期刊
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE
卷 236, 期 8, 页码 1071-1080出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/09544054211069743
关键词
Deformation; machining; curved-surface; blade; FEM; spring back
This study investigates the effect of tool diameter and forming temperature on the spring-back and dimensional accuracy of a fabricated part, and proposes methods to improve the dimensional accuracy.
The deformation machining process (DMP) involves machining and incremental forming of thin structures. It can be applied for manufacturing products such as curved-surface blades without using 5-axis computerised numerical control machines. This work presents the effect of tool diameter and forming temperature on spring-back and dimensional accuracy of a simple fabricated part. The results of the first phase of the study are utilised to design the fabrication process of a curved surface blade. A feature-based algorithm is used to design the tool path for the forming process. The dimensional accuracy of the final product is improved through warm forming, two-point incremental forming, and extension of the bending zone to the outside of the product edges. The results show that DMP can be used to fabricate complex curved-surface workpieces with acceptable dimensional accuracy.
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