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首页> 外文期刊>The International Journal of Advanced Manufacturing Technology >A new approach of preform design based on 3D electrostatic field simulation and geometric transformation
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A new approach of preform design based on 3D electrostatic field simulation and geometric transformation

机译：基于3D静电场模拟和几何变换的瓶坯设计新方法。

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摘要

Preform design is an important aspect of the research and development of the forging processes, which plays a key role in improving product quality, such as improving material filling capacity and reducing forming loads. In industry, preforms are generally designed by the iterative trial-and-error approach. This approach, however, leads not only to the increase of tool cost but also to prolonged production time. On the basis of the minimum energy principle and the minimum resistance law, a new approach by means of 3D electrostatic field simulation and geometric transformation is proposed in this paper to design the preform shape. Two axisymmetric (a disk and a blind-hole) forgings and a long-axis part are used to demonstrate this method, and finite element package DEFORM 3D is used to simulate the forming process for the purpose of verifying the validity and effectiveness of this approach.
机译：瓶坯设计是锻造工艺研究和开发的重要方面，对提高产品质量（例如提高材料填充能力和减少成型载荷）起着关键作用。在工业中，瓶坯通常是通过迭代的反复试验方法来设计的。但是，这种方法不仅导致工具成本增加，而且导致生产时间延长。基于最小能量原理和最小电阻定律，本文提出了一种通过3D静电场模拟和几何变换的新方法来设计瓶坯形状。该方法使用两个轴对称（盘形和盲孔形）锻件和一个长轴零件进行演示，并使用有限元软件包DEFORM 3D模拟成形过程，以验证该方法的有效性和有效性。 。

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