JPS6442816U - - Google Patents

Info

Publication number
JPS6442816U
JPS6442816U JP13785687U JP13785687U JPS6442816U JP S6442816 U JPS6442816 U JP S6442816U JP 13785687 U JP13785687 U JP 13785687U JP 13785687 U JP13785687 U JP 13785687U JP S6442816 U JPS6442816 U JP S6442816U
Authority
JP
Japan
Prior art keywords
oil hole
tool body
center
tip flank
opening
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
JP13785687U
Other languages
Japanese (ja)
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 JP13785687U priority Critical patent/JPS6442816U/ja
Publication of JPS6442816U publication Critical patent/JPS6442816U/ja
Pending legal-status Critical Current

Links

Description

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

第１図ないし第３図は本考案の一実施例を示す
図であつて、第１図は油穴付きツイストドリルを
示す底面図、第２図はその軸断面図、第３図はそ
の側面図、第４図ないし第６図は本考案の他の実
施例を示す図であつて、第４図は油穴付きストレ
ートドリルを示す側面図、第５図は第４図のＶ方
向矢視図、第６図は第４図の―線視断面図、
第７図および第８図は従来の油穴付きドリルの一
例を示す図であつて、第７図はその側面図、第８
図は第７図の―線視断面図である。 ２……ムクチツプ（工具本体）、３……ねじれ
溝（切屑排出溝）、４……油穴、１１……ムクチ
ツプ、１２……ねじれ溝（切屑排出溝）、１３…
…油穴、１６……ムクチツプ（工具本体）、１７
……切屑排出溝、１８……油穴。 1 to 3 are views showing one embodiment of the present invention, in which FIG. 1 is a bottom view showing a twist drill with an oil hole, FIG. 2 is an axial sectional view thereof, and FIG. 3 is a side view thereof. 4 to 6 are views showing other embodiments of the present invention, in which FIG. 4 is a side view showing a straight drill with an oil hole, and FIG. 5 is a view taken in the direction of arrow V in FIG. 4. Figure 6 is a cross-sectional view of Figure 4,
7 and 8 are diagrams showing an example of a conventional drill with an oil hole, in which FIG. 7 is a side view and FIG.
The figure is a sectional view taken along the line -- in FIG. 2...Mukchip (tool body), 3...Twisted groove (chip discharge groove), 4...Oil hole, 11...Mukuchip, 12...Twisted groove (chip discharge groove), 13...
...Oil hole, 16...Mukchip (tool body), 17
...Chip discharge groove, 18...Oil hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 工具本体の外周部に、該工具本体の先端逃げ面
に開口する２つの切屑排出溝が形成されるととも
に、上記工具本体の内部に、上記先端逃げ面に開
口する油穴が形成された油穴付きドリルにおいて
、上記油穴の軸断面形状を、内壁面間距離が油穴
のほぼ中央から工具本体の回転中心へ向かうにし
たがつて漸次減少する滴形に形成したことを特徴
とする油穴付きドリル。 an oil hole in which two chip discharge grooves opening to the tip flank of the tool body are formed on the outer periphery of the tool body, and an oil hole opening to the tip flank is formed inside the tool body; The oil hole is characterized in that the axial cross-sectional shape of the oil hole is formed into a drop shape in which the distance between the inner wall surfaces gradually decreases from approximately the center of the oil hole toward the center of rotation of the tool body. attached drill.
JP13785687U 1987-09-09 1987-09-09 Pending JPS6442816U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13785687U JPS6442816U (en) 1987-09-09 1987-09-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13785687U JPS6442816U (en) 1987-09-09 1987-09-09

Publications (1)

Publication Number Publication Date
JPS6442816U true JPS6442816U (en) 1989-03-14

Family

ID=31399662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13785687U Pending JPS6442816U (en) 1987-09-09 1987-09-09

Country Status (1)

Country Link
JP (1) JPS6442816U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010146839A1 (en) 2009-06-15 2010-12-23 三菱マテリアル株式会社 Drill with coolant holes
JP2011121173A (en) * 2002-12-19 2011-06-23 Guehring Joerg Cooling channel geometry
EP3228409A1 (en) * 2016-04-07 2017-10-11 Mikron Tool Sa Agno Machining tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62136306A (en) * 1985-12-05 1987-06-19 Mitsubishi Metal Corp Two-flute gun drill
JPS62240701A (en) * 1986-04-11 1987-10-21 Toshiba Tungaloy Co Ltd Molding method for extrusion molding having twisted hole

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62136306A (en) * 1985-12-05 1987-06-19 Mitsubishi Metal Corp Two-flute gun drill
JPS62240701A (en) * 1986-04-11 1987-10-21 Toshiba Tungaloy Co Ltd Molding method for extrusion molding having twisted hole

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011121173A (en) * 2002-12-19 2011-06-23 Guehring Joerg Cooling channel geometry
WO2010146839A1 (en) 2009-06-15 2010-12-23 三菱マテリアル株式会社 Drill with coolant holes
US9216460B2 (en) 2009-06-15 2015-12-22 Mitsubishi Materials Corporation Coolant-hole equipped drill
EP3228409A1 (en) * 2016-04-07 2017-10-11 Mikron Tool Sa Agno Machining tool
CH712323A1 (en) * 2016-04-07 2017-10-13 Mikron Tool Sa Agno Machining tool with at least one cooling channel.
US10442012B2 (en) 2016-04-07 2019-10-15 Mikron Tool Sa Agno Machining tool

Similar Documents

Publication Publication Date Title
JPS6442816U (en)
JPS6281526U (en)
JPS61200919U (en)
JPH0362714U (en)
JPS6182053U (en)
JPS61141008U (en)
JPS6183401U (en)
JPS61176231U (en)
JPS6211513U (en)
JPS6320516U (en)
JPS6189417U (en)
JPS6113021U (en) ball joint
JPS59191214U (en) single blade end mill
JPS6436112U (en)
JPS6450007U (en)
JPH02114411U (en)
JPS60133211U (en) screw with hole
JPS58143107U (en) Roll lock milling chuck
JPH023313U (en)
JPS60122018U (en) Bolt holder for woodworking
JPS6260233U (en)
JPS6330414U (en)
JPS62174815U (en)
JPS6370816U (en)
JPS5917180U (en) Impact type pneumatic tool bit holder