ML20077N096
| ML20077N096 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 06/24/1982 |
| From: | Drab J LIMITORQUE CORP. |
| To: | |
| Shared Package | |
| ML20077N044 | List: |
| References | |
| B-0115, B-115, NUDOCS 8309120518 | |
| Download: ML20077N096 (155) | |
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l I HYDRODYNAMIC VIBRATION TESTING (NEW LOADS) f REPORT NO. B-0t15 I . AGREEENT FOR TECHNICAL SERVICE NLMBER P-37 CONDUCTED AT ACTON ENVIRONMENTAL LABS ( lMDER DIRECT SUPERVISION OF LIMITORQUE CORPORATION AND BECHTEL POWER CORPORATION l L l Prepam d by: d.b vath
.L J. B. Drup3pecias Projects Engineer Approved by: 'b w b t.'s e '
~W, J. Denkowski-Vice President-Engineering
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onte: evw4 24; 198E L [ 8309120518 830901 PDR ADOCK 05000352 A PDR
r . I. E l i TABLE OF CONTENTS 1.0 GENERAL Page 1 2.0 DISCUSSION Pages 1 and 2 { 3.0 RESONANCE SEARCH Page 2 f 4.0 TEST PROCEDURE Pages 2 and 3 Pages 3 and 4 5.0 CHOICE OF TEST LEITS 6.0 SUM %RY OF TEST LEVELS Pages 4 and 5 Page 5
7.0 CONCLUSION
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l f APPENDIX Appendix A Test Procedure Hydrodynamic Test SM-000-2/ LOD.10A Acton 16511-11 Appendix B Hydrodynamic Test 5 2 250 Acton 16511-11 Appendix B Hydrodynamic Test S2-1-60 Acton 16511-9 Appendix C Hydrodynamic Test S2-2-60 Acton 16511-9 Appendix C Hydrodynamic Test SM-00-15/H2BC Acton 16511-10 Appendix D L E L. L [ t i L L L 11 L
o C LIMITORQUE CORPORATION m_. 5114 Woodall Road + P. O. Box 11318 + Lynchburg, Virginia 24506 a'w9 ( Telephone-804-528-4400 + Telex-82-9448
' TEST REPORT L
1.0 GENERAL The following tests were conducted to determine the capability of Limitorque actuators to withstand high frequency vibrations up through 100 hz caused by hydrodynamic loadings in a boiling water reactor nuclear power plant. f 2.0 DISCUSSION It is generally agreed within the industry that random multi-frequency biaxial testing most closely duplicates the actual high frequency acceleration the actuator would see during hydrodynamic loading. Due to the complexity of the piping systems and the varied locations of {, the actuator, proper RRS curves could not be developed and it was decided to adopt the much more conservative mode of testing of sine-beat dwells at 1/3 octave intervals from 2 to 100 hz. Actuator resonances would not be a consideration for random multi-frequency biaxial testing, but would have to be considered when choosing represen-( tative units for the more conservative sine beat testing at 1/3 octave intervals. Due to this fact, it was decided to check the resonance points below 100 hz on all the actuator sizes in question. Since it has been determined that the motor mounting flange is the most sensitive area in seismic testing, simplified stress static calculations ( were m de. l < Automated Velve A&enes and Jacks for Industry l
2.0 (cont) ( The test units were chosen on the basis of considering the worst case combination of resonant frequencies and stress levels of each actuator. 3.0 RESONANCE SEARCH Prior to start of actual testing, it was detemined that resonance search by use of a shaker table might possibly create delays in the overall testing program. An alternate method of detemining resonance by modal analysis could accelerate the schedule. An S96-0-25 was sent to the test lab to check resonant frequencies of the actuator by both modal analysis and a resonance survey by applying a .75 g input at a sweep rate of 2 octaves per minute from 5 to 200 hz to 5 hz. Since relatively close agreement was established between b the two methods of detemining resonances, modal analysis was considered
' valid and was used in detemining resonanus of the remainder of_ the actuators.
f Due to the fact that resonance information was available on the SM-3 from Report B0085, the SPE-3 was not subjected to a resonance search on this test. 4.0 TEST PROCEDURE The test procedure used is included in Appendix A. Due to lack of prior data in testing Limitorque actuators at high acceleration levels at fmquencies in excess of 33 hz, it was decided to attach special supports to the limit switch finger base on two of ( the four trains. Should the finger base prove to be sensitive to L high acceleration levels at higher frequencies due to resonance or i L 1L _
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k 4.0 (cont) 3 ( other reasons, this permits continuation of the testing with a potential design modification being tested. Testing proved the standard switch
, without the addition of the special supports passed the hydrodynamic test and therefore the actuators enn be used as originally supplied.
k
. 5.0 CHOICE OF TEST IAIITS 1
A joint engineering review by Limitorque and Bechtel lead to the following conclusions and choice of test actuators. The most sensitive area to acceleration loading is the connection of the motor to the actuator. Since this area has a relatively complicated i l configuration and since this joint is the same in design concept on all size actuators varying only in physical size and metal thickness, a sispie calculation was made. This calculation, although not providing
' actual stress levels, provided relative flange strengths which pennitted selection of the " worst case units".
The SM-2 actuator had the highest stress level, approximately 60% over the SM-00 and SMB-0 actuators. Information at the time of evaluation showed the dominant resonances of actuators of the size SE-3 and smaller were close to or in excess of 100 hz with resonances being detected on the SM-4 below 100 hz, but well above 33 hz. Resonance [ was detected on the S2-5 at 28 hz. On this basis, it was agreed that l hydrodynamic testing should be conducted on the SMB-2 and SM-4 actuators. The SM-000 was also included, primarily to check the Modutronic 10A included in this unit. Decisions were then made to include an SM -1 actuator in the test program to add another mid-size unit for additional l. g confidence level. [
L, b' 4 5.0 (cont) A joint analysis (as shown below) was made by Bechtel and Limitorque, which showed the testing of the SM-5 was not necessary.
- A. Acton's modal analysis detecteu a resonance in the SM-5 at 28 hz.
B. An earlier seismic test subjected an SM-5 Limitorque actuator to 6 g acceleration at 28 hz with the actuator operating properly during the seismic dwell. C. The SM-4, which was subjected to hydrodynamic testing had resonant frequencies slightly above the SMB-5 but below the 100 hz max test level and subsequently passed the hydrodynamic test without problem. D. Due to the generic family relationship of all Limitorque actuators, it is contended that the SM-4 and 52-5 actuators would react similarly to high frequency sine beat testing. E. On this basis, the SM-5 is considered to have the capability of withstanding 6 g acceleration to frequency levels of up to 100 hz. I The SM-000-2/H0BC and SM-00-15/H2BC ninety degree actuators were i also jointly reviewed. The most sensitive area to acceleration loading in this case is the adaptor that mounts the SM actuator to the HBC ninety degree actuator. Since the S2 -00 is much heavier than the SM-000 and the highest stressed area of the adaptors being of the same cross section, the SM-00-15/H2BC was chosen as the test l i unit. 6.0 SUMARY OF TEST LEVELS Actuator Size Acceleration Level i SM-000-2/ Mod.10A 10 g S2-1-60 10 g l
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6.0(cont) , 5 ( Actuator Size Acceleration Level 52-2-60 10 g SM-4-250 7g SM-00-15/H2BC 8g
7.0 CONCLUSION
The actuators tested consisted of units which, in relation to high
> frequency acceleration load testing, included the most detrimental attributes of the generic family of actuators. Since the actuators performed all functions with no indication of malfunction during the acceleration load testing, the entire generic family of actuators, SM/SB/SBD, is considered qualified for high frequency hydrodynamic ~
loading (per test procedure) to 10 g in the size range of 52-000 to 3,
,' 7 g for the SM-4 and 6 g for the S2-5.
The SM-00-15/H2BC was tested with limit switches that included special brackets. In reviewing the accelerometer strip charts, it was noted that comparing the acceleration readings of the SMB to the acceleration readings of the control accelerometer that there was no multiplication. Since the limit switches in all size actuator are of the same configu-( ration and the maximum acceleration loading of the SM-00 did not exceed 8 g, the standard limit switch would survive the vibration testing as proved in tests of the other units. The SM-00-15/H2BC envelopes the combinations of an 52-00 mounted on an HlBC or H2BC or an 52-000 mounted on these same ninety degree units t 3 and on an H0BC. These units art considered qualified for high frequency hdrodynamic loading of up to 8 g as defined in the test procedure. e
( Sheet No. 6
. uurTORQUE CORPORATION 7.0(Cont.)
( It nas determined the Modutronic 10A electronic board had to be. modified k by fimly securing one of the components by potting the board for
- additional rigidity. The Modutronic 10A, as modified, is also considered qualified for high frequency hydrodynamic loading as defined in the test procedure.
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APPENDIX A TEST PROCEDURE , L [ [ i l e : I 1g l t i l b i
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LIMITORQUE CORPORATION el 9 .__J P. O. Box 11318 Lynchburg, Wginia 24506 i 5114 Woodan Road Telephone--804-528-4400 Telex-82-9448 f TEST PROCEDURE SINE BEAT SEISMIC DWELL TEST I BECHTEL P/0 8856-P-37, LIMITORQUE 681021 f 1. Use sampe test actuators listed 0/N S/N Actuator Size 3A6083A 257332 SM -000-2 DC 204579 52 25 DC 381264F 3812550 204081 { SMB-0-25 (AC) 381264I 216441 S2 60 (DC) 213425 381264Z g SMB-2-60 (AC) 381255T 217964 ,[ S M 100 (AC) 210574 SM-4-250 ( AC) 381268G 381264BB 209264 52-5-350 (AC) 219170 SM-000-2/H0BC 385285A 243845 [t SM-00-15/H28C 389499A
- 2. Install the Navy Shock Bracket on the lower 2 RGLS so tnat one set of switches contains a bracket and the second set does not.
- 3. Install each of the above actuators on an aluminum fixture to check f resonance (Fixture per Fig. 2 attached, except not arranged to accept load). Weight each actuator / fixture assembly and with this infonnation, l
have the seismic lab adyise the max. g level capability at each 1/3
- octave interval from 2 to 100 hz and record. The external switch bracket and switches are to be retained on the actuators during resonance search w
only. Mount a triaxial accelerometer on the switch mounting plate. l Extraneous conduit or fittings, etc. are to be removed before testing.
- 4. Install each actuator on shake table attaching triaxial accelerometers to the fixture at the actuator mounting face, top cf the 52, end cap
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of the motor and mini-triaxial accelerometers, one to the end of the Automated Valve Actuators and Jacks for Industry w
Sheet No. 2 UMITORQUE CORPORATION
,f 4.(cont) limit switch finger base without the Navy Shock Bracket and one to the i and of the limit switch finger base with the bracket. In the case of o
the SM/HBC assemblies, mount the triaxial accelerometer to the top of the HBC with the meninder being mounted as indicated above. Also mount mini-triaxial accelerometers to the outboard face of the torque Y l switch frame (do not connect to a movable part).
- 5. Conduct a resonance search on the S M 25 by applying an acceleration L
of .75 g input (max table capacity at low frequencies) at a rate of 2 octaves per minute from 1-200 hz noting resonant frequencies (defined as a multiplication factor of 2 and a 90 degree phase shift) in each of the
- tnree axis.
Also conduct a modal analysis on the same actuator for comparison to resonances established on the shake table. t
- 6. If the resonant frequencies obtained by mudal analysis agrees with the resonant frequencies established on the shake table, detemine the resonant r
5 frequencies of the remainder of the actuators (with the exception of 4 the 52-3) by modal analysis. The resonant frequencies of the S2-3 were 3 If tne resonant frequencies disagree by a known from prior cests. substantial amount, detemine the resonant frequencies of the remainder of the units by use of the shake table as described in Step 5.
- 7. Calculate the stress level in the motor flange of each SMB actuator and the SM-HBC adaptor of the two motor actuated manual units listed in Step 1 above. Coupling this with the resonance infomation and the shaker table g level capability established in Step 3 above, chose the i
actuators that would enytlope the list of actuators. The infomation I . [ L . O
Sheet No. 3 ut41 TORQUE CORPORATION ? 7.(cont) , established is to be fomarded to 8echtel and the test ur.its to be chosen to represent the generic family are to be to the mutual agreement of Bechtel and Limitorque.
- 8. Calibrate the chosen test units to the unit rating torque of the SPE actuators (choosing stem size and characteristics to provide nominal rated stem thrust) and to the rated output torque of the HBC for the motor operated 90 degree unit or units or to the maximum thrust and torque available from the test unit should it be below rating.
- 9. Mount each actuator on an aluminum seismic test fixture arranged to trip the actuator on torque switch in the seated position.
- 10. Install the actuator with test fixture on the seismic shake table and
' subject in each axis to a setenic excitation of a five beat-fifteen y cycle since beat test of 8 g (altemately 10 g) perfomed at 1/3 octave intervals from 2 to 100 hz and at each resonant point below 100 hz. (at o lower frequencies, seismically excite to the limit of the shake table.) J Also, in the cases where unit weight does not pemit exciting to the e stipulatea g levels, excite the actuator to the capacity of the shake table as detemined in Step 5 above. During each dwell, operate tne f actuator from limit switch open position to torque seated close position { and at,each alternate dwell, from torque seated close position to limit l: switch oPen position. This cycle (open or close) is to be initiated at L the start of each sine beat series and completed before the start of the next sine beat series. During these seismic dwells, include heat aged inside containment and outside containment limit switches attached
- to the test fixture for comparison with non-aged switches. (Use of L
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Sheet No. 4 UMITORQUE CORPORATION P i , Navy Shock Bracket to be evaluated during the study conducted in Step 6 above). Due to the severity and conservatism of the test it is per-
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- missible to check and tighten bolting as necessary for successful test completion.
- 11. At the conclusion of testing, electrically operate the actuator from the f open to close and back to open position and then clutch handwheel and operate actuator in Doth directions.
- 12. Visually inspect actuator for any damage noting ooservations.
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I' f r L' J 7 I I [ APPENDIX B f' HYDRODYNAMIC TEST
' SM-000-2/M00 10A 52-4-250 ACTON TEST 16511-11 l
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UMITORQUE CORPORATION g- l m w _ _;- --mm _
' OATE: May 19, 1982
( PROM: C.H. Cox ATTENTION: TO: ' FILE
?
SUBJECT:
Limitorque Research and Development Project 9681021 - High Frequency Hydrodynamic Ioads Testing Ref: 1) Bechtel Purchase Order 8856-P-37
- 2) Acton Environmental Testing Corporation Reports # TR916511-ll Rev. 1 and 16511-4
- 3) Test procedures for Limitorque valve actu-ators - R&D Project #681021 5
Unit Identification and Description Actuator Description Motor Identification Type: SMB Manufacturer: Reliance Motor Co. I.D.9: 708431-ND Size: 000 (with Modutronic 10A DC controller) Start: 2 lb-ft Order #: 3A6083-A Types TR Serial #: 257332 Frame: T56 f H.P.: .355 RPM: 2100 Arm. volts: 75 Antps : 5.6 Field volts: 100 Amps: 7.4
' Winding type: Shunr Ins. Class: F j
Duty: Valve f ' Max. Amb. Temp: 40 C Form factor: 2.00
Background
Prior to any hydrodynamic loads testing the Limitorque SMB-000 w/ Mod 10A was mounted on a test fixture to provide simulated valve seating loads during sine beat portions of the test. Post test calibration checks indicated an average (both " closed" torque torque of 121.6 switch settings l ft-lb and an average "open" torque of 44.8 lb-ft I at "1"). The Modutronic 10A controller was epoxy treated to a depth of approximately 0.25 inches in order to prevent detachment of components during testing. [ L "I- -
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Proj2ct #681021 Page 2 The test actuator was scanned for resonances (in each axis) before beginning ( sine beat tests. All test results from tests performed at Acton Labs can be found in the referenced reports accompanying this summary. At the conclusion of hydrodynamic loads testing, the SMB-OOO w/ Nod 10A actuator was manually clutched and operated through a full open stroke-closa stroke cycle. No apparent damage was detected. Conclusion The Limitorque SMB-000 w/ Mod LOA performed its function (as specified in test procedures for Project 9681021) with no apparent malfunctions or physical dam-age. C.M. 4 gg Chas. H. Cox Asst. Chief Test Engineer
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DATE: May 19, 1982 e PROM: C.H. Cox ATTENTION: TO: FII.E ausJacT: Limitorque Research and Develossent Project 9681021 - Eigh Frequency Hydrodynamic Ioads Testing Ref: 1) Bechtel Purchase order 8856-P-37
- 2) Acton Environmental Testing Corporation Reports 616511 and TR9 16511-11 r
- 3) Test procedures for Limitorque valve actuators
- R&D Project 9681021 t2 nit Identification and Description P
Actuator Description Motor Idantification Typer SMB Manufacturer Reliance Motor Co. 7 Size: 4 I.D.9 744-21130-01 order #: 381268G Starts 250 lb-ft Serial #: 210575 Run: 50 lb-ft volts: 230/460 Amps: 82/41 L Frames C256Y RPM: 3460 Typer DAT
- Phase: 3 Hz: 60 Code: J
*C Rise 75 6
Duty: 15 min Class B Insulation 45 BCO3JPP o sackground_ L Prior to any hydrodynamic loads testing, the Limitorque SMB-4-250 was mounted on a test fixture to provide simulated valve seating loads during sine beat portions of the tests. Post test torque calibration checks indicated an average torque in the " closed" direction (setting 3-3/4) of 7,240 lb-ft and an average torque in the "open" dir-r ection (aetting of 3-3/4) of 6,640 lb-ft. { The bottom two train geared limit switch was replaced prior to testing with a staMard nuclear switch incorporating a Navy shock bracket. The t.op switch was l replaced with a senMard nuclear geared limit switch, L t -
Proj ct 9681021 Page 2
" mwi == attainable accelerations in any axis was 7.0g (due to actuator mass i
l and table limitations). t 2 e SMB-4-250 was scanned for resonances (in each axis) before beginning sine beat tests. All test results from tests performed at Acton Labs can be found in reports accompanying this stammary. 1 ? At ,the conclusion of hydrodynamic loads testing the SMB-4-250 actuator was manually clutched and operated through a full open stroke-close st.M e cycle. No apparent damage was detected. Conclusion p 2e Limitorque SMB-4-250 successfully performed its function (as specified in test procedures for Project 9681021) with no apparent malfunction or physical damage. Both geared limit switches passed all tests. f.M. by [ 01as. H. Cox N/[* Asst. Chief Test Engineer
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L .- aanmuno,. hl. L No.of Pages 31 Test Report No. 16511 11 ( Revision 1 - 5/3/82 Revision 2 - 6/9/82 Report of Test FOR HYDRODYNAMIC LOADING QUALIFICATION OF TWO ACTUATORS SMB-000 WITH 20 LOA AND SM-4-250 FOR LIMITORQUE CORPORATION L 5 !I J RD-288 P Purchase Order No. o L Y IM 2 Date c/MR Prepared by: Timothy W. kfonoff, Prokct Engineer l Acton Environmental Testing Corporation ' 533 Main Street, Acton, MA 01720 7 8, H P2. A[p De = M . d$ A+ u Dat William C. McGinnis, Chief Dynamics Test Engifeer l Acton Environmental Testing Corporation 1- .{ lL
( REVISION RECORD r APPROVED PARAGRAPH CHANGES OR REVISION PAGE ADDITIONS
! BY MIMER NtMER Nul6ER DATE y
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2.3.5 Report Edited 'in its 5/3/82 1 entirety to include - to the Resonance Survey Test end. for Actuator SM-000. Cover Added Rev. 2, 6/9/82-6/9/82 2
- Replaced ' Seismic' with
' Hydrodynamic Loading' 1,2
- Replaced ' Seismic' with
' Hydrodynamic Loading' 3 2.1 Change section to read
'The purpose of the i
Resonance Survey Test
*
- was for information only.'
4 3.1 Add 'for Actuator SMB-000 with MOD 10A q to end of paragraph
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3.3 Add 'for Actuator 6 I SMB-4-250, and in the T frequency bandwidth of 'l 5 to 100 Hz for Actuator SMB-000 w/ MOD 10A' to end of paragraph j, Add Motor Handwheel, 10 4.1 Cap to table [.
- Changed per Limitorque letter of 5/19/82.
L Report No. 16511 11 ACTON co8p c8 EAT *t>8 M
h ) ADMINISTRATIVE DATA o 1.0 PURPOSE OF TEST: Hydrodynamic Loading (kalification of two (2) actuators for Limitorque Corporation
2.0 MANUFACTURER
Limitorque Corporation P.O. Box 11318 Lynchburg, VA 24506 3.0 MANUFACTURER'S TYPE OR MODEL SPB-4-250NO: SMB-000 w/ MOD 10A 4.0 DRAWING, SPECIFICATION OR EXHIBIT: Limitorque Test Procedure Project Ib. 681021 1 5.0 QUANTITY OF ITEMS TESTED: Two (2) 6.0 SECURITY CLASSIFICATION OF ITEMS _: Unclassified I 7.0 DATE TEST COMPLETED: March 9, 1982 [ 8.0 TEST CONDUCTED BY: E. Martin, D. Gosselin, M. Cormier, C. Forbes, and P. McDermott 1 9.0 DISPOSITION OF SPECIMENS: Returned to Limitorque Corporation 10.0 ABSTRACT: Refer to Section 4.0 L L R*Po" N - 3,311_11 Rev. 2 L
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> Two (2) ktuators. SMI-000 w/ MOD 10A, S/N 257332, and SMI-4-250, S/N 210575 were submitted by Limitorque Corporation for I hydrodynamic loading qualification testing at kton Environmental Testing Corporation. Each actuator was subjected to a resonance P
survey test and to a sine beat test. 4 H L 2 R Report No. 10311-11 Dey. ? l l l 6 A4. I 2 - ACTON I lL - l
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S L-( 2.0 TEST REQUIREMENTS 2.1 Resonance Survey Test The purpose of the Resonance Survey Test was for information only. 2.2 Sine Beat Test The purpose of the Sine Beat Test was to subject each actuator to the requirec sine beat excitation, in order to ~ determine the actuators' functional integrity and ability to withstand such excitation without evidence of mechanical a damage or deterioration. 1-a [ 1 L L . L R*P0" %- 3,331_;1 Rev. ? 1 - Page ' g
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( 3.0 TEST PROCEDURE _ 3.1 Test Mounting Each actuator was submitten by Limitorque Corporation
' bolted to an aluminum plate. The aluminum plate had a predrilled bolt pattern in order to adapt it to the head of an AETC A-249 electrodynamic shaker. The actuator / fixture plate assembly was attached to the A-249 for sine beat f
The testing in the frequency range 20 to 100 Hz. actuator / fixture plate assembly was rigidly clamped to the single axis Itydraulic shaker for sine beat testing in the
' frequency range of 2 to 16 Hz for Actuator SMB-000 with MOD 10A.
i 3.2 Test Monitoring Each actuator was visually monitored for any evidence of f mechanical damage or deterioration by Limitorque personnel. The actuators were instrumented with four (4) triaxial groups of accelerometers. The accelerometers were located P on each actuator as follows: i SENSE LOCATION ACCELEROMETER
~- 1 V Base of Fixture 2 HI 3 H2 L Report No. ,
Rev. 2
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( 3.2 Test Monitoring (continued)
> ACCELEROMETER SENSE LOCATION 4 V Motor Cap 5 Hi 6 H2 7 Y Gear Box 8 Hi 9 H2 10 V Switch Case 11 Hi 12 H2 ACCELEROMETER LOCATIONS FOR RESONANCE SURVEY TEST ON AL,11)ATOR S&OOO W/ MOD 10A ACCELEROMETER SENSE LOCATION 1
Motor Cap
, H2 2 Hi 3 V 4 SMB Housirt, H2 5 Hi 6 V 7 H2 Gear Box ' 8 Hi 9 Y 10 H2 Base of Fixture e 11 Hg 12 V i3 I
Hi - Parallel to the Motor H2 - Perpendicular to the M r V - Vertical , l Report No. ;; ;; ;; Rev. 1 l _ ACTON t
1 b . .. ._ ._ __ (. . 3.2 Test Monitoring (continued) Outputs from all accelerometers, through appropriate signal conditioning, were recorded on visicorder recording paper which is included with this report. Limitorque personnel operated the actuators during the test to determine functional integrity. 3.3 Resonance Survey Test The resonance survey was performed on each actuator in
' the three (3) mutually orthogonal axes of excitation, one (1) vertical and two (2) horizontal axes. The resonance survey consisted of a sinusoidal input with peak ' accelerations of 0.75 performed at a sweep rate of 2 octaves / min, in the frequency bandwidth of 5 to 200 Hz for ktuator 52 250, and in the frequency bandwidth of 5 to 100 Hz for ktuator
? SMB-000 with MOD 10A. 1 3.4 Sine Beat Test The Sine Beat Test was performed in three (3) mutually orthogunal axes of excitation, two (2) horizontal and one (1) vertical. The test consisted of amplitude modulated sinusoids with peak horizontal and vertical accelerations of 10g's for ktuator SMB-000 w/ MOD 10A, and 7g's for ktuator SMS-4-250 (except when limited by AETC shaker capabilities as f Report No. ,g Rev. 2 l. Page - 4 ACTON g h
L~ . 3.4 Sine Beat Test listed below). The beat for a given frequency was 5 beats, 15 cycles / beat with a sufficient pause between beats to preclude any superposition of motion. The sine beats were performed at the following frequencies: SM-000 w/ MOD 10A TEST No. SENSE ACCELERATION (g's) FREQUENCY (Hz) 2 10, 11, 12 H, ,V 4,4,4
,~ 2.5 10, 11, 12 H, ,V 5, 5, 5 3.2 10, 11, 12 H,H,V 6,6,6 4.0 10, 11, 12 H,H,V 9,9,9 a
10, 11, 12 H,H,V 10, 10, 10 5 6 10, 11, 12 H,H,V 10, 10, 10 8 10, 11, 12 H, ,V 10, 10, 10 10, 11, 12 H, ,V 10, 10, 10 10 10, 10, 10 12.5 10, 11, 12 H,H,V 1,2,3 V, H H g 10, 10, 10 16 10, 10, 10 e 20 1, 2, 3 V. H , Hi 1, 2, 3 V, H , Hi 10, 10, 10 25 10, 10, 10 32 1,2,3 VH,H1 2 H 10
- 36 10, 10, 10 40 1, 2, 3 V, H , Hg 1,2,3 V, H , Hi 10, 10, 10 47 l 1, 2, 3 V, H , Hg 10, 10, 10 50 10, 10, 10 60 1, 2, 3 V,H,Hi 1 ~V 10 66 10, 10 68 2, 3 H'H1 2
10 2 H lL l 75 80 1, 2, 3 V, H , Hg 10, 10, 10 1 V 10 lg 95 10, 10, 10 100 1, 2, 3 V, H2' H1 l[ Hg - Parallel to the Motor H2 Perpendicular to the Motor l l V - Vertical 1AE11 11 R* Port No. lr Rev. 1 l[ ( . Pope [ _.__. W_
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3.4 Sine Beat Test (continued) SM-4-250 TEST No. SENSE ACCELERATION (gM FREQUENCY (Hz) 5, 7, 9 H,H,V 7, 6, 3.5* 16 7,6,7 20 5,7,9 :: ,H,V 5,7,9 H,H,V 7,7,7 25 7 29 7 H 5,7,9 W,H,V 7, 7 7 32 2 7 34 7 H 5,7,9 H,H,V 7,7,7 40 2 7, 7 43 7, 9 H,V 5,7,9 H,H,V 7,7,7 50 2 ( 9 Y 7 56 ( 58 5,7,9 H,H,V 7,7,7 5,7,9 H,H,V 7,7,7 60 71 5, 9 H' 2 Y 7' 7 Y 7 74 9 H 7 75 5 5,7,9 H,H,V 7,7,7 80 t 7 86 5 H2 Y 7 Hg 7 94 100 5,7,9 H'H'Y 2 1 7' 7' 7
- Low g level due to a 16 Hz trunnion resonance on Test No. 9.
Hg - Parallel to'the Motor H2 - Perpendicular to the Motor V - Vertical During each beat, the acutator was operated by Limitorque personnel from limit switch-open position to torque-seated l close position, and at each alternate beat, from torque seated-g close position to limit switch-open position. During the Sine w iL Report No. r 16511-11
;{
emuecomorru. 8 Page L - L . .-
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f' 3.4 Sine Beat Test (continued) Beat Test all visual monitoring of the inside containment and outside containment limit switches was done by Limitorque personnel . e D 3 1 1 o I L
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'l .. . 4.0 TEST RESULTS l I 4.1 Resonance Survey Test Results Resonant frequencies for each Actuator were j L measured as follows:
$2 250 AXIS FREQUENCY (Hz) ACTUATOR POSITION Between 70-75 Motor Open
> Horizontal (H2) Setween 90-95 Motor l 28.8 Handwheel Open I. Horizontal (H1 ) 33.6 Handwheel 98.7 Handwheel None between 20 Closed Horizontal (H1) and 40 I 58 undefined Open h Vertical (V) 74 Motor End Cap l- ! SMB-000 w/ MOD 10A AXIS FREQUENCY (Hz) V I Vertical (V) 66 Motor Horizontal (H1) 47, 60 Motor Horizontal (H2) 36, 75 Motor ( The frequency response spectra for the above tests are g included in this report. 4.2 Sine Beat Test Results No anomalies were encountered during the sine beat testing y 1 of the two actuators in either of the horizontal directions or ? the vertical direction. All testing was witnessed and approved L by Limitorque personnel. R* Pod N . ,331, L Rev. ? A Page 10
~ -- - -
L 5.0 TEST EQUIPMENT LIST 2 I. [ [ [ 'l L L ,_ ,,_,, L i II Poge acrom L
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m m m w m e q y y S $}W p-- , si . 1 i l TEST EQUIPMENT LIST MODEL SER.MO. RANGE ACCURACY INV.# CAL.FRIO. NAPE MFGR. I It I PE305 6 months Power Supply PCB 483A02 396 6 Channel Cain X1 gg
+2%
1000A 894 .2 Hz-3MHz 10V P-P S 50 Ohm +5% IX SG504 6 months Function Generator KH
+
_21 HP . Exciter control B sK 1047 919542 SG510 6 months. ! j T912 T912 DC-10MHz Dual Trace +3% OS305 6 months [ Scope, Storage TEK g B015169 , l 1600 241 0.2 Hz to 3 MHz +5% SG349 6 months ; Sweep Function KH Generator N122 8572 AC ML534 6 months Spectral Density Ballantine Vstt Meter . 906B 9-8687 DC to 2 KHz 12 Channel +1db RE301 6 months Visicorder HON 6" paper l A249 75 30,000 lbs force 1" P/P disp. +5% PE317 6 months Exciter Amplifier LIHG 56 5 - 5 KHz +24 PP120/150 483A 273 12 Channel Cutin : X1 +2% PE374 6 months l Power Supply PCB 117-06 1000-54 Gain: 0.01/.02/.05/.1/.2/.5/ +2% DC PE394 6 months j Amplifier DC HON 1/2/5/10 , ,i 302A 1772 1 Hz - 5 KHz +5% AC415 6 months i Accelerometer PCB 302A 1777 1 Hz - 5 KHz +5% AC420 6 months Accelerometer PCB 302A 1807 1 Hz - 5 KHz +5% AC426 6 months Accelerometer P"B 1809 1 Hz - 5 KHz +5% AC428 6 months Accelerometer PCB 302A t* 1 b> e M
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p . TEST EQUIPMENT LIST Il RANGE ACCURACY IW .f CAL.FREQ. , m WGR. MODEL SER.NO. Acc31erometer PCB 302A 1821 1 Hz - 5 KHz 15% AC437 6 months ,. Acc31erpmeter PCB 302A 1983 1 Hz - 5 KHz ha 15% AC440 6 months , Acc31erometer PCB 302A 1815 1 Hz - 5 KHz 15% AC433 6 months
} AC429 6 months Accalerometer PCB 302A 1811 1 Hz - 5 KHz ',' 15%
Acc31erometer PCB 302A 4440 1 Hz - 5 KHz 15% AC340 6 months l I Accalerometer PCB 302A 1776 1 Hz - 5 KHz . 15% AC419 6 months - Acc31erometer PCB 302A 443G 1 Hz - 5 KHz . 15% AC342 6 months Acc31erometer PCB 302A 670 1 Ilz - 5 KHz 15% AC379 6 months Electro-Rent Nunber 77314 I i
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L L L J APPENDIX C
? HYDRODYNAMIC TEST l
Sle-1-60 SMB-2-60 ( ACTON TEST 16511-9 J. b 1 i L L l. c L
5 I-E.( LIMITORQUE CORPORATION
- mm g
DATE: May 19, 1982 n' - PROM: C.H. Cox n-ATTENTION TO: FILE
SUBJECT:
Limitorque Research and Development Project r 6681021 - High Frequency Hydrodynamic Ioads l Testing Ref: 1) Bechtel Purchase Order 8856-P-37
- 2) Acton Environmental Testing Corporation
[ Reports 16511-9 and 16511-6
- 3) Test procedures for Limitorque valve actuators - R&D Project #681021 Unit Identification and Description Actuator Description Motor Identification f
Type: SMB Size: 1 I.D.#: L27513TZ TA Frame: L187A Order No.: 381264-I H.P: Spel Serial No.: 216441 Form: T [\ volts: 250 Amps: 16.5 RPM: 1900 Duty: Special f Rise: 75,C l Field volts: 250 I Field max amps: .329 [, Winding: Spel. camp. 4 60lb-ft 9 st 1 see-121b-ft Run: 5 min.
Background
Prior to any hydrodynamic loads test, the Limitorque SMB-1-60-DC valve actuator was mounted on a test fixture to provide simulated valve seating loads during sine beat portions of the tests. A check of output torque after all testing was campleted indicated an average
" closed" value of 1140lb-ft and an "open" value of 1080lb-f t (average) .
I The lower geared limit switch (of the 4-train assembly) was replaced prior to any testing with a geared limit switch assembled with a Navy shock bracket. i h. E l 'L i
> Project 681021 Page 2 L~ .
The actuator assembly was scanned for resonances (in esch axis) before beginning sine beat tests. All test results froma testa performed at Acton Labs can be found in the referenced reports accompanying this susmary. ( At the conclusion of hydrodynamic loads testing, the SMB-1-60-DC actuator was manually clutched and operated through a full open stroke-close stroke cycle. No apparent damage was detected. , i conclusion The Limitorque valve actuator SMB-1-60-DC performed its function (as specified in test procedures for Project 9681021) with no apparent malfunctions or physical damage. Both limit switches performed without failure. Limit switch " drop-out" witnessed during portions of the sine beat test is due directly to improper contact made between the rotor and finger assembly. (Nor-7 mal gap between the finger and the "L" bracket of the finger assembly, with asasurement made at the finger assembly spring, should be .020/.040 inches.)
~
Any lessening of spring tension would result in contact switch chatter. Chas R x Asst. Chief Test Engineer
/eab L
I ,l L l,, u L [ W
LIMITORQUE CORPORATION inner -Ofnon Correspondonos g-DATE: May 19, 1982 ( ', PROM: C.H. Cox A1TENTION. 70: FILE SumJECT: Limitorque Research and Development Project 9681021 - Righ Frequency Hydrodynamic Ynada Testing Ref: 1) Bechtel Purchase Order 8856-P-37
- 2) Acton Environmental Testing Corporation Reports No. 16511-9 and 16511-7
- 3) Test procedures for Limitorque Valve Actuators - R&D Project 9681021 Unit Identification and Description l
Actuator Description Motor Identification Types SMB Manufacturer: Reliance Motor Co. Size: 2 I.D.9: Y275111A3 RA I* Order No.: 381264-A Frames 215R2 Type P Serial No.: 213425 Amb: 40 C Ins. Class: B
'( \
H.P . : 7.9 Code K RPM: 3390 Phase: 3 Volts: 230/460 Duty: 15 min Amps: 21.4/10.7 Start: 60lb-ft Ez: 60 Run: 121b-ft S.F.: 1.0 75 Rise Background i Prior to any hydrodynamic loads testing the Limitorque SMB-2-60-DC valve actuator was mounted on a test fixture to provide simulated valve seating loeds during sine i beat portions of the tests. The unit was received with a " closed side" torque switch setting of "3", yielding lL a menaured torque (average) of 1,5561b-ft. The setting on the "open side" of the torque switch was "2-3/4" yielding an average torque of 1,4451b-ft. A modified two-rotor geared limit switch (Navy shock bracket with face plate) was installed, replacing the lower switch of the 4-rc, tor assembly. ll' s. The test actuator (with motor)Allwas testscanned results fromfor resonances tests performed (in each ataxis) Acton before I4bs beginning sine beat tests. can be found in the referenced reports accompanying this su m . I L l k - - _ __ - ____ _ ____________7__ _ _ _ _ _ _ _ ~
Project 9681021 Page 2 . At the conclusion of hydrodynamic loads testing, the SMB-2-60 actuator was manually clutched and operated through a full open stroke-close stroke " (.~ cycle. No apparent damage was detected. NOTE: & heat aged (138 C - 300 hours), irradiated, Fiberite y geared limit switch was attached to the test fixture during hydrodynamic loads testing. At the ccupletion of testing the switch was manually operated and in-spected showing no apparent physical damage or malfunction. Conclusion The Limitorque valve actuator SMB-2-60 performed its function (as specified in test procedures for Project 6681021) with no apparent malfunctions or physical damage. Both limit switches functioned properly. Limit switch " drop-out" witnessed during portions of the sine beat test is a result of abnormal spring tension caused by an incorrect gap between the finger and "L" bracket of the finger assembly. (Correct gap is .020/.040 inchas). C2tas H. Cox M I. Asst. Chief Test Engineer J
/eab
( m. L ( [ L L c n
l .. ._.._.......~_._..__._ _ . . _ _ . . . . _ . . . ._ d LIMITORQUE CORPORATION gg DATE: Msy 19, 1982 (., n - PROM: C.E. Cox 9
~ ATTENTION.
TO: FII2 m
SUBJECT:
Limitorque Research and Development Project 6681021 - High Freq.nency Hydrodynamic Icads Testing [ maf: 1) Bechtel Purchase Order 8856-P-37
- 2) Acton Environmental Testing Corporation
[ Reports 16511-9 and 16511-6
- 3) Test procedures for Limitorque valve actuators - R&D Project #681021 Unit Identification and Description Actuator Description Motor Identification Type: SMB I.D.#: L27513TZ TA Size: 1 Frame: L187A Order No.: 381264-I H.P: Spel Serial No.: 216441 Form: T Volts: 250 Amps: 16.5 RPM: 1900 Duty: Special f.
Rise: 75 C Field volts: 250 Field max amps: .329 [ Winding: Spcl. camp. 60lb-ft 6 st 1 see-121b-ft Run: 5 min.
Background
Prior to any hydrodynamic loads test, the Limitorque SMB-1-60-DC valve actuator was mounted on a test fixture to provide simulated valve seating loads during sine beat portions of the tests. A check of output torque after all testing was completed indicated an average "closa!" value of 1140lb-ft and an "open" value of 1080lb-ft (average).
+ The lower geared limit switch (of the 4-train assembly) was replaced prior to any testing with a geared limit switch assembled with a Navy shock bracket.
a [. L -- ------ -
= _ _ --= _ _ _ _ _ _; - - - - - - - - _ - - - - - - - - - - - - - - . - - . . _ _ , _ _ _ _ _ _
? Project 641021
. Page 2
- The actuator assembly was scanned for resonances (in each axis) before beginning
- sine beat tests. All test results from tests performed at Acton Labs can be
(, found in the referenced reports accompanying this susmary. At the conclusion of hydrodynamic loads testing, the SMB-1-60-DC Actuator was manually clutched and operated through a full open stroke-close stroke cycle. No apparent damage was detected. ; l Conclusion The Limitorque valve actuator SMB-1-60-DC performed its function (as specified j in test procedures for Project 9681021) with no apparent malfunctions or physical 1 3 damage. Both limit switches performed without failure. Limit switch " drop-out" witnessed during portions of the sine beat test is due directly to improper contact made between the rotor and finger assembly. (Nor-mal gap between the finger and the "L" bracket of the finger assembly, with measurement made at the finger assembly spring, should be .020/.040 inches.)
~
Any lessening of spring tension would result in contact switch chatter. Chas H Cox Asst. Chief Test Engineer
/eab l
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_ _ _ . _? _
( LIMITORQUE CORPORATION Irvoor -Offloe Cm : -:-% s g DATE: May 19, 1982 (, PROM: C.H. Cox i 70: FILE ATTBmON.
SUBJECT:
Limitorque Research and Development Project
#681021 - High Frequency Hydrodynamic Iceds Testing
{ 5 Ref: 1) Bechtel Purchase Order 8856-P-37 s.
- 2) Acton Environmental Testing Corporation Reports No. 16511-9 an1 16511-7 7 3) Test procedures for Limitorque Valve Actuators - R&D Project 9681021 Unit Identification and Description Actuator _Deacription Motor Identification Type: SMB Manufacturers Reliance Motor Co.
Size: 2 I.D.6 Y275111A3 RA Order No.: 381264-A Frames 215R2 Serial No.: 213425 Type: P
~
Ins. Class: 3 Amb: 40 C H.P.: 7.9 Code: K RPM: 3390 Phase: 3 Volts: 230/460 Duty: 15 min Amps: 21.4/10.7 Start: 60lb-ft ,[ Ex: 60 Run: 121b-ft S.F.: 1.0 75 Rise
Background
lg Prior to any hydrodynamic loads testing the Limitorque SMB-2-60-DC valve actuator was mounted on a test fixture to provide simulated valve seating loads during mine j' beat portions of the tests. The unit was received with a " closed side" torque switch setting of "3", yielding
.l a measured torque (average) of 1,5561b-ft. The setting on the "open side" of the L
torque switch was "2-3/4" yielding an average torque of 1,4451b-ft. A modified two-rotor geared limit switch (Navy ahock bracket with face plate) was g installed, replacing the ipyar switch of the 4-rotor assembly. lL The test actuator (with motor) Allwas testscanned results fr foraresonances tests performed(in each axis) before at Acton Labs beginning sine beat tests. can be found in the referenced reperts accompanying this summary. I ( l lL .. - . .. .. . ..-
j' project 9681021 Page 2 , At the conclusion of hydMfuamic loads testing, the SMB-2-60 actuator was annually clutched and operated through a full open stroke-close stroke
' (..'~
cycle. No apparent omange was detected. MDTE: A heat aged (138'c - 300 hours), irradiated, Fiberite r geared limit switch was attached to the test fixture during hydrodynamic loads testing. At the cepletion of testing the switch was manually operated and in-spected showing no apparent physical damage or malfunction. Conclusion
> The Limitorque valve actuator SMB-2-60 performed its function (as specified in test procedures for Project $681021) with no apparent malfunctions or physical damage. Both limit switches functioned properly.
Limit switch
- drop-out" witnessed during portions of the sine beat test is a result of abnormal spring ter.sion caused by an incorrect gap between the finger and "L" bracket of the finger assembly. (Correct gap is .020/.040 hi ha= ) .
Chas H. Cox M 8. Asst. Otief Test Engineer
/eab L.
F L f L l F l L
- c 1
- L' I __ _ . . - - _
- ACTON
( L 1 M11 0 No.of Pages 28 Test Report No. Revision 1 - 6/9/82 Report of Test FOR HYDRODYNAMIC LOADING QUALIFICATION OF TWO ACTUATORS SMB-1-60 (DC) AND SMB-2-60 (AC) FOR LIMITORQUE CORPORATION I L s RD-288 Purchase Order No. K
- M Date M/bI Preparegfb j
- r William C. McGinnis, Project Engineer (
Acton Environmental Testing Corporation { 533 Main Street, Acton, MA 01720 of - V E- (M A, Date li M N ' A pro ed b Richard S. Gilfoy, Jr. C ef Dynamics Engineer ( Acton Environmental Testing Corporation g 'l WCM/laf
7 ( 7 REVISION RECORD REVISION PAGE PNRAGRAPH CHANGES OR APPROVED NtMBER NUMBER NUPSER ADDITIONS BY DATE 7 0 _ _ _ _ _ _ _ _ _ .- F I RS T I S S UE- ---- - - - - - -- - - - - - - - -- -- - - - 6/9/82 1 Cover Added Rev. 1,~6/9/82
- Replaced ' Seismic' with
' Hydrodynamic Loading' l f 1,2
- Replaced ' Seismic' with Hydrodynamic Loading'
)
l 3 2.1 Changed Section 2.1 to- [ read 'The purpose of the Resonance Survey Test was for information only' 4 3.2 Delete 'of' from ' Top of Limit Switch' ) 5 3.2 Delete 'of the' from
'On the Bottom of the *- Limit Switch'
.{ 9 4.1.1 Delete '5-6Hz Stem Rapping' and '18-22 H2 l . Handle Rapping' change to
'100 Hz Undefined' and
'125 Hz Undefined' 9 4.1.2 Add Motor nnd Bottom Limit Switch to table
+
- Changed per Limitorque letter dated 5/19/82.
L 7/15/82 2 11 4.2.1.1 Added Paragraph 4.2.1.1 L
>L Report No. 16511-9 'b ACTON casessestAftoes
t 1 ( ADMINISTRATIVE DATA 1.0 PURPOSE OF TEST: %drodynamic Loading Qualification of two (2) actuators for Limitorque Corporation
2.0 MANUFACTURER
Limitorque Corporation P.O. Box 11318 Lynchburg, VA 24506 3.0 MANUFACTURER'S TYPE OR MODELSMB-2-60 NO: SMB-1-60 A D 4.0 DRAWING, SPECIFICATION OR EXHIBIT: Limitorque Test Procedure Project No. 681021 5.0 QUANTITY OF ITEMS TESTED: Two (2) 6.0 SECURITY CLASSIFICATION OF ITEMS: Unclassified 7.0 DATE TEST COMPLETED: November 17, 1981 8.0 TEST CONDUCTED BY: D. McLaughlin, C. Forbes 9.0 DISPOSITION OF SPECIMENS: Returned to Limitorque Corporation ? 10.0 ABSTRACT: Refer to Section 4.0 3 1 Report No. Dov. 1 3 ( .z= . <ru. 8* Tasmo _.o _ t . . . . . . . .
? P ( 1.0 TEST ITEM p Two (2) ktuators. SMB-1-60 (DC) and SMB-2-60 (AC), were submitted by Limitorque Corporation for hydrodynamic loading ? qualification testing at the kton Environmental Testing Corporation. Each actuator was subjected to a Resonance Survey 7 and a Sine Beat Test. ( [ 1 1 I I 1 1 1 Report No. ,,_ F Rev. 1 5 ( c: .uw ,ru. Page ? i ACTON CostPORA110P4 L
? ,
(
?
2.0 TEST REQUIREMENTS 2.1 Resonance Survey Test 7 The purpose of the Resonance Survey Test was for information only. 2.2 Sine Beat Test The purpose of the Sine Beat Test was to subject each actuator to the required sine beat excitation, in order to determine the actuators' functional integrity and ability to withstand such excitation without evidence of mechanical damage or deterioration. ( l 1 n O l. o d; L Report No. , Dev. 1 i K ACTON l compomAttore
s ( w 3.0 TEST PROCEDURE 3.1 Test Mounting Each actuator was submitted by Limitorque Corporation ( ' bolted to an aluminum plate. The aluminum plate had a I pre-drilled bolt pattern in order to adapt it to the head of an AETC A-249 electrodynamic shaker. The actuator / fixture y plate assembly was attached to the A-249 for sine beat testing in the frequency range 20 to 100 Hr. The e actuator / fixture plate assembly was rigidly clamped to the [ single axis hydraulic shaker for sine beat testing in the L. frequency range of 2 to 16 Hz. I 3.2 Test Monitoring Each actuator was visually monitored for any evidence of mechanical damage or deterioration by Limitorque personnel. The actuators were instrumented with five (5) triaxial a groups of accelerometers. The accelerometers were located on each actuator as follows: 1 ACCELEROMETER SENSE LOCATION 1 H2 Top Limit 2 Switch L 3 H1 V [. Report No. Rov. T Ow ww ^ N
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1 ( 3.2 Test Monitoring (continued) ACCELEROMETER SENSE LOCATION 4 Hi 7 5 H2 Base of Fixture 6 V 7 Hi 8 H2 On the Motor 9 V 10 H1 11 H2 SMB 1E V 13 H1 On the Bottom 14 H2 Limit 15 V Switch Hi - Parallel to the Motor H2 - Perpendicular to the Motor V - Vertical l Outputs frce all accelerometers through appropriate signal conditioning were recorded on visicordar recording paper which is included with this report. Limitorque personnel operated the actuators during the test to detemine functional integrity. 3.3 Resonance Survey Test l The resonance survey was performed in the three (3) mutually orthogonal axes of excitation, one (1) vertical and 1 Report No. , Rev. 1 t w.= = = Page 5
- ACTON CoseW'OstATION I'. -
l ( 3.3 Resonance Survey Test (continued)
- two (2) horizontal exes. The resonance survey, consisted of a sinusoidal input with pat accelerations of 0.75g's performed at a sweep rate of 2 octaves / min. in the frequency bandwidth i
of 5 to 200 Hz.' n
- 3.4 Sine Beat Test s The Sine Beat Test was performed in three (3).ptually orthogonal axes of excitation, two (2) horizontal and One (1) '
vertical. The test consisted of amplitude nodulaic_d e sinusoids with peak horizontal and vertical accelerations of _ 10g's (except when limited by AETC shaker capabilities as . J listed below). The beat for a given frequency was 5 beats, 15 cycles / beat with a sufficient pause between beats to preclude any superposition of motion. The Sine Beats were performed at the following frequencies and acceleration _ . 6 levels: , SMB-2_-60 (AC)
. FREQUENCY (Hz) ACCEtERAT10E(g's) 2
' 2 3 -
,4 2.6 3.3 7.5 4
6.5 ~ .
" 165(1-9 Report No. _ z __
(
,i L, b'9 vaswa common a an )
l
3.4 Sine Beat Test (continued) SMB-2-60 (AC) FREQUENCY (Hz) ACCELERATION (g's) 5.3 8 6.6 - 10 Hori z. , 8 Vert 8 10 Horiz. , 8 Vert 10.6 10 13.2 10 16 10 20 10 26.6 10 32 10 42.6 10 53.2 10 64 - 10 B5.3 , 10 100 10 SMB-1-60 (AC) g FREQUENCY (Hz) ACCELERATION (g's) 2 3 2.6 4 3.3 7.5 4 9 f 5.3 10 L 6.6 10 8 10 g 10.6 10 g 10 l 13.2 16 10 L. 20 10 26.6 10 l- 10 , 32 I' 42.6 10 g. 53.2 10
- L P
l
+ 16511-9 Report No.
i b-l{ i vastme P'9' co mon a m l'A (. . e
)
l 1 . ( 3.4 Sine Beat Test (continued)
' SM8-1-60 (AC)_
ACCELERATION (g's)_
' FREQUENCY Hz 10 64 Performed only in the ?
91 . Vertical Axis 10 85.3 10 100 Ouring each beat, the actuator was operated by Limitorque personnel from limit switch-open position to torque seated-close position, and at each alternate beats, from torque During seated-close position to limit switch-open position. the Sine Beat Test on the SPE-2-60 (AC), a set of heat-aged { inside containment and outside containment limit switches
' were attached to the test fixture for visual monitoring by Limitorque personnel.
[ [ L L U L Report No. L
< .ma.mau. Poge -
[* acrom NTWllH
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b - 4.0 TEST RESULTS 4.1 Resonance Survey Test Results 4.1.1 SPE-2-60 (DC) Resonant frequencies were measured as follows: AXIS FREQUENCY Horizontal (H1) None Horizontal (H2) 100 Hz Undefined 125 Hz Undefined Vertical 160 Hz Limit Switch 155 Hz Motor 4.1.2 SMB-1-60 (DC) t Resonant frequencies were defined as follows: AXIS FREQUENCY I Horizontal (Ht ) 190 Hz Motor Horizontal (H2 ) 135 Hz Bottom Limit Switch Vertical 140 Hz Motor 180.Hz Motor 4.2 Sine Beat Test Results 4.2.1 SMB-2-60 (DCj The Sine Beat Test in the horizontal (H1 ) axis at
' 100 Hz, 10g's caused the unit to shut down. The Report No. ,g l
l Dav- 1 I E [v # 1 ._
= .
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I - . . . . . . . . -. . - - s f < 4.2.1 SMB-2-60 (DC) (continued) acceleratior, was lowered to Sg's at 100 Hz and the unit still shut down. The frequency was lowered to 95 Hz at 10g's and the unit shut down again. The frequency was {, lowered to' 90 Hz at 10g's and then functioned properly. It appeared the limit switches or torque switches were
,. sensitive to frequency in the 95 to 100 Hz range. No other anomalies were encountered in the axis.
The Sine Beat Test in the horizontal (H2 ) axis at 85.3 Hz, 10g's caused the unit to shut down. The i acceleration level was lowered to 7g's, 8g's, and 99's and the unit functioned properly at these levels. At
' 100 Hz,10g level the unit shut down 1 out of 3 times. - No other anomalies were encountered in this axis of ~
excitation. No anomalies were encountered for the Sine Beat { Test in the vertical axis. After testing in all three axes, limitorque personnel replaced the lower-limit switch set with a lowcr-standard-limit switch set. Sine L Report No. 16511-9 4 om.o, au. 10 Pope on compomanow
L L 4.2.1 SMB-2-60 (DC) (continued) beat excitation was performed as described in Section ( 3.4 in only the vertical axis of excitation. This test
.was performed to visually monitor structural integrity of the lower limit switch.
4.2.1.1 SRV Fatigue Test A sine sweep in the vertical axis from 10 to 70 Hz to 10 Hr at a level of 3g at a sweep rate of 1 octave / minute was performed. This test was perform-ed following the completion of all sine beat tests in accordance with customer request. (Refer to
~
Pages 23 and 24.) The unit was non-operating during sweep. g 4.2.2 SMB-1-60 (AC) The Sine Beat Test in the horizontal (H1 ) axis ? k produced no anomalies. The unit operated properly during a all excitation in this axis. The Sine Beat Test in the horizontal (H2 ) axis at 85.3 Hz and 100 Hz caused the limit switches to drop out. There were no other anomalies in this axis of excitation. The Sine Beat Test in the vertical axis of . excitation produced no anomalies. The unit operated properly during all vibration in this g g, l ENVWBOMBdENTAL {, Pos. _n ACTON componAnON fe . . . . . _ _ - . . _ _ .
- , - - -. - . . . .-,n, , . + - , . e-.-e , -
l l TEST EQUIPMENT LIST MFGR. MODEL SER.NO. RANGE ACCURACY INV.# CAL.FREQ. MAE Accelerometer PCB 302A 2845 1 Hz -5KHz 15% AC383 6 months -
. Accelerometer PCB 302A 1983 1 Hz - 5 KHz 15% AC440 6 months ! Accelerometer PCB 302A 672 1 Hz - 5 KHz 15% AC381 6 months ,
Accelerometer PCB 302A 695 1 Hz - 5 KHz 15% AC385 6 months Accelerometer PCB 302A 1779 1 Hz - 5 KHz 15% AC422 6 months
- Accelerometer PCB 302A 1808 1 Hz - 5 KHz
- 15% AC427 6 months .
I j Accelerometer PCB 302A 1780 1 Hz - 5 KHz 15% AC423 6 months Accelerometer PCB 302A 1809 1 Hz - 5 KHz 15% AC428 6 months Accelerometer PCB 302A 2853 1 Hz - 5 KHz 15% AC395 6 months W/B Decade Amplifier ALI 500A 858 5 to 1 Miz ildB Output 11% AM302 0FS 20V/20k Ohm PE311 6 months ' Digital Function Gener. MTS 410.31 894 0.00001 Hz to 990 Hz Output: 0 to 110V
~Ecrthquake Simulator b 908.34-01 24" DA max. 'S ampi PE367 6 months Hydraulic Actuator 204.635 DC-200 Hz, 22K force Ibs.
Controller MTS 443.115 DC to 2000 Hz 11% Power Supply Dennison Mod. 63 120 GPM Max. 3K-5K psi max 250 HP NA PE367 Power Supply PCB 483M23 288 12ChannelXI&X5gainfilter22% PE384 6 months Freq. 50 Hz y Scope, Storage TEK T912 T912 DC-10 MHz Dual Trace i3% 0S305 6 months
- 8015169 g Sweep Oscillator SDY SD-104-5 21A 0.005 Hz - 50 KHz 11% SG315 6 months .
Visicorder HON 1508 15-419 12 Channels, 8" Paper il db RE349 6 months f Electro Rent #43560 Visi 3-1-82 M N
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