EP 1914019 A1 20080423 - Press brake and related workpiece bending procedure
Title (en)
Press brake and related workpiece bending procedure
Title (de)
Abkantpresse und zugehöriges Verfahren zum Biegen von Werkstücken
Title (fr)
Presse plieuse et procédure correspondante de pliage de pièces
Publication
Application
Priority
IT TV20060182 A 20061018
Abstract (en)
The present invention relates to a press brake (1) comprising at least: - a die (3) that extends substantially along a horizontal longitudinal axis (4) of said press brake, said die being integrally connected to a base (2) of said press brake; and - a punch (5) that extends above said die, substantially along the same horizontal axis as said die, said punch being vertically movable in both directions (50) so as to co-operate with said die to achieve the bending of a workpiece (7); and - regulating means (10) for adjusting the procedure for bending the workpiece. In the press brake, according to the invention, the regulating means include first detecting means (11), which comprise: - light emitting means (12) suitable for emitting a beam of light (13) along the direction in which said die extends, to at least partially illuminate at least a portion of said die and/or of said punch, and/or of the workpiece, and to project the profile, on a predefined plane, of at least a portion of the cross-section of said lower die and/or of said punch, and/or of the workpiece; and - optical sensing means (14) suitable for acquiring an image of said projection, generated by said beam of light. In its further aspect, the present invention relates also to an improved and more reliable bending procedure of a workpiece.
IPC 8 full level
B21D 5/02 (2006.01)
CPC (source: EP)
B21D 5/0209 (2013.01)
Citation (search report)
- [XY] EP 1589279 A2 20051026 - SICK AG [DE]
- [XP] WO 2006135961 A1 20061228 - LAZER SAFE PTY LTD [AU], et al
- [Y] JP H03114615 A 19910515 - AMADA CO LTD
- [Y] JP 2003094116 A 20030402 - AMADA CO LTD, et al
- [A] US 4797831 A 19890110 - DRESSING PAUL A [US], et al
- [A] US 5483750 A 19960116 - OOENOKI TOSHIYUKI [JP], et al
- [A] JP 2004066248 A 20040304 - AMADA CO LTD
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 07118338 A 20071011; IT TV20060182 A 20061018