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1. 发明申请

US20210268565A1 METHOD FOR OPERATING A BENDING PRESS 有权
公开(公告)号：US20210268565A1
公开(公告)日：2021-09-02
申请号：US17255058
申请日：2019-07-30
申请人： TRUMPF Maschinen Austria GmbH & Co. KG.
发明人： Thomas DENKMEIER , David HAIM , Peter SIMMEL
IPC分类号： B21D5/02 , B21D55/00 , F16P3/14
摘要： The invention relates to a method for operating a bending press (10), wherein the bending press (10) comprises a first platform (1) with a first tool mount (11) and a second platform (2) with a second tool mount (12), wherein one of the platforms (1) is movable relative to the other platform (2) for performing a working movement, a safety device (20) for creating a light barrier (27), in particular laser light barrier, extending between the tool mounts (11, 12) transversely to the working movement of the movable platform (1), which light barrier (27), in a cross-section, forms a light field (7), wherein the safety device (20) has a first mount (21), which carries a light emitter (25) for creating the light barrier (27), and a second mount (22), which carries a light receiver (26) for receiving the light of the light barrier (27), and wherein the first mount (21) is arranged on a first side of the first platform (1) and is adjustable relative to the first platform (1) by a first adjustment drive (23), such that the position of the light barrier (27) relative to the first tool mount (11) can be changed in the direction of the working movement of the movable platform (1), a controller (9) that is connected to the first adjustment drive (23), characterized in that before a bending operation or a series of bending operations, the controller (9) brings the first mount (21) into a working position by controlling the first adjustment drive (23), in which working position the tool tip (4) of a bending tool (8) held by the first tool mount (11) lies within the light field (7) formed by the light barrier (27).

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