0.4～1.2mm捆带反复弯曲试验Steel Strip Reverse Bend Test
作者 Ming
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发布时间 19/02/11
GB/T25820-2018包装用钢带规定了捆带的反复弯曲性能试验要求：弯曲试验应以每秒不超过1次的均匀速率连续进行，直至捆带完全断裂为止。涨紧力T应等于捆带公称抗拉强度相对力值2％。
 捆带反复弯曲试验是将捆带试样一端固定，绕规定半径的圆柱支辊弯曲90°，再沿相反方向弯曲的重复弯曲试验。根据捆带公称厚度，GB/T25820-2018规定了最少反复弯曲次数。
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