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Invention Grant
US08740517B2 Only partly ground tool rod made of sintered material 有权
仅由部分磨削由烧结材料制成的工具杆

  • Patent Title: Only partly ground tool rod made of sintered material
  • Patent Title (中): 仅由部分磨削由烧结材料制成的工具杆
  • Application No.: US12733683
    Application Date: 2008-09-15
  • Publication No.: US08740517B2
    Publication Date: 2014-06-03
  • Inventor: Arno Friedrichs
  • Applicant: Arno Friedrichs
  • Agency: Jacobson Holman PLLC
  • Priority: DE102007044269 20070917
  • International Application: PCT/EP2008/062236 WO 20080915
  • International Announcement: WO2009/037223 WO 20090326
  • Main IPC: B23B51/02
  • IPC: B23B51/02
Only partly ground tool rod made of sintered material
Abstract:
A tool bit (1) ready for use consists of a sintered material. It has a longitudinal axis (3). At least one swarf chamber (4) spaced from the longitudinal axis (3) land extending along the longitudinal axis (3) is formed in the tool bit (1). The tool bit (1) has at least one cutting edge (8, 10), which is formed in the tool bit (1) by grinding the already sintered tool bit (1), adjoining the swarf chamber (4). According to the invention the swarf chamber (4) is ground only partly and is otherwise unground.
Abstract(Chinese):

准备使用的刀头（1）由烧结材料组成。 它具有纵轴（3）。 在工具钻头（1）中形成有至少一个与纵向轴线（3）间隔开的沿着纵向轴线（3）延伸的切屑室（4）。 工具钻头（1）具有至少一个切削刃（8,10），该刀刃通过磨削邻接切屑腔（4）的已经烧结的刀头（1）形成在刀头（1）中。 根据本发明，切屑室（4）仅部分研磨，否则不接地。

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