Influence of tool geometry variations on the limiting drawing ratio in micro deep drawing

G Behrens, FO Trier, H Tetzel, F Vollertsen - International Journal of …, 2016 - Springer
In this study, the impact of different tool geometries on the limiting drawing ratio (LDR) in
micro deep drawing was investigated. Experimental micro deep drawing tests to determine …

[PDF][PDF] Effect of thickness to grain size ratio on drawability for micro deep drawing of AISI 304 stainless steel

RS Lee, CH Chen, JT Gau - The 9th International Conference on …, 2008 - researchgate.net
Although deep drawing process in the macro scale are well developed, the known concepts
cannot be applied to micro deep drawing through directly scale down the specimen and …

Influence of tool geometry variation on the punch force in micro deep drawing

G Behrens, F Vollertsen - Key Engineering Materials, 2013 - Trans Tech Publ
Micro forming processes are very well suited for manufacturing of small metal parts in large
quantities and micro deep drawing provides a great application potential for the …

Effect of tool geometry variations on the punch force in micro deep drawing of rectangular components

G Behrens, M Ruhe, H Tetzel, F Vollertsen - Production Engineering, 2015 - Springer
In this study, the impact of tool geometry variations on the punch force in micro deep drawing
of rectangular parts was investigated. In contrast to deep drawing of rotationally symmetrical …

On the drawing limit in micro deep drawing

F Vollertsen, Z Hu - Advanced Technologies and Materials, 2007 - jged.uns.ac.rs
Micro deep drawing becomes a more and more industrial relevant process. But due to size
effects new challenges are involved in this process compared to macro deep drawing. The …

Analysis of punch velocity dependent process window in micro deep drawing

F Vollertsen, Z Hu - Production Engineering, 2010 - Springer
Micro forming is an appropriate technology to manufacture very small metal parts, in
particular for bulk production, as they are required in many industrial products resulting from …

Validation of FEM‐simulation for micro deep drawing process modeling

N Witulski, H Justinger, G Hirt - AIP conference proceedings, 2004 - pubs.aip.org
The miniaturization of sheet deep drawing is one possible solution for the production of
metallic microparts. However, when reducing the product size to dimensions around 1 mm …

Forming behavior of thin foils

ZY Hu, H Wielage, F Vollertsen - Key Engineering Materials, 2011 - Trans Tech Publ
Due to size effects new challenges are involved in micro deep drawing compared to macro
deep drawing. One of these challenges is that the limit drawing ratio in micro deep drawing …

Analysis of size-effects in the miniaturized deep drawing process

H Justinger, G Hirt - Key Engineering Materials, 2007 - Trans Tech Publ
With the increasing trend towards miniaturization and the enhanced demand for small
components, reliable processes for mass production are needed. Today the deep drawing …

Process analysis and design in micro deep drawing utilizing a flexible die

IK Irthiea - 2014 - theses.gla.ac.uk
As a result of the remarkable demands on electronic and other portable compact devices,
the need to produce various miniaturized parts, particularly those made from metallic sheet …