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What kind of bending does the packaging steel strip produce?
by：Hongmei
2021-03-15
What kind of bending does the packaging steel strip produce?
The unevenness of the steel strip in the thickness direction will cause the bending and bending stress of the steel strip. The steel strip can be divided into two parts: the upper layer and the lower layer. If the length of the upper layer of the steel strip is greater than the length of the downward stretch, the upper layer is subjected to compressive stress and the lower layer is subjected to tensile stress. When these stresses are large enough to deform the steel strip, then The steel belt bulges upward, which we call positive bending. On the contrary, if the length of the upper layer of the steel belt is greater than the length of the lower layer, the upper layer is under tensile stress and the lower layer is under compressive stress. When these stresses are large enough to deform the steel belt, the steel belt will sink downwards. .
For steel strip, the unevenness of the upper and lower layers in the length direction and width direction will cause the strip to bend. The bending in the length direction is called L-shaped bending, and the bending in the width direction is called C-shaped bending. There are four types of bending: L-shaped positive bending, L-shaped negative bending, C-shaped positive bending and C-shaped negative bending, as shown in Figure 12-5.
The unevenness of the steel strip in the thickness direction will cause the bending and bending stress of the steel strip. The steel strip can be divided into two parts: the upper layer and the lower layer. If the length of the upper layer of the steel strip is greater than the length of the downward stretch, the upper layer is subjected to compressive stress and the lower layer is subjected to tensile stress. When these stresses are large enough to deform the steel strip, then The steel belt bulges upward, which we call positive bending. On the contrary, if the length of the upper layer of the steel belt is greater than the length of the lower layer, the upper layer is under tensile stress and the lower layer is under compressive stress. When these stresses are large enough to deform the steel belt, the steel belt will sink downwards. .
For steel strip, the unevenness of the upper and lower layers in the length direction and width direction will cause the strip to bend. The bending in the length direction is called L-shaped bending, and the bending in the width direction is called C-shaped bending. There are four types of bending: L-shaped positive bending, L-shaped negative bending, C-shaped positive bending and C-shaped negative bending, as shown in Figure 12-5.
