ARMY MIL-R-52000 C-1978 REELS CABLE FOR AIRFIELD AND HELIPORT LIGHTING SET《机场电缆卷轴和直升飞机场照明设备》.pdf

1、MIL-R-52000C (ME) 1 May 1978 . . SUPERSEDING MIL-R-52000B (ME) 30 October 1970 MILITARY SPECIFICATION REELS, CABLE, FOR AIRFIELD AND HELIPORT LIGHTING SETS This specification is approved for use by the Mobility Equipment Research and Development Command, Department of the Army, and is available for

2、use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers steel reels for electric cable and wire. 1.2 Classification. Reels shall be of the following types, as specified (see 6.2): Type I - Single section cable reel. Type II - Double section cab

3、le reel. 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documents of the issue in effect on date of invitation for bids or request for proposal form a part of this specification to the extent specified herein: SPECIFICATIONS FEDERAL QQ-S-781 PPP-B-601 - Strapping, Steel, and Seals. -

4、 Boxes, Wood, Cleated-Plywood. FSC 6210 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Mobility Equipment Research and Development Command, AT“: DRDMl3-DS, Fort Belvoir, VA 22060 by usi

5、ng the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-52000C b2 W i0b OLO83l14 i MIL-R- 5 2 O00 C (ME) PPP-B-6 36 PPP-B-6 40 M

6、ILITARY MIL-T-704 STANDARDS MI LITAY Mi L-STD- 10 5 MIL-STD-129 NIL-STD- 130 1fT.L-STD-1188 TA1 3 2 1 7374 9 8 TAl3217E7499 - Boxes, Shipping, Fiberboard. - Boxes, Fiberboard, Corrugated, Triple-Wall . - Treatment and Painting of Materiel. - Sampling Procedures and Tables for - Marking for Shipment

7、and Storage. - Identification Marking of US Military - Commercial Packaging of Supplies and Inspection by Attributes. Property . Equipment. - Reel, Cable. - Reel, Cable. (Copies of specifications, standards, and drawings required by contractors in connection with specific procurement functions shoul

8、d be obtained from the procuring activity or as directed by the contracting officer.) 2,2 Other publications, The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for propos

9、al shall apply, AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vessel Code, Section IX, Welding Qualifications. (Application or copies should be addressed to the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017,) 2 Provided by IHSNot for ResaleN

10、o reproduction or networking permitted without license from IHS-,-,-AMERICAN WELDING SOCIETY, INC (AWS) D1.1 - Structural Welding Code, Section 5, Qualification. (Application for copies should be addressed to the American Welding Society Inc., 2501 N.W. 7th Street, Miami, Fi, 33125.) 3. REQUIREMENTS

11、 3.1 Description. The cable reels shall be in accordance with the appli- cable drawings, and as specified herein. The reels shall be of steel and when loaded with 100 pounds of cable shall be capable of being lifted axially by the rim from two diametrically opposite sides without permanent deform- a

12、tion of any part of the reel. 3.1.1 Drawings. The drawings forming a part of this specification are end product drawings. tolerances is permissible without prior approval of the contracting officer. Where tolerances could cumulatively result in incorrect fits, the contractor shall provide tolerances

13、 within those prescribed on the drawings to insure correct fit, assembly, and operation of the cable reels. Any data (e.g., shop drawings, layouts, flow sheets, processing procedures, etc.) prepared by the contractor or obtained from a vendor to support fabrication and manu- facture of the productio

14、n item shall be made available, upon request, for inspection by the contracting officer or his designated representative. No deviation from the prescribed dimensions or 3.2 Material. Material shall be as specified .herein and on the appli- cable drawings. and shall be subject to all provisions of th

15、is specification (see 6.3). Materials not specified shall be selected by the contractor 3.3 Identification marking. The reels shall be identified in accordance with MIL-STD-130, 3.4 Treatment and painting. The reels shall be cleaned, treated, and painted in accordance with MIL-T-704, Type A. Color s

16、hall be No. 34087. 3.5 Typ e I reels. as specified herein. Type I reels shall be as shown on TAl3217E7498 and 3.6 Typ e II reels. Type II reels shall be as shown on TAl3217E7499 and as specified herein. 3.7 Workmanshie. The reels shall be free from defects or imperfections that might affect their se

17、rviceability or appearance. 3 r . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-52000C b2 997970b OLO3lb 2 MIL-R-5 2000C(ME) d 3,7,1 Steel.fabr$cation. Steel used in the fabrication of the reels shall be free from kinks and sharp bends. shall

18、 be done by methods that will not cause injury to the metal. and clipping shall be done neatly and accurately. and true. may be employed instead of shearing or sawing. cut material shall be ground or machined sufficiently to remove ash and cooling checks. A11 bends of a major character shall be made

19、 with metal dies or fixtures to insure uniformity of size and shape. be taken to avoid overheating, and heated metal shall be allowed to cool “he straightening of material Shearing Corners shall be square Flame cutting, using a tip suitable for the thickness of metal, Burned surfaces of flame- Preca

20、utions shall slowly . 3,7,2 TJelding. The surfaces of parts to be welded shall be free from rust, stale, paint, grease, mill scale that can be removed by chipping and wire brushing, and other foreign matter. out permanent deformation or failure when the parts connected by the welds are subjected to

21、proof arid service loading, welds shall be brought into as close contact as possible and in no event shall be separated by more than 3/16 inch unless appropriate bridging techniques are used. process used in fabrication of the reels shall be at the option of the contractor. Welds shall transmit stre

22、ss with- Parts to be joined by fillet Unless otherwise specified (see 6.2), the welding 3.7.3 covered officer Welders. Before assigning any welder to manual welding work by this specification, the contractor shall provide the contracting with certification that the welder has passed qualification te

23、sts as prescribed by either of the following listed codes for the type of weld- ing operations to be performed and that such qualification is effective as defined by the particular code: ATE Dl, 1 Structural Welding Code, Section 5, Qualification. ASME Boiler and Pressure Vessel Code, Section IX, We

24、lding Qualifications, Cantractors who make only horizontal welds need not qualify welders for “all position welding“. contractors standard welder qualification may be substituted in lieu of the above codes provided that the contractors procedure is equivalent to the above codes. automatic welding eq

25、uipment operators are capable of producing quality welds in accordance with AWS or ASME codes. Subject to approval by the Government, the The contractor shall be responsible for determining that 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5 Pro

26、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-5 20 O0 C ( ME) 4 3 gualicy conformance inspection. 4.3.1 Sampling. Sampling for examination and test shall be in accordance with MIL-STD-105, Inspection Level I. 4.3,2 Examination. Reels selected in

27、 accordance with 4.3.1 shall be AQL shall be 2.5 percent defective. examined in accordance with 4.4.1. 4.3.3 TesCs, Reels selected in accordance with 4.3.1. shall be tested as specified in 4.4.2. AQL shall be 2.5 percent defective. 4.4 Inspection-procedures, 4.4,l Examination. the following defects:

28、 The reels shall be examined as specified herein for Major 101. 102. Poor fit at joints, seams, or edges; misalinement, 103. Poor appearance of welds (porosity, flux inclusions, excessive Dimensions not as shown on the drawings. spatter, undercutting, lack of fusion with parent metal or between join

29、ts) . Treatment and painting not as specified. 104, Minor - 201, Identification marking missing, incomplete, or not legible. Reels shall be loaded with 100 pounds of cable and then 4,4.2 Test, lifted axially by the rim from two diametrically opposite sides, deformation to any part of the reel shall

30、constitute failure of this test. Permanent 4.5 Inspection. of packaging, 4.5.1 Quality. conformance inspection of pack. 4.5.1.1 Unit of.product. For the purpose of inspection, a completed pack prepared for shipment shall be considered a .unit of product. 4,5.1.2 Sampline Sampling for examination sha

31、ll be in accordance with MIL-STD-105 o 6 /- Y Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-52000C 62 9999906 OLO3L9 MIL-R-5 2000C (ME) 4.5.1.3 Examination. Samples selected in accordance with 4.5.1.2 shall be examined for the following defec

32、ts. AQL shall be 2.5 percent defective. 105. Materials and containers not as specified for Level A or B. Each incorrect material or container shall be considered one defect. Reels of unlike description packed together for Level A or B. Reels not secured within the box to prevent movement or damage f

33、or Level- A or B. Strapping not as specified for Level A or B. A, Level B, or Commercial. 106. 107. 108. 109. Marking missing, illegible, incorrect, or incomplete for Level 5. PACKAGING 5.1 Packing. fied (see 6.2). Packing shall be Level A, Level B, or Commercial as speci- 5.1.1 Level A. Reels of li

34、ke description shall be packed together in The reels close-fitting boxes conforming to PPP-B-601, Overseas Type, style optional, in quantities not to exceed the weight limitation of the box. shall be secured within the box in a manner to prevent movement or damage, Box closure and strapping shall be

35、 in accordance with the appendix to the box specification. Strapping shall conform to QQ-S-781, Class 1, Type I or IV, size as applicable. Unless otherwise specified (see 6.2), strapping shall be Finish A. 5.1.2 Level B. Reels of like description shall be packed together as specified in 5.1.1, excep

36、t boxes shall be Domestic Type. As an alternate, boxes conforming to PPP-B-640, Class 2, style optional or PPP-B-636, VC, Vllc, V13c, or Vl5c, style optional, may be used when the quantity to be packed does not exceed the gross weight or size limitation of the box speci- fication. dix to the applica

37、ble box specification. Box closure and strapping shall be in accordance with the appen- 5.1.3 Commercial. Reels shall be packed in accordance with MIL-STD-1188. 5.2 Marking. 5.2.1 Military. Marking for military levels of protection shall be in accordance with MIL-STD-129. 5.2.2 Commercial. Marking f

38、or Commercial packaging shall be in accor- dance with MIL-STD-1188. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-5 2000C(ME) 6, NOTES 6.1 Intended-use. The reels are intended for use in transporting, laying, and storing cable and wire used

39、 in airfield and heliport lighting sets. 6.2 Ordering data. Procurement documents should specify the following: (a) Title, number, and date of this specification. (b) Type required (see 1.2). (c) (d) When the welding process will not be at the option of the contractor (see 3.7.2). Degree of packing

40、required (see 5.1). 6.3 Recycled material. t is encouraged that recycled material be used when practical as long as it meets the requirements of the specification (see 3.2). Custodian: Army - Review activity: DLA - GS Preparing activity : Amy - ME Project 6210-A507 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-