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電(dian)線電(dian)纜曲撓(nao)試驗機取試件約5M長，中段撓(nao)于(yu)規定直徑之(zhi)兩個圓輪上，試件兩端(duan)施(shi)加荷重，并接通電(dian)流，然后以0.33m/sec之(zhi)速度，1M之(zhi)行程，移動(dong)圓輪，使(shi)試件往復彎曲拉伸。
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