http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김현우,Kee Poong Kim 대한기계학회 2016 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.30 No.6
This paper deals with the design procedure of the tool and process for automotive bracket part fabrication. Finite element analysis is introduced to the progressive process to investigate the causes of defects that occur during the forming and bending stages. This paper proposes a new guideline for the progressive process design that modifies the intermediate stages in the progressive process. Finite element analysis and pilot tests are performed again using new strip layout and tool shapes to confirm the validity of the proposed process design. The analysis result shows that the modified process design eliminates defects such as non-uniform thickness distribution and initiation of crack. Then, the automotive bracket part is successfully fabricated through pilot tests using the progressive tools designed in accordance with the proposed guideline.