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Investigation of dimensional accuracy in incremental sheet metal hammering process: a parametric study

机译：增量钣金锤击过程中尺寸精度的研究：参数研究

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摘要

With the increasing demand for low-volume production, the incremental forming process is developed as a rapid prototyping method. Incremental sheet metal hammering method has been used in recent years. In this process, a sequence hammer moving over a clamped Aluminum sheet and a three dimensional workpiece can be produced by using a simple die. In this paper, the influence of the punch diameter on the dimensional accuracy was studied. This component was divided to four sections: thickness, overall geometry, surface quality and spring-back. By using the image processing and roughness tester, the values of results were obtained and analyzed. The results had revealed that the surface roughness and spring-back were decreased by decreasing the punch diameter. Overall geometry was deviated from the ideal shape by increasing the punch diameter.
机译：随着对小批量生产的需求不断增长，增量成型工艺已被开发为一种快速成型方法。近年来已经使用了增量钣金锤击方法。在此过程中，可以通过使用简单的模具生产在固定的铝板和三维工件上移动的顺序锤。本文研究了冲头直径对尺寸精度的影响。该组件分为四个部分：厚度，整体几何形状，表面质量和回弹。通过使用图像处理和粗糙度测试仪，获得并分析了结果值。结果表明，减小冲头直径可降低表面粗糙度和回弹。通过增加冲头直径，使整体几何形状偏离理想形状。

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