Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28728
Title: FEA-aided design of multi-stage drawing process and tooling for production of a miniature sheet metal component
Authors: Chan, LC 
Fu, MW 
Li, N
Lu, J
Keywords: Finite element analysis (FEA)
Miniature sheet metal component
Multi-stage drawing
Process and tooling design
Issue Date: 2010
Publisher: Springer
Source: International journal of advanced manufacturing technology, 2010, v. 46, no. 9-12, p. 993-1000 How to cite?
Journal: International journal of advanced manufacturing technology 
Abstract: This paper presents the design of multi-stage drawing process and tooling aided by finite element analysis (FEA) for fabrication of a miniature sheet metal component, made of a cold-reduced carbon steel material (SPCC). To design such a tooling, it is essential to figure out how many intermediate drawing steps are needed to produce the final part without deformation defect. First of all, a four-stage drawing process and a set of four-station tooling are designed. This pre-designed process is then analyzed by simulation, and the deformation behavior and formability in each stage is revealed. Based on the revealed deformation behavior and formability, the design of the process and tooling is confirmed. The reasonable drawing ratio and drawing depth in each drawing operation are determined. The size, clearance, and the corner radii of punch and die in each stage are also identified. The designed process and tooling are finally implemented. Through experiment, the "right design in the first time" is realized, and the simulation and experiment are found to have a good agreement. The research further demonstrates that the FEA simulation can be used as an effective tool to aid the design of metal-formed component, tooling, and process in upfront design process.
URI: http://hdl.handle.net/10397/28728
ISSN: 0268-3768
EISSN: 1433-3015
DOI: 10.1007/s00170-009-2163-z
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