| 摘要 |
<p>A divided tool (P) that can be mounted and demounted and exchanged to a tool holder (9) of a press brake, the tool has a work processing section and a shank part for engaging a mounting groove (13U) of the tool holder (9), the shank part having an engagement concave part (25) for engaging a lock piece (15U) provided free to appear or disappear in the mounting groove (13U), an engagement piece (27) that can appear and disappear for engaging an engagement groove (19U) formed in the mounting groove (13U), and an insertion hole (37) into which a tool support part (97T, 107T) for supporting the divided tool (P) and for operating appearance and disappearance of the engagement piece (27) can be inserted, freely is provided near the shank part (23).</p><p><Paragraphs id="pa02" num="0002" xmlns:base="http://www.sipo.gov.cn/XMLSchema/base">The tool exchange device (61) exchanges a divided tool (P) between the tool holder (9) and an exchange tool support that supports detachably a plurality of divided tools.
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