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合格的電纜需要經過哪些檢測

发布 2019-09-16 18:34  信息编号:1489  浏览:5次 违规举报
  • 合格的電纜需要經過哪些檢測
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    1、電性能檢測:主要有導體直流電阻、絕緣電阻、成品電壓試驗及絕緣線芯間電壓試驗,每項都很重要。

    2、機械性能檢測:主要是考查絕緣和護套塑料材料的抗張強度、斷裂伸長率,以及對成品軟電纜進行的曲撓試驗、彎曲試驗、荷重斷芯試驗、絕緣線芯撕裂試驗、靜態曲撓試驗等。

    3、絕緣和護套材料性能試驗:包括熱失重、熱衝擊、高溫壓力、低溫彎曲、低溫拉伸、低溫衝擊、阻燃性能等等。

    4、標誌檢查:標準要求電纜包裝上應附有表示產品型號、規格、標準號、廠名和產地的標籤或標誌,規格包括額定電壓、芯數和導體標稱截面等。

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    What tests are required for qualified cables?

    1. Electrical performance test: There are mainly DC resistance of conductor, insulation resistance, finished voltage test and voltage test between insulated cores. Each item is important.

    2, mechanical properties testing: mainly to test the tensile strength, elongation at break of the insulating and sheathed plastic materials, as well as the flexural test, bending test, load core breaking test, insulated core tear test on the finished flexible cable , static bending test, etc.

    3, insulation and sheath material performance test: including thermal weight loss, thermal shock, high temperature pressure, low temperature bending, low temperature stretching, low temperature impact, flame retardant properties and so on.

    4. Mark inspection: The standard requirements cable label should be accompanied by a label or logo indicating the product model, specification, standard number, factory name and place of origin. The specifications include rated voltage, number of cores and nominal cross section of the conductor.

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