ARMY ZZ-T-1619 C-1991 TIRES PNEUMATIC AGRICULTURAL《农业用充气轮胎》.pdf

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1、22-T-1619C May 30, 1991 SUPERSEDING 22-T-1619B July 15, 1977 FEDERAL SPECIFICATION TIRE, PNEUMATIC, AGRICULTURAL This specification was approved by the Commissioner, Federal Supply Service, General Service Administration for the use of all Federal agencies. 1. SCOPE AND CLASSIFICATION 1.1 SCOPE. Thi

2、s specification covers new and retreaded pneumatic tires, both tube and tubeless type for use on agricultural type vehicles. 1.2 CLASSIFICATION. 1.2.1 STYLES, GROUPS TYPES AND CLASSES. Tires shall be of the following styles, groups, types, and classes. Style X - New Style Y - Retreaded Group 1 - Dri

3、ve Wheel Tires Class R-1 Regular Tread Class R-2 Class R-3 Shallow Tread Class R-4 Industrial, Intermediate Tread Group 2 - Front Tires Class F-1 Single Rib Class F-2 Multiple Rib Class F-3 Industrial, Multiple Rib Group 3 - Implement Tires Class 1-1 Rib Tread Class 1-2 Moderate Traction Class 1-3 T

4、raction Tread Class 1-6 Smooth Tread Cane and Rice Deep Tread Type BA - Bias, tubeless Type RA - Radial, tubeless Type BB - Bias, tube-type Type RB - Radial, tube-type Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-9999974 014842b 738 = 1.2.2 SIZES

5、AND LOAD DESIGNATION. Tires shall be of the sizes and load designations listed in publications of the recognized standardizing bodies (see 2.2). 2. APPLICABLE DOCUMENTS 2.1 SPECIFICATION AND STANDARDS. The following documents, of the issues in effect on date of invitation for bids or request for pro

6、posal, form a part of this specification to the extent specified herein. FEDERAL SPECIFICATION: 22-1-550 - Inner Tube, Pneumatic Tire 22-T-441 - Tire, Pneumatic: Retreaded and Repaired FEDERAL STANDARDS: Fed. Std. No. 123 - Marking For Domestic Shipment (Civil Agencies). Activities outside the Feder

7、al Government may obtain copies of Federal Specifications, Standards, and Handbooks as outlined under General Information in the Index of Federal Specifications and Standards at the prices indicated in the Index. The Index which includes cumulative monthly supplements as issued, is for sale on a sub

8、scription basis by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402. (Single copies of this Specification and other Federal Specifications required by activities outside the Federal Government for bidding purposes are available without charge from Business Ser

9、vice Centers at the General Services Administration Regional Offices in Boston; New York; Washington, D.C.; Atlanta; Chicago; Kansas City, MO; Forth Worth; Denver; San Francisco; Los Angeles; and Seattle, WA, Philadelphia, PA, and Houston TX. (Federal Government activities may obtain copies of Feder

10、al Specifications, Standards, Handbooks, and the Index of Federal Specifications and Standards from established distribution points in their agencies. MILITARY SPECIFICATION: MIL-T-4 -Tire, Pneumatic, and Inner Tube, Pneumatic Tire: Tire with Flap; Packaging and Packing Of. MIL-T-12459-Tiref Pneumat

11、ic: for Military Ground Vehicles. 4 c 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-E 7999774 0248427 674 H Military Standards: MIL-STD-105-Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129-Marking for Shipment and Storage.

12、 MIL-STD-1224 Visual Inspection Guide for Pneumatic Tires (Nonaircraft). MIL-STD-45662 Calibration Systems Requirements. (Copies of Military Specifications and Standards required 3y supp iers in connection with specific procurement functions should be obtained from the procuring activity or as direc

13、ted by the contracting officer. 2.2 OTHER PUBLICATIONS. The following documents form a part of this mecification to the extent specified herein. Unless a specific issue is identified, the issue in e3fect on date of invitation for bids or request for proposal shall apply, ASTM D412 Standard Test Meth

14、od For Rubber Properties in Tension ASTM D885 Testing of Tire Cords-Tire Cord Fabrics and Industrial Filament Yarns Made From Organic Based Fibers ASTM 076 Specification for Tensile Testing Machines For Textiles ASTM E4 Load Verification of Testing Machines ASTM E74 Calibration of Force Measuring In

15、struments for Verifying the Load Indication of Testing Machines THE TIRE AND RIM ASSOCIATION, INC. YEARBOOK. (Copies may be obtained from the Tire and Rim Association, Inc., Crown Point, Suite 150, 175 Montrose W. Ave., Copley, OH 44321. THE EUROPEAN TYRE AND RIM TECHNICAL ORGANIZATION YEARBOOK: (Co

16、pies may be obtained from the European Tyre any additional cuts deemed necessary for complete inspection of the tire shall be made. The cut sections shall then be inspected for evidence of hidden defects such as separation of tread, ply, or bead in accordance with MIL-STD-1224. 4.3.4 TENSILE STRENGT

17、H AND ELONGATION TESTS. After being checked for hidden defects, the tire shall be subjected to tests for tensile strength and ultimate elongation of tread and sidewall to determine conformance to 3.3.4.1 and 3.3.4.2, respectively. 4.3.4.1 PREPARATION OF TESTS SAMPLES. Test samples shall be cut (long

18、itudinally at center of tread or sidewall) in accordance with ASTM D412. On tread samples, the nonskid portion shall be spliced off with a knife, after which the central portion shall be buffed on each side over a length of 2-1/2 inches until free from friction compound, fabric impressions, or irreg

19、ularities of surface. On sidewall samples rubber solvent shall be used if necessary to separate rubber and fabric and one or both sides shall be buffed as necessary. 4.3.4.2 PROCEDURE. The samples, prepared as specified in 4.3.4.1 shall be tested for tensile strength and ultimate elongation in accor

20、dance with ASTM D412. 4.3.5 INSPECTION OF PREPARATION FOR DELIVERY. The preservation, packaging, packing, and marking of the tires shall be inspected to determine conformance to the applicable requirements of section 5. 4.4 QUALITY CONFORMANCE INSPECTION 4.4.1 SAMPLING FOR INSPECTION AND ACCEPTANCE.

21、 Sampling for inspection and acceptance shall be performed in accordance with the provisions set forth in MIL-STD-105. Testing, if specified, shall be performed at the contractors or other commercial laboratory acceptable to the Government. 4.4.2 INSPECTION LOT. The inspection lot shall consist of a

22、ll tires of one style, group, size, and ply type, from an identifiable production period, and submitted for acceptance at one time. 4.4.3 VISUAL EXAMINATION. The sample unit shall be one completely fabricated tire. Visual examination of the external and internal surfaces of each sample tire shall be

23、 in accordance with MIL-STD-1224. The AQL for major defects shall be 4.0 percent defective and for minor defects, 6.5 percent defective. The inspection level shall be S-4. 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7999974 0348439 396 , 4.4.4

24、 DIMENSIONAL EXAMINATION. The sample unit shall be one completely fabricated tire. Tire overall diameter (see 4.3.1.1.2) Tire overall width (see 4.3.1.1.3) Each sample shall be inspected for: Skid depth (see 4.3.1.1.4) A tire failing to pass one or more of the above characteristics shall be consider

25、ed a defective tire. The acceptance shall be in accordance with Table IV. Use any of the three tires selected for visual examination. 4.4.5 MATERIAL FURNISHED FOR TESTS. Tires, flaps, valves, and inner tubes used for or in tests shall be furnished by the contractor - without cost to the Government.

26、TABLE IV Number of tires Number of tires Test for examination Characteristics to be examined Acc. Rej. Tire overall diameter (all groups) 3 Skid depth (all groups) 3 3 Tire overall width - Total tires - 3 Total examinations 9 1 2 5. PREPARATION FOR DELIVERY 5.1 PACKAGING. Packaging shall be level A

27、or C, as specified (see 6.2). If level B packaging is specified for civil agency procurement, the requirements of Level A packaging apply. 5.1.1 LEVEL A. The tires shall be packaged in accordance with Level A requirements of MIL-T-4. 5.1.2 LEVEL C. The tires shall be packaged in accordance with the

28、contractors commercial practice. 5.2 PACKING. Packing shall be level A, B, or C, as specified (see 6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M 9999174 0348440 O08 5.2.1 LEVEL A. A requirements of MIL-T-4. 5.2.2 LEVEL B. B requirements of

29、MIL-T-4. 5.2.3 LEVEL C. acceptance and safe delivery to destination in containers complying with the rules and regulations applicable to the mode of transportation. The tire shall be packed in accordance with the level The tire shall be packed in accordance with the level The tires shall be packed t

30、o insure carrier 5.3 . MARKING 5.3.1 CIVIL AGENCIES. In addition to markings required by the contract order, the tires and shipping containers shall be marked in accordance with Fed. Std. No. 123. 5.3.2 MILITARY AGENCIES. In addition to markings required by the contract or order, the tires and shipp

31、ing containers shall be marked in accordance with MIL-STD-129. 6. NOTES 6.1 INTENDED USE. Tires covered by this specification are primarily intended for mounting on agricultural tractors, agricultural implements, and garden tractors. 6.2 ORDERING DATA. Purchasers should select the preferred options

32、permitted herein and include the following information in procurement documents : (A) (B) (C) Tread design (group, type, class) (see 1.2.1). (D) Temperature requirements (see 3.3.3). (E) (F) (G) and 5.2). Title, number, and date of this specification. Size and load designation (see 1.2.2). Special l

33、abeling when required (see 3.7) Inspection and testing responsibility (see 4.1, 4.3 through 4.3.5). Selection of applicable level of packaging and packing (see 5.1 16 , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-t 6.3 QUALIFICATION. In procureme

34、nt of products requiring that qualification, awards will be made only for such products as have been approved in writing for inclusion in the applicable Qualified Products List prior to the time of award, whether or not such products have actually been so listed by that date. contact the manager, Fe

35、deral Tire Program , General Services Administration, Washington D.C. to arrange for QPL testing of their tire brand designations. 6.4 SUPERSESSION DATA. This specification supersedes the group 2 agricultural tractor tires covered in 22-T-001083, December 30, 1966. Manufacturers are urged to 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-