ASTM D3032-2004 Standard Test Methods for Hookup Wire Insulation《连接线绝缘的标准试验方法》.pdf
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1、Designation: D 3032 04An American National StandardStandard Test Methods forHookup Wire Insulation1This standard is issued under the fixed designation D 3032; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 These test methods cover procedures for testing
3、hookupwire.1.2 For the purposes of these test methods, hookup wireinsulation includes all components of the insulation systemused on single insulated conductors or an assembly of singleinsulated conductors such as a cable bundle and harness or flatribbon cable. The insulating materials include not o
4、nly theprimary insulation over the conductor, but also insulatingjackets over shielded constructions.1.3 The test procedures and their locations are as follows:SectionAxial Stability (Longitudinal Change) After Thermal Exposure 21Bondability of Insulation to Potting Compounds 19Capacitance 9 to 12Co
5、ld Bend Test 26Concentricity 16Crush Resistance 20Dielectric Breakdown Voltage 5Dimensions 15Dry-Arc Tracking 29Dynamic Cut-Through 22Fluid Immersion 23High Temperature Shock 24Insulation-Continuity Proof Tests 13Insulation Resistance 6Partial Discharge (Corona) Inception and Extinction Voltage 25Re
6、lative Thermal Life and Temperature Index 14Strip Force 27Surface Resistance 7Tensile Properties 17Vertical Flame Test 18Voltage Rating of Hook-Up Wire A2Voltage Withstand Test 8Wet Arc-Tracking 281.4 The values stated in SI are the standard. The valuesgiven in parentheses are for information only.1
7、.5 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use. For specificpre
8、caution statements, see 12.2.1, 12.4.1.8, 18.1.3and Note 17and 25.4.2. Referenced Documents2.1 ASTM Standards:2D 149 Test Method for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD 150 Test Methods for AC Loss Characteristi
9、cs and Per-mittivity (Dielectric Constant) of Solid Electrical Insula-tionD 257 Test Methods for DC Resistance or Conductance ofInsulating MaterialsD 374 Test Methods for Thickness of Solid Electrical Insu-lationD 412 Test Methods for Vulcanized Rubber and Thermo-plastic Rubbers and Thermoplastic El
10、astomersTensionD 471 Test Method for Rubber PropertyEffect of LiquidsD 543 Practices for Evaluating the Resistance of Plastics toChemical ReagentsD 638 Test Method for Tensile Properties of PlasticsD 1711 Terminology Relating to Electrical InsulationD 1868 Test Method for Detection and Measurement o
11、fPartial Discharge (Corona) Pulses in Evaluation of Insu-lation SystemsD 2303 Test Methods for Liquid-Contaminant, Inclined-Plane Tracking and Erosion of Insulating MaterialsD 2307 Test Method for Relative Thermal Endurance ofFilm-Insulated Round Magnet WireD 2865 Practice for Calibration of Standar
12、ds and Equip-ment for Electrical Insulating Materials TestingD 3183 Practice for RubberPreparation of Pieces for TestPurposes from ProductsD 3636 Practice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsD 3638 Test Method for Comparative Tracking Index of1These test methods a
13、re under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and are the direct responsibility ofSubcommittee D09.18 on Solid Insulations, Non-Metallic Shieldings and Coveringsfor Electrical and Telecommunication Wires and Cables.Current edition approved April 1,
14、2004. Published May, 2004. Originallyapproved in 1972. Last previous edition approved in 1998 as D 3032 98.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the stand
15、ards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.Electrical Insulating MaterialsD 5032 Practice for Maintaining Constant Relative Humid-ity by Means of Aqueous Glycerin SolutionsD 5374 Tes
16、t Methods for Forced-Convection LaboratoryOvens for Evaluation of Electrical InsulationD 5423 Specification for Forced-Convection LaboratoryOvens for Evaluation of Electrical InsulationD 6054 Practice for Conditioning Electrical Insulating Ma-terials for TestingE 29 Practice for Using Significant Di
17、gits in Test Data toDetermine Conformance with SpecificationsE 691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method2.2 IEEE Standards:3Standard 98 Guide for the Preparation of Test Proceduresfor the Thermal Evaluation of Electrical Insulating Mate-rialsStan
18、dard 101 Statistical Analysis of Thermal Life Test Data2.3 Federal Standard:Federal Specification for Tape, Gummed; Paper, Rein-forced and Plain, for Sealing and Securing (PPP-T-45C)43. Terminology3.1 Definitions: For definitions of terms used in these testmethods, refer to Terminology D 1711.3.2 De
19、finitions of Terms Specific to This Standard:3.2.1 capacitance unbalance (of a pair in a shielded cable),nthe ratio, expressed as a percentage, of the difference incapacitance between each of two insulated conductors and theshield, to the capacitance between that conductor pair.3.2.1.1 DiscussionCap
20、acitance unbalance is also calledcoefficient of asymmetry or capacitance asymmetry, and isexpressed in percent unbalance.3.2.2 cold bend testa test in which a specimen is slowlywrapped around a mandrel of a specified diameter afterconditioning at a specified low temperature to determine thatthe prim
21、ary insulation, primary jacket, overall jacket and anyother layer of the wire or cable specimen maintains sufficientflexibility to withstand such bending at that low temperaturewithout evidence of cracking.3.2.3 relative thermal endurancethe comparison of thethermal endurance (as described by their
22、Arrhenius plots) oftwo or more insulated wires designed for the same specific use;this usually implies the same size of conductor, but theinsulation is of the thickness required for the particular use ofeach insulation.3.2.4 strip forceforce required to remove a specifiedlength of insulation from an
23、 insulated wire specimen asdetermined by a specified test procedure.3.2.5 surface resistance, nsee Terminology D 1711.3.2.5.1 DiscussionFor a fixed electrode separation, themeasured surface resistance of a given hookup wire decreasesas the diameter increases.3.2.6 temperature index, nsee Terminology
24、 D 1711.3.2.6.1 DiscussionFor hookup wire, the symbol TI is usedfor temperature index and the preferred use of the TI symbolimplies a time of 20 000 h obtained by analysis of aging datain which extrapolation is limited to no more than 25C belowthe lowest aging temperature (See also Section 14).3.2.7
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