JPS59183712U - Drill - Google Patents

Drill

Info

Publication number
JPS59183712U
JPS59183712U JP7868383U JP7868383U JPS59183712U JP S59183712 U JPS59183712 U JP S59183712U JP 7868383 U JP7868383 U JP 7868383U JP 7868383 U JP7868383 U JP 7868383U JP S59183712 U JPS59183712 U JP S59183712U
Authority
JP
Japan
Prior art keywords
cutting edge
drill
rake face
face
divided
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.)
Granted
Application number
JP7868383U
Other languages
Japanese (ja)
Other versions
JPS634568Y2 (en
Inventor
原田　定文
Original Assignee
富士精工株式会社
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 富士精工株式会社 filed Critical 富士精工株式会社
Priority to JP7868383U priority Critical patent/JPS59183712U/en
Publication of JPS59183712U publication Critical patent/JPS59183712U/en
Application granted granted Critical
Publication of JPS634568Y2 publication Critical patent/JPS634568Y2/ja
Granted legal-status Critical Current

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  • Drilling Tools (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例であるドリルを示す正面図で
あり、第２図は第１図におけるＡ矢視図、第３図は第２
図における■−■断面図である。 ２：ボデー、４：シャンク、１２：切屑排出溝、１４：
ランド、１６：溝、１８：チップ、２０：主切れ刃、２
２：第−主逃げ面、２４：第二主逃げ面、２６：すくい
面、２８：副切れ刃、３０：副逃げ面、３２：段付部。Fig. 1 is a front view showing a drill which is an embodiment of the present invention, Fig. 2 is a view taken in the direction of arrow A in Fig. 1, and Fig. 3 is a
It is a sectional view taken along the line ■-■ in the figure. 2: Body, 4: Shank, 12: Chip discharge groove, 14:
Land, 16: Groove, 18: Chip, 20: Main cutting edge, 2
2: 1st main flank surface, 24: 2nd main flank surface, 26: rake surface, 28: auxiliary cutting edge, 30: auxiliary flank surface, 32: stepped portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] すくい面に副切れ刃にほぼ平行な方向に延びる少なくと
も１つの段付部を形成することにより該すくい面と逃げ
面との交線である主切れ刃を複数に分割したことを特徴
とするドリル。A drill characterized in that the main cutting edge, which is the intersection line between the rake face and the flank face, is divided into a plurality of parts by forming at least one stepped part on the rake face that extends in a direction substantially parallel to the minor cutting edge. .
JP7868383U 1983-05-25 1983-05-25 Drill Granted JPS59183712U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7868383U JPS59183712U (en) 1983-05-25 1983-05-25 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7868383U JPS59183712U (en) 1983-05-25 1983-05-25 Drill

Publications (2)

Publication Number Publication Date
JPS59183712U true JPS59183712U (en) 1984-12-07
JPS634568Y2 JPS634568Y2 (en) 1988-02-05

Family

ID=30208685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7868383U Granted JPS59183712U (en) 1983-05-25 1983-05-25 Drill

Country Status (1)

Country Link
JP (1) JPS59183712U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63267110A (en) * 1987-04-21 1988-11-04 Mitsubishi Metal Corp Brazed drill
JP2017124475A (en) * 2016-01-15 2017-07-20 三菱日立ツール株式会社 drill

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611021U (en) * 1979-07-04 1981-01-30
JPS57108817U (en) * 1980-12-26 1982-07-05
JPS57186211U (en) * 1981-05-21 1982-11-26

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419215A (en) * 1977-07-12 1979-02-13 Matsushita Electric Works Ltd Fittings for eaves trough hook

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611021U (en) * 1979-07-04 1981-01-30
JPS57108817U (en) * 1980-12-26 1982-07-05
JPS57186211U (en) * 1981-05-21 1982-11-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63267110A (en) * 1987-04-21 1988-11-04 Mitsubishi Metal Corp Brazed drill
JP2017124475A (en) * 2016-01-15 2017-07-20 三菱日立ツール株式会社 drill

Also Published As

Publication number Publication date
JPS634568Y2 (en) 1988-02-05

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