NDLI: Numerical investigation of the influence of punch element in multi-point stretch forming process

Content Provider	Springer Nature Link
Author	Wang, Shaohui Cai, Zhongyi Li, Mingzhe
Copyright Year	2009
Abstract	Multi-point stretch forming (MPSF) technology is a flexible forming method, and it eliminates the need to the traditional fixed shaped-stretching die and, therefore, is a suitable method for forming small batch quantities of aircraft outer skin parts. Multi-point stretch die (MPSD) is composed of a punch element matrix, the size of punch elements and the radius of the hemispherical end of elements are the two important geometrical parameters of MPSD and they are major factors to influence the shape accuracy of MPSF parts. The smaller size of punch elements makes the punch element number of MPSD larger in the same area. MPSDs with different element numbers and different hemispherical end radii are used for stretch spherical and toroidal saddle-shaped parts. The dimples and the shape error of MPSF parts were analyzed, and the results show the influences of punch element number and element hemispherical end radius on forming results. MPSF tests show that the forming effect of MPSF is excellent.
Starting Page	475
Ending Page	483
Page Count	9
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	49
Issue Number	5-8
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-12-03
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Multi-point stretch-forming Punch element Sheet metal Dimples Shape error Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Production/Logistics Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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