ECA EIA-364-41E-2010 TP-41E Cable Flexing Test Procedure for Electrical Connectors.pdf

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1、 EIA STANDARD TP-41E Cable Flexing Test Procedure for Electrical Connectors EIA-364-41E (Revision of EIA-364-41D) January 2010 Electronic Components Industry Association ANSI/EIA-364-41E-2010 (R2016) Approved: January 14, 2010 Reaffirmed: April 13, 2016 EIA-364-41ENOTICE EIA Engineering Standards an

2、d Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his parti

3、cular need. Existence of such Standards and Publications shall not in any respect preclude any member or nonmember of ECIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use

4、 by those other than ECIA members, whether the standard is to be used either domestically or internationally. Standards and Publications are adopted by ECIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, ECIA does not assume any liability to any pa

5、tent owner, nor does it assume any obligation whatever to parties adopting the Standard or Publication. This EIA standard is considered to have International Standardization implications, but the International Electrotechnical Commission activity has not progressed to the point where a valid compari

6、son between the EIA standard and the IEC document can be made. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices a

7、nd to determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 5180 and reaffirmed by Standards Proposal No. 5361.01, formulated under the cognizance of the EIA CE-2.0 Committee on National Connector and Socket Standards). Published by ELECTRONIC COMPONENTS

8、INDUSTRY ASSOCIATION 2016 Standards see figure 1, unless otherwise specified in the referencing document. EIA-364-41E Page 2 2.1.1.2 Roller (or rolls): Two smooth, cylindrical, equal-diameter steel, fixed position. Diameter of the rollers shall be approximately but not less than 2-1/2 times the maxi

9、mum outside diameter of the cable jacket for diameters less than 20 millimeters (0.8 inch), unless otherwise specified in the referencing document. For 24 AWG conductors or smaller the roller diameters shall be specified in the referencing document. 2.1.1.3 Equipment for checking the electrical cont

10、inuity of the conductor-to-contact joints, prior to, during, and subsequent to testing. 2.1.1.4 Equipment, such as magnifiers (approximately 3X) for examining cable-to-plug seal or cable jacket prior to and subsequent to testing. 2.1.2 Test condition II, flat cable 2.1.2.1 A fixture capable of gripp

11、ing the cable 305 millimeters (12 inches) from the connector with uniform tension of 350 Newtons/meter 20 Newtons/meter (2.0 pounds/inch 0.1 pound/inch) of cable width and capable of moving either the cable or connector through an arc of 140 10; see figure 2, method 2, unless otherwise specified in

12、the referencing document. 2.1.2.2 Equipment capable of monitoring current of 100 milliamperes and to indicate a discontinuity of 1 microsecond or longer interruption of current flow. 3 Test specimen 3.1 Description The test specimen shall consist of a cable terminated to a plug or receptacle connect

13、or with molded boot or mechanical strain relief. 3.2 Preparation 3.2.1 Test condition I, round jacketed cable The test specimen shall be mounted as show in figure 1 with the following conditions: 3.2.1.1 Its cable is loosely but almost tangentially situated between the two rollers that are spaced fa

14、rther apart than the maximum diameter of the cable, see 2.1.1.2. 3.2.1.2 Dimension X (see figure 1) shall be between the junction of the molded boot or mechanical strain relief and the cable jacket and the centerline if the rollers. Dimension X shall be specified in the referencing document. 3.2.1.3

15、 A weight of 454 grams (1 pound) shall be attached to the free end of the cable assembly, unless otherwise specified in the referencing document. EIA-364-41E Page 3 3.2.2 Test condition II, flat cable The test specimen shall be mounted as shown in figure 2. 3.2.2.1 The assembled wired connector shal

16、l be installed in the fixture described in 2.1.2.1. 3.2.2.2 Connector mounting and cable tension fixture shall be clamped so slippage is minimal Care shall be taken that applied clamping pressure is not so great as to damage connector or cable. 4 Test procedure 4.1 Test condition I, round jacketed c

17、able NOTE For cross reference to previous MIL-STD-1344 designations see Annex A. 4.1.1 Check the electrical continuity of the conductor to contact joints. 4.1.2 With the test specimen mounted as in 3.2.1 and figure 1, forces are applied so as to cause the molded boot or strain relief to be repeatedl

18、y flexed 180 in opposite directions in the plane, over the rollers. A traverse of 180 in one direction plus 180 in the opposite direction shall be called one cycle. Unless otherwise specified, the cycling rate shall be 12 cycles per minute to 14 cycles per minute. 4.1.3 Unless otherwise specified in

19、 the referencing document, at the completion of 100 cycles, examination of seal, jacket and cable holding fixture shall be made to determine the presence or absence of failure modes; see 1.2.1. Electrical continuity shall then be checked to determine presence or absence of failure mode; see 1.2.2 th

20、rough 1.2.4. 4.2 Test condition II, flat cable NOTE For cross reference to previous MIL-STD-1344 designations see Annex A. 4.2.1 Check the electrical continuity of the conductor to contact joints. 4.2.2 With test specimen mounted as in 3.3.2 each cable shall be individually loaded with specified wei

21、ght. 4.2.3 The cable or the connector shall be moved through an arc of 140 10 for 500 cycles using either method 1 or 2 of figure 2, unless otherwise specified in the referencing document. 4.2.4 One complete cycle shall consist of the rotation of the cable or connector from the neutral position to 7

22、0 5 in both directions. Unless otherwise specified in the referencing document, the cycling rate shall be 10 1 cycles per minute. EIA-364-41E Page 4 4.2.5 A monitoring current of 100 milliamperes maximum shall be applied through the conductor of the test cables and the contracts of the connector in

23、series. Either a dummy plug or receptacle or the actual test counterpart connector may be mated to the connector under test to facilitate making the series circuit. 4.3 Final measurement 4.3.1 Visual The specimens shall be visually inspected for the failure modes indicated in 1.2. 4.3.2 Electrical E

24、lectrical continuity, insulation resistance and dielectric withstanding voltage shall be tested to insure the cable assembly performance has not been degraded. 5 Details to be specified The following details shall be specified in the referencing document: 5.1 Dimension “X” in figure 1 5.2 Roller dia

25、meter for conductor sizes greater than 24 AWG 5.3 Test procedure, condition and method, as applicable 5.4 Total cycles, if other than specified herein 5.5 Cable to be used 5.6 Dielectric withstanding voltage 5.7 Insulation resistance 5.8 Allowable electrical discontinuity 5.9 Cycling rate, if other

26、than specified herein 5.10 Special environmental conditions 5.11 Applied weight EIA-364-41E Page 5 6 Test documentation Documentation shall contain the details specified in clause 5, with any exceptions, and the following: 6.1 Title of test 6.2 Specimen description including fixturing 6.3 Test equip

27、ment used, and date of last and next calibration 6.4 Test procedure 6.5 Values and observations 6.5.1 Test conditions and environments 6.5.2 Electrical continuity checks 6.6 Name of operator and start/finish date(s) of test EIA-364-41E Page 6 X dimension is from the end of the boot or strain relief

28、to the cable jacket, and the centerline of the rollers X Cable guide Weight Figure 1 - Circular cable flexing test setup EIA-364-41E Page 7 Method 1 Method 2 Figure 2 - Flat cable flexing methods EIA-364-41E Page A-1 Annex A Previous MIL-STD-1344 designations (Informative) This informative annex is

29、provided as a cross reference to the designations previously contained in MIL-STD-1344, method 2017. Table A.1 Test condition designation EIA-364-41 designations MIL-STD-1344, method 2017 designations Condition I Procedure I Condition II Procedure II ECIA Document Improvement Proposal If in the revi

30、ew or use of this document, a potential change is made evident for safety, health or technical reasons, please fill in the appropriate information below and mail or FAX to: Electronic Components Industry Association EIA Standards & Technology Department 2214 Rock Hill Rd., Suite 265 Herndon, VA 2017

31、0 FAX: (571-323-0245) Document No.: Document Title: Submitters Name: Telephone No.: FAX No.: e-mail: Address: Urgency of Change: Immediate: At next revision: Problem Area: a. Clause Number and /or Drawing: b. Recommended Changes: c. Reason/Rationale for Recommendation: Additional Remarks: Signature:

32、 Date: FOR ECIA USE ONLY Responsible Committee: Chairman: Date comments forwarded to Committee Chairman: Revision History Revision letter Project number Publication date Additions, changes and deletions Electronic Components Industry Association 2214 Rock Hill Road, Suite 265 * Herndon, VA 20170 * tel 571-323-0294 * fax 571-323-0245 www.ecianow.org