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Throw-away insert and milling cutter using throw-away insert
Throw-away insert and milling cutter using throw-away insert
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机译:抛弃式刀片和使用抛弃式刀片的铣刀
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摘要
A throw-away insert 1 includes: an upper surface 2; a bottom surface; two side surfaces; two end surfaces; a main cutting section 6 formed from a ridge line positioned at the intersection between the side surfaces and the upper surface; a secondary cutting section 7 formed from a ridge line positioned at the intersection between the end surfaces and the upper surface; an axial support surface 8 supported by an insert pocket of a cutter body; and noses 9-1 - 9-4 formed at the corners of the upper surface. The corner angles of the noses 9-1 - 9-4 when seen from above are essentially right angles. The axial support surface 8 is formed as a section of the end surface. The secondary cutting section 7 is parallel to the ridge line at the upper end of the axial support surface 8 and the bottom surface. The upper end of the axial support surface is positioned so that it is projected more in the direction of the longitudinal axis of the main cutting section than the ridge line 13 of the upper end.
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