SAE J2031-2001 High Tension Ignition Cable.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. TO PLACE A DOCUMENT ORDER: +1 (724) 776-4970 FAX: +1 (724) 776-0790 SAE WEB ADDRESS h
3、ttp:/www.sae.org Copyright 2001 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 STANDARD J2031 REV. DEC2001 Issued1990-01 Revised2001-12 Superseding J2031 SEP1996 High Tension Ignition Cable 1.ScopeThe spec
4、ifications contained in this SAE Standard pertain to high tension ignition cable used in road vehicle engine ignition systems. 2.References 2.1Applicable PublicationThe following publication forms a part of this specification to the extent specified herein. 2.1.1UL PUBLICATIONAvailable from Underwri
5、ters Laboratories, 333 Pfingsten Road, Northbrook, FL 60062- 2096. UL 1581 2.2Related PublicationsThe following publications are provided for information purposes only and are not required for this document. 2.2.1ASTM PUBLICATIONAvailable from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428
6、-2959. ASTM D 471Standard Test Method for Rubber PropertyEffect of Liquids 2.2.2SAE PUBLICATIONAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J2032High Voltage Ignition Cable Assemblies 3.Cable DimensionsThe average overall diameter of finished cable shall be 5 mm, 7 mm,
7、or 8 mm. Other sizes are acceptable and dimensional control for these will be as agreed on by manufacturer and customer. Allowable tolerance for either size shall be 0.3 mm. The average overall diameter shall be determined by taking the average of five sets of measurements along a 1 m length of fini
8、shed cable. Each set of measurements shall consist of the determination of the maximum and minimum diameter at the point of measurement. 4.Test RequirementsWhen tested according to the methods outlined, the ignition cables covered by this document shall be capable of complying with the applicable re
9、quirements specified herein. Test methods and requirements for cable constructions other than those specified previously will be as agreed on by manufacturer and customer. Figure 1 defines the applicability of the test and provides specific performance criteria. NOTEWherever the term “room temperatu
10、re” is used, it shall be defined as 23 C 5 C. SAE J2031 Revised DEC2001 -2- FIGURE 1TEST APPLICABILITY AND PERFORMANCE CRITERIA SAE J2031 Revised DEC2001 -3- 4.1Spark TestWhen agreed upon by the manufacturer and customer, an AC spark test shall be performed on 100% of production of each ignition wir
11、e to which it is applicable (see Figure 1). Apparatus shall consist of a voltage source, electrode, voltmeter, fault-current device or system, and the necessary electrical connections. The recommended apparatus and test method shall be that described in UL 1581, Section 900. Test potential shall be
12、25 kV for 5 mm, 25 kV for 7 mm cable, and 30kV for 7 mm High Energy or 8 mm cable. NOTEThis test is not a qualification test but an in-process test carried out under production conditions. Alternate methods for this test may be considered provided that insulation faults are detected with the same de
13、gree of certainty. 4.2High Potential TestRefer to A.1 in Appendix A for test apparatus. Immerse an approximate 1200 mm specimen for 4 h in a salt solution (3% m/m of NaCl in water) at room temperature with the ends twisted together and emerging approximately 400 mm above the surface of the solution.
14、 Apply a test voltage of 20 kV (rms) for 30 min between the conductor and the solution. NOTEThe applied potential is to be increased from near zero at an essentially uniform rate not to exceed 500 V/s. The cable shall not break down. Then increase the voltage at a rate not exceeding 500 V/s to the f
15、ollowing levels: 5 mm cable25 kV (rms) 7 mm cable30 kV (rms) 7 mm High Energy cable35 kV (rms) 8 mm cable35 kV (rms) Cable breakdown shall not occur below the voltage indicated. 4.3CapacitanceSoak an approximate 1200 mm specimen in a salt solution (3% m/m NaCl in water) at 70 C 2 C for 24 h with eac
16、h end of the cable emerging approximately 100 mm above the surface of the solution. Measure the capacitance between the conductor and the solution. Immerse the same specimen in tap water at 23 C 2 C for 1 h with each end of the cable emerging approximately 100 mm above the surface of the water. Agai
17、n, measure the capacitance between the conductor and the water. The frequency applicable to both measurements shall be 1000 Hz. Measured capacitance values shall not exceed those agreed on between the cable manufacturer and the user. 4.4Corona ResistanceAffix an approximate 1200 mm specimen to a man
18、drel as specified in A.2 in Appendix A. Apply the test potential specified in Figure 1 for a period of 8 h. NOTEThe applied potential is to be increased from near zero at an essentially uniform rate not to exceed 500 V/s. There shall be no breakdown of the cable, nor shall the surface of the specime
19、n exhibit any cracks, fractures, or other defects. 4.5Deformation TestDetermine the average thickness of the covering(s) over the conductor of an approximate 100 mm specimen of finished cable. Mount the specimen into the test apparatus shown in A.3 in Appendix A and load with the following mass: 5 m
20、m cable312 g (include mass of test frame) 7 mm cable450 g (include mass of test frame) 7 mm High Energy cable450 g (include mass of test frame) 8 mm cable510 g (include mass of test frame) SAE J2031 Revised DEC2001 -4- Place the test unit into a full draft, circulating air oven maintained at the tem
21、perature specified in Figure 1 for a period of 4 h. Remove the test unit from the oven and cool within 10 s by immersing in cold water. Remove the specimen and measure the depth of the indentation in the area of the application of the load using an optical device. The value of this measurement shall
22、 not exceed 50% of the original average thickness of the covering(s). 4.6Thermal Overload TestSuspend an approximate 500 mm specimen vertically for 48 h in a full draft, circulating-air oven maintained at the temperature specified in Figure 1. Upon completion of the aging, remove the specimen from t
23、he oven and allow to cool to room temperature. Subject the specimen to winding test as defined in A.4, Appendix A. On completion of the windings, there shall be no evidence of cracks, fractures, or other defects. For resistive cables, measure the resistance of the cable at room temperature before an
24、d after the test. The allowable change in resistance shall not exceed the values specified in Figure 1. 4.7Test for ShrinkageThis test shall apply where shrinkage of the conductor covering(s) is important with respect to the attachment of the connector. Measure the exact length (200 mm minimum) of a
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