1、- MIL-A-b377L 13 I 777770b 0352b08 7 I MIL-A-63991 (AR) 29 March 1988 MIL I TARY SPEC IF I CAT I ON ALTERNATOR, TURBINE (AIR DRIVEN) This Specification is approved for use within the U.S. Army Armament Munitions and Chemical Command, and is available for use by all Departments and Agencies of the De
2、partment of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements, quality assurance provisions, and packaging of the turbine alternator (T/A) for the M734 Multi-Option Mortar Fuze. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following
3、specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the
4、solicitation. SPECIFICATIONS MILITARY MIL-P-116 - Preservation, Method of Quality Requirements and Inspection MIL-A-4 80 78 - Ahnunition, Standard Quality Assur- ance Provisions, General Specifica- tion for AiSC N/A FSC 1390 DISTRIBUTION STATEMEhT A. Approved for public release; distribution is unli
5、mited. rTHIS DOCUMENT CONTAINS 3 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-b377L 13 777770b 0352609 7 m STANDARDS MILITARY MIL-STD- 10 5 MIL-STD-2 O2 MIL-STD-3 31 MIL-STD- 4 54 MIL-STD-1168 MIL-STD-1169 MIL-STD-45662 ei MIL-A-63991
6、 (AR) - Sampling Procedures and Tables for - Test Methods for Electronic and - Fuze and Fuze Components, Environ- - Standard General Requirement for Inspection by Attributes Electrical Component Parts mental and Performance Tests Electric Equipment (Requirement 5, Except Paragraph 4.3) - Ammunition
7、Lot Numbering - Packaging, Packing and Marking for Shipment of Inert Ammunition Components - Calibration of Standards 2.1.2 Other Government documents, drawinqs and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent spec
8、ified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS HARRY .DIAMOND LABORATORIES PRODUCT AND PACKAGING DRAWINGS 11722760 - Turbine alternator, air driven INSPECTION EQUIPMENT DRAWINGS 11730644 - Test Vehicle 11730 645 - Test Equipmen
9、t (Copies of specifications, standards, handbooks, drawings, and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2 Provided by IHSNot for ResaleNo reproduction or net
10、working permitted without license from IHS-,-,-MIL-A-63791 13 7777706 0352630 5 MIL-A-63991 (AR) 2.2 Order of precedence. In the event of aconflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets or: MS standar
11、ds), the text of this specification shall take precedence. Notling in this specification, however, shall supersede applicable laws and regulations unless a specif ic exemption has been obtained. 3. REQUIREMENTS 3.1 Materials. Materials shall be in accordance with the applicable drawings and specific
12、ations. 3.2 First article inspection ?roper functioning. The cleaning method used shall not be injurious to any of the parts, nor shall the parts be contaminated. . 3.9.1 Bearing radii surface. The bearing radii surface, which forms the bearing inner races, shall be free of any flats, pits, bumps, t
13、ool marks, or any other surface irregularities, in excess of the specified finish . 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as spe
14、cified herein. Except as otherwise specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any
15、of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Unless otherwise specified herein or in the contract, the provisions of MLL-A-48078 shall apply and are hereby made a part of this detail
16、specification. 4.1.1 Responsibility for compliance. All items must meet all requirements of section 3 and 5. The inspections set forth in this specification shall become a part of the contractors overall inspection system or quality program. The absence of any inspection requirement in the specifica
17、tion shall. not relieve the contractor of 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-63793 13 9999906 0352633 O MIL-A-63991 (AR) ? the responsibility of assuring that all products or supplies submitted to-.$he Government for acceptance c
18、omply with all not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of de f ect i ve mat er i a 1. 4.2 Classification of inspections. The following types of inspections shall be conducted on. this item: a. First article ins
19、pection b, Quality conformance inspection 4.3 First article inspection. . 4.3.1 Submission. The contractor shall submit a first article requirements of the contract, Sampling in quality conformance does sample as designated by the Contracting Officer for evaluation in accordance with provisions of 4
20、.3.2. The first article sample shall consist of the following items in sample quantities as indicated, Part Description Drawinq Number Quantity Alternator As,sembly 11722760 294 i0 Coil Assembly 11722766 11722764 10 Contact 10 10 Magnet Shaft and Washer Assembly 11730640 10 Shaft 11730641 117 30 64
21、2 10 Housing 11730643 10 End Plate Beating . 11730638 Turbine, 10 Blade Bobbin and Contact Assembly 11722765 10 Bobbin i1722763 Magnet 11722761 io Housing t Bearing Assembly 11723110 10 End Plate c L I- P C C c. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
22、rom IHS-,-,-MIL-A-b377L 13 m 77777Ob 0352blb b m n c al 3 .rl Li CI Li .4 4 al c .rl P Li 5 i3 v b Li O u m c Li al U rl 4 - E X L 0 w $ ZI U a W I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-p: .4 U rl Q rl 8 rl E 8 MIL-A-b377L 13 m 797770b 035
23、2625 7 I- ri rn dp dp dpdP *dP 8 aH, o o O0 O0 mm di di Wdi di- ww o o O0 00 O0 . .rl 01 li1 U .ri 18 U W Y, 3 W 4-l O c n v) W Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-63771 13 7779706 0352626 7 I d 8 rl E il U al c m z U III rl mm mm m
24、 m mm mm mm - m m mm dpdP *ow dP a dPa r! I+ m m m m mm 6 . * cr) mmm mm o 25 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-A-b3991 13 W 0b 0352b33 b I OO Ln Co O O O0 Ln Lnm Cu r-i O s U y-l c II) m O .d Q) 3 z CI amw 26 . k &*-I ma W o i Prov
25、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-A-63791 13 7977906 0352634 .L MIL-A- 6 3 9 9 1 ( AR) 4.4.3 Testinq. See 4.5 4.4.4 Inspection equipment. The inspection equipment required to perform the examinations and test prescribed herein is descr
26、ibed in the “Paragraph Reference/Inspection Method“ column in the tables starting with paragraph 4.4.2.1. Calibration procedures shall conform to MIL-STD-45662. The contractor shall submit for approval inspection equipment designs in accordance with the terms of the contract. See Section 6 of MIL-A-
27、48078 and 6.3 herein. 4.5 Methods of inspection. 4.5.1 Materials, components and processes. Compliance with all requirements of Section 3 of this specification shall be ascertained by current and continuing examination of inspection and test data to determine that all components (parts, subassemblie
28、s, and materials) have been inspected and tested and found to comply with their respective drawing and specificatiun requirements, and that all specified manufacturing processes have been followed. 4.5.1.1 Visual and mecJhaniea1 inspection. The visual, manual, tactile and mechanical inspections and
29、tests shall verify compliance with the requirements of Section 3 and 5 of this specification in accordance with 4.4.2 herein, Figure 1 and Table I. 4.5.2 Temperature humidity test. A canple of thirty alternators shall be selected, inserted into Zummy M734 fuze bodies or other Government approved tes
30、t vehicles and subjected to the test as specified in MIL-STD-331, procedure 105. The test unit shall then be disassembled and the alternator be tested in accordance with 4.5.8.4 and 4.5.8.5. Any alternator that does not meet the performance requirements of 3.3.1.2 shall be classified defective. See
31、Figure 1. . 4.5.3 Maqnet to shaft pull test. The magnet and shaft assembly (dws. 11730640) shall be held stationary and an axial force of 120 .- pounds -shall -be applied to the magnet fr 10 seconds. that separates or moves from the shaft shall be classified defective. Any magnet 4.5.4 Maqnet crack
32、test. The magnet (dwg. 11722761) shall be spun at a speed of 140,000 rpm for 15 seconds while being held in an approved shaft-like fixture. Any magnet: that loses its physical integrity in any way shall be classified defective. 4.5.5 Bearinq lubricant mixture test. Weigh the evaporation dish to be u
33、sed. Weigh a sample of mixture into the evaporation dish. The depth of lubricant shall be no greater than .O10 inch. Place in an oven set at 1800F 5 1OOF for two hours. Weigh the evaporating dish containing the residue and subtract the weight of 27 Provided by IHSNot for ResaleNo reproduction or net
34、working permitted without license from IHS-,-,-MIL-A-6397L I3 E 9797706 0352b35 T E MIL-A-63991 (AR) , the evaporation dish. The weight of the residue shall be between 9.52% and 10.53% of the original lubricant weight. If the above criteria are not met, the lubricant mixture has .failed this test. 4
35、:5.6 Searing lubricant useage ratio test. - Draw a sample of the mixture after it is used for bearing lubrication. Weigh the evaporation dish to be used. Weigh a sample of inixture in the , evaporation dish. The depth of the lubricant shall be no greater than .O10 inch. Place the sample in an oven s
36、et at 1800F + 1OOF for two hours. Weigh the evaporation dish containing the residue and substract the weight of the evaporation dish. The weight of the residue shall be between 9.52% and 12.5% of the original lubricant weight. If the above criteria are not met, the bearing lot lubricated with this m
37、ixture has failed this test. 4.5.7 Turbine to shaft pull test. The turbine alternator or shaft shall be held stationary and an axial pull force of 10 pounds shall be applies to the turbine. Any turbine that separates from ttie shaft shall be classified defective. This test is considered to be a dest
38、ructive test. Note: even though this is a destructive test, turbines may be removed and replaced and units can be returned to the lot after removing and replacing the 10 blade turbine, 11722762, and retesting at ambient temperature in accordance with 4.5.8.1. 4.5.8 Alternator output test. The altern
39、ator shall be mounted O in a government approved test Set-up (see dwgs. 11730644 and 11730645) and subjected to the pressure and temperature conditions specified below. temperature for at least two hours. The test shall be initiated within 15 seconds after the alternator has been removed from the co
40、nditioning chamber. adjustment). The alternator shall be tested in accordance with 4.5.8 and shall be adjusted and shall meet the requirements of 3.3.1.1.1, Any alternator that does not meet the requirement shall be classed defective and shall not be returned to the lot, 4.5.8.2 Low-pressure, low te
41、mperature test. The alternator shall be tested in accordance with 4.5.8 and at -50F shall meet the requirement of 3.3.1.1. requirement shall be classified defective. The alternator shall be conditioned at the required 4.5.8.1 Low pressure, ambient temperature test (parameter Any alternator that does
42、 not meet the 4.5.8.3 Low pressure, hiqh temperature test. The alternator shall be tested. in accordance with 4.5.8 and at +1450F shall meet the requirement of 3.3.1.1. requirement shall be classified defective. Any.alternator that does not meet the Provided by IHSNot for ResaleNo reproduction or ne
43、tworking permitted without license from IHS-,-,-. MIL-A-63771 13 m 9779706 0352636 1 H MIL-A-63991 (AR) 4.5.8.4 Hiqh pressure, low temperature test. The alternator shall be tested in accordance with 4.5.8 and of -5OOF shall meet the requirement of 3.3.1.2. Any alternator thatdoes not meet the requir
44、ement shall be classified defective. 4.5.8.5 Hiqh pressure high temperature test. The alternator shall be tested in accordance with 4.5.8 and at +1450F shall meet the requirement of 3.3.1.2. Any alternator that does not meet the requirement shall be classified defective. 4.5.9 Coil resistance. The d
45、irect current resistance of the coil winding shall be measured using method 303 of MIL-STD-202 and shall meet the requirements of 3.3.2. 4.5.10 Bearinq Freeness. Carefully insert a needle gage between two balls of the bearing. Gently drive the ball complement for at least 900 of rotation, all 13 bal
46、ls shall rotate in the raceway, any bearing that exhibits restraint of ball movement within the 900 shall be classed defective. This test shall be .performed after the bearing ball complement has been size to .lo22 as per drawing (11723110 and 11723111) . 5. PACKAGING 5.1 Packinq. Alternators shall
47、be packaged in a clean economical container. The container shall limit the motion of the device within the container to 0.020 inch maximum in any direction, in accordance with MIL-P-116. 5.2 Marking. In addition to any special marking required by the contract, unit packages, intermediate packages, a
48、nd shipping. containers shall be marked in accordance with the requirements of MIL-STD-1169. 5.3 Records 5.3.1 Lot numberinq. Lot numbering shall be as specified in MIL-STD- 1168. 6. NOTES 6.1 Intended use. The turbine alternator, air driven, is designed to provide a high reliability source of elect
49、rical power for electronics and mechanical power for arming in fuze, mortar: mu1 ti-option M734. 6.2 Ordering data. See MIL-A-48078. 29 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-6397L 13 m 06 0352637 3 m MIL-A-63991 (AR) b 6.3 Submission of designs for approval. See 6.2
