Global Patent Index - EP 2361758 A3

EP 2361758 A3 20140115 - Method for adjusting press parameters of a ceramic or metal powder press and ceramic or metal powder press for performing the method

Title (en)

Method for adjusting press parameters of a ceramic or metal powder press and ceramic or metal powder press for performing the method

Title (de)

Verfahren zur Pressparameteranpassung einer Keramik- oder Metallpulverpresse und Keramik-oder Metallpulverpresse zum Durchführen des Verfahrens

Title (fr)

Procédé d'ajustement des paramètres de pressage d'une presse à poudre céramique ou métallique et presse à poudre céramique ou métallique destinée à l'exécution du procédé

Publication

EP 2361758 A3 20140115 (DE)

Application

EP 11001543 A 20110224

Priority

DE 102010008986 A 20100224

Abstract (en)

[origin: EP2361758A2] The method comprises pressing a pressing body to a predetermined pressing body dimension in an opening of a matrix (0) using stamps (7, 8, 17, 18) supported on stamp carriers (1, 2, 3, 4) and made of powder and/or granules, regulating an actuator (29) along a sequence of set-point values for pressing the pressing body during pressing within a pressing cycle, testing an observance of the sequence of the set-point values during the pressing, and performing a readjustment of the actuator during a deviation of the sequence of the set-point values larger than a tolerance value. The method comprises pressing a pressing body to a predetermined pressing body dimension in an opening of a matrix (0) using stamps (7, 8, 17, 18) supported on stamp carriers (1, 2, 3, 4) and made of powder and/or granules, regulating an actuator (29) along a sequence of set-point values for pressing the pressing body during pressing within a pressing cycle, testing an observance of the sequence of the set-point values during the pressing, performing a readjustment of the actuator during a deviation of the sequence of the set-point values larger than a tolerance value, and measuring an interval between a first measuring point on a first fixed stop (20, 21) that supports one of the stamp carriers onto a side of the matrix opening and a second measuring point on a second fixed stop that supports one of the stamp carriers onto an opposite side of the matrix opening for comparing the sequence of the set-point values. During pressing, 5% of the total pressing paths are determined at the last. A position of the front side edges of the first fixed stop turned towards the stamp carrier to be supported, a position of spaced markers on the fixed stops and/or a position of the measuring elements leading away from fixed stop are used as the measuring points. A position on a centrally placed first fixed stop is used as one of the measuring points, where the first fixed stop lies in a force line between the matrix opening and a force introduction area of a pressing drive. The pressing drive such as a main pressing cylinder is readjusted as the actuator. An independent claim is included for a ceramic- or metal powder press.

IPC 8 full level

B30B 11/00 (2006.01); B22F 3/03 (2006.01); B28B 3/08 (2006.01); B28B 17/00 (2006.01)

CPC (source: EP)

B22F 3/03 (2013.01); B28B 3/086 (2013.01); B28B 17/0081 (2013.01); B30B 11/005 (2013.01); B22F 2003/033 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2361758 A2 20110831; EP 2361758 A3 20140115; EP 2361758 B1 20160420; DE 102010008986 A1 20110825

DOCDB simple family (application)

EP 11001543 A 20110224; DE 102010008986 A 20100224