Analysis of process limits for open-die forging with superimposed manipulator displacements in vertical direction
Analysis of process limits for open-die forging with superimposed manipulator displacements in vertical direction
复制标题
机械手垂直方向叠加位移开模锻造工艺极限分析
DOI:
10.1007/s11740-019-00918-y
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Reinisch
中科院分区:
文献类型:
--
作者:
Wolfgarten;Reinisch
Open-die forging is an incremental bulk metal forming process providing excellent mechanical properties and lifetime. Therefore, open-die forged parts are used for highly loaded application purposes e.g., in energy technology. However, the range of producible geometries in open-die forging is limited mainly to long and straight workpieces with simple cross-sections. Here, open-die forging with superimposed manipulator displacements offers a large potential for the production of curved workpieces. The new process concept is based on the idea, that the manipulator, originally designed as a handling device, is now actively used to control the material flow towards an intended final geometry. The idea was successfully realized for the production of curved workpieces by open-die forging. The hereby-presented investigations now aim at an analysis of the process limits for bending in vertical direction. Based on a fundamental analysis, a tilting of the samples between the forging dies and an undesired contact of the curvature with the forging die were identified as main process limits leading to a reduction of the curvature. By numerical simulation and fundamental geometric analysis, a process window was identified, where the occurrence of process limits and thus a reduction of curvature can be avoided. Finally, experimental validation was carried out at the industrially scaled open-die forging setup at IBF proving that the identified process window can successfully be realized.
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DOI:
--
发表时间:
1984
期刊:
影响因子:
--
作者:
Y. Tozawa;T. Ishikawa;Y. Mihara
通讯作者:
Y. Mihara
DOI:
10.4028/www.scientific.net/kem.651-653.272
发表时间:
2015
期刊:
Key Engineering Materials
影响因子:
--
作者:
Wolfgarten;Rosenstock;Freitag
通讯作者:
Freitag
影响因子:
4.1
作者:
Wolfgarten
通讯作者:
Wolfgarten
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
作者:
Martin Wolfgarten;Dirk Rosenstock;R. Schwarz;H. Schäfer;G. Hirt
通讯作者:
G. Hirt
影响因子:
1.1
作者:
Oliver Ziegelmayer;V. Schneider;R. Kopp;O. Dürr
通讯作者:
O. Dürr