Template For eng stds


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GMW16740

4.9.3 Apparatus/Procedure. The apparatus shall: 

  Record the number of cycles to failure and shall stop when the needle abrades through the insulation and 



makes contact with the mandrel 

  Use a needle of diameter 0.45 mm ± 0.01 mm made from spring wire according to ISO 6931-1 



  Apply a vertical force: 7 N ± 0.05 N 

  Operate  at  a  frequency  of  55 cycles/minute ± 5  cycles/minute. 



Note:  One  (1)  cycle  consist  of  one 

reciprocating movement 

  Create an abrasion length of 15 mm ± 1 mm 



Copyright General Motors 

Provided by IHS Markit under license with General Motors

Order Number: W2199587

Sold to:MIRAKON [256916100001] - AZIMJON.KHOLOV@GMAIL.COM, 

Not for Resale,2020-01-07 15:49:58 UTC

Reproduction, distribution or publication of these standards is expressly prohib

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