1、Comments, suggestions, or questions on this document should be addressed to U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000 or emailed to DAMI_STANDARDIZATIONconus.army.mil. Since contact in
2、formation can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil/online/. AMSC N/A FSC 2590 INCH-POUND MIL-DTL-62366D(AT) 07 July 2010 SUPERSEDING MIL-DTL-62366C(AT) 30 September 1998 DETAIL SPECIFICATION RING ASSEMB
3、LIES, ELECTRICAL CONTACT This specification is approved for use by the U.S. Army Tank-automotive and Armaments Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification defines the requirements for t
4、wo electrical contact ring assemblies, referred to herein as “slip ring assemblies”, for use on military ground vehicles (see 6.1). 1.2 Classification. The slip ring assemblies covered by this specification will be of the following classes, as specified in table I (see 6.2 and 6.5). TABLE I. Classif
5、ication of slip ring assemblies. Number of rings Control Class Power Signal Data Shield I 2 15 II 6 11 16 5 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents in other sections of
6、this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
7、,-MIL-DTL-62366D(AT) 2 specified requirement documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the
8、 extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). FEDERAL STANDARDS FED-STD-595/24533 - Seafoam Green, Navy DEPARTMENT OF DEFENSE STANDARDS MIL-STD-202 - Test Methods for Electronic and Electrical Component
9、Parts, or Equivalent (See 4.3.1) MIL-STD-810 - Environmental Test Methods and Engineering Guidelines, or Equivalent (See 4.3.1) MIL-STD-1275 - Characteristics of 28 Volt DC Electrical Systems in Military Vehicles DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-6083 - Hydraulic Fluid, Petroleum Base, fo
10、r Preservation and Operation MIL-PRF-22750 - Coating, Epoxy, High Solids MIL-PRF-23827 - Grease, Aircraft and Instrument, Gear and Actuator Screw MIL-PRF-46170 - Hydraulic Fluid, Rust Inhibited, Fire-Resistant, Synthetic Hydrocarbon Base (Unless otherwise indicated, copies of the above specification
11、s, standards, and handbooks are available from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094 or https:/assist.daps.dla.mil/quicksearch/.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, dr
12、awings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract (see 6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62366D(AT)
13、 3 ARMY DRAWINGS 12265512 - Ring, Electrical Contact (M901) 12310155 - Slip Ring Assembly, Electrical Contact (M981) (Copies of these documents are available from dami_standardizationconus.army.mil or U.S. Army RDECOM, Tank Automotive Research Development, and Engineering Center, ATTN RDTA-EN/STND/T
14、RANS, MS #268, 6501 E 11 Mile Road, Warren, MI 48397-5000) 2.3 Non-Government documents. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. (see 6.2). NATIONAL
15、 AEROSPACE STANDARDS COMMITTEE (NA/NAS) NASM90726 - Screw, Cap, Hexagon Head (Finished Hexagon Bolt), Steel, Grade 5, Cadmium Plated, UNF-2A (Copies of this document may be purchased from the Aerospace Industries Association of America 1000 Wilson Boulevard, Suite 1700, Arlington, VA 22209-3928. or
16、website http:/www.aia-aerospace.org.) NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA) NEMA-HP4 - Electrical and Electronic FEP (Fluorinated Ethylene Propylene) Insulated High Temperature Hook-Up Wire, Types KT (250 V), K (600 V), and KK (1000 V). NEMA-WC-27500 - Standard for Aerospace and Indus
17、trial Electrical Cable (Copies of NEMA documents are available from www.nema.org or National Electrical Manufacturers Association, 1300 North 17th Street, Suite 1752, Rosslyn, VA 22209.) SAE INTERNATIONAL SAE AS22759/7 - Wire, Electric, Fluoropolymer-Insulated, Abrasion Resistant Extruded PTFE, Medi
18、um Weight, Silver-Coated Conductor, 600 Volt SAE AS81044/6 - Wire, Electric, Crosslinked Polyalkaline Insulated, Tin-Coated Copper, Normal Weight, 600-Volt, 150 Degrees C (Copies of SAE International documents are available from www.sae.org or SAE Customer Service, 400 Commonwealth Drive, Warrendale
19、, PA 15096-0001.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62366D(AT) 4 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence.
20、Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2 and 6.3), a sample shall be subjected to first article inspection in accordance with 4.1.1. 3.2 Design and construct
21、ion. The slip ring assembly shall consist of a housing and mounting base assembly, a brush block and terminal assembly, and a rotor assembly, in accordance with the following drawings and 3.2.1 through 3.2.3 (see 4.3.3): Class I - Class I slip ring assemblies shall be in accordance with Drawing 1226
22、5512 Class II - Class II slip ring assemblies shall be in accordance with Drawing 12310155 3.2.1 Housing and mounting base assembly. A housing and mounting base assembly with seals shall provide a splash proof enclosure and suitable mounting provisions (see 4.3.3.1). 3.2.2 Brush block and terminal a
23、ssembly. A brush block and terminal assembly shall consist of two spring loaded brushes per ring with barriers that will positively retain the brushes in the conducting area (see 4.3.3). 3.2.3 Rotor assembly. The rotor assembly shall be internally and mechanically retained to prevent axial motion re
24、lative to the housing. The number, type, and performance characteristics of the rings shall be as specified in 3.4.6 (see 4.3.3). 3.2.4 Interface requirements. The hookup wires shall be as specified in tables II and III (see 4.3.3.2). TABLE II. Class I hookup wire requirements. Pin Wire type and siz
25、e Alternate wire type and size A, B, D, E, F, G NEMA-WC27500-16RC2S05 NEMA-WC27500-16ME2T08 H through M, U, V NEMA-WC27500-16RC4S05 NEMA-WC27500-16ME4T08 P, T, R SAE-AS22759/7-6 NEMA-HP4 or SAE-AS81044/6-8 W, X SAE-AS22759/7-6 MIL-W-16878/12-KK-4 or MIL-W-81044/6-12 C, O Shield return Shield return
26、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62366D(AT) 5 TABLE III. Class II hook up wire requirements. Connector Pin Wire type and size J1 A, D 2 - # 6 Braided B, C, E, F SAE-AS81044/6-8-9 J2 A through F, J through M, P, NEMA-WC27500-20M
27、L2T08 R through Z, a, b, c, e, f, g, h H NEMA-WC27500-20ML1T08 G, N, W, d, j Shield return 3.3 Materials. Materials used shall be in accordance with applicable drawings (see 3.2 and 3.3.1 through 3.3.6). When not thereby designated, the materials shall be in accordance with the manufacturers materia
28、ls specifications for slip ring assemblies and shall meet all of the operating and environmental requirements as specified herein (see 4.3.4). 3.3.1 Metals. All metals used in the slip ring assembly shall be of corrosion resistant type or shall be suitably protected to resist corrosion during the li
29、fe of the assembly. The use of dissimilar metals shall be avoided, unless suitably treated to resist galvanic corrosion (see 4.3.4). 3.3.2 Fungus resistance. All slip ring assembly materials shall be fungus non-nutrients (see 4.3.4.1.). 3.3.3 Castings. If castings are used, the casting material, typ
30、e, and quality shall be as specified in the contract or order (see 4.3.4 and 6.2). 3.3.4 Seals. Seals shall be made of material compatible with MIL-PRF-6083, MIL-PRF-46170, or commercial equivalents, and water (see 4.3.4). 3.3.5 Sealed bearings. Bearings shall be thoroughly cleaned and then filled a
31、t least 80 percent (%) with grease conforming to MIL-PRF-23827, or equivalent (see 4.3.4). 3.3.6 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets o
32、r exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.4 Operating requirements. Slip ring assemblies shall meet the operational requirements as specified in 3.4.1 through 3.4.8 (see 4.3.5). 3.4.1 Starting torque. The torque required to ini
33、tiate motion of the rotor assembly shall not exceed 62.5 pound-force inch (lbf-in) (7.1 Newton-meters (N-m) (see 4.3.5.1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62366D(AT) 6 3.4.2 Normal speed. The slip ring assembly shall operate a
34、t a continuous speed of 7.5 revolutions per minute (rpm) (see 4.3.5.2). 3.4.3 Maximum speed. The slip ring assembly shall intermittently operate at 12 rpm without sustaining damage or degrading performance (see 4.3.5.3). 3.4.4 Stopping. The rotor shall be brought from a rotational speed of 7.5 rpm t
35、o a complete stop in no more than 0.250.05 seconds without sustaining damage or degrading performance (see 4.3.5.2). 3.4.5 Static limit load capacity. The slip ring assembly, including the base, shall be capable of transferring each of the load combinations listed below without degrading electrical
36、performance and without permanent structural deformation. The loads listed below shall be applied in the coordinate system as specified in figure 1 (see 4.3.5.4). a. 1000 pounds (lb) (454 kilograms (kg) vertically (down) applied combined with 350 lb (160 kg) horizontally applied to the slip ring ass
37、embly to produce a torque of 6000 (lbf-in) (677 N-m) about any axis in the horizontal plane. b. 500 lb (227 kg) applied along any axis in the horizontal plane. c. 200 lb (91 kg) vertically (up) applied along the z-axis. 3.4.6 Electrical. 3.4.6.1 Power rings. The power rings shall function with maxim
38、um input voltage for fault free, battery only conditions and single fault conditions as specified in MIL-STD-1275. The steady state voltage shall not exceed 33 V. Class I and class II power rings shall be as specified below (see 4.3.5.5.1 and 4.3.5.5.1.1). Class I - Class I power rings shall be desi
39、gnated as numbers 1 and 2 and shall transmit a current of 190 amperes (A) with surges of 500 A for up to 20 milliseconds (ms). Class II - Class 2 power rings shall be designated as numbers 33 through 38. Rings 37 and 38 shall be high power rings and shall continuously transmit a current of 190 A, wi
40、th surges of 500 A for periods up to 20 ms. Rings 33 through 36 shall be low power rings and shall continually transmit current up to 50 A, with surges of 70 A for periods up to 20 ms. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62366D(AT
41、) 7 NOTES: 1. Or commercial equivalent. 2. Apply to surface indicated, 2.34 in. (5.94 cm) above base. Load applied via attaching bolt holes. 3. Combined load case A. 4. Load case B. 5. Load case C. 6. Combined load applied 180 apart. 7. Screw length may be altered provided that suitable engagement o
42、f mating nut is maintained. 8. Torque to 180-190 lbf-in (20 to 21 N-m). 9. The Z axis is designated as vertical. 10. All axes within the x-y plane are designated as horizontal. FIGURE 1. Coordinate system, slip ring assembly. 200 lb (61 kg) (UP) /5X Z UP BOTTOM OF BASE NASM90726-63 /1 /7 /8 W/FLAT W
43、ASHER, 3 PLACES NASM90726-73 /1 /7 /8 W/FLAT WASHER, 4 PLACES DOWN Y 1000 lb (454 kg) /2 /3 /6 6 INCH (15 cm) RADIUS /3 ATTACHING BOLT HOLES 350 lb (160 kg) /2 /3 /6 500 lb (152 kg) /2 /4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-62366D
44、(AT) 8 3.4.6.2 Control rings. The control rings shall function with maximum input voltage for fault free, battery only conditions and single fault conditions as specified in MIL-STD-1275. The control rings shall be capable of transmitting Transistor-Transistor Logic (TTL) levels of 0.00.5 volts (V)
45、direct current (dc) through 2.50.5 Vdc. The steady state voltage shall not exceed 33 V. Class I and class II control rings shall be as specified below (see 4.3.5.5.2 and 4.3.5.5.2.1). Class I - Class I control rings shall be designated as numbers 3 through 17. Class I control rings shall transmit a
46、continuous current of 7 A, with surges of 10 A allowed for not greater than 40 seconds, surges of 50 A allowed for not greater than 3 seconds, and surges of 100 A allowed for not greater than 0.8 seconds. Class II - Class II control rings shall be designated as numbers 1 through 32. Control rings nu
47、mbered 1 through 6 and 8 through 12 shall provide discrete control and transmit current as specified in 3.4.6.2.a. Control rings, numbered 14 through 19, 21 through 26, and 28 through 31, shall be capable of digital data transmission and shall transmit current at frequencies between 100 kilohertz (k
48、Hz) and 1 megahertz (MHz). 3.4.6.2.1 Capacitance. The capacitance of each control circuit, between each conductor and its shield, with the shield and the slip ring assembly housing connected to ground, shall not exceed 600 picofarads (pF) (see 4.3.5.5.2.2). 3.4.6.2.2 Noise. Measured across any two r
49、ing leads with all brush leads shorted together, control ring noise level shall not exceed 400 microvolts (V) peak-to-peak (see 4.3.5.5.2.3). 3.4.6.3 Common requirements for power and control rings. 3.4.6.3.1 Dielectric withstanding voltage. The slip ring assembly shall be capable of withstanding 500 volts root mean square (V rms), 60 hertz (Hz), for 15 seconds between mut
