Drill and production method thereof

专利名称：Drill and production method thereof发明人：Mabuchi, Masayuki c/o Mitsubishi Materials

Corp.,Yanagida, Kazuya c/o MitsubishiMaterials Corp.,Suzuki, Katsuyuki c/oMitsubishi Materials Corp.,Takiguchi, Syojic/o Mitsubishi Materials Corp.

申请号：EP05026990.1申请日：20030901公开号：EP1632301A2公开日：20060308

专利附图：

摘要：A drill comprising a chip discharge groove (205) extending towards the rear endside formed in the outer periphery of a drilling end section which is the tip side section ofa drill body that rotates around an axis, and a cutting edge formed on an intersectingridgeline section between an inner wall surface facing towards the front in the directionof drill rotation of the chip discharge groove and a tip flank of the drilling end section;wherein, together with a hard coating (211) being applied to the surface of the drillingend section, polishing is performed on the surface of at least a margin section (209)

formed on a land section of the drilling end section.

申请人：MITSUBISHI MATERIALS CORPORATION

地址：5-1, Otemachi 1-chome Chiyoda-ku, Tokyo JP

国籍：JP

代理机构：HOFFMANN EITLE

更多信息请下载全文后查看