COMPUTER CONTROLLED EXPERIMENTAL DEVICE FOR INVESTIGATIONS OF TRIBOLOGICAL INFLUENCES IN SHEET METAL FORMING

COMPUTER CONTROLLED EXPERIMENTAL DEVICE FOR INVESTIGATIONS OF TRIBOLOGICAL INFLUENCES IN SHEET METAL FORMING

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Sheet metal forming, especially deep drawing process is influenced by many factors. Blank holding force and drawbead displacement are two of them that can be controlled during the forming process.For this purpose, an electro-hydraulic computerized sheet-metal strip sliding device has been constructe...

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Bibliographic Details
Main Authors: Tomislav Vujinović, Vukić Lazić, Ružica Nikolić, Milentije Stefanović, Milan Đorđević, Srbislav Aleksandrović
Format: Article
Language:English
Published: Univerzity of Zilina. Faculty of Mechanical Engineering 2012-05-01
Series:Materiálové Inžinierstvo
Subjects:
Deep drawing
Drawbead
Variable contact conditions
Tribology
Online Access:http://fstroj.uniza.sk/journal-mi/PDF/2012/13-2012.pdf
Description
Summary:Sheet metal forming, especially deep drawing process is influenced by many factors. Blank holding force and drawbead displacement are two of them that can be controlled during the forming process.For this purpose, an electro-hydraulic computerized sheet-metal strip sliding device has been constructed. The basic characteristic of this device is realization of variable contact pressure and drawbead height as functions of time or stripe displacement. There are both, pressure and drawbead, ten linear and nonlinear functions. Additional features consist of the ability to measure drawing force, contact pressure, drawbead displacement etc.The device overview and first results of steel sheet stripe sliding over rounded drawbead are presented in the paper.
ISSN:1335-0803
1338-6174

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