ML18025B867
| ML18025B867 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry, Sequoyah, 05000000 |
| Issue date: | 05/12/1980 |
| From: | Glauser J, Whitney R, Wright W PACIFIC SCIENTIFIC |
| To: | |
| Shared Package | |
| ML18025B853 | List: |
| References | |
| TR-846, NUDOCS 8208250443 | |
| Download: ML18025B867 (53) | |
Text
REPORT NO TR 846 pATE 12 Ma 1980 1801119-11 PSA-100 QUALIFICATION TESTING BERGEN PATTERSON C. F.
BRAUN SPECIFICATION 400-20 TVA "'STRIDE" FROM PcBClFIC 5CiEflTlFIC KIN-TECH DIVISION PRE R
D Y
APPRO P
Y R. F. Whitney Test Engineer J.
E. Gl user Director of Engineering tD Q.
J5B W. S. Wri ht, Jr Ch'e De e opment Engineer RE V.
DATE BY APPD, BY PAGES AFFECTED
. A. Hadn Quality Control Managex
~pgppp25~
8208i8.
25PPQ 82o DOO~
<D PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION
REPORT NO.
TR 846
~AGF 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 Oscillogram Load vs Travel Abnormal Environment Logs Appendix
- l. Initial Functional Test Data Sheets and Material Traceability Record 2.
Spring Rate Calculations Enclosure l.
Acceptance Test Procedure I.T. 533 Photographs 1.
Identification 2.
Functional Test Stand 3.
Dynamic Load Cycling at Room Temperature 4.
Abnormal Environment Set-up 5.
Dynamic Load Cycling at 200 F.
0 Pacae 3
4 loll 22 23 - 24 PACIRC SCIENTIFIC ~ KIN-TECH DIYISION 4l 77d-6917
REPORT NO.
TR 846 PAGE 3
OF 24 ADMINISTRATIVEDATA PURPOSE OF TEST To determine the ability of the 1801119-11 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 1801119-11 MODEL PSA 100 APPLICABLE DOCUMENTS C. F. Braun Specification 400-20 Rev.
5 PSCo Drawing 1801119-11 PSCo Qualification Test Procedure DR 1506 Rev.
3 PSCo Acceptance Test Procedure I.T. 533 Rev.
H QUANTITY OF ITEMS TESTED Two (2) P/N 1801119-11 Shock Arrestors S/N 709 and 710 were used for the test program.
They were selected at random from a pro-duction lot.
The test units were built in accordance with ASME Boiler and Pressure Vessel Code Section III, Subsection NF.
Sum-mer 1977 Agenda and Code Case 1644-5.
Each of the test units were subjected to all of the required tests.
TEST COMPLETION DATE 25 April 1980 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
0
TEST Dimensional Examination EQUIPMENT ST Standard Micrometers Height Gages, etc.
CALIBRATION CALIBRATION TOLERANCE DATE PERIOD (Data on file in Quality Control Dept.)
Acceleration/Load Breakaway Friction Force Lost Motion 1801-TF-2 Fixture Meylan-Digital Timer Model 112 1801-TF-2 Fixture Pressure Gauge Dial Indicator -.001/Div.
+.Ol sec.
1/24/79
+
1%
4/11/80
+ 1/2 div.
11/21/79 4 months 3 months 6 months 0
lTlz 2O Dynamic Load Mts. Load Cycling Machine Model 311.31 S/N 416 Lebow Load Cell Model 661.023A-02 S/N 999 C. L. Collins Linear Motion Transducer Model LMT 12911, S/N 19447
+ 0.5%
6/19/79 12 months Daily 3
O X I
ITl Ox U
M0K Omega Digital Thermometer Model 2175A With Thermocouple Abnormal Environment B.T.C. Steam Chamber 0-100 PSI Pressure Gage Omega Digital Thermometer Model 2175A With Thermocouple 9/5/79 2/5/80 9/5/79 12 months 3 months 12 monks m
Qm 0
ZQ
REPORT NO.
TR 846 PAGE OF CERTIFICATION I, the undersigned, being a registered Professional Engineer in the State.of California, competent in the testing a'nd evaluation of Mechanical Shock Arrestors, certify that this report truly and accurately piesents results of tests performed in accordance with the approved test procedures.
Certified by
{}ualityEngineer State of California Registration No.
1919 Date 12 May 1980
~~+ E$$10
's NO.
1 PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
Anaheim.
Ca.
92803 (714) 774-5217
P
REPORT NO.
TR 846 paGE 6
oF TESTING 1.0.
Acce tance Tests The test units were examined and tested to the requirements of I. T. 533, enclosure 1.
Photograph 1 identifies the test units.
Photograph 2 shows the functional test fixture.
The breakaway friction must not exceed 1200 lbs.
and the snubber must limit the acceleration to.015 'g'maximum
(.59 seconds for 1 inch travel.)
The calculations are as follows:
a=
26
+
2xl 386t 386 x 9
.015 G
1.2 Procedure 1.2.1 Breakawa Friction 1.2.2 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.
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 709 710 950 lbs.
850 lbs.
Ext.
- 1. 46 sec.
1.27 Retr.
1.11 sec.
1.29 Refer to Appendix 1 for actual data sheets I.T. 533, Page 4.
PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92603 (714) 774-5217
I
REPORT NO.
TR 846 PAGE 7
OF 24 2 '
D namic'Load C clin Room Tem erature 2.2 2.3 Rated load (120,000 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 800 x 10 lbs./inch less 10%.
Spring Rate
= Full Rated Load
( eak to eak)
.,Total deflection less lost motion 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 3 ~
The displacement and axial load were moni-tored on an oscilloscope with the displacement on the vertical axis and the load on the horizontal axis.
Refer to the photo-graphs on Pages 11 through 16'he input motion was a dis-placement that varied as a sine wave which resulted in a load being developed in both tension and compression.
At 3 Hz the cycling was continuous for 10 seconds at rated load.
At 8 Hz and 13 Hz because of test equipment limitations,,the cycling was accomplished at rated load 5 cycles at a time
. before the hydraulic oil pressure on the load cycling machine dropped.
As soon as the oil pressure recovered, another 5
cycles was run until the equivalent of 10 seconds (10 x fre-quency) was accomplished.
At 18 through 33 Hz a single pulse at rated load was applied, the required number of times (10 x frequency) first in compression and then in tension.
Results The unit met the requirements.
Refer to oscilloscope photos PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State Colle e Blvd.
Anaheim.
Ca.
92603 714 774-5217
,I 1
0
REPORT NO.
TR 846 p'Gs 8
OF and Appendix 2.
S/N 709 710 Lost Notxon - Inches
(.040 inch max.)
.033
.033 Spring Rate Lbs/Inch (720 X 10 Lbs/Inch Min.)
2719 x 103 2516 x 103 I
3.0 Abnormal Ambient Environment The shock arrestors at room ambient condition shall be placed in a chamber capable of maintaining pressure and temperature.
The chamber'onditions shall then be adjusted to the Phase I Condition and then allowed'o 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 />.
4
- 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 IV:
250F to 100F, 0 to 15 psig, 100 percent rel-ative humidity 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 F and subjected to the breakaway friction and acceleration test.
3.2 Procedure The PSA 100 snubbers were placed in the Steam Chamber.
Refer to photograph 4.
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.
The chamber conditions were adjusted 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 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 PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
tt
PAGE R
OF 3.3 pressure.
Refer to pages 23 and 24.
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 con-dition of Phase XX 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 250oF and the pressure was maintained between 0 and 15 psig, Phase XXX.
After 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> the chamber temperature was adjusted to between 250 F and 100 F while maintaining the pressure between 0 and 15 psig.
(Phase XV.)
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 200oF 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.
Results The exterior of the units displayed a darkening in color, but there was no base metal corrosion.
The friction and acceleration values were met at 200 F.
S/N Friction lbs.
(1200 lbs. max.)
Acceleration (0.59 sec.
min.)
709 900 710 925 4.0
.D namic Load C clin at 200 F
4.1 Ext.
1.60 1.20 Retr.
- l. 50 1.35 4.2 4.3 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.)
Procedure Same as Paragraph 2.2 except the unit shall be stabilized at 200 F for 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> before load cycling.
A temperature chamber was placed around the snubber which was installed in the load cycling fixture.
Refer to Photograph 5.
Results The unit met the requirements.
Refer to Pages 17 through 22 for the load cycling photographs.
The maximum lost motion during cycling was:
PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
REPORT NO.
TR 846 PAGE G
QF 5.0 5.1 5.2 Tem erature 75oF 200 75 3 33 Hz 3-33 1260 2175 5000 Cy 1260 2230 5000 Cy TOTAL S/N 709
~ p35 inch (8 Hz)
S/N 710
. p4p inch (8 Hz)
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 sub-tracted from 5,000 and the remaining cycles shall be run at room temperature at rated load and at 3 Hz.
Procedure The procedure details were the same as Paragraph 2.2, except all cycles vere applied at 3 Hz.
The cycles vere run as follows:
~Cclee S/N 709 S/N 710 1510 1565 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 709 S/N 710 1;
Lost Motion
.040 inch-max.
2.
.Breakaway Friction 120p lbs.
max.
Acceleration Test 0.59 sec.-min.
.035 inch 900 lbs.
1.11 sec. .040 inch 925 lbs.
1.20 sec.
3.
Dynamic Test Response (Refer to load-displacement photo-graphs) 4.
Spring Constants
{8pp x 10
) -
(80 x 10
)
3 720 x 10 lbs/inch 2618 X 103 lbs/inch 2283 X 103 lbs/inch PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION t
1346 S. State College Blvd.
- Anaheim, Ca.
92803
{714) 774-5217 4
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- Anaheim, Ca.
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Anaheim.
Ca.
92803 (7)+) 774-52M
REPORT NO.
TR 846 PAGE 27 OF ABNORMAL ENVIRONMENT LOG P/N 1801119-11 S/N 709 710 OC:oo 0
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~ KIN-TECH DIVISION 1346 S. State College Blvd.
- Anaheim, Ca.
92803 (714) 774-5217
Ik
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(b) b)
ivOr.
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II.
F'..al Functional Tests ara. 6>>2).........Actual
~ Q3'
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Los t ~ifotion (
e o '0 -.ax. ) (p P
(c)
Acceleration/Load Test (. 59 sec.
min.}(para. 6.3)....
Actual Time Extending l' 7
Retracting~/
~ g (a)
Breaka~'ay =rict on:orce (1200 lbs.
max.)
i'para.
6.1)........................Actual~+0 Inspector CO S tamp l'a t
- rS - h.O
.t'AC:RC SClKHTlRC COMPANY Airer3ft Procfucts Division l~ scum state colic'oulevard
~ Ananeim. caifornia 92803
~ (714) 77'-52]7
TR 846 APPENDIX 1
~333 PAGE~ OF~
Rev.
H ASME SECTION III, DIVISION I SUBSECTION NF MATERIALS TRACEABILITYTABULATION PSCO P/N I
Serial No. gg g gjtr Owner/Agent Date Part No.
1801406 1801407 1801415 1801416 1801421 1801422 1801423 1801428 1801430 1801432
'3 1801434 1801437 1801507 1801543 1801419 1801420 Description Shell, Inertia Mass, Hub, Inertia.Mass
Flange Tube Housing
~ ~
Support, Cylinder Nut, End Cap Cylinder, Telescoping
- Cap, End
~ Nut, Adapter Adapter Gea r, Pinion
- Gear, Planet
- Gear, Ring Material Code Number
/>0 0 Stamp
~ 3 P.)
??P r
~ ~
r ~
3 Ca.-
?i P
??P P:-j
??P S:p
?i rF
?SF I
iP S>>"0
?P SC
?P Spp
?P SC
?P SCp
?P SEP 07 54 I ACIFIC SCIENTIFIC COMPANY Aircraft Products Divisiort 1't South E'
Cr:llpop Bovlevarrt
~ Anttnetm. CrE~ tnrnia 92sQ3
~ (7$ 4I 774.5p>7
~
0 P
REPORT NO.
TR 846 APPENDIX 2 SPRING RATE CALCULATIONS PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION
0
REPORT NO.
TR 846 APPENDIX 2 PSA 100 SPRING RATE CALCULATIONS AVERAGE ALLOWABLE RATE = 800 - 80 = 720 x 10 Lbs/Inch Temp Freq'.
OF Hz Peak-Peak Load Lbs.
Dynamic Displ.
Inch Lost Motion Inch Spring Rate 1 x 10~ Lbs/Inch 709 75 8
223000
.115
.033 2719 18 239000
.128
.033 2516 AVERAGE 2618 x 103 Lbs/Inch 710 75 200000
.120
.038 2439 18 234000
.15O
.O4O 2127 AVERAGE 2283 x 103 Lbs/Inch SAMPLE CALGULATION Dynamic Spring Rate
=
223000 lbs.
1
.033 inc 2719 x 10 Lbs/Inch PACIFIC SCIENTIFIC
~ KIN-TECH DIVISION heim Ca.
92803 714 774-5217
r
ai REPORT NO.
IT 533 PAGE~OF OG OG 6.2 Lost Motion (.040 max.)
6.2.1 Install the snubber on the 1801 TF-2 Fixture and adjust the dial indicator'uch that it will record movement at the clevis end of the snubber.
With the snubber extended at approximately its mid-position, hold the inertia mass stationary'.using hand pressure and apply a load of 1200 lbs. to the
~
Relative movement noted on the dial indicator shall not exceed
.040 =inch.
6.3 Acceleration/Load Test OD 6.3. 1 The unit shall be installed in the 1801 TF-2 Uni-versal Shock Arrestor Tester with the unit ex-tended approximately midway from full extension.
The 1801 TF-2 Tester pressure gage shall be set for 118 P..S
~ I~, which is equal,to 12,500 lbs.
load+
With the required pressure applied to the unit, the time as re-corded by the timer. for the snubber to extend 1" shall be
~ 59 sec.
minimum.
This test shall be repeated by retracting the unit and again the minimum time recorded shall be
~ 59 second.
PACIRC SCIEHTIRC CCNPANY Aircraftproducts~~
1346 South State College Boulevard
~ Anaheim, CallfoNla g2803
~ (714) 774-5217