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CUTTING INSERT CAPABLE OF EFFICIENTLY CONTROLLING A CHIP WITHOUT THE INCREASING OF THE CUTTING LOAD IN THE WIDE CUTTING CONDITIONS
CUTTING INSERT CAPABLE OF EFFICIENTLY CONTROLLING A CHIP WITHOUT THE INCREASING OF THE CUTTING LOAD IN THE WIDE CUTTING CONDITIONS
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机译：在广泛的切割条件下，在不增加切割负荷的情况下，能够有效控制芯片的切割插入能力
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摘要
PURPOSE: A cutting insert is provided to reduce the cutting load by reducing the contact area of the discharged chip and multipling the heat radiation through a discharging chip.;CONSTITUTION: A cutting insert comprises an upper side(100), a lower side(200), a plurality of sides(300), and a center hole(400). A plurality of sides connects the upper side and lower side. The center hole passes through the upper side and lower side. The lower side has a flat support surface. The cutting edge(101) is formed in the boundary between the side and the upper side. The corner cutting portion(102) is formed in the boundary of the adjacent cutting edge of two. The corner cutting portion is formed at the high position. The center portion between the corner cutting portions is formed at the low position. A landing portion, a downward inclined surface, a floor side, a seating surface portion is consecutively formed from the cutting edge to the inner side. A plurality of hemispherical projections is formed in the boundary between the downward inclined surface and the floor. One or more corner cutting portion has the corner floor side enclosed by an arc strip-shaped projection connecting two hemispherical projections.;COPYRIGHT KIPO 2011
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