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    • 3. 发明公开
    • UNTERLEGPLATTE FÜR DOPPELSEITIGE WENDESCHNEIDEINSÄTZE
    • 沉双面切削刀片车削
    • EP2004350A1
    • 2008-12-24
    • EP07726853.0
    • 2007-03-13
    • WALTER AG
    • CARL, Hans-Georg
    • B23B27/16
    • B23B27/1614B23B2200/163B23B2205/12B23B2205/16Y10T407/1924Y10T407/22Y10T407/2224Y10T407/23
    • The present invention relates to a substrate plate (10) for a double-sided indexable cutting insert (20), which is to be fixed within a tool (30) to be equipped with at least one cutting insert, where the tool has at least one seat (31) for at least one indexable cutting insert (20), where the substrate plate (10) has a plate-like fundamental shape with a round or polygonal outline and with a lower contact area (1), generally planar, which can be placed in contact with one area (32) of the seat (31), and with an upper support area (2) bearing the indexable cutting insert (20), where the contact area (1) and support area (2) have connection to one another via side walls (3) defining the periphery of the substrate plate. The invention proposes, in order to provide a substrate plate and appropriate combinations composed of substrate plates and indexable cutting plates, and also to provide appropriate tools which ensure very precise seating of the indexable cutting plate and nevertheless also give better protection of the cutting edges on that side of the cutting insert facing towards the substrate plate, with respect to disadvantageous contact and damage via swarf impact, that the support area (2), has, at a distance from the side areas (3), a plateau (4) arranged parallel to the contact area, and that the upper edges (5) formed on the substrate plate (10) at the transition between the side walls (3) and the support area (2) have a varying distance from the plane of the lower contact area.