RU93054163A - Сверло - Google Patents

Сверло

Info

Publication number
RU93054163A
RU93054163A RU93054163/08A RU93054163A RU93054163A RU 93054163 A RU93054163 A RU 93054163A RU 93054163/08 A RU93054163/08 A RU 93054163/08A RU 93054163 A RU93054163 A RU 93054163A RU 93054163 A RU93054163 A RU 93054163A
Authority
RU
Russia
Prior art keywords
drill
cutting
cutting edge
central axis
curved part
Prior art date
Application number
RU93054163/08A
Other languages
English (en)
Other versions
RU2105640C1 (ru
Inventor
С.Шедин Г. Линдблом
Original Assignee
Сандвик Актиеболаг
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
Priority claimed from SE9202757A external-priority patent/SE507842C2/sv
Application filed by Сандвик Актиеболаг filed Critical Сандвик Актиеболаг
Publication of RU93054163A publication Critical patent/RU93054163A/ru
Application granted granted Critical
Publication of RU2105640C1 publication Critical patent/RU2105640C1/ru

Links

Claims (1)

  1. Изобретение относится к сверлу, состоящему из стержня со стружкоотводящими канавками и головки сверла с двумя или большим числом режущих элементов. Каждый из них имеет режущую кромку, которая разграничивает стружколомную поверхность и заднюю поверхность и которая по крайней мере вблизи геометрического центра или оси сверла имеет искривленную часть. Режущая кромка отдельного режущего элемента своей искривленной частью расположена таким образом, что точка касания прямой линии, проходящей от центральной оси и касательно указанной искривленной части режущей кромки, отдалена от центральной оси сверла. В непосредственной близости от этой центральной оси режущая кромка оканчивается небольшой материальной частью, которая является общей для всех режущих кромок и которая расположена между режущими элементами, чтобы служить в качестве кернера для центрирования сверла.
RU93054163/02A 1992-09-24 1993-09-23 Сверло RU2105640C1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9202757A SE507842C2 (sv) 1992-09-24 1992-09-24 Borr
SE9202757-2 1992-09-24

Publications (2)

Publication Number Publication Date
RU93054163A true RU93054163A (ru) 1996-03-27
RU2105640C1 RU2105640C1 (ru) 1998-02-27

Family

ID=20387258

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93054163/02A RU2105640C1 (ru) 1992-09-24 1993-09-23 Сверло

Country Status (10)

Country Link
US (1) US5423640A (ru)
EP (1) EP0589858B1 (ru)
JP (1) JPH06190618A (ru)
KR (1) KR100293592B1 (ru)
CN (1) CN1043321C (ru)
AT (1) ATE152384T1 (ru)
DE (1) DE69310304T2 (ru)
ES (1) ES2101284T3 (ru)
RU (1) RU2105640C1 (ru)
SE (1) SE507842C2 (ru)

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TW299385B (en) * 1994-12-12 1997-03-01 Black & Decker Inc Cutting tools for drilling concrete, aggregate, masonry or the like materials
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
GB2303809A (en) * 1995-07-29 1997-03-05 Black & Decker Inc Roll-forged drill bit
GB2303810A (en) * 1995-07-29 1997-03-05 Black & Decker Inc Masonry drill bit
SE507827C2 (sv) * 1996-05-02 1998-07-20 Sandvik Ab Borr
SE511429C2 (sv) 1996-09-13 1999-09-27 Seco Tools Ab Verktyg, skärdel, verktygskropp för skärande bearbetning samt metod för montering av skärdel till verktygskropp
SE507542C2 (sv) * 1996-12-04 1998-06-22 Seco Tools Ab Fräsverktyg samt skärdel till verktyget
US5931615A (en) * 1997-04-03 1999-08-03 Credo Tool Company Twist drill bit
IL120948A0 (en) * 1997-05-29 1997-09-30 Iscar Ltd Cutting tool assembly
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US6371702B1 (en) 1999-08-18 2002-04-16 Kennametal Pc Inc. Spade blade drill and method of making
US6443674B1 (en) 2000-05-19 2002-09-03 Ics Cutting Tools, Inc. Self-centering twist drill having a modified flat bottom section and a helical crown point tip
US6585460B1 (en) * 2000-11-13 2003-07-01 General Electric Company Drill having machine grindable cutting edge
US6551036B2 (en) * 2000-11-30 2003-04-22 Heinrich Heule Drilling bit and holder for drilling bit
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US7114893B2 (en) 2001-03-27 2006-10-03 Allied Machine & Engineering Corp. Drill insert geometry having V-notched web
SE525336C2 (sv) * 2002-05-17 2005-02-01 Sandvik Ab Borrverktyg för hålborrning i metalliska material
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FR2861001B1 (fr) * 2003-10-16 2007-06-22 Snecma Moteurs Foret ceramique pour percage grande vitesse
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US7018145B2 (en) 2003-11-07 2006-03-28 Allied Machine & Engineering Corp. Spade drill insert having curved cutting edges
US7131799B2 (en) * 2003-12-19 2006-11-07 Allied Machine & Engineering Corp. Cutting insert with helical geometry and holder therefor
JP2005205526A (ja) * 2004-01-22 2005-08-04 Nachi Fujikoshi Corp 深穴用穴明け工具
US7244474B2 (en) * 2004-03-26 2007-07-17 Applied Materials, Inc. Chemical vapor deposition plasma process using an ion shower grid
US7237986B2 (en) * 2004-08-09 2007-07-03 Black & Decker Inc. High speed metal drill bit
US7244081B2 (en) * 2004-09-09 2007-07-17 Ingersoll Cutting Tool Company Drill adapter for drill having central and lateral cutting inserts
IL164888A (en) * 2004-10-28 2009-07-20 Iscar Ltd Cutting tool and cutting head for it
SE528917C2 (sv) * 2005-07-05 2007-03-13 Sandvik Intellectual Property Spiralborr
US7909547B2 (en) 2005-10-08 2011-03-22 Milwaukee Electric Tool Corporation Replaceable tip for a bit or auger bit
US8328477B2 (en) 2006-03-02 2012-12-11 Milwaukee Electric Tool Corporation Cutting tool
US7625160B2 (en) * 2006-03-02 2009-12-01 Milwaukee Electric Tool Corporation Cutting tool
JP2007001011A (ja) * 2006-10-10 2007-01-11 Mitsubishi Materials Corp 穴明け工具
JP2008093805A (ja) * 2006-10-13 2008-04-24 Osg Corp ドリル
FR2919212B1 (fr) * 2007-07-26 2009-12-25 Snecma Foret ceramique pour percage grande vitesse de materiaux composites.
WO2009093764A1 (en) * 2008-01-22 2009-07-30 Yg-1 Co., Ltd Drill insert
US8408850B2 (en) * 2009-06-16 2013-04-02 Kennametal Inc. Twist drill with negative axial rake transition between the lip and the secondary cutting edge
US20120308319A1 (en) * 2011-06-03 2012-12-06 Karthik Sampath Rotary cutting tool having coated cutting tip and coolant holes and method of fabricating
USD665431S1 (en) * 2012-02-22 2012-08-14 Hon Hai Precision Industry Co., Ltd. Cutting tool
WO2014121117A1 (en) 2013-02-01 2014-08-07 Milwaukee Electric Tool Corporation Auger bit with replaceable cutting bit
DE102014204700B4 (de) * 2014-03-13 2022-02-17 Kennametal Inc. Rotationswerkzeug, insbesondere Bohrwerkzeug sowie Verfahren zur Herstellung eines Rotationswerkzeuges
US10005136B2 (en) * 2014-09-23 2018-06-26 Iscar, Ltd. Drill or drill head with burnishing margin
CN104191000B (zh) * 2014-09-28 2017-01-25 江西杰浩硬质合金工具有限公司 一种错齿结构的四刃扩孔钻
CN104368848A (zh) * 2014-11-10 2015-02-25 苏州阿诺精密切削技术股份有限公司 一种连续平台扩孔麻花钻头
CN104439432A (zh) * 2014-11-27 2015-03-25 苏州阿诺精密切削技术股份有限公司 J型棱边修正麻花钻头
KR102434577B1 (ko) * 2015-05-08 2022-08-19 대구텍 유한책임회사 절삭 공구
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