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公开(公告)号：EP0781181B1
公开(公告)日：1998-12-09
申请号：EP95929771.4
申请日：1995-09-05
申请人： Widia GmbH
IPC分类号： B23B27/04
CPC分类号： B23B27/045
摘要： Disclosed is a cutter insert for machining workpieces, the insert having a front cutting edge (15) disposed at right angles to the longitudinal axis (25) of the insert, a central concave chip-forming depression (23) delimited at each side by chamfers (21, 22) to protect the cutting face. Behind each of the chamfers (21, 22), facing towards the chip-forming depression (23) and extending out into the depression, are nose-like chip-forming elements (24) which are disposed symmetrically with respect to the longitudinal axis (25) of the insert and which abruptly narrow the bottom face of the chip-forming depression, preferably non-continuously, in the chip-runoff direction.
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公开(公告)号：EP0781181A1
公开(公告)日：1997-07-02
申请号：EP95929771.0
申请日：1995-09-05
申请人： Widia GmbH
IPC分类号： B23B27
CPC分类号： B23B27/045
摘要： Disclosed is a cutter insert for machining workpieces, the insert having a front cutting edge (15) disposed at right angles to the longitudinal axis (25) of the insert, a central concave chip-forming depression (23) delimited at each side by chamfers (21, 22) to protect the cutting face. Behind each of the chamfers (21, 22), facing towards the chip-forming depression (23) and extending out into the depression, are nose-like chip-forming elements (24) which are disposed symmetrically with respect to the longitudinal axis (25) of the insert and which abruptly narrow the bottom face of the chip-forming depression, preferably non-continuously, in the chip-runoff direction.
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