WO2018198362A1 - チャック装置 - Google Patents
チャック装置 Download PDFInfo
- Publication number
- WO2018198362A1 WO2018198362A1 PCT/JP2017/017062 JP2017017062W WO2018198362A1 WO 2018198362 A1 WO2018198362 A1 WO 2018198362A1 JP 2017017062 W JP2017017062 W JP 2017017062W WO 2018198362 A1 WO2018198362 A1 WO 2018198362A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tool
- chuck device
- working fluid
- discharge port
- discharge
- Prior art date
Links
Images
Classifications
-
- 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
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- 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
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
- B23Q11/1023—Tool holders, or tools in general specially adapted for receiving the cutting liquid from the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2231/00—Details of chucks, toolholder shanks or tool shanks
- B23B2231/24—Cooling or lubrication means
-
- 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
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17111—Fluid-conduit drill holding
Definitions
- the present invention relates to a chuck device capable of supplying a working fluid to a tool.
- the chuck device is attached to the rotating spindle of the machine tool and used to fix the tool.
- a working fluid passage may be provided, and a working fluid necessary for cutting may be supplied to the tool from the passage.
- the working fluid here is a liquid or gas supplied for the purpose of cooling the tip of the tool that becomes high temperature due to friction with the workpiece or washing away the chips.
- Chuck devices with various improvements have been developed so that these working fluids can be supplied to the cutting tool.
- the nozzle hole is formed obliquely toward the processing point of the tool.
- the rotational force of the chuck device acts on the working fluid discharged from the chuck device during the cutting process.
- the influence of the rotational force of the chuck device on the discharged working fluid is mitigated.
- the applicant of the present invention has proposed a configuration in which a passage for supplying the working fluid to the tool is provided in the chuck device described in Patent Document 2 and the discharge direction of the working fluid is set to be opposite to the rotation direction. ing.
- the present invention has been made in view of the above circumstances, and an object thereof is to provide a chuck device capable of appropriately and easily setting the discharge direction of the working fluid.
- a characteristic configuration of a chuck device is a chuck device that is attached to a rotating spindle of a machine tool and grips a tool, and includes a passage through which a working fluid flows and an opening at a tip of the passage.
- a discharge port through which the working fluid is discharged toward the tool, and a discharge direction of the working fluid from the discharge port is opposite to a rotation direction of the tool, and the shaft of the tool.
- the point is set so as to be inclined at an angle ⁇ calculated by the following equation in the tangential direction of the rotation locus of the discharge port with respect to the core direction.
- the chuck device includes a passage through which the working fluid flows and a discharge port communicating with the passage, and the discharge direction of the working fluid from the discharge port is opposite to the rotation direction of the tool. If so, the rotational force of the chuck device acting on the working fluid can be reduced.
- the discharge direction of the working fluid from the discharge hole is set by inclining the tangential direction of the rotation locus of the discharge hole at an angle ⁇ with respect to the axial direction of the tool, and an appropriate angle ⁇ is calculated. The formula to do is shown. Therefore, by using the angle ⁇ calculated by the mathematical expression, the discharge direction of the working fluid can be set appropriately and easily in the chuck device.
- Another feature of the present invention is that the discharge direction is set so as to be directed toward the axis of the tool.
- the discharge direction is set to be directed toward the tool axis as in this configuration, the working fluid discharged from the discharge port is easily supplied toward the tool.
- Another characteristic configuration of the present invention is that the angle ⁇ is calculated when the peripheral speed V at the discharge port by the rotation of the chuck device is 1.9 m / s to 64.1 m / s, calculated by the following equation. The point is set at 0.9 to 55.9 degrees.
- each numerical range is specified for the peripheral speed V at the discharge port by rotation of the chuck device and the angle ⁇ for setting the discharge direction of the working fluid, which is calculated by Equation (2).
- the numerator is both (n ⁇ Dc ⁇ ⁇ ), and the peripheral velocity V and the angle ⁇ are There is a proportional relationship in which the angle ⁇ increases as the speed V increases. Therefore, by associating the circumferential speed V with the angle ⁇ , it is possible to easily set the appropriate angle ⁇ based on the circumferential speed V.
- FIG. 1 Side view of chuck device
- the figure explaining the position of the discharge outlet in a chuck device The figure explaining angle (theta) for setting the discharge direction of a working fluid
- the body 1 of the chuck device A includes a chuck body 1a, a chuck cylinder 1b, and a shank 1c.
- the chuck cylinder 1b is formed on the tip side of the chuck body 1a.
- the shank 1c is formed on the rear end side of the chuck body 1a and is attached to the rotating spindle of the machine tool.
- a hole (not shown) for holding the tool B (see FIG. 2) is formed in the chuck cylinder 1b along the direction of the axis Q.
- a coolant jet passage 3b (an example of a passage) through which a coolant (an example of a working fluid) flows is provided inside the chuck cylinder 1b.
- the coolant ejection path 3b extends in the direction of the axis Q, and communicates with a coolant supply path (not shown) separately provided in the chuck cylinder 1b.
- the coolant supply path is, for example, a flow path that is formed along the axial direction of the body 1 through the inside of the body 1.
- a plurality of coolant ejection paths 3b are arranged in the circumferential direction of the body 1 (in this embodiment, two coolant ejection paths 3b).
- a discharge port 3a is formed at the tip of the body 1 in each coolant ejection path 3b. That is, the front end surface 1d of the body 1 (chuck cylinder 1b) includes a plurality of discharge ports 3a that open in a circular shape (two discharge ports 3a in the present embodiment).
- the coolant after discharge is more affected by the rotational force of the chuck device A as the chuck device A rotates faster.
- the discharged coolant is scattered in a direction away from the axis Q of the tool B. Therefore, as shown in FIG. 2, the discharge direction of the coolant discharged from the discharge port 3a is set to be opposite to the rotation direction Rd of the tool B (chuck device A). Specifically, as shown in FIG.
- the discharge direction of the coolant is set so that the peripheral speed Vy acts in the direction opposite to the rotational direction Rd with respect to the peripheral speed V in the rotational direction Rd at the discharge port 3a. Is done.
- the coolant discharge direction is the tangential direction (the direction of the circumferential speed Vy) of the rotation locus (virtual circle S) of the center of the discharge port 3a when the chuck device A is rotated with reference to the direction of the axis Q of the tool B. It is set by inclining at a predetermined angle ⁇ .
- the coolant discharge direction is opposite to the rotation direction Rd of the tool B (chuck device A).
- the influence of the rotational force of the chuck device A on the discharged coolant can be offset. Thereby, even when the chuck device A rotates at a high speed, the coolant discharged from the discharge port 3a is prevented from being scattered outward in the radial direction of the tool B.
- a calculation formula for obtaining an angle ⁇ for suppressing the scattering of the coolant is considered.
- the average flow velocity Vav (m / s) of the coolant flowing through the inside of the chuck device A can be calculated from the following formula 3 by using the coolant pressure P (MPa) at the discharge port 3a.
- the circumferential speed V (m / s) at the discharge port 3a due to the rotation of the chuck device A is the rotation speed n (min ⁇ 1 ) of the chuck device A and the virtual circle S formed by the rotation locus of the center of the discharge port 3a. From the diameter Dc (mm) (see FIG. 3) and the circumference ratio ⁇ , it is obtained from the following equation (4).
- the angle ⁇ 3 (see FIG. 2) for discharging the coolant from the discharge port 3a toward the tool B is the rotation direction Rd in the tangential direction of the rotation locus of the discharge port 3a with respect to the direction of the axis Q.
- Is set to incline in an angle ⁇ (see FIGS. 2 and 4) set to incline in the opposite direction and in a direction (Vx direction) from the discharge port 3a toward the axis Q with reference to the direction of the axis Q.
- the angle ⁇ 2 (refer to FIG. 2 and FIG. 5) is obtained from the following equation (5).
- the speed vector of the coolant discharged from the discharge port 3a is opposite to the speed vector Vx from the discharge port 3a toward the axis Q of the tool B and the speed vector V in the tangential direction of the rotation locus (virtual circle S).
- the velocity vector Vy in the direction and the velocity vector Vz in the direction of the axis Q of the tool B are decomposed, and the velocities Vx, Vy, and Vz are expressed by the following equations 6 to 8 using the angles ⁇ , ⁇ 2, and ⁇ 3. Respectively.
- the angle ⁇ 2 set for discharging the coolant toward the center of the tip of the tool B varies depending on the length of the tool B protruding from the chuck device A. However, since the tool B requires an appropriate length for machining a workpiece or the like, the normally set angle ⁇ 2 is about 15 degrees even when it is large. If the angle ⁇ 2 is 15 degrees or less, cos ⁇ 3 ⁇ cos ⁇ , and the error range falls within 4%.
- Equation 12 When the circumferential speed V in the rotational direction Rd is equal to the circumferential speed Vy in the counter-rotating direction, the following mathematical expression 10 is derived by substituting the circumferential speed V in the mathematical expression 4 into the mathematical expression 9. It is burned. By substituting Vav (the average flow velocity of the coolant flowing through the inside of the chuck device A) in the above equation (3) into the equation (10), the following equation (11) is derived, and the following equation for obtaining the angle ⁇ from the equation (11): Equation 12 can be derived.
- Vav the average flow velocity of the coolant flowing through the inside of the chuck device A
- the coolant discharged from the discharge port 3a can be easily supplied toward the tool B.
- the tool diameter D of the tool B gripped by the chuck device A was changed between 3 mm or less and 32 mm.
- the number of rotations of the chuck device A is set corresponding to a cutting speed range of 100 to 500 m / min.
- a special machine tool capable of high-speed rotation is required to satisfy the cutting speed of 100 to 500 m / min. Therefore, when the tool diameter D is 3 mm or less, the number of rotations of the chuck device A is set to 10,000 to 50,000 min ⁇ 1 that is possible in a general machine tool.
- the range of the diameter Dc of the virtual circle S formed by the rotation locus of the central part of the discharge port 3a and the range of the rotation speed n of the chuck device A were set.
- the coolant pressure (working fluid pressure) P at the discharge port 3a is maintained at 3 to 7 MPa.
- Table 1 shows the ranges of the peripheral speed V and the angle ⁇ calculated based on these.
- Example 2 An example of using a special machine tool that can rotate the chuck device A at a high speed without decreasing the rotation speed of the chuck device A even if the tool diameter D is increased will be described.
- the tool diameter D was changed between 3 mm and 32 mm, and the range of the diameter Dc of the virtual circle S formed by the rotation locus of the central part of the discharge port 3a was set according to the tool diameter D.
- the rotation speed n of the chuck device A is maintained in the range of 25,000 to 35,000 min ⁇ 1 .
- the coolant pressure (working fluid pressure) P at the discharge port 3a is maintained at 3 to 7 MPa. Table 2 shows the ranges of the peripheral speed V and the angle ⁇ calculated based on these.
- the chuck device according to the present invention can be implemented regardless of its type as long as it is attached to the rotating spindle of a machine tool and grips a tool.
- the coolant discharge port 3a in the chuck device A is not limited to the front end surface 1d of the chuck cylinder 1b, and may be provided on a nut member or a collet according to the form of gripping the tool B. You may provide in the cover member connected to the front end surface 1d, a collet, etc.
- the coolant discharge port 3a is not limited to the above-described embodiment, and can be arbitrarily provided within a range in which the object of the present invention can be achieved.
- the coolant ejection path 3b is configured to be inclined with respect to the axis Q as a whole.
- a partial region 3 b 2 connected to the discharge port 3 a is inclined with respect to the axis Q so as to follow the discharge direction based on the angle ⁇ .
- the structure to do may be sufficient.
- the partial region 3b2 is set to be three times as long as the diameter d of the discharge port 3a.
- the flow path length of the partial region 3b2 is preferably three times or more the diameter d of the discharge port 3a.
- the coolant is discharged based on the angle ⁇ by narrowing the flow path of the partial area 3 b 3 connected to the discharge port 3 a in the coolant discharge path 3 b to be narrower than the flow path of the other areas. You may comprise so that it may discharge along a direction.
- the partial region 3b3 is formed so as to become narrower as it approaches the discharge port 3a.
- the coolant from the discharge port 3a can be used as the tool B. It can be discharged toward Further, if only the partial areas 3b2 and 3b3 of the coolant ejection path 3b are formed along the coolant discharge direction, the areas other than the partial areas 3b2 and 3b3 in the coolant ejection path 3b may be, for example, the chuck device A. It can be formed along the axial direction.
- the angle ⁇ for setting the coolant discharge direction is large, the area occupied by the coolant ejection path 3b in the circumferential direction of the chuck device A can be reduced. As a result, the coolant ejection path 3b can be easily arranged in the chuck device A.
- the present invention can be widely used in a chuck device that supplies a working fluid to a tool.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Gripping On Spindles (AREA)
Abstract
Description
チャック装置Aに把持させる工具Bの工具径Dは3mm以下~32mmの間で変更した。チャック装置Aの回転数は、切削速度100~500m/minの範囲に対応して設定される。ただし、工具径Dが3mm以下になると、切削速度100~500m/minを満たすには高速回転に対応する特殊な工作機械が必要になる。そこで、工具径Dが3mm以下の場合は、チャック装置Aの回転数を、一般的な工作機械において可能な、10,000~50,000min-1に設定する。
工具径Dを大きくしても、チャック装置Aの回転数を減少させずに、チャック装置Aを高速で回転させることができる特殊な工作機械を用いた場合の例を示す。工具径Dを3mm以下~32mmの間で変更し、工具径Dに応じて、吐出口3aの中心部の回転軌跡によって形成される仮想円Sの直径Dcの範囲を設定した。チャック装置Aの回転数nは、25,000~35,000min-1の範囲に維持する。吐出口3aにおけるクーラント圧(作業流体圧)Pは、3~7MPaに維持する。これらを基にして算出された周速V及び角度θの範囲を表2に示す。
(1)本発明に係るチャック装置は、工作機械の回転主軸に取り付けられ、工具を把持するチャック装置であれば、その形式を問わず実施できる。
1b :チャック筒
1d :先端面
3a :吐出口
3b :クーラント噴出路(通路)
3b2 :一部領域
3b3 :一部領域
A :チャック装置
B :工具
D :工具径
Dc :吐出口の中心の回転軌跡によって形成される仮想円の直径
Rd :回転方向
Q :軸芯
S :仮想円
θ :作業流体の吐出方向を回転方向の接線方向に傾斜させる角度
θ2 :作業流体の吐出方向を軸芯に向けて傾斜させる角度
θ3 :軸芯方向を基準とした作業流体の吐出角度
Claims (3)
- 前記吐出方向が、前記工具の軸芯に向かうように設定されている請求項1に記載のチャック装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/605,390 US10967471B2 (en) | 2017-04-28 | 2017-04-28 | Chuck device |
KR1020197031468A KR20190132454A (ko) | 2017-04-28 | 2017-04-28 | 척 장치 |
EP17907253.3A EP3616834B1 (en) | 2017-04-28 | 2017-04-28 | Method of using a chuck device |
JP2019515061A JP6842681B2 (ja) | 2017-04-28 | 2017-04-28 | チャック装置 |
CN201780089761.0A CN110573295B (zh) | 2017-04-28 | 2017-04-28 | 夹紧件装置 |
PCT/JP2017/017062 WO2018198362A1 (ja) | 2017-04-28 | 2017-04-28 | チャック装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/017062 WO2018198362A1 (ja) | 2017-04-28 | 2017-04-28 | チャック装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018198362A1 true WO2018198362A1 (ja) | 2018-11-01 |
Family
ID=63920234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/017062 WO2018198362A1 (ja) | 2017-04-28 | 2017-04-28 | チャック装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10967471B2 (ja) |
EP (1) | EP3616834B1 (ja) |
JP (1) | JP6842681B2 (ja) |
KR (1) | KR20190132454A (ja) |
CN (1) | CN110573295B (ja) |
WO (1) | WO2018198362A1 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5451080A (en) * | 1977-09-15 | 1979-04-21 | Dornag | Method of and apparatus for cooling drill |
US4795292A (en) * | 1985-09-06 | 1989-01-03 | Leonard Dye | Chuck for rotary metal cutting tool |
JPH0627046U (ja) * | 1992-09-10 | 1994-04-12 | 株式会社日研工作所 | 工具への流体供給装置 |
JPH0663207U (ja) * | 1993-02-09 | 1994-09-06 | 博充 豊本 | チャック |
JPH0717452U (ja) * | 1993-08-31 | 1995-03-28 | 日立精機株式会社 | クーラント噴出路を備えた工具ホルダ |
JP2002224930A (ja) * | 2001-01-30 | 2002-08-13 | Nikken Kosakusho Works Ltd | 流体通路を備えた工具ホルダ |
JP2004148429A (ja) | 2002-10-30 | 2004-05-27 | Kuroda Precision Ind Ltd | コレットチャック用コレット |
JP2014076537A (ja) | 2013-12-19 | 2014-05-01 | Daishowa Seiki Co Ltd | チャック装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5512386B2 (ja) | 1974-03-14 | 1980-04-01 | ||
JPS5951113B2 (ja) | 1979-03-23 | 1984-12-12 | 株式会社デンソー | 耐熱絶縁電線の接続方法 |
JPS61184646U (ja) | 1985-05-08 | 1986-11-18 | ||
US4669933A (en) | 1985-09-06 | 1987-06-02 | Leonard Dye | Chuck for rotary metal cutting tool |
JP2511368B2 (ja) * | 1992-06-17 | 1996-06-26 | 株式会社牧野フライス製作所 | ク―ラント供給方法および装置 |
US5405155A (en) * | 1993-05-27 | 1995-04-11 | Power Tool Holders, Inc. | Sealing collet |
JP2949038B2 (ja) * | 1994-08-02 | 1999-09-13 | 株式会社エムエスティコーポレーション | 工具ホルダの給液用キャップ |
JP3009999B2 (ja) * | 1994-10-18 | 2000-02-14 | 株式会社エムエスティコーポレーション | 切削工具の工具ホルダ |
JP4391619B2 (ja) * | 1999-04-26 | 2009-12-24 | 本田技研工業株式会社 | 工具保持装置 |
WO2009013912A1 (ja) | 2007-07-24 | 2009-01-29 | Nsk Ltd. | スピンドル装置 |
US9956621B2 (en) * | 2008-08-29 | 2018-05-01 | Franz Haimer Maschinenbau Kg | Tool holding device |
EP2332496A4 (en) | 2008-08-29 | 2017-08-09 | Xiangmin Zhang | Implanted soft palate supporter |
JP4566260B2 (ja) | 2008-12-25 | 2010-10-20 | 株式会社森精機製作所 | 工具内流路を有する工具 |
JP5512386B2 (ja) | 2009-09-25 | 2014-06-04 | Dmg森精機株式会社 | 工具内流路を有する円筒状回転工具およびこの工具による加工方法 |
ITFI20110153A1 (it) | 2011-07-25 | 2013-01-26 | Nuovo Pignone Spa | "cutting tool" |
EP2952278B1 (en) | 2013-01-29 | 2020-03-11 | OSG Corporation | Drill |
WO2014155527A1 (ja) | 2013-03-26 | 2014-10-02 | オーエスジー株式会社 | 切削液供給穴付3枚刃ドリル |
US20150048576A1 (en) * | 2013-08-13 | 2015-02-19 | Good-Tec Co., Ltd. | Machining Tool Holder With Vibration Preventing Capability and Lubricating Function |
TWI593501B (zh) | 2015-10-21 | 2017-08-01 | 財團法人工業技術研究院 | 工具機恆溫控制系統以及流路切換閥 |
-
2017
- 2017-04-28 EP EP17907253.3A patent/EP3616834B1/en active Active
- 2017-04-28 CN CN201780089761.0A patent/CN110573295B/zh active Active
- 2017-04-28 US US16/605,390 patent/US10967471B2/en active Active
- 2017-04-28 JP JP2019515061A patent/JP6842681B2/ja active Active
- 2017-04-28 KR KR1020197031468A patent/KR20190132454A/ko not_active IP Right Cessation
- 2017-04-28 WO PCT/JP2017/017062 patent/WO2018198362A1/ja active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5451080A (en) * | 1977-09-15 | 1979-04-21 | Dornag | Method of and apparatus for cooling drill |
US4795292A (en) * | 1985-09-06 | 1989-01-03 | Leonard Dye | Chuck for rotary metal cutting tool |
JPH0627046U (ja) * | 1992-09-10 | 1994-04-12 | 株式会社日研工作所 | 工具への流体供給装置 |
JPH0663207U (ja) * | 1993-02-09 | 1994-09-06 | 博充 豊本 | チャック |
JPH0717452U (ja) * | 1993-08-31 | 1995-03-28 | 日立精機株式会社 | クーラント噴出路を備えた工具ホルダ |
JP2002224930A (ja) * | 2001-01-30 | 2002-08-13 | Nikken Kosakusho Works Ltd | 流体通路を備えた工具ホルダ |
JP2004148429A (ja) | 2002-10-30 | 2004-05-27 | Kuroda Precision Ind Ltd | コレットチャック用コレット |
JP2014076537A (ja) | 2013-12-19 | 2014-05-01 | Daishowa Seiki Co Ltd | チャック装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2018198362A1 (ja) | 2020-05-14 |
CN110573295B (zh) | 2022-02-25 |
KR20190132454A (ko) | 2019-11-27 |
US20200039015A1 (en) | 2020-02-06 |
EP3616834A1 (en) | 2020-03-04 |
EP3616834A4 (en) | 2020-12-09 |
US10967471B2 (en) | 2021-04-06 |
JP6842681B2 (ja) | 2021-03-17 |
CN110573295A (zh) | 2019-12-13 |
EP3616834B1 (en) | 2023-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5512386B2 (ja) | 工具内流路を有する円筒状回転工具およびこの工具による加工方法 | |
JP5926877B2 (ja) | ドリル | |
JP5951113B2 (ja) | 切削液供給穴付3枚刃ドリル | |
KR100756291B1 (ko) | 머신 툴 | |
EP2551046B1 (en) | Cutting tool | |
WO2009107235A1 (ja) | 切りくず吸引ドリル | |
WO2018198362A1 (ja) | チャック装置 | |
TWI713738B (zh) | 夾頭裝置 | |
JP5028040B2 (ja) | フライス工具装置 | |
JP2011016203A (ja) | チャック装置及びチャック装置のナット | |
JP6906235B2 (ja) | 流体ノズル | |
JP5655130B2 (ja) | チャック装置 | |
WO2020138033A1 (ja) | 回転工具及び切削加工物の製造方法 | |
JP5276504B2 (ja) | 工具内流路を有する工具 | |
JP6447445B2 (ja) | 回転工具 | |
KR20160135397A (ko) | 선삭 가공물 가공장치 | |
JP2005034954A (ja) | 油穴付き切削工具および切削加工方法 | |
JP2017074636A (ja) | クーラント穴付きエンドミル | |
JPH08300210A (ja) | 冷却液用穴付き回転工具 | |
JP6497175B6 (ja) | 刃先回転式切削工具及び工具本体 | |
JP2023034069A (ja) | 切削工具 | |
JP6562788B2 (ja) | クーラント用ノズル | |
JP6305164B2 (ja) | 工具抱持具及び工作機械 | |
JP6267993B2 (ja) | 流路形成部品、これを用いたマシニングセンタ及びツールのシャンク部の洗浄方法 | |
JPH0661435U (ja) | 刃物に対する切削油供給装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17907253 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019515061 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20197031468 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2017907253 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2017907253 Country of ref document: EP Effective date: 20191128 |