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HYDRAULIC DEVICE USED TO REGULATE AND CONTROL THE BLANKHOLDER FORCES DURING COLD FORMING PROCESS OF METAL SHEETS


CHIRIŢĂ CONSTANTIN *, BRABIE GHEORGHE **, HANGANU ADRIAN *, DUCA CORNELIU ***, CALFA DANIEL ***
* TECHNICAL UNIVERSITY "GHEORGHE ASACHI" OF IAŞI - FACULTY OF MACHINE MANUFACTURING AND INDUSTRIAL MANAGEMENT - DISAHP DEPARTMENT ** UNIVERSITY OF BACĂU, ROMANIA - FACULTY OF ENGINERY *** HYDRAMOLD SRL IAŞI, ROMANIA

Issue:

MOCM, Number 15, Volume II

Section:

Issue No. 15 - Volume II (2009)

Abstract:

The present theme of research proposes the elaboration of a technical solution for reduction or elimination of instability phenomena effect based on the study of blank holder force variation as a function of part configuration and different efforts that stress the material in different zones of the part. The article presented structure of hydraulic research equipment used to the metal sheets deformation, constructive and functional parameters and aspects concerning the influence of blank holder force on the intensity of instability phenomena.

Keywords:

hydraulic equipment, cold forming process, springback, control forces.

Code [ID]:

MOCM200915V02S01A0006 [0002709]


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