NAVY MIL-R-24337 A-1990 ROPE NYLON EIGHT STRAND PLAITED《八个钢绞线编成的尼龙绳》.pdf
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1、1. SCOPE MIL-R-24337A 40 m 7777706 0423663 T m IINCH-POUNDI MIL-R-24337A(SH) 29 March 1990 SUPERSEDING 17 June 1968 (See 6,8) MIL-R-24337(SHIPS) MILITARY SPECIFICATION ROPE, NYLON, EIGHT STRAND PLAITED This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, a
2、nd is available for use by all Departments and Agencies of the Department of Defense. 1.1 Scope. This specification covers the requirements of 8 strand plaited nylon rope. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications. standards. and handbooks. The following specifi- cations
3、, standards, and handbooks form a part of this document to the extent: specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitati
4、on (see 6.2). SPECIFICATIONS FEDERAL W-T-81 - Tags, Shipping and Stock. PPP-F-320 - Fiberboard; Corrugated and Solid, Sheet Stock (Container Grade), and Cut Shapes. MILITARY MIL-C-3131 - Cordage; Packaging of. MIL-L-17331 - Lubricating Oil, Steam Turbine and Gear, Moderate MIL-L-19140 - Lumber and P
5、lywood, Fire-Retardant Treated. Service. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by usin
6、g the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 4020 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitt
7、ed without license from IHS-,-,-MIL-R-24337A 40 797ObO23bb4 3 STANDARDS FEDERAL FED-STD-191 - Textile Test Methods, (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tab
8、or Avenue, Philadelphia, PA 19120-5099.) 2.2 Non-Government mblications. The following document(s) form a part of this document to the extent specified herein, issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. documents not listed in
9、 the DODISS are the issues of the documents cited in the Solicitation (see 6.2). Unless otherwise specified, the Unless otherwise specified, the issues of AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 885 - Standard Methods of Testing Tire Cords, Tire Cord Fabrics, and Industrial Filament Yarn
10、s Made From Man-Made Organic- Base Fibers, (DoD adopted) Fibers. (DoD adopted) D 1141 - Standard Specification for Substitute Ocean Water. D 1577 - Standard Test Methods for Linear Density of Textile D 2257 - Standard Test Method for Extractable Matter in Yarns. D 2258 - Standard Practice for Sampli
11、ng Yarn for Testing. D 4268 - Standard Methods of Testing Fiber Ropes. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187 .) (Non-Government standards and other publications are normally available from These do
12、cuments also the organizations that prepare or distribute the documents. may be available in or through libraries or other informational services.) 2.3 Order of mecedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes pr
13、ecedence. 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), a sample shall be subjected to first article inspection (see 6.4) in accordance with 4.3. 3.2 ARDliCatiO
14、n. Unless otherwise specified, the requirements specified in 3.10 and 3.11 apply only to plaited nylon rope purchased directly by the Govern- ment. for an end item by a contractor and to plaited nylon rope purchased directly by the Government. All other requirements apply to plaited nylon rope purch
15、ased as a component 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3 Materials. The rope shall be fabricated from bright white, virgin continuous filament, heat and light resistant nylon fiber of at least six denier size, having at least 8.0 gra
16、ms per denier strength. chain polymer made of hexamethylene diamine and adipic acid, or a long chain polymer of epsilon amino caproic acid. employed in any one rope. The nylon shall be a long Mixtures of nylon fiber types shall not be 3.4 Construction. The ropes shall be made of 8 strands arranged i
17、n four pairs, where one individual strand shall be laid adjacent to the second strand in each pair and shall conform to the requirements Specified herein. strands of 3/4 through 4-1/2 inch circumference shall be made of one size of l-ply yarns, 5 inch circumference and larger shall be made of one si
18、ze of balanced 3-ply yarns and shall have equal numbers of yarns. group filaments conforming to the sizes specified in table I for the respective sizes of rope. Individual The single yarns shall be made from TABLE I. Construction. Rope size (circumference) ( inches ) Turns per foot minimum 3/4 to 4-
19、1/2 5 to 9 10 to 16 11 11 11 Denier of single yarns 5,000 to 35,000 15,000 to 35,000 24,000 minimum 3.4.1 Preparation. For single yarn construction the pattern shall be ZS and SZ. In the preparation of the constituent rope strands, the itSZS“ pattern shall be employed in the twisting of the singles
20、yarns, the 3-ply yarns and the individual strands of two pairs, while the components of the remaining pairs shall be twisted in the “ZSZ“ pattern. 3.4.2 Finished rope. The finished rope shall be constructed so that in the interweaving procedure, pairs of strands of the former structure shall be twis
21、ted in the “2“ direction, while alternating pairs of the latter structure shall be twisted simultaneously in the IS“ direction. its components with the exception of fibers shall not be permitted. Heat setting of the rope or any of 3.5 Physical requirements. The finished rope shall conform to the phy
22、sical properties specified in table II, when tested as specified in 4.6. The circum- ference in accordance with table II shall be as specified (see 6.2). 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ MIL-R-24337A 40 7797906 0421bbb 5 MIL-R-2433
23、7A(SH) TABLE II. Phvsical Droperties. Circumfer- ence at load P nominal (inches) 3/4 1 1-1/8 1 - 1/4 1 - 3/4 2 2 - 1/4 2 - 3/4 3 3 - 1/2 1 - 1/2 2 - 1/2 3 - 3/4 4 4 - 1/2 5 5 - 1/2 6 6 - 1/2 7 7 - 1/2 8 9 10 11 12 13 14 15 16 ro ler ancc ?lus or minus (inches) 1/16 1/16 1/16 1/16 1/16 1/16 1/8 1/8 1
24、/8 1/8 3/16 3/16 3/16 3/16 1/4 1/4 1/4 5/16 5/16 3/8 3/8 1/2 5/8 3/4 3/4 3/4 3/4 7/16 7/16 9/16 Diame t e f nominal (inches) 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 13/16 1 1-1/8 1 - 1/4 1 - 5/16 1 - 1/2 1 - 5/8 1 - 3/4 2 2 - 1/8 2 - 1/4 2 - 5/8 3 3 - 1/4 3 - 1/2 4 4-1/4 4-1/2 5 5 - 1/4 2-1/2 Load P
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