The defect on the surface of pickle sheet is introduced, its forming cause and influence on the following deep working analyzed, some quality control measures proposed.
对酸洗板表面主要缺陷进行了介绍，分析了形成各种缺陷的成因及其对后续板材深加工的潜在影响，提出了质量控制措施。
The addendum surfaces are very important for the product quality in sheet forming process, but their design is very time-consuming and requires tedious trial-error corrections.
板料成形过程中工艺辅助面对成形件质量有着重要意义，但其设计非常费时并且需要根据实验和数值模拟结果不断修正。
Finite element analysis (FEA) plays more and more important role in sheet-metal forming. However, if the analysis is performed on a low quality mesh, the FEA can be inaccurate.
有限元网格质量的好坏对金属成形模拟的精度和效率有很大影响。
Finite element analysis (FEA) plays more and more important role in sheet-metal forming. However, if the analysis is performed on a low quality mesh, the FEA can be inaccurate.
有限元网格质量的好坏对金属成形模拟的精度和效率有很大影响。
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