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What are the issues and problem of flat bar metal bending? 


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The issues and problems of flat bar metal bending include the need for greater effort in manual bending operations, poor bending effect, low machining efficiency, severe material wastage, cracks in workpieces caused by localized necking concentration, reduced flat iron production efficiency, equipment damage, and increased labor intensity . Additionally, when bending copper bars, there is a risk of cracks or fractures in the curving process, limitations in producing complex-shaped bars, and potential welding accidents at the welding spot . When bending steel angle-section bars, Brazier's flattening deformation and plate instability can occur, leading to reduced bending stiffness and potential collapse governed by flattening, ridge-line buckling, or load-point crippling .

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Papers (5)Insight
The paper discusses the issues and problems of bending a steel angle-section bar about its weak axis, including Brazier's flattening deformation, plate instability, torsional buckling, and the reduction of bending stiffness.
Patent
Guangjie Li, Zhihong Li 
28 Nov 2007
2 Citations
The paper mentions that the problem with prior copper flat-bending devices is that the copper bar is prone to cracking or fracturing during the curving process.
Patent
Xu Guanghua, Lin Jianjun, Tian Huang 
30 Jul 2014
1 Citations
The paper does not mention any issues or problems specifically related to flat bar metal bending.
Patent
Yuefeng Huang, Xinyu Cheng, Youyuan Hu 
30 May 2012
2 Citations
The paper does not explicitly mention the issues and problems of flat bar metal bending.
Patent
25 Mar 2015
1 Citations
The paper does not mention the specific issues and problems of flat bar metal bending.

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