带钢拉伸弯曲变形过程的表征是拉伸弯曲矫直工艺研究中的关键，带钢拉伸弯曲变形过程在本质上就是带钢在张力作用下的反复弯曲变形过程。
The characterization of tensile-bend deformation was the core of tension leveling technology and the essence of tensile-bend deformation was cyclic repeated bend of steel strip with tension.
而在弯曲矫直的同时，对带钢施加一定的张力，在张力和反复弯曲矫直的作用下，带钢产生永久的延伸变形，从而改善了带钢板形。
When leveled by bend the strip is applied by a tension, under the influence of the tension and repeated leveling by bending strip is permanently elongation deformed, improving shape of strip.
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