requirements. Refer to Pages 15 thru 18 for the load cycling photographs. The maximum lost motion during cycling was:
S/N 10061 .027 inch (8 Hz)
S/N 10062 .025 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'pplied during testing of Paragraph 2.0 and 4.0 shall be subtracted from 5,000 PACIFIC SCIENTIFIC ~ KIN-TECH DIYISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217 I
l,t and the remaining cycles shall be run at room temperature at rated
~
REPQRT NQ.
PAGE TR 839 OF 20 load and at 3 Hz.
5.2 Procedure The procedure details were the same as Paragraph 2.2, except all cycles were applied at 3 Hz. The cycles were run as follows:
~Ce lee
~Fre ueue S/N 10061 S/N 10062 3 33 Hz 75 F 1490 1415 3- 33 200 1530 2170 75 1980 1415 TOTAL 5000 5000 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. There was no failure or damage to the units.
S/N 10061 S/N 10062
- 1. Lost Motion .027 inch .025 inch
.040 inch-max.
- 2. Breakaway Friction 3.5 lbs. 3.0 lbs.
5 lbs. max.
Acceleration Test 0.58 sec. 0.62 sec.
0.51 sec.-min.
- 3. Dynamic Test Response (Refer to load-displacement photo-graphs)
- 4. Spring Constants 18.5 x 10 3 lbs/in. 18.35 xl03 lbs/in.
(12 x 10 ) - (1.2 x 10 )
3 3
~ 10.8 x 10 3 lbs/inch PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College 8lvd. Anaheim, Ca. 92803 (714) 774-5217
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REPORT NQ.
APPENDIX 1 INITIAL FUNCTIONAL TEST DATA SHEETS AND MATERIAL TRACEABILITY RECORD, I.T. 527 PAGES 4 AND 5.
TOTAL OF 4 PAGES PACIFIC SCIENTIFIC ~ KIN-TECH DIYISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
TR 839 APPENDIX 1 PAGE 6 OF 4 PAGES Rev. P ADDENDUM Final Inspection Check List PSCo 1801104 Shock Arrestor
/
Ref. paragraphs refer to paragraphs from this procedure, IT-527.
Part No. 1801104- C .> Serial No.
PSCo P.O. No. Date /0 7 Shop Order No. -/ ~ -(9$ ~h~ Customer I. Examination of Product (para. 5.1)
(a) Dimensional........ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ e e ~ ~ e e ~ ~ ~ ~ ~ ~ Ep (b) Workmanship........ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ e ~ ~ ~ ~ e ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Ep Functional Tests (para. 6. 0)
QPPK II . Breakaway Friction Force (5.0 lbs. max. or 6.5 ebs. max.)
(para. 6.1)..Actual 3 Travel (4.0 for -05)(2.5 for -07)(para. 6.2)............
IV. Acceleration Test (.51 sec. min./1.000 travel)(para. 6e3)
Extended . 7~
Retracted JP Lost Motion (.030 max.) (para. 6.4)................Actual~+
Os CGGQA Inspector Stamp~iDa e ~ e PACIFIC SCIENTIFIC, + KIN-TFCH DIVISION 1346 S. State Cc)liege Blvd. Anaheim, Ca. 92803 (714) 774-5217
TR 839 APPENDIX 1 PAGE < OF 4 PAGES Rev. P ADDENDUM Final Inspection Check List PSCo 1801104 Shock Arrestor Ref. paragraphs refer to paragraphs from this procedure, IT-527.
Part No. 1801104- D .> Serial No.
PSCo P.O. No. 2 Date /0 - P - '7 Shop Order No. -/ g~ -(B~h~ Customer Examination of Product (para. 5.1)
( a) Dimensional.............................
~ ~
~ ~ . ~ ~ .......
( b) Workmanship...........- .. -. <<. <<- .. ~ ... ~ ~ - ~ ~ . F
~ Functional Tests (para. 6.0)
II. Friction or 6.5 lbs. max.)
QP Breakaway Force (5.0 ibad max.
(para. 6 ') ~ .Actual III'ravel (4.0 for -05)(2.5 for -07)(para. 6e2) ~ ~ ~ ~ ~ .......
IV Acc.eleration Test (.51 sec. min./1.000 travel) (para. 6 ~ 31 Extended Retracted~@
V. Lost Motion ( ~ 030 max.)(para. 6 ') ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ .Actual~/ ~
Inspector Stamp p Da e PAClFIC SCIENTIFlC ~ KIN-TECH OlYtSION 1346 S. State GollePe Blvd. Anaheim, Ca. 92B03 (714) 774 52'l7
1 TR 839 AEPGET NO. ~~2 PAGE APPENDIX 1' Rev. P
(
~ PAGES XII, DIVISION I 1
ASIDE SECTION SUBSECTION NF MATERIALS TRACEABILITY TABUIATION 1
Psco P/N lb'Ol oV-D~
1 1 1H Owner/Agent Date E- 7l Ma teria1 Part No. Description Code Number Stamp 1801241 Inertia, Mass 1801242 Torque Carrier 1801244 Scree Shaft 1801247 Tube, Outer I Pir 1801250 Tube Inner ql3$ p Hut hssy.
1801533 1801530 Rod 6 Rods (2)
(1)
>9'%5p (2) 3P p) 1801531 Plu End g xeouoe KEY hNTI-ROTATION ic '-
1801252 Guide Plate 1801299 Hou~sin s tACtFiC SCIENTtRC COMPANY Aircrew Produele Oieaiort 1546 SOerth Stile COllCye IlOutCVard ~ Altiheie, CClitOrnia QEEI03 ~ Pli) TTi.52)T
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TR 839 REPORT NO. ~~2 PAGE OP APPENDIX l, Rev. P 4 PAGES
(
ASME SECTION III, DIVISION SUBSECTION NF E
NATERIALS TRACEABILITY TABUIATION PSCO PIN /SET/ OV 6+
Serial No. 42 Owner/Agent <Pt ~ 4 4P'@ah Date Material Part No. Description Code Number Stamp 1801241 Inertia, Mass 1801242 Torque Carrier 35p 1801244 Screw Shaft 1801247 Tube, Outer 1801250 Tube, Inner 1801533 Rod 6 Hut hssy.
1801530 Rods (2) 1801531 Plu End g; Xeouo3 KEY hNTI-ROTATION 1801252 Guide Plate 1801299 Hou~sin o, L JACtFiC SCtENTtRC COMPANY Aircraft ProdLrctR OiYiahn 1346 South State Cottege Boutevard ~ Areheiiri, Calitorriia 92b03 ~ ]T54) TTi 521T
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'EPORT, NO.
APPENDIX 2 SPRING RATE CALCULATIONS PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217
REPORT NO.
APPENDIX 2 PSA 1/4 SPRING RATE CALCULATIONS QA AVERAGE ALLGGAELE RATE 12 - 1.2 10.8 x 10 3
Lbs/Zneb Peak-Peak Dynamic Lost Temp o Freq. Load Disp1. Motion Spring Rate S/N F Hz Lbs. Inch Inch 1 x 10 Lbs/Inch 10061 75 8 735 . 048 . 015 22. 3 18 630 . 060 . 017 14.7 AVERAGE ~ 18.5 x 3
10 Lbs/Inch 10062 75 705 . 058 . 026 22. 0
. 18 589 .062 .022 14.7 AVERAGE < " 18.35 x 3
10 Lbs/Inch SAMPLE CALCULATION 735 Lbs.
ynami pring Rat I 22.3 x 10 Lbs/Inch
( 048 015 h)
PACIFIC SCIENTIFIC ~ KIN-TECH DIYISION 1346 S. State College Blvd. Anaheim, Ca. 92803 (714) 774-5217