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Standard
GB/T 6109.4-2008 Enamelled round winding wire - Part 4: Solderable polyurethane enamelled round copper wire class 130 (English Version) |
Detail of GB/T 6109.4-2008
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Introduction of GB/T 6109.4-2008
GB/T6109《漆包圆绕组线》分为22个部分,本部分为GB/T6109的第4部分。本部分自实施之日起代替GB/T6109.4—1988。GB/T 6109的本部分规定了以聚氨酯树脂为基的单一漆层133级直焊漆包铜圆线的要求。本部分与GB/T6109.4—1988相比,主要变化如下:
———导体标称直径范围由原来的0.018mm~2.500mm 分别调整为0.018mm~2.000mm(1级)和0.020mm~2.000mm(2级),并取消了3级的规格范围;
———明确温度指数为130级,热冲温度为155℃,热冲击试验用圆棒直径的规定由原来的按导体标称直径范围分档改为按每一导体标称直径立项;
———增加高温下击穿电压、温度指数的性能要求;
———焊锡时间由10s/mm 和15s/mm(1级和2级)分别缩短至8s/mm 和12s/mm,最短焊锡时间由3s缩短至2s;
———增加了针孔试验项目
Contents of GB/T 6109.4-2008