B - Operations – Transporting – 21 – J
Patent
B - Operations, Transporting
21
J
B21J 15/28 (2006.01) B21J 9/20 (2006.01) B21J 15/12 (2006.01)
Patent
CA 2325040
The invention relates to a method for controlling, monitoring and checking a forming operation of a metal-forming machine tool, especially a riveting machine (R). Said forming operation is performed on a workpiece (27) by means of a piston (4) which is moved against the workpiece (27). An upper piston surface (9) and/or a lower piston surface (10) is subjected to pressure in order to move the piston (4). When the piston (4) meets the workpiece (27), a change in pressure and/or force is measured in order to determine the beginning of forming or riveting.
L'invention concerne un procédé permettant de commander, de surveiller et de contrôler une opération de formage effectuée sur une pièce (27) par une machine de formage, notamment une riveteuse (R), à l'aide d'un piston (4). Ce dernier est déplacé en direction de la pièce (27). Pour déplacer le piston (4), une pression est appliquée sur une surface supérieure (9) et/ou une surface inférieure (10) du piston. Lorsque le piston (4) entre en contact avec la pièce (27), on mesure la modification de pression et/ou la modification de force pour déterminer le début d'un formage, notamment le début d'un rivetage.
Baltec Maschinenbau Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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