Transactions of Materials and Heat Treatment

Title：Forming process of auto chair based on sheet metal CNC incremental technology

Authors： ZHAO Zhong MO Jian-hua RUAN Shu(State Key Laboratory of Plastic Forming Simulation and Die and Mould Technology Huazhong University of Science and Technology Wuhan Hubei 430074 China)

Unit：

KeyWords： sheet metal forming dieless forming rapid prototyping process planning

ClassificationCode：TG386

year,vol(issue):pagenumber：2006,31(5):25-28

Abstract：

The CNC incremental sheet metal forming process is a flexible forming process without dedicated forming dies.In process planning,the forming trace of the forming tool can be adjusted by correcting the numerical model of the product.Sheet metal incremental forming of the auto chair is more difficult.In this paper,the CNC incremental sheet metal forming process is analyzed.Based on the above research,the method of processing design(including model building,processing analysis,trajectory creating,HrpDSF proceeding,post proceeding,etc.) has been established.The success incremental forming of the auto chair using the processing design method has provided.The defects occurred in the incremental forming of the auto chair,such as fracture,wrinkle and spring back degrade the quantity of the production.This paper discusses these defects and supposes suitable method to avoid the defects.This is helpful to the development of the sheet metal incremental forming in the future.

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Reference：

[1]松原茂夫.ダィレスフォ-ミングとしての数値制御逐次成形法[J].プレス技術,第10号,1998,36:109 115(日本).
[2]周六如,肖祥芷,莫健华.板料零件数控渐进成形工艺研究[J].塑性工程学报,2003,(4):27 29.
[3]莫健华,刘杰,黄树槐,等.汽车大型覆盖件的数字化成形技术[J].塑性工程学报,2001,(2):14 16.
[4]毛锋,莫健华.金属板料数字化渐进成形工艺规划研究[C].快速成形与快速制造,2004,3.
[5]丁勇,莫健华,黄树槐.金属板材数控单点渐进成形加工轨迹优化研究[J].中国机械工程,2003,(12):2138 2140.
[6]梁炳文,胡世光.板材成形塑性理论[M].北京:机械工业出版社,1987.

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