Transactions of Materials and Heat Treatment

Title：Influence of multi-pass double-sided incremental forming strategy on forming quality

Authors： Wang Wei Zhou Ai Wang Hao Feng He

Unit： Civil Aviation College Shenyang Aerospace University

KeyWords： deep cavity parts with large wall angle multi-pass double-sided incremental forming forming trajectory Z-shaped polygonal strategy average thickness thickness reduction rate

ClassificationCode：TG335.5

year,vol(issue):pagenumber：2024,49(4):62-67

Abstract：

Aiming at the problem of difficulty in forming deep cavity parts with large wall angle, based on the analysis of parallel straight line, parallel arc and variable angle multi-pass double-sided incremental forming, a Z-shaped polygonal continuous multi-pass double-sided incremental forming strategy was proposed. Then, for deep cavity square cone with large wall angle, it was obtained by finite element simulation that the Z-shaped polygonal continuous multi-pass double-sided incremental forming strategy performed well on the average thickness and geometric deviation, and the forming effect of Z-shaped polygonal continuous multi-pass double-sided incremental forming strategy was verified by experiments. The results show that the more uniform thickness distribution is obtained by Z-shaped polygonal continuous multi-pass double-sided incremental forming strategy, the average thickness is increased from 0.78 mm to 0.87 mm, and the thickness reduction rate is increased by 7% compared with the variable angle multi-pass double-sided incremental forming, the forming precision and surface quality of deep cavity specimens with large wall angle in double-sided incremental forming process are improved remarkably.

Funds：

辽宁省自然科学基金资助项目（2023-MS-243）

作者简介：王巍（1978-），女，博士，副教授 E-mail：wangwei7832@163.com

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