1、MILk-18473B (SH) 24 November. L978 SUPERSEDING MIL-G-l8473A(SHIPS) 7 August 1956 ,(See 6.5) MILITARY SPECIFICATION GENERATORS, MOTORS, AND AUXILIARY EQUIPMENT, DIRECT CURRENT, NAVAL SHIP PROPULSION This specification is approved for use by the Naval Sea Systems Command and is available for use by al
2、l Departments and Agencies of the Depart- ment of Defense. 1. SCOPE 1.1 SCOP. 2. APPLICABLE D0CUMEWl“T 2.1 Issues of documents. This specification covers direct current (d.c.) generators, motors, and auxiliary equipment for naval ship propulsion service. The following documents of the issue in effec
3、t on date of invitation-is or request for proposal form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL FF-B-171 - Bearings, Ball, Annular (General Purpose). “-1-538 - Insulation, Electrical, Pasted-Mica. QQ-A-250 - Aluminum and Aluminum Alloy Plate and Sheet; Gen
4、eral Specification QQ-A-250/1 - Aluminum Alloy 1100, Plate and Sheet. QQ-A-250/8 - Aluminum Alloy 5052, Plate and Sheet. QQ-1-666 - Iron, Malleable, Ferretic, for Castings. QQ-S-365 - Silver Plating, Electrodeposited; General Requirements for. QQ-S-571 - Solder, Tin Alloy: Lead-Tin Alloy; and Lead A
5、lloy. QQ-T-390 - Tin Alloy Ingots and Castings, and Lead Alloy Ingots and Castings (Antifriction Metal) for Bearing Applications. GGG-P-781 - Puller, Mechanical Puller Attachment, Meohanical, and Puller Set, Mechanical. for. MILITARY MIL-M-14 - Molding Plastics and Molded Plastic Parts, Thermosettin
6、g. MIL-P-79 - Plastic Rods and Tube, Themsetting, Laminated. MIL-B-117 - Bags, Sleeves and Tubing-Interior Packaging. CIL-E-233 - Boxes, Repair Parts, Storage. MIL-S-901 - Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment MIL-E-917 - Electric Power Equipment, Basic Requirements for (Na
7、val Shipboard MIL-E-2036 - Enclosures for Electric and Electronic Equipment, Naval Shipboard. MIL-M-2130 - Motor-Generators, General Purpose (Naval Shipboard Use). MIL-C-2212 - Controller, Electric Motor, AC or DC and Associated Switching Devices, Naval Shipboard. MIL-G-3111 - Generators, Electric,
8、Direct-Current (Naval Shipboard Use). MIL-B-3743 - Brush, Electrical Contact. and Systems, Requirements for. Use). Beneficial comments (recomndations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval ShJp Engineering
9、 Center, SEC 6124, Department of the Navy, Washington, DC 20362 by using the self-addressed Standardization Document Improvement Proposal (Dp Form 1426) appearing at the end of this document or by letter. i . FSC 6115 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
10、se from IHS-,-,-1 B MIL-G-184738 hL = 99999Oh 0087367 O m MIL-G-18473B (CH) MILITARY (Continued) MIL-P-5425 - Plastic, Sheet Acrylic, Heat Resistant. MIL-P-15024 - MIL-P-15024/5 MIL-P-15037 - MIL-T-15377 - MIL-E-16298 - MIL-F-16377 - MIL-F-16 377/1 MIL-0-16485 - MIL-M-17060 - MIL-M-17413 - MIL-B-179
11、31 - MIL-F-18953 - MIL-C-19836 - MIL-S-20166 - MIL-H-22577 - MIL-S-23284 - MIL-1-24092 - MIL-1-24178 - MIL-P-24364 - MIL-P-24 364/3 MIL-M-24365 - WD-24508 - MIL-W-30508 MIL-1-45208 - STANDARDS MILITARY MIL-STD-167-1 MIL-ST-167-2 MIL-STD-195 - MIL-STD-278 - MIL-STD-408 - MIL-STD-454 - MIL-STD-470 - M
12、IL-STD-471 - MIL-STD-721 - MIL-STD-740 - MIL-STD-756, - MIL-STD-758 - MIL-STD-785 - Plates, Tags and Bands for Identification of Equipment. - Plates, Identification. Plastic Shee t, Laminated , Thermosetting , Glass-Cloth , Melamine- Temperature Monitor System, Naval Shipboard. Electric Machines Hav
13、ing Rotating Parts and Associated Repair Fixtures, Lighting; and Associated Parts Shipboard Use, General - Fixture Light, Incandescent, Detail Lighting far Motors and Ohmmeters, Insulation-Resistance-Indicating, Portable. Motors, 60-Hertz, Alternating Current, Integral-Horsepower, Motors, Direct-Cur
14、rent, Integral H.P. Naval Shipboard. Bearing, Ball, Annular, for Quiet Operation. Fans, Vaneaxial and Tubeaxial, Fixed and Portable, Ventilation Coolers, Fluid, Industrial, Air Motor and Generator, Naval Steel Structural Shapes, Weldable Medium Carbon and High Tensile; Heating Elements, Electrical;
15、Cartridge, Strip and Tubular Type. Steel Forgings, Carbon and Alloy, for Shafts, Sleeves, Couplings, Insulating Varnish, Electrical, Impregnating, Solvent Containing. Insulation Tape, Electrical, Semi-cured Thermosetting Resin Plastic Sheets , Laminated, Thermosetting, Electrical Insuating - Plastic
16、 Sheets, Laminated, Themsetting, Electrical Insulating Maintenance Engineering Analysis; Establishment of and Procedures Grease, High Performance, Multi-PurpoSe (Metric). Wire, Armature Banding. Inspection System Requirements. Resin. Parts, Packaging of. Specification for. Generators, Symbol 126.3,
17、50 Watts, 120-Volts. Shipboard Use. and Air Conditioning, Naval Shipboard. Shipboard. Hull and Structural. and Stacks (Rudders and Diving Planes). Treated Glass, Armature Banding, Naval Shipboard. Sheet. Glass-Mat. Sheet, Polyester Glass-Mat Grade GPO-N3. and Format for Associated Documentation; Gen
18、eral Specification for. - Mechanical Vibrations of Shipboard Equipment (Type I - Environ- mental and Type II - Internally Excited). - Mechanical Vibrations of Shipboard Equipment (Reciprocating Machinery and Propulsion System and Shafting) Types III, IV ana v. Marking of Connections for Electrical A
19、ssemblies. Fabrication Welding and Inspection; and Casting Inspection and Repair for Machinery, Piping and Pressure Vessels in Ships of the United States Navy. Brushes, Electrical Contact, Rectangular Standard Designs and Dimensions for. Standard General Requirements for Electronic Equipment. Mainta
20、inability Program Requirements (for Systems and Maintainability Verification/WnOnstration/Evaluation. Definitions of Effectiveness Terms for Reliability, Maintain- Airborne and Structureborne Noise Measurements and Acceptance Reliability Prediction. Packaging Procedures for Submarine Repair Parts Ut
21、ilizing Trans- Regiability Program for Systems and Equipment Development and %uipments). ability, Human Factors, and Safety. Criteria of Shipbuilding Equipment. parent, Flexible, Heat Sealable Film. Production. MIL-STD-882 - _. - System Safety Program Requirements. MIL-STD-1472 - Human Engineering D
22、esign Criteria for Military Systems, Equip- ment and Facilities. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-18473B 61 m 7979906 0087368 2 m MIL-G-18473B (SH) MILITARY (Continued) MC 90363 - Box, Fiberboard, With Cushioning Insert* Limited
23、Re-Use (For Items 10 Pounds or Less). HANDBOOK MILITARY MIL-HDBK-472 - Maintainability Prediction. PUBLICATION MILITARY NAVSEA 0908-LP-000-3010 - Surface Ship Shock Design Criteria. DRAWING MILITARY NAVSHIPS 9000-S6202-74427 - Switch Box, Toggle. (Copies of specifications, standards, drawings, and p
24、ublications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) the extent-i- Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shal
25、l apply. 2.2 Other ublications. The following documents form a part of this specification to AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 8209 - Aluminum-Alloy Sheet an Plate. Materials, 1916 Race Street, Philadelphia, PA 19103.) UNIFORM CLASSIFICATION COMMITTEE (Application for copies should b
26、e addressed to the American Society for Testing and Uniform Freight Classification Ratings, Rules and Regulations. (Application for copies should be addressed to the Uniform Classification Committee Agent, G. F. Earl, Tariff Publication Officer, Room 1106, 222 South Riverside Plaza, Chicago, IL 6060
27、6.) NATIONAL CLASSIFICATION BOARD National Motor Freight Classification Classes and Rules. (Application for copies should be addressed to the ATA Tariff Section, 1616 P Street, (Technical society an technical association specifications and standards are generally N.W., Washington, DC 20036.) availab
28、le for reference from libraries. They are also distributed among technical groups and using Federal agencies.) 3. REQUIREMENTS 3.1 Sample for first article ins ection. Prior be tested as specmem4- e to beginning production a sample shall 3.2 Materials. Unless otherwise specified (see 6.2.11, materia
29、ls shall be in accordance with MIL-E-917, and shall be as specified in table I. all equipment, material, and articles incorporated in the products covered by this specifi- cation shall be new and shall be fabricated using materials produced from recovered materials to the maximum extent practicable
30、without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used o
31、r rebuilt products is allowed under this specification unless otherwise specifically specified. Unless otherwise specified herein, 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-L473B bL 77777Ob 00873b7 4 Item Material Ball Bearings Ball bea
32、ring Cap cartridges - - - - - - - - Steel Malleable iron Brushes Brush holders: (a) Holders (b) Springs (c) Washers and bushings - Steel or brass Steel Mica or pressed mica plate Plastic Plastic Transparent cover Aluminum Plastic Eyebolts, lifting Steel MIGG-184739 (SR) Item number Remarks 1 MIL-B-
33、1 7 9 3lor FFIB-4 2 Grade I, QQ-1-666 - 3 Bearing shells 4 MIL-B-3743 and MIL-ST-408 5 - Protected for corrosion prevention “-1-5 38 Mineral-filled type, mlding-compounds (glass fiber rein- forced) of MIL-E-917 Type GME, MIL-P-15037; or MIL-P-79; or MIL-P-24364 and MIL-P-24364/3, glass polyester, gr
34、ade GPO-N3 Steel shall be treated for corrosion- resistance - 6 7 shells Copper I Commutator segments I Hard drawn, hard-rolled or drop forged 8 9 Cormnutator insulation Mica or pressed mica I plate “-1-5 38 - Grade I, QQ-1-666 10 Covers, hand hole or Steel access QQ-A-250 and QQ-A-250/1 or QQ-A-250
35、/8; or ASTM B209, alloy 1100 or 5052 MIL-P-5425 _i - 11 Type B, grade M, MIL-S-20166 12 13 Steel Fans, separate - Frames 4 MIL-F-18953 1 14 1 5 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-L473B 61 m 7777706 0087370 O m Item numbrir 16 Ite
36、m Material Remarks Grease cups and pipes Steel - 17 18 (a) Sleeve bearings (b) Ball bearings Heaters, apace - MIL-H-22577 Heat exchangers MIL-C-198 36 - - - - - - - - - Brass Antifriction metal (copper - or aluminum) Steel I 21 Punchings, annature, and I I field polyester, grade GPO-Ni forged, lamin
37、ated Fabricated, cast, I Nonaging, low hysteresis I 1 Terminal5oards and clamps - I i; I Shaft or MIL-P-24364 and I MIL-P-24 364/3, glass 27 Plastic Type GME, MIL-P-15037; or MIL-P-24364 and MIL-P-24 364/3, glass polyester, grade GPO-Ni MIL-M-14 1 1: I Terminal boxes, terminal box covers, housings,
38、and ducts Varnish, insulation - - - - - - - Steel Malleable iron Grade I, type A, QQ-1-666 Aluminud - - nutors. ?Class I may be substituted when acceptable to the command or OQQ-A-250/1 and QQ-A-250/8 or ASTM B209, alloy 1100 or 5052. I, / agency concerned. 5 , _- .- ,Y Provided by IHSNot for Resale
39、No reproduction or networking permitted without license from IHS-,-,-MIL-G-18LI73B b3 7777706 0087373 2 = MIL-G-18473B (CH) - 3.2.1 Prohibited materials. 3.2.1.1 General. Materials prohibited by MIL-E-917 shall not be used. Asbestos and cadmium shall mt be used. 3.2.1.2 Submarines. For shipboard sub
40、marine applications, propulsion motors, gener- ators, and auxiliaries shall not contain metallic mercury or mercury compounds, and shall be free from mercury contamination. That is, during the manufacturing process, examination, or tests, the equipment shall not have come in direct contact with merc
41、ury or any of its compounds, nor with any mercury containing devices employing only a single boundary of containment. 3.2.2 Nonstructural parts, such as terminal boxes, housing, ducts, and similal; parts, shall be fabricated from aluminum or aluminum alloy, where feasible. 3.2.3 Electrical insulatio
42、n. Electrical insulation shall be class B, F, or H as specified (see 6.2.1), and shall conform to MIL-E-917, except that silicones shall not be . used. In no case shall untreated fiber glass insulation be utilized as ground insulation. Treated fiber glass insulation may be utilized as ground insulat
43、ion only when more than one layer is applied. where the glass-cloth is utilized solely as a backing for the mica insulation. contractordish the services of qualified engineers, reqularly employed by the contractor, to provide direction and assistance in the installation of the equipment covered here
44、in. Similarly, such engineers shall also be available for making adjustments, checking and testing themequipment after installation and during dock and sea trials of the ship. The use of glass-cloth-backed mica as ground insulation is acceptable 3.3 Engineerin services. When engineering services are
45、 specified (see 6.2.11, the 3.4 Design. 3.4.1 General. Generator and motors shall conform to MIL-E-917, except as specified herein. 3.4.1.1 Operating characteristics. The design of all motor and generators shall be matched to provide stable operation under all steady state, maneuvering, and reverse
46、condi- tions. be a minimum consistent with other design considerations. Specific limits, where specified (see 6.2.11, shall not be exceeded. Time required for each reversal, and ahead and astern reach for each reversal shall - 3.4.1.2 Life (endurance). The life expectancy of the propulsion motors an
47、d generators shall be 150,0ours of operation over a period of 30 years. Life shall be predicted on: (a) 20,000 hours at rated-load. (b) 90,000 hours at 60 percent rated-load. (c) 40,000 hours at 40 percent rated-load. The design shall be such that parts which are not classified as on board repair pa
48、rts shall not be replaced or repaired between overhauls of the generator or motor, except where damage is incurred due to external causes unrelated to the design. The design shall minimize the need for replacement of parts which are in the on board repair parts category between ships overhaul period
49、s. 3.4.1.3 Reliabilit . The contractor shall develop, submit for review, maintain and implement a reliability Program and plan using MIL-STD-785 as a guide (see 6.2.2). reliability program shall include the management/technical resources, plans, procedures, schedule, and controls for the work needed to assure achievement of reliability requirements. When satisfactory to the contr
