JP5156262B2 - 4重螺旋の螺旋ドリルシャフトを有する回転打撃ドリル - Google Patents
4重螺旋の螺旋ドリルシャフトを有する回転打撃ドリル Download PDFInfo
- Publication number
- JP5156262B2 JP5156262B2 JP2007121033A JP2007121033A JP5156262B2 JP 5156262 B2 JP5156262 B2 JP 5156262B2 JP 2007121033 A JP2007121033 A JP 2007121033A JP 2007121033 A JP2007121033 A JP 2007121033A JP 5156262 B2 JP5156262 B2 JP 5156262B2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- spiral
- section
- cross
- radius
- 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.)
- Active
Links
- 230000007704 transition Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 108091081406 G-quadruplex Proteins 0.000 claims description 2
- 229910052705 radium Inorganic materials 0.000 abstract 2
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 abstract 2
- 238000005452 bending Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
-
- 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
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/75—Stone, rock or concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/20—Number of cutting edges
- B23B2251/204—Four cutting edges
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/50—Drilling tools comprising cutting inserts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/909—Having peripherally spaced cutting edges
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
- Y10T408/9097—Spiral channel
Description
2 シャンク
3 螺旋ドリルシャフト
4 螺旋軌条
5 溝基底面
6 包絡円
7 アンダーカット部
8 内接円
9 包絡円弧
10 側端縁
A ドリルの軸線
α 螺旋傾斜角
H 包絡円の半径
S 軌条幅
I 内接円半径
R アンダーカット部半径
N 溝基底面半径
B 端縁の幅
F 側端縁半径
Claims (10)
- 4重螺旋の螺旋ドリルシャフト(3)を有する岩状物用の回転打撃ドリルであって、4重の回転対称かつ鏡対称形状をなす螺旋ドリルシャフト横断面を備え、この横断面において、半径方向に張り出す螺旋軌条(4)を凹状に形成した溝基底面(5)から包絡円(6)にいたるまで凸状に形成すると共に、前記螺旋軌条(4)は軌条幅(S)に関するアンダーカット部(7)を有することを特徴とする回転打撃ドリル。
- 前記螺旋ドリルシャフト横断面において描ける内接円(8)が、包絡円半径(H)の1/3〜2/3の内接円半径Iを有するよう構成したことを特徴とする請求項1に記載の回転打撃ドリル。
- 前記アンダーカット部(7)を、包絡円半径(H)の1/2〜2/3の範囲内の半径(R)上に配置したことを特徴とする請求項1または2に記載の回転打撃ドリル。
- 前記螺旋ドリルシャフト横断面において、前記溝基底面(5)が、包絡円半径(H)の1/3〜2/3の範囲内の溝基底面半径(N)を有するよう構成したことを特徴とする請求項1〜3のいずれか一項に記載の回転打撃ドリル。
- 前記螺旋ドリルシャフト横断面において、螺旋軌条(4)の半径方向外側の端縁における幅(B)が、包絡円半径(H)の1/8〜1/6の範囲に存在するよう構成したことを特徴とする請求項1〜4のいずれか一項に記載の回転打撃ドリル。
- 前記螺旋ドリルシャフト横断面において、前記螺旋軌条(4)が、半径方向外方に向かって包絡円弧(9)に移行するよう構成したことを特徴とする請求項1〜5のいずれか一項に記載の回転打撃ドリル。
- 前記螺旋ドリルシャフト横断面において、凹状の前記溝基底面(5)と前記包絡円弧(9)との間に凸状の側端縁(10)を生ずる構成としたことを特徴とする請求項6に記載の回転打撃ドリル。
- 前記螺旋ドリルシャフト横断面において、前記溝基底面(5)が前記側端縁(10)に滑らかに移行するよう構成したことを特徴とする請求項7に記載の回転打撃ドリル。
- 前記螺旋ドリルシャフト横断面において、前記側端縁(10)が、包絡円半径(H)の1/4〜1/2の範囲内における側端縁半径(F)を有するよう構成したことを特徴とする請求項6または7に記載の回転打撃ドリル。
- 前記螺旋軌条(4)の、ドリル軸線(A)に対する所定の螺旋傾斜角(α)が、45°〜55°の範囲内となるよう構成したことを特徴とする請求項1〜9のいずれか一項に記載の回転打撃ドリル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006000208A DE102006000208A1 (de) | 2006-04-28 | 2006-04-28 | Drehschlagbohrer mit viergängigem Bohrwendelschaft |
DE102006000208.3 | 2006-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007296851A JP2007296851A (ja) | 2007-11-15 |
JP5156262B2 true JP5156262B2 (ja) | 2013-03-06 |
Family
ID=38266698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007121033A Active JP5156262B2 (ja) | 2006-04-28 | 2007-05-01 | 4重螺旋の螺旋ドリルシャフトを有する回転打撃ドリル |
Country Status (6)
Country | Link |
---|---|
US (1) | US7628232B2 (ja) |
EP (1) | EP1849955B1 (ja) |
JP (1) | JP5156262B2 (ja) |
AT (1) | ATE434114T1 (ja) |
AU (1) | AU2007201794B2 (ja) |
DE (2) | DE102006000208A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7740088B1 (en) * | 2007-10-30 | 2010-06-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ultrasonic rotary-hammer drill |
US20090148250A1 (en) * | 2007-12-05 | 2009-06-11 | Wayne Chappell | Drill Bit |
US7861807B2 (en) * | 2008-12-03 | 2011-01-04 | Black & Decker Inc. | Drill bit including one piece cutting head |
DE102009003287A1 (de) * | 2009-05-20 | 2010-11-25 | Hilti Aktiengesellschaft | Bohrer |
DE102009003288A1 (de) * | 2009-05-20 | 2010-11-25 | Hilti Aktiengesellschaft | Bohrer |
DE102010002167A1 (de) * | 2010-02-22 | 2011-08-25 | Hilti Aktiengesellschaft | Herstellungsverfahren für ein Einsteckende |
BR112013012595A2 (pt) * | 2010-11-26 | 2017-07-11 | Cpl Holdings Pty Ltd | broca de perfuração |
DE102012202300A1 (de) * | 2012-02-15 | 2013-08-22 | Hilti Aktiengesellschaft | Meißel |
EP2669033B1 (en) | 2012-05-29 | 2015-11-04 | Black & Decker Inc. | Cutting head for a drill bit. |
EP3012039A1 (de) * | 2014-10-23 | 2016-04-27 | HILTI Aktiengesellschaft | Wendelbohrer und Herstellungsverfahren |
EP3059007A1 (en) | 2015-02-23 | 2016-08-24 | Umicore AG & Co. KG | Stirrer for stirring molten glass, apparatus for stirring molten glass comprising such a stirrer and use of such a stirrer |
EP3106253A1 (de) | 2015-06-17 | 2016-12-21 | HILTI Aktiengesellschaft | Bohrer und herstellungsverfahren |
EP3222390A1 (de) * | 2016-03-23 | 2017-09-27 | HILTI Aktiengesellschaft | Meissel |
USD857772S1 (en) * | 2017-10-26 | 2019-08-27 | B+Btec International Bv | Drilling tool |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE206517C (ja) | ||||
US2673716A (en) | 1950-09-02 | 1954-03-30 | Clyde E Avery | Bit |
BE526963A (ja) * | 1953-03-04 | |||
SE459680B (sv) * | 1984-10-01 | 1989-07-24 | Santrade Ltd | Borrstaal |
DE9319009U1 (de) * | 1993-12-10 | 1994-02-03 | Plica Werkzeugfabrik Ag Mollis | Dreischneidenbohrer |
DE4419641A1 (de) * | 1994-06-04 | 1995-12-07 | Hilti Ag | Gesteinsbohrer |
DE19915304B4 (de) * | 1999-03-22 | 2006-07-27 | Robert Bosch Gmbh | Bohrwerkzeug |
US7097396B1 (en) * | 2000-02-16 | 2006-08-29 | Kabushiki Kaisha Miyanaga | Drill bit |
JP2002317595A (ja) * | 2001-04-18 | 2002-10-31 | Asahi Tec Corp | 掘削用ドリル |
US6601659B2 (en) * | 2001-05-17 | 2003-08-05 | Hilti Aktiengesellschaft | Twist drill |
-
2006
- 2006-04-28 DE DE102006000208A patent/DE102006000208A1/de not_active Withdrawn
-
2007
- 2007-04-19 EP EP07106506A patent/EP1849955B1/de active Active
- 2007-04-19 DE DE502007000873T patent/DE502007000873D1/de active Active
- 2007-04-19 AT AT07106506T patent/ATE434114T1/de active
- 2007-04-23 AU AU2007201794A patent/AU2007201794B2/en active Active
- 2007-04-27 US US11/796,737 patent/US7628232B2/en active Active
- 2007-05-01 JP JP2007121033A patent/JP5156262B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
DE102006000208A1 (de) | 2007-10-31 |
EP1849955B1 (de) | 2009-06-17 |
JP2007296851A (ja) | 2007-11-15 |
US7628232B2 (en) | 2009-12-08 |
AU2007201794B2 (en) | 2010-04-29 |
ATE434114T1 (de) | 2009-07-15 |
EP1849955A1 (de) | 2007-10-31 |
AU2007201794A1 (en) | 2007-11-15 |
US20070251734A1 (en) | 2007-11-01 |
DE502007000873D1 (de) | 2009-07-30 |
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