JPS644516U - - Google Patents

Info

Publication number
JPS644516U
JPS644516U JP10020687U JP10020687U JPS644516U JP S644516 U JPS644516 U JP S644516U JP 10020687 U JP10020687 U JP 10020687U JP 10020687 U JP10020687 U JP 10020687U JP S644516 U JPS644516 U JP S644516U
Authority
JP
Japan
Prior art keywords
discharge groove
chip discharge
drill reamer
rake
rake face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10020687U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10020687U priority Critical patent/JPS644516U/ja
Publication of JPS644516U publication Critical patent/JPS644516U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Description

【図面の簡単な説明】
第１図および第２図は本考案の一実施例を示す
図であつて、第１図はドリルリーマを示す側面図
、第２図は第１図の方向矢視図、第３図は本考
案のドリルリーマのすくい面の断面曲線を示す線
図、第４図はすくい面の表面粗さと切削トルクと
の関係を示す線図、第５図は従来のドリルリーマ
のすくい面の断面曲線を示す線図である。 ２……ムクチツプ（工具本体）、６……すくい
面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 焼結合金からなる工具先端部の外周に切屑排出
    溝が形成され、この切屑排出溝の回転方向を向く
    壁面がすくい面とされたドリルリーマにおいて、
    少なくとも上記すくい面の表面粗さを最大０．２
    Ｓとしたことを特徴とするドリルリーマ。
JP10020687U 1987-06-30 1987-06-30 Pending JPS644516U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10020687U JPS644516U (ja) 1987-06-30 1987-06-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10020687U JPS644516U (ja) 1987-06-30 1987-06-30

Publications (1)

Publication Number Publication Date
JPS644516U true JPS644516U (ja) 1989-01-12

Family

ID=31328074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10020687U Pending JPS644516U (ja) 1987-06-30 1987-06-30

Country Status (1)

Country Link
JP (1) JPS644516U (ja)

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