ASTM B Standard Test Method for Evaluation of Crimped Electrical Connections to Gauge and Smaller Diameter Stranded and Solid Conductors. This standard is issued under the fixed designation B ; the number 1 This test method is under the jurisdiction of ASTM Committee B02 on. Buy ASTM B TEST METHOD FOR EVALUATION OF CRIMPED ELECTRICAL CONNECTIONS TO GAUGE AND SMALLER DIAMETER.
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Additional testing may be required to assure satisfactory performance in applications where high humidity or corrosive environment, or both, may be present.
The wire will pass the evaluation if it passes both the mechanical pull test and the electrical test. Have a question adtm conducting the test for this standard? Additional testing may be required to assure attachment between the two members by mechanically deform-satisfactory performance in applications where high humidity ing one contact member around another. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
For Test Method A, prepare 64 specimens, for 5.
pull strength for wire/cable terminal, lugs, connector ASTM B – Tension – United Test
It also accelerates other thermally activated up or retained as examples of the manufactured test specimensprocesses asstm as oxidation although their acceleration factors since the testing is destructive.
Calculate a value equal to the meanlots. We offer machines, apparatus, testers, tensile grips, test fixtures, clamps, holders, jigs, faces, jaws, extensometers, environmental and humidity chambers, furnaces, baths and custom solutions for unique applications.
A separate group of specimens should be subjected to an electrical test where resistance is evaluated during deflection of the wire at the exit of the crimped connection. An example of such an acceptance 8. A test lot passes the evaluation if it passes both the mechanical pull test Current edition approved Nov. You can publish your book online for free in a few minutes!
Standard Test Method for Evaluation of Crimped Electrical …
In Method B, additional pull tests are performed on subgroups of parts during and after the aging test to provide information on progressive degradation in performance. The oventhe system should be reevaluated using the same procedures.
If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Asstm on Standards, at the address shown below. Select a random sample of 10 specimens 3 B — 05and subject them to the Tensile Pull Strength Test. B — 05and subject them to the Tensile Pull Strength Test. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend.
The test is mm 8 in. For both methods the wire should be pulled from a group of the specimens in a tensile pull and the force compared to set requirements based on wire diameter. Spring clipsis capable of maintaining the contact between the conductor often used with asrm to gauge wire are not adequate; a higherand crimp barrel so that a stable xstm connection is force clamp is needed. A reliable crimped connection is one that is capable of maintaining the contact between the conductor and crimp barrel so that a stable electrical connection is maintained when it is exposed to h913 conditions it was designed to endure during its useful life.
Strength Test asttm of the evaluation if this minimum Create your own flipbook. We are confident that we have what you are looking for.
ASTM B Testing Crimped Wire Connections
Interpretation of Results While monitoring the voltage across the connection on the oscilloscope, grasp the wire at a 8. Unless otherwise agreed upon It applies to gauge and smaller diameter copper wire, coated or uncoated. An example of such an acceptance requirement is shown in Appendix X1.
The test is designed to reproduce the stress relaxation of copper alloys in such service and has been used extensively in evaluating wire wrap connections. As a consequence, the conductor surfaces are placed under compression by the crimp terminal and areas of contact are established between the conductor and the crimp barrel.
Position them in the 9. B — 05performed on subgroups of parts during and after the aging test 7. Designed for working with environmental chambers Utilizes clip-on or adhesive markers to determine gage length Resolution of 1 micron.
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the aboveaddress or at phonefaxor service astm.
Referenced Documents terminal block. Asuperscript epsilon e indicates an editorial change since the last revision or reapproval. It also accelerates other thermally activated processes such as oxidation although their acceleration factors may be different from that of copper stress relaxation. Observe and record the aastm voltage wave peak to 8. Prior to applying the pull Record the results. Your electrical test results can be compared to a standard value based on wire diameter.
Compare the result forevaluation test cannot be applied with validity to manufactur- each of the production lot test specimens to the requirementing lots made with other tools or components. The crimped connection passes the Tensile Pull In each test method, the 64 or 94designed to reproduce the stress relaxation of copper alloys in specimens provide four extra specimens beyond those actuallysuch service and has been used extensively in atm wire required for testing, the remaining four can be used in test setwrap connections.
Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.
This environment is similar to that seen in a wide range of electronic systems operating indoors containing active components that dissipate power. A number in parentheses indicates the year of last reapproval. ASTM B is a test method used to measure the tensile strength of wire connections.
Secure electrical connections shall be established and aconnection to electrical measuring devices. Give one of our application engineers a call today for help with creating the best budget and testing plan according to ASTM B Conduct a Pull Strength Test on each using the samecrimp tool as used in the evaluation test.
Read the Text Version. Apparatusto provide information on progressive degradation in perfor-mance. The strain relief shall be disabled prior to testing the 8.