ASTM F2871-2016 Standard Specification for 245 70R19 5 136 134M Radial Truck Standard Reference Test Tire《245 70R19 5 136 134L径向载重卡车标准参考试验轮胎的标准规格》.pdf
《ASTM F2871-2016 Standard Specification for 245 70R19 5 136 134M Radial Truck Standard Reference Test Tire《245 70R19 5 136 134L径向载重卡车标准参考试验轮胎的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM F2871-2016 Standard Specification for 245 70R19 5 136 134M Radial Truck Standard Reference Test Tire《245 70R19 5 136 134L径向载重卡车标准参考试验轮胎的标准规格》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F2871 11F2871 16Standard Specification for245/70R19.5 136/134M Radial Truck Standard Reference TestTire1This standard is issued under the fixed designation F2871; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the yea
2、r of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the general requirements for the 245/70R19.5 136/134M radial truck standard reference t
3、est tire.The tire covered by this specification is primarily for use as a reference tire for braking traction, snow traction, and wearperformance evaluations, but may also be used for other evaluations, such as pavement roughness, noise, or other tests that requirea reference tire.1.1.1 Other standa
4、rd reference test tires are also used for these purposes and are referenced in Section 2.1.2 This specification provides a 19.5 rim diameter code standard truck tire design and construction, standard dimensions, andspecifies the conditions of storage.1.3 The values stated in SI units are to be regar
5、ded as standard. The values given in parentheses are mathematical conversionsto inch-pound units that are provided for information only and are not considered standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityo
6、f the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTensionD2240 Test Method for Rubber Pr
7、opertyDurometer HardnessD3182 Practice for RubberMaterials, Equipment, and Procedures for Mixing Standard Compounds and Preparing StandardVulcanized SheetsE867 Terminology Relating to Vehicle-Pavement SystemsE1136 Specification for P195/75R14 Radial Standard Reference Test TireF538 Terminology Relat
8、ing to the Characteristics and Performance of TiresF2493 Specification for P225/60R16 97S Radial Standard Reference Test TireF2870 Specification for 315/70R22.5 154/150L Radial Truck Standard Reference Test TireF2872 Specification for 225/75R16C 116/114S M+S Radial Light Truck Standard Reference Tes
9、t Tire2.2 ISO Standards:3ISO 868 Plastics and ebonite Determination of indentation hardness by means of a durometer (Shore hardness)ISO 21509 Plastics and Ebonite Verification of Shore durometers3. Terminology3.1 Definitions:3.1.1 For definitions of terms used in this specification, refer to Termino
10、logy F538.3.1.2 pavement characteristic, nphysical feature or property of a pavement surface such as type, roughness, texture, and skidresistance. E8671 This specification is under the jurisdiction of ASTM Committee F09 on Tires and is the direct responsibility of Subcommittee F09.20 on Vehicular Te
11、sting.Current edition approved Jan. 1, 2011Nov. 1, 2016. Published March 2011November 2016. Originally approved in 2011. Last previous edition approved in 2011 asF2871 11. DOI: 10.1520/F2871-11.10.1520/F2871-16.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Custo
12、mer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from International Organization for Standardization (ISO), ISO Central Secretariat, BIBC II, Chemin de Blandonnet 8, CP 401, 1214 Vernier,
13、 Geneva,Switzerland, http:/www.iso.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM
14、recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.1.3 pit
15、ch, nunit of tread pattern elements used in various combinations to obtain optimum noise levels. F5383.1.4 standard reference test tire, SRTT, ntire that is used as a control tire or surface-monitoring tire (for example,Specifications E1136, F2493, F2870, F2871, and F2872 tires). F5384. Design and C
16、onstruction4.1 The 245/70R19.5 136/134M standard reference test tire shall feature the steel-belted radial technology, and a smooth-ribbedtread design, see Fig. 1 and Fig. 2, with technology as described in Sections 5 7.4.2 The tire shall be designed to conform to the European Tyre and Rim Technical
17、 Organisation (ETRTO) dimensions andtolerances for cross section and overall diameter found in the current ETRTO Standards Manual.44.3 The tire used for this specification is produced by Manufacture Francaise des Pneumatiques Michelin.5 The tire is stampedon the sidewall with the words: “Standard Re
18、ference Test Tire” and “F2871”.5. Materials and Manufacture5.1 The individual standard reference test tires shall conform to the manufacturers design standards.5.2 Tread compound, fabric processing, and all the steps in tire manufacturing shall be controlled to ensure minimum variabilitybetween tire
19、s.5.3 The standard reference test tire shall be as originally molded without any tread grinding or repairs.5.4 Since the formulation for tread compounds are proprietary, they shall be controlled by means of their physical propertiesgiven in Table 1.5.5 Dimensions, weights, and permissible variations
20、 are given in Section 7.5.6 The tire shall be of the following construction:5.6.1 One-ply sidewall construction (steel).5.6.2 A five-ply tread construction (one-ply steel and four steel belts).5.6.3 Black sidewall.6. Physical Properties6.1 The physical properties of the tread compound are listed in
21、Table 1.4 Available from the European Tyre and Rim Technical Organisation 32/2, avenue Brugmann78/80, rue Defacqz B-1060 Brussels Belgium.5 The sole source of supply of the apparatus known to the committee at this time is Manufacture Francaise des Pneumatiques Michelin CERLLadoux, 23 place des Carme
22、sDechaux, 6304 Clermont-Ferrand Cedex 09, France (attn. F43 Magasin specify 245/70R19.5 136/134L Michelin truck SRTT). If you are aware of alternative suppliers,please provide this information to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the re
23、sponsible technical committee,1which you may attend.FIG. 1 Front View of the 245/70R19.5 136/134M Radial Truck Standard Reference Test TireF2871 1627. Dimensions, Weights, and Permissible Variations7.1 Details of dimensions are listed as follows and are shown in Fig. 3. When tolerances are not speci
24、fied, tire dimensions aresubject to manufacturers normal tolerances.7.2 Inflated Dimensions and Cured Cord Angles (at 825 kPa (120 psi):7.2.1 The tread width shall be 208 mm (8.19 in.), and the cross-sectional tread radius shall be 625 mm 6 50.8 mm (24.61 in.6 2.0 in.) on the center and 475mm 6 50.8
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