WO2005044511A1 - 深穴加工方法及び装置 - Google Patents
深穴加工方法及び装置 Download PDFInfo
- Publication number
- WO2005044511A1 WO2005044511A1 PCT/JP2004/017027 JP2004017027W WO2005044511A1 WO 2005044511 A1 WO2005044511 A1 WO 2005044511A1 JP 2004017027 W JP2004017027 W JP 2004017027W WO 2005044511 A1 WO2005044511 A1 WO 2005044511A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tool
- pressurized gas
- hole
- deep hole
- machining
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/303752—Process
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/303976—Milling with means to control temperature or lubricate
- Y10T409/304032—Cutter or work
Definitions
- the present invention relates to a deep hole drilling method and a deep hole drilling apparatus for performing the deep hole drilling method.
- mist processing In cutting, a pressurized gas or machining fluid is generally supplied to the machining area between the tool and the workpiece to cool and lubricate the cutting edge of the tool and the workpiece, and to remove chips from the machining area.
- machining fluid There are dry processing and wet processing.
- semi-dry machining or dispersing the machining fluid in the air stream in a mist form and atomizing it, and supplying this mist-like machining fluid to the machining area MQL (minimum amount lubrication) processing has become widespread (hereinafter referred to as mist processing).
- a mist generating device is arranged near a machine tool, and the mist generating device disperses a machining fluid in an air stream in a mist state.
- the metal is supplied to the machining area through a mist supply passage provided inside or outside the housing that rotatably supports the spindle.
- Japanese Unexamined Patent Publication No. 2000-1377145 discloses that a tool is provided at a tapered portion that abuts a tapered hole formed at a tip portion of a main shaft and at an end opposite to the tapered portion.
- a shank having a tool mounting hole, a tank removably provided around the shank to store a machining fluid, and a machining fluid stored in the tank between the tool and the workpiece mounted in the tool mounting hole.
- a tool holder comprising a machining fluid supply means for supplying the machining fluid to the machining area.
- a mist-like machining fluid can be generated in the vicinity of the machining area, so that the mist is supplied in the middle.
- the problem that the machining fluid adheres to the inner wall of the passage and that the mist is combined with each other to form a mist with a large particle size is solved.
- chips will be clogged in the drilled hole and machining will not be possible.
- An object of the present invention is to solve such a problem of the prior art, and to provide a deep hole drilling method and apparatus capable of deep hole drilling 50 times or more the diameter of a tool. It is intended to provide.
- the problem of the prior art is solved by ejecting high-pressure mist air from the tool tip.
- a deep hole drilling method for drilling a hole having a depth of 50 times or more the diameter of the tool by using a tool such as a drill, a reamer, or an end mill the tool having a through hole is mounted on a tool holder, a pressurized gas of 1.5 to 5 MPa is supplied to the through hole via the tool holder, and a pressurized gas is ejected from the tip of the tool.
- a deep hole drilling method for performing deep hole drilling is provided.
- a work such as a drill, a reamer, or an end mill having a through-hole in the axial direction is added to the work by 50 times the diameter of the tool.
- a deep hole drilling machine for drilling a hole having the above depth, a tank for holding the tool and storing a working fluid, and atomizing means for atomizing the working fluid stored in the tank with a pressurized gas
- a tool holder for supplying an atomized machining fluid to the through hole of the tool, a gas supply pipe for supplying pressurized gas to the tool holder, and 1.5 to 5 for the gas supply pipe.
- a deep hole drilling device including gas intensifying means for supplying a pressurized gas of MPa.
- a pressurized gas of 1.5 to 5 MPa is supplied to a through hole of a tool via a tool holder, and a deep hole is formed while a pressurized gas is jetted from a tip end of the tool.
- Pressurized gas can be supplied up to the tip of the deep hole 50 times or more the diameter of the tool formed on the workpiece, preventing chip from clogging inside the deep hole and improving It becomes possible to add deep holes.
- the working fluid is atomized by a pressurized gas of 1.5 to 5 MPa, and the atomized working fluid is deeply ejected from the tip of the tool while being deepened. Since drilling is performed, it is possible to supply a mist-like machining fluid together with pressurized gas to the tip of a deep hole 50 times or more the diameter of the tool formed on the workpiece. Effective supply of machining fluid into the hole and prevention of chip clogging enable good drilling. In this way, the machining speed of deep hole machining is increased, and the tool life is extended.
- FIG. 1 is a cross-sectional view of a tool holder included in the deep hole drilling device according to the present embodiment.
- BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
- a tool holder 10 mounted on the tip of the main shaft S of the machine tool, and a pressure intensifier 38 as gas pressure increasing means for increasing the pressure of gas supplied to the tool holder 10 are provided.
- the machine tool moves the NC drilling machine or the tools ⁇ and ((not shown) relative to each other in three orthogonal X-axis, ⁇ -axis, and ⁇ -axis directions. It can be a machining center that processes a work.
- a pressurized gas supply pipe 44 for supplying pressurized gas to the tool holder 10 through the inside of the main shaft S of the machine tool is formed along a central axis ⁇ of the main shaft S.
- the rear end of the pressurized gas supply pipe 44 is connected to a rotary joint 42 provided at the rear end of the main shaft S.
- the rotary joint 42 is connected to the expansion machine 3 via a pipe 40. Connected to output port 8 or outlet port.
- the compressor 38 can be a reciprocating, rotary, centrifugal or axial flow compressor capable of supplying a pressurized gas of 1.5 to 5 MPa. Further, in the case of supplying pressurized air as pressurized gas, the pressure intensifier 38 can receive air supply from a service air source 34 such as a factory via a pipe 36. When a gas other than air, for example, nitrogen or argon is used as the pressurized gas, the gas may be supplied from a cylinder (not shown) filled with such a gas.
- the tool holder 10 is a shank 12 and a hollow tapered portion formed at the tail end of the shank 12 for mounting the tool holder 10 in the tapered hole 48 at the tip of the spindle S.
- the tool to be used for drilling has a tool mounting hole (not shown) formed at the tip 16 of the shank 12.
- the tool to be used for drilling is installed.
- An air passage for ejecting a pressurized gas toward the processing area is formed in the shank 12.
- the air passage includes a pressurized gas introduction passage 26 and an outlet passage 30.
- a pressurized gas inlet portion 18 is provided which protrudes toward the tail end along the central axis O of the shank 12.
- the pressurized gas inlet 18 is air-tightly connected to the front end of the pressurized gas supply pipe 44 of the main spindle S when the tool holder 10 is mounted on the front end of the main spindle S. .
- a tank 20 is provided on an outer peripheral portion adjacent to the distal end portion 16.
- the tank 20 is made of a cylindrical member, and is detachably attached to the shank 12 by sliding it in the axial direction by a C-shaped retaining ring 46.
- An internal space 22 is formed between the inner surface of the tank 20 and the outer surface of the shank 12, and a working fluid is stored in the internal space 22.
- An air hole 22 a is formed in the shank 12 between the internal space 22 of the tank 20 and the outlet passage 30.
- a sealing member such as an O-ring 24a or 24b may be provided between the tank 20 and the shank 12 to increase the liquid tightness between the tank 20 and the shank 12. .
- the shank 12 further has a working fluid supply passage 28 formed between the internal space 22 of the tank 20 and the outlet passage 30.
- the machining fluid supply passage 28 is formed so as to open to a throttle portion 32 formed in the outlet passage 30.
- the supply passage 28 is preferably provided at the outer peripheral edge of the shank 12 or a portion adjacent thereto.
- the main The shaft S rotates, the pressure intensifier 38 starts, and the pressurized gas is supplied to the pressurized gas inlet 18 through the pressurized gas supply pipe 44 of the main shaft S.
- This pressurized gas is supplied from the pressurized gas inlet 18 to the outlet passage 30 via the pressurized gas introduction passage 26 formed inside the shank 12.
- the pressurized gas supplied to the outlet passage 30 is accelerated in the throttle portion 32 formed in the outlet passage 30 and its pressure is reduced, and the pressure drop causes the machining fluid in the tank 20 to be reduced. It is sucked into the outlet passage 30 via the machining fluid introduction passage 28.
- the pressure drop in the internal space 22 is compensated by the air sucked from the air holes 22a.
- the machining fluid supplied to the throttle portion 32 of the outlet passage 30 via the machining fluid supply passage 28 is atomized by the shearing force of the accelerated pressurized gas, and the mist-like machining fluid is removed. And is taken into the pressurized air. In this way, the mist-like machining fluid is discharged through the outlet passage 30 toward the machining area outside the shank 12.
- the outlet opening (not shown) of the outlet passage 30 at the tip 16 of the shank 12 is provided with a tool attached to the tip 16 such that, for example, a mist-like machining fluid is jetted toward the machining area.
- a tool attached to the tip 16 such that, for example, a mist-like machining fluid is jetted toward the machining area.
- an outlet passage 30 is communicated with a tool mounting hole (not shown) formed at a tip portion 16 of the shank 12 so that a central axis extends from the rear end to the front end of the tool mounted in the tool mounting hole.
- a tool T having a through hole is mounted on a tool holder having a normal through hole in the tapered hole 48 of the spindle S, and a pressurized gas supply pipeline is provided. 44 4 to 1.5 to 5 MPa of pressurized gas may be supplied, and the hole may be formed by jetting from the tip of the tool T. Even in this case, a hole with a depth of 50 times or more the diameter of the tool T can be formed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Drilling And Boring (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04799704A EP1693146A4 (en) | 2003-11-11 | 2004-11-10 | DEEP DRILLING METHOD AND DEVICE |
US10/578,243 US20070292225A1 (en) | 2003-11-11 | 2004-11-10 | Deep-Hole Machining Method and Apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-381614 | 2003-11-11 | ||
JP2003381614A JP2005144565A (ja) | 2003-11-11 | 2003-11-11 | 深穴加工方法及び装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005044511A1 true WO2005044511A1 (ja) | 2005-05-19 |
Family
ID=34567285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/017027 WO2005044511A1 (ja) | 2003-11-11 | 2004-11-10 | 深穴加工方法及び装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070292225A1 (ja) |
EP (1) | EP1693146A4 (ja) |
JP (1) | JP2005144565A (ja) |
WO (1) | WO2005044511A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007075939A (ja) * | 2005-09-13 | 2007-03-29 | Kyokuei Kenma Co Ltd | ボール盤 |
JP5367473B2 (ja) * | 2009-06-17 | 2013-12-11 | 株式会社森精機製作所 | 工具ホルダ |
JP5389584B2 (ja) * | 2009-09-24 | 2014-01-15 | 富士重工業株式会社 | 回転切削装置 |
CN101829890B (zh) * | 2010-05-05 | 2011-11-16 | 湖南凯斯机械股份有限公司 | 一种解决多节轴孔同心问题的铰镗方法 |
JP5964694B2 (ja) * | 2012-08-15 | 2016-08-03 | 東芝機械株式会社 | ミスト供給ツール |
MY176401A (en) * | 2014-04-24 | 2020-08-05 | Mitsubishi Tanabe Pharma Corp | Novel disubstituted 1,2,4-triazine compound |
CN105127750B (zh) * | 2015-09-23 | 2017-08-11 | 湖州兴贝克合金科技有限公司 | 一种深孔镗铰加工方法及装置 |
CN109079447B (zh) * | 2018-10-18 | 2020-05-01 | 中船动力有限公司 | 柴油机机架深孔加工方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08197371A (ja) * | 1995-01-23 | 1996-08-06 | Hookosu Kk | 工作機械の切粉気流除去装置 |
JP2002066873A (ja) * | 2000-09-01 | 2002-03-05 | Horkos Corp | 工作機械の主軸装置 |
JP2002321111A (ja) * | 2001-02-23 | 2002-11-05 | Yunitakku Kk | 深穴切削装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3561299A (en) * | 1969-05-06 | 1971-02-09 | Waukesha Cutting Tools Inc | Pulsating coolant adapter |
US4090804A (en) * | 1977-02-04 | 1978-05-23 | Haley Ernest K | Circular drill with centering device |
GB8430609D0 (en) * | 1984-12-04 | 1985-01-09 | Perard Torque Tension Ltd | Dust suppression |
JP2687110B2 (ja) * | 1995-08-30 | 1997-12-08 | ホーコス株式会社 | 工作機械の主軸装置 |
JP4809521B2 (ja) * | 2000-09-19 | 2011-11-09 | マンヨーツール株式会社 | 工具ホルダ及びその冷却装置 |
JP3698634B2 (ja) * | 2000-10-27 | 2005-09-21 | マキノジェイ株式会社 | 工具ホルダ |
JP2002210630A (ja) * | 2001-01-18 | 2002-07-30 | Ekoregu:Kk | 工作加工方法およびそれに用いる霧状体供給装置 |
JP4791642B2 (ja) * | 2001-03-16 | 2011-10-12 | Taco株式会社 | 工作機械等の切削加工方法とその複合装置 |
JP3961836B2 (ja) * | 2002-01-11 | 2007-08-22 | 黒田精工株式会社 | 工具へのミスト供給方法およびその装置 |
JP2003266274A (ja) * | 2002-03-20 | 2003-09-24 | Kuroda Precision Ind Ltd | 工具用液体供給構造 |
JP4609893B2 (ja) * | 2006-02-02 | 2011-01-12 | 大同メタル工業株式会社 | 工具ホルダー |
-
2003
- 2003-11-11 JP JP2003381614A patent/JP2005144565A/ja active Pending
-
2004
- 2004-11-10 US US10/578,243 patent/US20070292225A1/en not_active Abandoned
- 2004-11-10 EP EP04799704A patent/EP1693146A4/en not_active Withdrawn
- 2004-11-10 WO PCT/JP2004/017027 patent/WO2005044511A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08197371A (ja) * | 1995-01-23 | 1996-08-06 | Hookosu Kk | 工作機械の切粉気流除去装置 |
JP2002066873A (ja) * | 2000-09-01 | 2002-03-05 | Horkos Corp | 工作機械の主軸装置 |
JP2002321111A (ja) * | 2001-02-23 | 2002-11-05 | Yunitakku Kk | 深穴切削装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1693146A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP2005144565A (ja) | 2005-06-09 |
EP1693146A4 (en) | 2010-09-08 |
EP1693146A1 (en) | 2006-08-23 |
US20070292225A1 (en) | 2007-12-20 |
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