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关于各种厚度彩涂铝板的折弯问题

返回列表 来源: 发布日期: 2020.10.27

关于各种厚度彩涂铝板的折弯问题

最近,客户在购买彩涂铝板时经常会问到关于铝板弯曲的问题,比如弯曲3mm铝板时的系数是多少~应该使用哪把刀?;5mm厚铝板的弯曲系数是多少?铝板弯曲时为什么会开裂


彩涂铝板实际上,彩涂铝板的弯曲系数是有规律的,一般是铝板厚度的0.8倍。例如3mm铝板的弯曲系数为2.4,5mm铝板的弯曲系数为4。如果用刀,好用锋利的刀。如果用直刀刀压力太大,铝板容易开裂。
彩涂铝板180度弯曲开裂原因分析
1弯曲边缘与铝板轧制方向平行,容易开裂。将弯曲方向旋转90度。
2180度弯曲角度过多,应大于小弯曲半径。弯曲半径一般为板厚的1.5倍
三。产生这种材料的原因是有些铝板是合金的,而且它们的韧性不如纯铝板,而且很容易开裂。
4板材厚度过厚,弯曲180度超过材料弯曲极限。


Recently, customers often ask questions about aluminum bending when buying aluminum plate, such as how much is the coefficient when bending 3mm aluminum plate ~ which knife should be used?; what is the bending coefficient of 5mm thick aluminum plate? Why does aluminum plate crack when bending

In fact, the bending coefficient of aluminum plate is regular, which is generally 0.8 times of the thickness of aluminum plate. For example, the bending coefficient of 3mm aluminum plate is 2.4, and that of 5mm aluminum plate is 4. If the knife is used, it is better to use a sharp knife. If the pressure is too high with a straight sword knife, the aluminum plate is easy to crack.
Causes of cracking of aluminum plate after bending 180 degrees
1. The bending edge is parallel to the rolling direction of the aluminum plate, which is easy to crack. Turn the bending direction 90 degrees.
2. There are too many 180 degree bending angles, which should be greater than the minimum bending radius. Generally, the bending radius is 1.5 times of the plate thickness
3. The reason for the material is that some aluminum plates are alloy, and their toughness is not as good as that of pure aluminum plates, and they are easy to crack.
4. The thickness of the plate is too thick, bending 180 degrees exceeds the bending limit of the material.

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