Transactions of Materials and Heat Treatment

Title：Study on CNC incremental forming for double convex sheet metal part

Authors： Zhu Hu Zhang Xindi Bai Jinlan Yu Chao

Unit： Shenyang Aerospace University

KeyWords： sheet forming CNC incremental forming double convex sheet metal part

ClassificationCode：TG335.5

year,vol(issue):pagenumber：2016,41(5):14-19

Abstract：

For the problem that the double convex sheet metal part could not be directly formed by the CNC incremental negative forming, the method of CNC incremental reverse forming based on double squeezing was proposed. The double convex sheet part was formed by squeezing sheet from both positive and negative sides, after the design of two supporting dies with both sides being close to the sheet part and clamping the sheet. At the same time, the design of supporting dies and the forming process scheme were given. Furthermore, it was studied the method of numerical simulation on the above process, and the feasibility of the method was analyzed by numerical simulation. Finally, a practical double convex sheet metal part was fabricated through the forming experiment. The results show that the method of double convex sheet metal part is obtained by CNC incremental reverse forming based on double squeezing.

Funds：

国家自然科学基金资助项目(51175351)；辽宁省高等学校优秀人才支持计划资助项目(LR2012006)

朱虎(1964-)，男，博士，教授

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