GM WORLDWIDE ENGINEERING STANDARDS
Template For ENG STDS
GMW16740
© Copyright 2017 General Motors Company All Rights Reserved
June 2017
Page 7 of 20
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Produce consistent vertical force on the test sample under dynamic conditions
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Not allow the test sample to move during test. If clamping is necessary, the longitudinal force applied on the
conductor shall not exceed 100 N/mm
2
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Have a stable base
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Test at a temperature of 23 °C ± 1 °C
Repeat the procedure for 10 readings, however, change the needle after each abrasion test.
Run one (1) test on each of the ten (10) samples and determine the number of cycles when needle abrades
through the insulation and makes contact with the mandrel.
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