ML18025B855
| ML18025B855 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry, Sequoyah, 05000000 |
| Issue date: | 12/12/1979 |
| From: | Glauser J, Whitney R, Wright W PACIFIC SCIENTIFIC |
| To: | |
| Shared Package | |
| ML18025B853 | List: |
| References | |
| TR-840, NUDOCS 8208250391 | |
| Download: ML18025B855 (45) | |
Text
0 REPORT NO.
TR 840 DATE 12 December 1979 1801104-07 PSA 1/2 QUALIFICATION TESTING BERGEN PATTERSON C. F.
BRAVN SPECIFICATION 400-20 XVA "STRIDE" FROM PB CIFIC SCI EllTlFIC KIN-TECH DIVISION P
P RED Y
APPROV D
ne n ineer E. Glauser Director of Engineering ht Jr.
Chief Develo ment En ineer
- REV, DATE BY APPD. BY PAGES AFFECTED P. A. Hadna Quality Control Manager 820825039i 8208i8 PDR ADOCK 05000259
,'P PDR PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
P \\
Ii I
tl
REPORT NO.
TR 840 PAGE 2
QF TABLE OF CONTENTS Administrative Data Equipment List 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 Oscillograms Abnormal Environment Logs
~Pa e
'3
.8 9
10 11-18 19-20 Appendix l.
Initial Functional Test Data Sheets and Material Traceability Record 2.
Spring Rate Calculations Enclosure l.
Acceptance Test Procedure I.T. 527 Photographs 1.
Identification 2.
Break-away Friction Test Stand 3.
Acceleration Test Stand 4.
5.
6.
Dynamic Load Cycling at Room Temperature Abnormal Environment Set-up Dynamic Load Cycling at 200 F PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State Colleqe Blvd.
Anaheim.
Ca.
92803 (7141 774-RP17
PAGE 3
OF ADMINISTRATIVEDATA PURPOSE OF TEST To determine the ability of the 1801104-07 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 1801104-07 MODEL PSA 1/2 APPLICABLE DOCUMENTS C. F. Braun Specification 400-20 Rev.
5 PSCo Drawing 1801104-07 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 1801104-07 Shock Arrestors S/N 4435 and 6461 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 17 November 1979 TEST CONDUCTED BY PACIFIC SCIENTIFIC COMPANYE KIN TECH DIVISIONF ANAHEIME 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 TEST
~EUIPEEET TOLERANCE CALIBRATION DATE 'ALIBRATION PERIOD Dimensional Examination Standard Micrometers Height Gages, etc.
(Data on file in Quality Control Dept.)
Gl 0)
CO CO tD O
O CD (O
(D W
C CL I
p O
Ql CO IQ 0)
C)
IUl tQ 4
02O M
Qfllz n
O z
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C V)0z Breakaway Friction Force
& Lost Motion Acceleration/Load Dynamic Load Abnormal Environment 1801 HF-1 Holding Fixture Spring Scale Dial Indicator.001/Div.
l 1801104-TF-2 Fixture Meylan Digital Timer Model 112 M-B Electronic Vibrator Model C10E Ormond Load Cell Model L-25-6K, S/N 1131 Tektronix Oscilloscope C. L. Collins Linear Motion Transducer Model LMT 12911, S/N 19447 Omega Digital Thermometer Model 2175A With Thermocouple B.T.C.
Steam Chamber 0-100 PSI Pressure Gage Omega Digital Thermometer Model 2175A With Thermocouple
+1 lb.
+ I/2 div.
+.01 sec.
+ 0.5X 9/24/79 3 months 9/13/79 6 months Daily Daily 9/5/79 10/5/79 12 months 3 months 0
37
>. m 9/5/79.
12 months z
5/21/79 6 months 5/21/79
=
6 months 0
REPORT NO.
TR 840 PAGE~
QP 20 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.
Certified by Quality Engineer State of California Registration No. 1919 sate 8 2 1
cFA PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
REPORT NO.
TR 840 PAGE 6
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 units.
Photograph 2 shows the breakaway friction test stand.
Photograph 3 shows the acceleration test fixture.
The breakaway friction must not exceed 6.5 lbs.
and the snubber must limit the accelera-tion to.02 g maximum (.51 seconds for 1 inch travel).
The cal-culations are as follows:
2S
~366t 2xl 386 x (.51)
.02 G
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/m Priction-Lbs.
(6,5 lbs. max.)
Acceleration (0.51 sec. min.)
4335 1.5 lbs.
Ext.
0.62 sec.
Rett.
0.57 sec. 6461 3.0 lbs.
- 0. 69 Refer to Appendix 1 for actual data sheets I.T. 527, Pa'ge 4.
- 0. 64 PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
~,
REPORT NO; TR 840 PAGE 7
OF 2.0 D
ic Load C clin Room Tem erature 2.1 Rated load (650 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 35 x 10 lbs./inch less 10X.
3 2.2 Procedure Spring Rate
~ Full Rated Load eak to eak
~ Total deflection less lost motion 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 ll thru 14.
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 the average spring rate on S/N 4335 was 31.3 x 10 Lbs/In. (31.5 required).
Refer to 3
Oscilloscope phot:os and Appendix 2.
Data Summar S/N 4335 6461 Lost Motion Inches
(.040 inch max.)
. 015
. 015 Average Spring Rate Lbs Inch 31.5 x 10 Lbs/Inch Min.
31.3 x 103, 34.0 x 103 PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
REPORT NO.
TR 840 PAGE OF
- 3. 0 Abnormal Ambient Environment The shock arrestors at room ambient condition shall be placed'n a
chamber capable of maintaining pressure and temperature.
The chamber conditions shall then be ad)usted to the Phase I Condition and then.
allowed to decay gradually thxough 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 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (4)
Phase IU:
250F to lOOF, 0 to 15 psig, 100 percent relative humidity for 1 day (24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />) 0 Following the steam test the unit shall be stabilized at 200 F and sub)ected to the breakaway friction and acceleration test.
3.2 Procedure The PSA 1/2 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 were 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 I
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 />.
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 chamber PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
fl
REPORT NO.
TR 840 PAGE 8
OF temperature was adjusted to between 250 F and 100 F while 0
0 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 vas 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 sub)ected to the breakavay 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 vere met at 200 F.
S/N Friction lbs.
6.5 lbs. max.
Acceleration 0.51 sec.
min.
'4335 6.5 lbs.
Ext.
- 0. 62 Retr.
- 0. 66 4.0 6461 3.0 lbs.
D ic Load clin at 200 F
- 0. 75
- 0. 66 4.1 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 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> before load cycling.
A temperature chamber was placed around the snubber vhich vas installed in the load cycling fixture.
Refer to Photograph 6.
4.3 Results The unft met the reguirements.
Refer to Pages 15 thru 18 for the load cycling photographs.
The maximum lost motion during'ycling was:
S/N 4335
.015 inch S/N 6461
.022 inch 5.0 Additional Load C clin Room Tem erature 5.1 s
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 PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803
{714) 774-5217
REPORT NO.
PAGE QF from 5,000 and the remaining cycles shall be run at room temperature at rated load and at 3 Hz.
5.2
~Fee csee 3 - 33 Hz 3-33 200 75 1415 1980 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:
Cycles S/N 4335 S/N 6461 75 F 1490 1415 41530 2170 5.3 TOTAL ~
5000 Cy 5000 Cy s
Results There was no failure.
Each snubber was in good condition after the test ~
6 ~ 0 Summer and Conclusion The shock arrestors met all requirements of the test program except the average Spring Rate on S/N 4335 was 31.3 x 10 Lbs/Inch (31.5 required).
There was no failure or damage to the units.
1.
Lost Motion
~ 040 inch-max.
S/N 4335
.015 inch S/N 6461
~ 022 inch 2.
Breakaway Friction 6.5 lbs.
max.
- 6. 5 lbs.
- 3. 0 lbs.
Acceleration Test 0.51 sec.-min.
3 ~
Dynamic Test Response 4 ~
Spring Constants (35 x 10 ) - (3.5 x 10 )
3 3
~* 31.5 x 10 lbs/inch 3
0.57 sec.
0.64 sec.
(Refer to load-displacement photographs) 31.3 x 10 lbs.in.
34.0 x 10 lbs/in.
3 3
PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
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$346 S, State College Blvd.
- Anaheim, Ca.
82803 (714) 774-5217
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- Anaheim, Ca.
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92803 (714) 774-52t7
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~ KIN-TECH DIVIS1ON i346 S. State College Blvd.
- Anaheim, Ca.
82803 (714) 774-5217
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- Anaheim, Ca.
92803 (714) 774-5217
REPORT NO.
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~ KIN-TECH DlYIStON 1346 S. State College Blvd.
- Anaheim, Ca.
92803
{714) 774-5217
REPORT NO.
TR 840 PAGE~
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~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
REPORT NO.
TR 840 APPENDIX 1 INITIALFUNCTIONAL TEST DATA SHEETS AND MATERIAL TRACEABILITYRECORD, I.T. 527 PAGES 4 AND 5.
TOTAL OF 4 PAGES PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
TR 840 APPENDIX 1 4 PAGES ADDENDUM PAGE a
OF Rev.
P Final Inspection Check List PSCo 1801104 Shock Arrestor Ref. paragraphs refer to paragraphs from this procedure, IT-527.
Part No.
1801104-5 PSCo P.O.
No.
Shop Order No. / da-Serial No.
. Date cL>
2 7 Customer er c,q r
et.
I.
Examination of Product (para.
5.1)
(a) Dxmenszonal......................
(b) Workmanship......................
~
Functional Tests (para.
- 6. 0)
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~ ~ ~ ~ ~ ~ ~ ~ ~ e
~ ~ ~ ~ ~ ~ ~ e ~
QPPK KI.
xv.
Breakaway Friction Force (5.0 lbs. max. or 6.5 lbs. max.)
(para. 6.1)..Actual
/ /~
Travel (4.0 for -05)(2.5 for -07)(para. 6.2)............
Acceleration Test
(.51 sec. min./1.000 travel)(para.
6.3)
Extended
.(o2-QK QGGA)
V.
Retracted Lost Motion (.030 max.)(para. 6.4)................Actual, 82 /
Inspector St,amp te PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1316 S. State Collage Blvd.
- Anahetm, Ca.
92803 (7t4) 774-5217
TR 840 APPENDIX 1 4 PAGES 2
PAGE GF Rev.
P ASME SECTION XIX, DIVISION I SUBSECTION NF MATERIALS TRACEABILITYTABULATION PSCO P/N 0
~
Serial No.
owner/Agent ep eh Vc.le peo Date ~~~
~W '7 'l Part No.
Des cription Material Code Number Stamp 1801241
- Inertia, Mass 1 801242 Torque Carrier 1801244 Screw Shaft z n 1801247 Tube, Outer 5P 1801250 Tube, Inner 1801533 Rod & Nut Assy.
1801530 1801531 Rods (2)
Plu End (1
(2)
C 6P
$ P 1801303 KEY ANTI-ROTATION C
6P 1801252 1801299 Cuide P1a te Hous in C
6P fACIFIC SCIEHTIFIC COMPAHY Airer4fl 'fgrOduef> OitthiOn uth Sthtt. Cafft.Oe SOuftvirff ~ Anaheim, CefitOrnii 92b03
~ P14) 774.5217
TR 840 APPENDIX 1.
4 PAGES ADDENDUM
~ppRT ~
IT-527 PAGE OF Rev.
P Final Inspection Check I.ist PSCo 1801104 Shock Arrestor Ref. paragraphs refer to paragraphs from this procedure, IT-S27.
Part No.
1801104- '?
PSCo P.O.
No.
Serial No.
Date 9" Q~
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646I Shop Order No. f-IVOR" t 0
Customer I. 'xamination of Product (para. 5el)
(a) Dxmens1onal........................................
(b) Vorkmanship..................
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Func tiona 1 Tests (para.
- 6. 0)
(
E5.0 lbs.
map or II.
Breakaway Friction Force (6.5 lbs. max.) (para. 6.1)Actual~
(If req'1.)
III. Travel (4.0 for -05) (2.5 for -07) (para. 6.2)............
g+
IU.
Acceleration Test (.51 sec.
min./1.000 trave1)(para.
6.3) zxt:
R et~
V.
Lost Motion (.030 max.)(para. 6.4)............... Actual
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Inspector Stamp 'te fpt;t~ 5CIENTtFIC COMPANY Airctaft PTodvcta IXYIake f~ Soir'tate CtHteye Soutevard
~ Anaheim. CatNomta 92b05 G pN) VT~52t7
,r r's
TR 840 APPENDIX 1 4 PAGES SEAPORT NO.
2 PAGE OF Rev.
P ASIDE SECTION III, DIVISION I SUBSECTION NF MATERIALS TRACEABILITYTABULATION DISCO P/N (P'<llO' 0~
Serial No.
Ql Owner/Agent W 7 < r~y n
'r-v8 -~-
Part No.
1801241 l80124 2 1801244 1801247 1801250 1801533 1801530 1801531 l801303'801252 1801299 prescription
- Inertia, Mass Torque Carrier Screw Shaft Tube, Outer Tube, Inner Rod
& Hot hssy.
Rods (2)
Plu End KEY hNTI-ROTATION Cuide P1ate Housin Mater.ial Code Number ll77-lmo-h
)
5'-
(1)
(2) glaO.A, Qt
~ Stamp FgP
~Sg)
~FF"Fi.
PPg)FC gglENTlFC COMPANY ANcraflPtod~h 5tvfLRN t~S South State Collapse boultvard ~ Atehoim, Catilpthfi Qggg 0 pflg) 774 +$7
REPORT NO.
T 840 APPENDIX 2 SPRING RATE CALCULATIONS PACIFIC SCIENTIFIC ~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
REPORT NO.
TR 840 APPENDIX 2 PSA 1/2 SPRING RATE CALCULATIONS AVERAGE ALLOWABLE RATE 35 3.5 31.5 x 10 Lbs/Inch 3
Temp.
Frey.
S/N F
Hz Peak>>Peak Dynamic Load Displ.
Lbs.
Inch Lost Motion Inch Spring Rate 1 x 10 Lbs/Inch 4335 75 8
18 1260 1215
. 048
.060
. 015
. 010 38.2 24.3 AVERAGE 31.3 x 10 lbs/Inch 3
6461 75 18 1220 1230
. 045
. 055
. 015
. 010
- 40. 7 27.3 AVERAGE 34.0 x 10 Lbs/Inch 3
SAMPLE CALCULATION Dynamic SprfnS Rate
( 048- 015 I h) 38.2 x 10 Lbs/Inch 1260 Lbs.
3
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PACIFIC SCIENTIFIC
~ KIN-TECH DIYISIQN 1346 S. State Coliege BIvd.
- Anaheim, Ca.
92803 (714) 774-5217