JPS6156044B2 - - Google Patents

Info

Publication number
JPS6156044B2
JPS6156044B2 JP57115795A JP11579582A JPS6156044B2 JP S6156044 B2 JPS6156044 B2 JP S6156044B2 JP 57115795 A JP57115795 A JP 57115795A JP 11579582 A JP11579582 A JP 11579582A JP S6156044 B2 JPS6156044 B2 JP S6156044B2
Authority
JP
Japan
Prior art keywords
cutting edge
curvature
groove
drill
chip
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.)
Expired
Application number
JP57115795A
Other languages
English (en)
Japanese (ja)
Other versions
JPS597510A (ja
Inventor
Toshiaki Hosoi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to JP57115795A priority Critical patent/JPS597510A/ja
Publication of JPS597510A publication Critical patent/JPS597510A/ja
Publication of JPS6156044B2 publication Critical patent/JPS6156044B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/48—Chip breakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
JP57115795A 1982-07-02 1982-07-02 ドリル Granted JPS597510A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57115795A JPS597510A (ja) 1982-07-02 1982-07-02 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57115795A JPS597510A (ja) 1982-07-02 1982-07-02 ドリル

Publications (2)

Publication Number Publication Date
JPS597510A JPS597510A (ja) 1984-01-14
JPS6156044B2 true JPS6156044B2 (2) 1986-12-01

Family

ID=14671257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57115795A Granted JPS597510A (ja) 1982-07-02 1982-07-02 ドリル

Country Status (1)

Country Link
JP (1) JPS597510A (2)

Also Published As

Publication number Publication date
JPS597510A (ja) 1984-01-14

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