JPS6260202B2 - - Google Patents

Info

Publication number
JPS6260202B2
JPS6260202B2 JP3367184A JP3367184A JPS6260202B2 JP S6260202 B2 JPS6260202 B2 JP S6260202B2 JP 3367184 A JP3367184 A JP 3367184A JP 3367184 A JP3367184 A JP 3367184A JP S6260202 B2 JPS6260202 B2 JP S6260202B2
Authority
JP
Japan
Prior art keywords
drill
cutting edge
angle
cutting
range
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
JP3367184A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60177809A (ja
Inventor
Yoshikatsu Mori
Yoshio Doi
Hideo Fukagawa
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP3367184A priority Critical patent/JPS60177809A/ja
Publication of JPS60177809A publication Critical patent/JPS60177809A/ja
Publication of JPS6260202B2 publication Critical patent/JPS6260202B2/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
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
JP3367184A 1984-02-23 1984-02-23 ドリル Granted JPS60177809A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3367184A JPS60177809A (ja) 1984-02-23 1984-02-23 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3367184A JPS60177809A (ja) 1984-02-23 1984-02-23 ドリル

Publications (2)

Publication Number Publication Date
JPS60177809A JPS60177809A (ja) 1985-09-11
JPS6260202B2 true JPS6260202B2 (fr) 1987-12-15

Family

ID=12392913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3367184A Granted JPS60177809A (ja) 1984-02-23 1984-02-23 ドリル

Country Status (1)

Country Link
JP (1) JPS60177809A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6399112A (ja) * 1986-10-15 1988-04-30 Kobe Steel Ltd ドリル
US4983079A (en) * 1987-12-14 1991-01-08 Mitsubishi Kinzoku Kabushiki Kaisha Twist drill
US5230593A (en) * 1987-12-14 1993-07-27 Mitsubishi Kinzoku Kabushiki Kaisha Twist drill
DE19961586A1 (de) * 1999-12-21 2001-07-05 Bosch Gmbh Robert Schlagunterstützte Handbohrmaschine
DE10027544A1 (de) * 2000-06-02 2001-12-13 Kennametal Inc Bohrerspitze für einen Spiralbohrer und Verfahren zum Herstellen einer Spannut im Bereich einer Bohrerspitze für einen Spiralbohrer
US9199315B2 (en) 2000-06-02 2015-12-01 Kennametal Inc. Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
JP4694702B2 (ja) * 2001-01-17 2011-06-08 ダイジ▲ェ▼ット工業株式会社 耐熱金属用ドリル
GB201706687D0 (en) 2017-04-27 2017-06-14 Rolls Royce Plc A cutting tool
EP3401042B1 (fr) * 2017-05-11 2020-07-22 Sandvik Intellectual Property AB Corps de foret et foret

Also Published As

Publication number Publication date
JPS60177809A (ja) 1985-09-11

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