JP5945283B2 - ドリル - Google Patents
ドリル Download PDFInfo
- Publication number
- JP5945283B2 JP5945283B2 JP2013551693A JP2013551693A JP5945283B2 JP 5945283 B2 JP5945283 B2 JP 5945283B2 JP 2013551693 A JP2013551693 A JP 2013551693A JP 2013551693 A JP2013551693 A JP 2013551693A JP 5945283 B2 JP5945283 B2 JP 5945283B2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- angle
- blade
- diameter
- sarae
- 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.)
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- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 description 23
- 239000002184 metal Substances 0.000 description 23
- 239000000463 material Substances 0.000 description 16
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 15
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- 239000011152 fibreglass Substances 0.000 description 6
- 230000032798 delamination Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004021 metal welding Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- B23B51/00—Tools for drilling machines
- B23B51/009—Stepped 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
- B23B2226/27—Composites
-
- 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
- B23B2226/27—Composites
- B23B2226/275—Carbon fibre reinforced carbon composites
-
- 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
- B23B2226/31—Diamond
-
- 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
- B23B2226/61—Plastics not otherwise provided for, e.g. nylon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/10—Coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/04—Angles, e.g. cutting angles
- B23B2251/043—Helix angles
- B23B2251/046—Variable
-
- 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
- B23B2251/18—Configuration of the drill point
-
- 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
- B23B2251/201—Single cutting edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/24—Overall form of drilling tools
- B23B2251/241—Cross sections of the diameter of the drill
- B23B2251/245—Variable cross sections
-
- 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
- B23B2251/408—Spiral grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2265/00—Details of general geometric configurations
- B23B2265/34—Round
-
- 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
- Y10T408/905—Having stepped cutting edges
- Y10T408/906—Axially spaced
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Description
前記ボディの先端側に、ドリル径よりも外径の小さい小径部を設けてその小径部に前記先端角の変化した切れ刃を形成し、さらに、前記小径部とその後方の本来の外径(ドリル径)を有する部分との間に生じた段差部に、軸直角な線に対する傾斜角βが30°以下のサラエ刃を設けた。
また、サラエ刃を形成するねじれ溝の一部に戻し部を設け、その戻し部におけるねじれ溝の戻し角を、ねじれ溝の主ねじれ角よりも5°〜10°小さくすることや、その戻し部のドリル軸方向幅を0.04D〜0.07Dに設定することも好ましい。
・発明品2:サラエ刃の傾斜角β=30°。その他は発明品1と同一仕様。
・発明品3:段差部寸法S=0.4mm。その他は発明品1と同一仕様。
・発明品4:段差部寸法S=0.4mm、サラエ刃の傾斜角β=30°。その他は発明品1と同一仕様。
・比較品1:サラエ刃なし。その他は発明品1と同一仕様。
・比較品2:サラエ刃の傾斜角β=45°。その他は発明品1と同一仕様。
切削条件:加工速度S=3200min−1、送りf=0.1mm/rev
2 シャンク
3 切れ刃
3a 回転中心側刃部
3b 中間刃部
3c 外周側刃部
4 シンニング部
5 ねじれ溝
6 小径部
7 大径部
8 サラエ刃
9 つなぎ部
10 マージン
11 ダイヤモンド被膜
12 ランド部
D ドリル径
d 小径部外径
θ 先端角
β サラエ刃の傾斜角
α1 小径部のねじれ角
α2 主ねじれ角
W サラエ刃形成部のねじれ溝の軸方向戻し幅
γ サラエ刃形成部のねじれ溝の戻し角
Claims (7)
- 穴あけに利用されるドリルであって、ボディ(1)の先端に回転中心から外周に至る回転中心対称の切れ刃(3)を有し、その切れ刃が少なくとも回転中心側刃部(3a)とその回転中心側刃部の径方向外端に連なる外周側刃部(3c)の2部で構成され、各刃部の先端角(θ)が、回転中心側刃部(3a)から外周側刃部(3c)にかけて段階的に減少したツイストドリルにおいて、
前記ボディ(1)の先端側に、ドリル径よりも外径の小さい小径部(6)を設けてその小径部に前記先端角の変化した切れ刃(3)を形成し、さらに、前記小径部(6)とその後方の本来の外径を有する大径部(7)との間に生じた段差部に、軸直角な線に対する傾斜角(β)が30°以下のサラエ刃(8)を設け、
前記ドリルに形成されるねじれ溝(5)の主ねじれ角(α2)を、5〜45°に設定し、前記ねじれ溝(5)のねじれ角を前記小径部(6)の軸方向後端において変化させ、前記小径部(6)におけるねじれ角(α1)を、前記主ねじれ角(α2)よりも小さくしたことを特徴とするドリル。 - ドリル径をD、前記小径部(6)の直径をdとしたとき、{(D−d)/D}の式で求まるサラエ刃設置部の径方向段差寸法をドリル径との比で、0.06〜0.13に設定した請求項1に記載のドリル。
- ボディ(1)の表面にダイヤモンド被膜(11)を形成した請求項1又は2に記載のドリル。
- 前記ねじれ溝(5)の主ねじれ角(α2)を、15〜45°にした請求項1に記載のドリル。
- 前記小径部(6)におけるねじれ角(α1)を、前記主ねじれ角(α2)よりも5°〜10°小さくした請求項1〜4のいずれかに記載のドリル。
- 前記サラエ刃(8)を形成するねじれ溝の一部に戻し部(5a)を設け、その戻し部におけるねじれ溝の戻し角(γ)を、ねじれ溝(5)の主ねじれ角(α2)よりも5°〜10°小さくした請求項1〜5のいずれかに記載のドリル。
- 前記サラエ刃(8)を形成するねじれ溝の一部に戻し部(5a)を設け、その戻し部のドリル軸方向幅(W)を0.04D〜0.07Dに設定した請求項1〜5のいずれかに記載のドリル。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011285509 | 2011-12-27 | ||
JP2011285509 | 2011-12-27 | ||
JP2012120832 | 2012-05-28 | ||
JP2012120832 | 2012-05-28 | ||
PCT/JP2012/083417 WO2013099841A1 (ja) | 2011-12-27 | 2012-12-25 | ドリル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013099841A1 JPWO2013099841A1 (ja) | 2015-05-07 |
JP5945283B2 true JP5945283B2 (ja) | 2016-07-05 |
Family
ID=48697326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013551693A Active JP5945283B2 (ja) | 2011-12-27 | 2012-12-25 | ドリル |
Country Status (4)
Country | Link |
---|---|
US (1) | US9308589B2 (ja) |
EP (2) | EP2799171B1 (ja) |
JP (1) | JP5945283B2 (ja) |
WO (1) | WO2013099841A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11229959B2 (en) | 2018-08-07 | 2022-01-25 | Sumitomo Electric Hardmetal Corp. | Drill |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102012012479A1 (de) | 2012-03-26 | 2013-09-26 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Bohrer |
JP6011849B2 (ja) * | 2012-09-11 | 2016-10-19 | 株式会社不二越 | 段付きドリル |
GB2527705B (en) | 2013-06-06 | 2020-04-08 | Milwaukee Electric Tool Corp | Step drill bit |
JP6378493B2 (ja) * | 2014-01-31 | 2018-08-22 | 旭ダイヤモンド工業株式会社 | ドリル |
JP6410544B2 (ja) * | 2014-09-30 | 2018-10-24 | 株式会社Subaru | ドリルおよび切削加工物の製造方法 |
JP6747791B2 (ja) | 2015-08-31 | 2020-08-26 | 株式会社Subaru | ドリル及び被穿孔品の製造方法 |
US20170066062A1 (en) * | 2015-09-08 | 2017-03-09 | Mitsubishi Materials Corporation | Drill |
DE102015013247B4 (de) | 2015-10-08 | 2022-06-09 | Walter Bauer | Bohrer mit Konteraufbohrfunktion und Konteraufbohrverfahren für Leichtbauwerkstoffe |
CN105499665B (zh) * | 2016-01-08 | 2017-06-23 | 大连理工大学 | 用于叠层结构零件整体制孔的多阶梯多刃刀具 |
TWI617379B (zh) * | 2016-01-22 | 2018-03-11 | 創國興業有限公司 | 鑽頭結構 |
USD814850S1 (en) * | 2016-03-04 | 2018-04-10 | Shorefield Holdings, LLC | Mixer |
US10506897B2 (en) | 2016-03-04 | 2019-12-17 | Shorefield Holdings, LLC | Mixing assembly for mixing a product |
US10486121B2 (en) | 2016-03-04 | 2019-11-26 | Shorefield Holdings, LLC | Mixing assembly for mixing a product |
US10836557B2 (en) | 2016-04-23 | 2020-11-17 | Shorefield Holdings Llc | Insulated bottle |
WO2017208939A1 (ja) * | 2016-05-31 | 2017-12-07 | 三菱重工業株式会社 | 切削工具 |
TWI619572B (zh) * | 2016-07-22 | 2018-04-01 | 創國興業有限公司 | 鑽頭結構 |
JP6896977B2 (ja) * | 2017-01-19 | 2021-06-30 | 住友電工ハードメタル株式会社 | ドリル |
USD822730S1 (en) | 2017-04-07 | 2018-07-10 | Shorefield Holdings, LLC | Mixing structure |
GB201706686D0 (en) * | 2017-04-27 | 2017-06-14 | Rolls Royce Plc | A cutting tool |
KR102178656B1 (ko) * | 2018-01-22 | 2020-11-13 | 오에스지 가부시키가이샤 | 스텝이 형성된 드릴 및 스텝이 형성된 드릴의 제조 방법 |
US11273501B2 (en) * | 2018-04-26 | 2022-03-15 | Milwaukee Electric Tool Corporation | Step drill bit |
JP7103933B2 (ja) * | 2018-12-27 | 2022-07-20 | 京セラ株式会社 | 切削インサート、回転工具及び切削加工物の製造方法 |
DE102019102726A1 (de) | 2019-02-04 | 2020-08-06 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Bohrwerkzeug und Verfahren zur Erzeugung einer Bohrung |
DE102019202165B4 (de) * | 2019-02-19 | 2022-10-27 | Kennametal Inc. | Bohrer und Verfahren zur Bearbeitung eines Werkstücks |
EP3946857A4 (en) * | 2019-04-04 | 2023-01-11 | Miller Dowel Company | STEP BIT WITH ALTERNATING SHARP EDGES FOR CLEANING HIDDEN FASTENING OPENINGS IN CROSS-LAMINATED JOINTS |
JP7340319B2 (ja) * | 2019-08-02 | 2023-09-07 | 株式会社Subaru | ドリル及び被穿孔品の製造方法 |
JP2022042909A (ja) * | 2020-09-03 | 2022-03-15 | 株式会社Subaru | ドリル及び被穿孔品の製造方法 |
JP2022115761A (ja) | 2021-01-28 | 2022-08-09 | 株式会社Subaru | ドリル及び被穿孔品の製造方法 |
CN214720850U (zh) * | 2021-06-11 | 2021-11-16 | 江苏锋源工具有限公司 | 一种螺旋式阶梯钻尖麻花钻 |
DE102021129274A1 (de) | 2021-11-10 | 2023-05-11 | Audi Aktiengesellschaft | Kombinationswerkzeug |
DE102022102467B4 (de) | 2022-02-02 | 2023-12-28 | TRUMPF Werkzeugmaschinen SE + Co. KG | Absortiervorrichtung, bohrer und verfahren zum lösen von bauteilen aus einem restgitter |
JP7380813B1 (ja) * | 2022-11-29 | 2023-11-15 | 株式会社タンガロイ | 穴あけ工具 |
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-
2012
- 2012-12-25 EP EP12862768.4A patent/EP2799171B1/en active Active
- 2012-12-25 JP JP2013551693A patent/JP5945283B2/ja active Active
- 2012-12-25 EP EP16162957.1A patent/EP3056306B1/en active Active
- 2012-12-25 US US14/369,175 patent/US9308589B2/en active Active
- 2012-12-25 WO PCT/JP2012/083417 patent/WO2013099841A1/ja active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11229959B2 (en) | 2018-08-07 | 2022-01-25 | Sumitomo Electric Hardmetal Corp. | Drill |
Also Published As
Publication number | Publication date |
---|---|
US20140363249A1 (en) | 2014-12-11 |
EP3056306A1 (en) | 2016-08-17 |
EP2799171A1 (en) | 2014-11-05 |
JPWO2013099841A1 (ja) | 2015-05-07 |
US9308589B2 (en) | 2016-04-12 |
EP2799171A4 (en) | 2015-08-05 |
EP3056306B1 (en) | 2017-10-25 |
EP2799171B1 (en) | 2017-02-01 |
WO2013099841A1 (ja) | 2013-07-04 |
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