JPH028850B2 - - Google Patents

Info

Publication number
JPH028850B2
JPH028850B2 JP60067207A JP6720785A JPH028850B2 JP H028850 B2 JPH028850 B2 JP H028850B2 JP 60067207 A JP60067207 A JP 60067207A JP 6720785 A JP6720785 A JP 6720785A JP H028850 B2 JPH028850 B2 JP H028850B2
Authority
JP
Japan
Prior art keywords
drill
oil
groove
inner core
oil hole
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 - Lifetime
Application number
JP60067207A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61226231A (ja
Inventor
Kojiro Imanaga
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP6720785A priority Critical patent/JPS61226231A/ja
Publication of JPS61226231A publication Critical patent/JPS61226231A/ja
Publication of JPH028850B2 publication Critical patent/JPH028850B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/32—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools twist-drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Powder Metallurgy (AREA)
JP6720785A 1985-03-30 1985-03-30 油孔付き超硬ソリツドドリルの製造方法 Granted JPS61226231A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6720785A JPS61226231A (ja) 1985-03-30 1985-03-30 油孔付き超硬ソリツドドリルの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6720785A JPS61226231A (ja) 1985-03-30 1985-03-30 油孔付き超硬ソリツドドリルの製造方法

Publications (2)

Publication Number Publication Date
JPS61226231A JPS61226231A (ja) 1986-10-08
JPH028850B2 true JPH028850B2 (enExample) 1990-02-27

Family

ID=13338229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6720785A Granted JPS61226231A (ja) 1985-03-30 1985-03-30 油孔付き超硬ソリツドドリルの製造方法

Country Status (1)

Country Link
JP (1) JPS61226231A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601385A1 (de) * 1986-01-18 1987-07-23 Krupp Gmbh Verfahren zur herstellung von sinterkoerpern mit inneren kanaelen, strangpresswerkzeug zur durchfuehrung des verfahrens und bohrwerkzeug
JP2003275915A (ja) * 2002-03-25 2003-09-30 Mitsubishi Materials Corp 超硬合金製油穴付きドリルの製造方法および超硬合金製油穴付きドリル
US8637127B2 (en) * 2005-06-27 2014-01-28 Kennametal Inc. Composite article with coolant channels and tool fabrication method
EP2078101A2 (en) 2006-10-25 2009-07-15 TDY Industries, Inc. Articles having improved resistance to thermal cracking
US8308096B2 (en) 2009-07-14 2012-11-13 TDY Industries, LLC Reinforced roll and method of making same
DE102009043850A1 (de) * 2009-08-25 2011-03-03 Arno Friedrichs Werkzeug
US8821082B1 (en) 2009-09-29 2014-09-02 The Boeing Company Stiffening sleeve for tool holders
US8926238B1 (en) * 2009-09-29 2015-01-06 The Boeing Company Cutting tool sleeve for tool holders
US9643236B2 (en) 2009-11-11 2017-05-09 Landis Solutions Llc Thread rolling die and method of making same
KR100983291B1 (ko) * 2010-04-23 2010-09-24 유림전기(주) 재활용 라우터 비트의 제조방법
US9016406B2 (en) 2011-09-22 2015-04-28 Kennametal Inc. Cutting inserts for earth-boring bits

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5499710A (en) * 1978-01-24 1979-08-06 Kobe Steel Ltd Manufacture of raw material of drill with oil hole
JPS55161006A (en) * 1979-06-01 1980-12-15 Hitachi Ltd Setting method of sintered part in interconnected blined hole

Also Published As

Publication number Publication date
JPS61226231A (ja) 1986-10-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term