WO2005023474A1 - 硬脆性材のエンドミル切削加工方法 - Google Patents
硬脆性材のエンドミル切削加工方法 Download PDFInfo
- Publication number
- WO2005023474A1 WO2005023474A1 PCT/JP2004/012731 JP2004012731W WO2005023474A1 WO 2005023474 A1 WO2005023474 A1 WO 2005023474A1 JP 2004012731 W JP2004012731 W JP 2004012731W WO 2005023474 A1 WO2005023474 A1 WO 2005023474A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- end mill
- cutting
- ball end
- ball
- processing
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/1009—Ball nose end mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/04—Milling with the axis of the cutter inclined to the surface being machined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/48—Methods of milling not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/12—Boron nitride
- B23C2226/125—Boron nitride cubic [CBN]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/18—Ceramic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/45—Glass
-
- 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
- Y10T409/303808—Process including infeeding
-
- 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 an end mill cutting method for a hard and brittle material using a ball end mill or a square end mill, and particularly to a method for cutting a vitreous inorganic material such as glass and a hard brittle inorganic material such as single crystal silicon.
- the present invention relates to an end mill cutting method for a hard and brittle material that performs fine grooving on a material.
- micro TAS which is known as Lab on a chip
- Lab on a chip is frequently used in the fields of chemistry, pharmaceuticals, medical treatment, etc., and performs cutting of fine grooves etc. on substrate materials such as vitreous inorganic materials.
- Technology is important.
- End milling includes ball end milling and square end milling.
- the ball end mill 101 has a shape as shown in FIG. 1, and the square end mill 113 has a shape as shown in FIG.
- the ball end mill 101 is cut so that the rotation axis 103 of the ball end mill 101 is substantially perpendicular to the processing side surface 107 of the work material 105. And moved in the direction of the arrow.
- the bite A of the cutting edge 109 with a small cutting thickness shown by the solid line in Fig. 2 is a detached portion B of the cutting blade 109 shown by a two-dot chain line in FIG. Others will be removed in subsequent cuttings as chips.
- FIG. 2 shows that the cutting edge 109 of the biting portion A rotates and moves to the separating portion B, during which the ball end mill 101 moves from the position indicated by the solid line to the position indicated by the two-dot chain line.
- the rotating shaft 115 of the square end mill 113 is set so as to be substantially perpendicular to the processing side surface 107 of the work material 105. 117 is cut. Next, as in the case shown in FIG. 2, it is moved in the direction of the arrow substantially parallel to the processing-side surface 107.
- the cutting mechanism is performed in the same relationship between the biting part A and the detached part B as in the ball end milling described above.
- a diamond is used as a tool material.
- the depth of cut is less than 1 ⁇ ⁇ ⁇ , as described in JP-A-9-155617, it is ductilely deformed as in the case of metal cutting, so that brittle damage is not caused. The surface is obtained.
- a diamond ball end mill is, for example, a cemented carbide ball end mill. It is very expensive at about 10 times the price of the Square End Mill 113, and the cost is high.
- a ball end mill 101 having a radius of curvature R cuts the vicinity of a processed surface of a work material 105, the cut ends.
- the cutting radius of the cutting edge 109 at the center of the rotating shaft 103 of the ball end mill 101 is zero (0), and the turning radius r2 of the cutting edge 109 is near the center of the rotating shaft 103. Because of the small size, the cutting speed is also low, so there is a problem that the machinability is reduced.
- the present invention has been made to solve the above problems.
- a carbide ball end mill whose cutting edge has a roundness and a torsion angle is rotated to produce a work material made of a vitreous inorganic material or a hard brittle inorganic material.
- a rotation axis of the ball end mill has an inclination angle relative to a processing side surface of the workpiece in a feed direction of the ball end mill.
- the cutting is performed in water.
- the inclination angle of the ball end mill is set such that when the outer peripheral surface of the cutting edge of the ball end mill is located at a predetermined cutting depth, the radius of curvature of the ball end mill is It is preferable that the end circumferential line is inclined at an angle greater than or equal to 90 ° and inclined to a position where the terminal circumferential line intersects the processing side surface of the work material.
- the inclination angle of the ball end mill is 45.
- the rotation speed is about 20000 rpm, and the feed rate is 18 ⁇ m / sec.
- the radius of curvature of the ball end mill is 200 ⁇ m and the cutting depth is 15 to 20 ⁇ m.
- the square end milling method of the present invention is characterized in that a square end mill having a rectangular cutting edge and a torsion angle is rotated to cut a work material made of a vitreous inorganic material or a hard and brittle inorganic material. It is characterized by performing cutting without damage at a feed rate of 8-6 nm / edge.
- the feed rate is 0.24 mm / min or less.
- the rotation speed is preferably set to 50,000 rpm or more.
- a vitreous inorganic material As understood from the means for solving the above problems, according to the ball end milling method of the present invention, a vitreous inorganic material, hard brittleness and for a work material made of an inorganic material, for example, a fine machining groove having a depth of about 15 to 20 ⁇ and a width of about 200 / m can be efficiently cut at once. As a result, productivity can be improved about 20 times compared to the past.
- a cemented carbide ball end mill costs about one tenth of a diamond end mill. Therefore, both the productivity and the cost of the tool can be expected to be reduced by about 200 times.
- the feed of one cutting edge of the square end mill is set to 4.8-6 nm / edge.
- FIG. 1 is a schematic explanatory view of a conventional ball end milling principle.
- FIG. 2 is a plan view of FIG. 1.
- FIG. 3 is a schematic explanatory view of conventional square end mill processing.
- FIG. 4 is a schematic explanatory view of the principle of a ball end miller according to the first embodiment of the present invention.
- FIG. 5 is a schematic explanatory view of the above-mentioned ball end milling principle.
- FIG. 6 is a schematic explanatory view of the ball end milling principle.
- FIG. 7 is a partial perspective view of a machining center as a cutting device used in the embodiment.
- FIG. 8 is an enlarged plan view of a part of an asperity processing example manufactured by the ball end milling method of the embodiment.
- FIG. 9 is a perspective view showing a profile of a groove portion of the asperity in FIG. 8.
- FIG. 10 is a schematic explanatory diagram of a square end miller tube according to a second embodiment of the present invention.
- FIG. 11 is a plan view of FIG.
- FIG. 12 is a graph showing the total area of brittle damage with respect to the tool feed speed at a tool rotation speed of 2000 (kpm) of the square end miller.
- FIG. 13 is a graph showing the total area of brittle damage with respect to the tool rotation speed when the tool feed speed of the square end miller is 0.48 mm / min.
- FIG. 14 is a processing example of an asperity manufactured by the square end milling method, (A), (C), and (D) are plan views and (B) is a cross-sectional view.
- FIG. 15 is a cross-sectional view of the channel in FIG. 14 (D), wherein (A) is a cross-sectional view of a processing start point and (B) is a cross-sectional view of an end point.
- FIG. 16 is a plan view of a groove shape in which (A) is a processing start point and a processing distance is 50 mm, and (B) is a graph showing the retreat amount of the cutting edge of various tools.
- the cutting edge 3 of the ball end mill 1 has an obtuse angle and a torsion angle.
- the two-dimensional X-axis and Y-axis have a small cutting thickness indicated by a solid line in FIG. 2 as described above.
- Cutting edge 3 2 and the separated portion B of the cutting edge 3 which is fed in the direction of the arrow and is shown by the two-dot chain line in FIG. 2, and other portions are removed as chips in the subsequent cutting.
- the cutting thickness of the biting portion A and the detached portion B of the cutting edge 3 forming the finished surface is reduced.
- the cutting mechanism of the end mill is such that the thickness at which the cutting edge 3 cuts the material when processing the finished surface is 1 ⁇ m or less, at which the glass is not broken.
- the machining by the ball end mill 1 of this embodiment is a three-dimensionally extended one in which the Z-axis is added to the machining principle described above. That is, since the cutting edge 3 of the ball end mill 1 has a radius of curvature R in the Z-axis direction, the cutting speed of the ball end mill 1 increases with the height of the cutting edge 3 which is small at the bottom of the machining groove 5.
- the bottom of the ball end mill 1 creates a finished surface at the center of the groove (simply called a finished surface or a finished surface that will be a product). Create a surface. Therefore, by setting appropriate processing conditions, the work material 7 such as a vitreous inorganic material or a hard and brittle inorganic material can be cut ductilely.
- the rotating shaft 9 of the ball end mill 1 When the rotating shaft 9 of the ball end mill 1 is cut so as to be substantially perpendicular to the processing side surface 11 of the work material 7 as in the related art, the vicinity of the center of the rotating shaft 9 In this embodiment, as shown in FIG. 4, the rotating shaft 9 of the ball end mill 1 By inclining the material 7 on the machining side surface 11 with the inclination angle ⁇ in the feed direction, the bottom of the machining groove 5 is machined while maintaining a certain cutting speed. Even if the inclination angle is 90 °, that is, even if the rotation axis 9 of the ball end mill 1 is perpendicular to the processing side surface 11 of the work material 7, a force that can be machined To secure a cutting speed It is desirable to have an inclination angle ⁇ .
- the use range F of the cutting edge 3 actually cut by the ball end mill 1 is The machining side of the workpiece 7 in the feed direction from the vertical surface VP that passes through the center O of the radius of curvature R of the hole 1 and is perpendicular to the feed direction of the workpiece 7 and the feed direction of the ball end mill 1 Surface 1 1 In the range. Therefore, the machining side surface 11 of the work material 7 has a large cutting speed due to the turning radius rl of the cutting edge 3 and the cutting speed due to the turning radius r2 of the cutting edge 3 is maintained at the bottom of the machining groove 5. become. It should be noted that the smaller the inclination angle ⁇ , the higher the cutting speed by the turning radius r2.
- the applicable range of the inclination angle ⁇ of the rotating shaft 9 of the ball end mill 1 is that the ball end mill 1 is inclined in the feed direction at an angle of the inclination angle ⁇ 1 or more.
- the applicable range of the inclination angle ⁇ is 26 ° ⁇ ⁇ ⁇ 90 °.
- the optimum inclination angle ⁇ is set in consideration of the number of revolutions of the ball end mill 1, feed speed, depth of cut, radius of curvature R, operability (machining efficiency), and other various machining conditions. Become.
- a machining center 13 as a cutting device has a spindle attachment 17 attached to a lower portion of a spindle head 15 and a brushless motor having a maximum rotation speed of 80000 rpm.
- a spindle 19 is provided so that the inclination angle ⁇ can be arbitrarily set via a spin Dole clamp 21.
- a ball end mill 1 made of cemented carbide was used.
- the carbide ball end mill 1 is mounted on the spindle 19, and the movement in the X-axis and Y-axis directions is performed using the servo mechanism of the machining center 13. Therefore, the spindle 19 is moved in the two-dimensional direction of the X-axis and Y-axis. Can be arbitrarily inclined with respect to. Accordingly, the ball end mill 1 can be similarly arbitrarily tilted.
- a stage 23 driven by a stepping motor having a resolution of 0.3 ⁇ m was used. That is, the stage 23 can be moved in the X-axis and Y-axis directions by the servomotor, and the spindle head 15 can be moved in the Z-axis direction.
- the stage 23 is provided on a pallet 25 of the machining center 13.
- the glass as the work material 7 is held in a water tank 27 on the stage 23 so that it can be cut in water.
- the carbide ball end mill 1 is mounted on the spindle 19 and tilts the spindle 19 in the X-axis and Y-axis directions at an inclination angle ⁇ of 45 °, for example, with a radius of curvature R of 0.2 mm or 0.2 mm.
- a cutting test was performed using a 25 mm carbide ball end mill 1.
- the cDNA attached to the test region It is essential to keep the amount of DNA and oligo DNA constant.
- machining grooves 5 with a depth of 15-20 ⁇ were cut at regular intervals in the X-axis and Y-axis directions to create microasperities with a constant area.
- FIGS. 8 and 9 this is an example in which a total of 100 asperities are processed by 10 in the vertical and horizontal directions.
- Fig. 8 is an enlarged view of a part, and each asperity has a good machined surface.
- FIG. 9 shows the profile of the groove in the asperity of FIG. 8, and a good finished surface is obtained as in the cross section shown in the lower side of FIG.
- the cutting depth of the vertical machining grooves 5 is 20 ⁇ m
- the cutting depth of the horizontal machining grooves 5 is 15 ⁇ m.
- the distance between the processing grooves 5 in the column is 300 ⁇ m.
- the ball end mill 1 having a radius of curvature R of 200 ⁇ m and 250 / im was used, and actually, the ball end mill 1 had another arbitrary radius of curvature. The same operation and effect can be obtained by using the ball end mill 1.
- FIGS. 10 and 11 in a square end mill 29 (hereinafter, also simply referred to as a “tool”) according to this embodiment, as shown in FIG.
- the rotating shaft 33 is cut so as to be substantially perpendicular to the processing-side surface 11 of the workpiece 7 and is moved in the direction of the arrow as shown in FIG.
- the machining process of the square end mill 29 The process force is composed of a process in which the mill 29 cuts in the depth direction of the channel and a process force in the lateral direction.
- the cutting mechanism is performed in the same relationship between the biting portion A and the detached portion B as in the ball end mill cap described above.
- the feed F (feed / edge) per cutting edge 31 becomes the maximum cutting thickness.
- the cutting thickness of glass is 1 ⁇ m or less, chips similar to metal are generated and processing can be performed without brittle cracks.
- the feed F per one cutting edge 31 by setting the feed F per one cutting edge 31 to 1 ⁇ m or less, a machined surface without brittle damage can be obtained.
- the cutting depth in the axial direction of the square mill 29 is set at several tens of ⁇ m, and the force for machining the groove 5 is set appropriately.
- the feed F per cutting edge 31 needs to be considerably smaller than 1 / m. . Therefore, in order to obtain an appropriate feed speed per cutting edge 31 in the square end milling machine, various cutting characteristic tests were performed.
- a machining center 13 shown in FIG. 7 is used as a cutting device.
- the work material 7 is held in the water tank 27 so that the cutting fluid is sufficiently supplied.
- the feed of the X and Y axes is driven by a servo mechanism of the machining center 13, and the cut in the Z axis direction is driven by a stepping motor having a resolution of 0.3 / im.
- a two-blade carbide square end mill 29 with a TiAIN coat of ⁇ . 3 mm is used, and a microchannel having a rectangular cross section is usually formed in a crown glass used as a slide glass. An attempt was made to observe the brittle damage state of the groove edge.
- the tool feed speed was kept constant at 0.48 mmZmin, and the tool rotation speed was changed to 30000 80000 rpm.
- the total area of brittle damage that occurred at the end of the groove was compared with the number of rotations of the tool.
- the feed speed per cutting edge decreases with an increase in the force rotational speed at which brittle damage occurs.
- a high rotational speed of 50,000 rpm or more there is no favorable brittle damage.
- a processed surface is obtained.
- FIG. 14 (A) shows a 3 ⁇ 3 microchannel in which four channels of a processing groove 5 having a depth of 20 ⁇ m are orthogonally arranged vertically (vertical direction in the figure) and laterally (horizontal direction in the figure). This is an example of processing an asperity.
- FIG. 14B is an example in which a channel of a deep groove 5 having a rectangular cross section of 0.3 mm in width and 0.1 mm in depth is added.
- the cutting in the axial direction of 20 z m is repeated five times to form a machining groove 5 having a depth of 0.1 mm.
- FIG. 14 (C) shows a microreactor in which a ⁇ -shaped channel is machined with a machining groove 5 having a depth of 20 ⁇ m. A spiral channel was created with a machining groove 5 of xm.
- FIGS. 14 (A) to 14 (D) at the start of machining, there is no brittle damage and a good machining surface is obtained. Force S, machining distance, width and depth of machining groove 5. Is getting smaller.
- FIG. 15 (A) shows a cross section at the processing start point
- FIG. 15 (B) shows a cross sectional shape at the processing end point.
- the width and depth of the processing groove 5 decrease with the processing distance, and the central portion of the groove bottom is deeper than other portions.
- the groove width is about 370 xm and the groove depth is about 32 ⁇ m.
- the groove width is about 250 ⁇ m, and the groove depth is about 22 to 24 zm. It is about.
- the following four types of tool materials are used: carbide alloy, TiAIN-coated cemented carbide, DLC-coated cemented carbide, and cBN.
- a cutting test was performed using a square end mill 29, and the wear resistance of each of the above tools was measured and compared with the grooved surface. The cutting conditions were as follows: the tool feed rate was 0.24 mm / min, the number of revolutions of the tool was 20000 i "pm, and the axial depth of cut was 20 ⁇ m. Was.
- the edge retreat amount (Edge lost) of the cutting edge 31 at the position of a radius of 90 ⁇ m of the bottom edge of the square end mill 29 was 7. 32 zm and most After that, the DLC-coated cemented carbide was 10.73 / im, the TiAIN-coated cemented carbide was S16. 31 ⁇ , and the cemented carbide was 26 ⁇ 08 ⁇ m, increasing in order.
- the cBN tool has excellent wear resistance, based on the change in the processing groove width W that accompanies the processing distance and the amount of edge retreat (Edge lost). I knew it was there.
- the feed F per one cutting edge 31 of the square end mill 29 is set to 4.86 nmZedge.
- the effect of tool wear on the machined surface increases, but in the case of glass grooves, cBN tools have better wear resistance than cemented carbide tools.
- the chemical analyzer “Micro TAS” integrated in the size of the preparation is inexpensive and efficient, and the trial production and practical application of making a “pattern” made of glass with a fine pattern, etc. Various applications can be expected.
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- Engineering & Computer Science (AREA)
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/570,201 US20070127995A1 (en) | 2003-09-02 | 2004-09-02 | End mill cutting method for hard brittle material |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2003310494 | 2003-09-02 | ||
JP2003-310494 | 2003-09-02 | ||
JP2004-073020 | 2004-03-15 | ||
JP2004073020A JP2005096399A (ja) | 2003-09-02 | 2004-03-15 | ボールエンドミル加工方法及びスクエアエンドミル加工方法 |
Publications (1)
Publication Number | Publication Date |
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WO2005023474A1 true WO2005023474A1 (ja) | 2005-03-17 |
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ID=34277691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/012731 WO2005023474A1 (ja) | 2003-09-02 | 2004-09-02 | 硬脆性材のエンドミル切削加工方法 |
Country Status (3)
Country | Link |
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US (1) | US20070127995A1 (ja) |
JP (1) | JP2005096399A (ja) |
WO (1) | WO2005023474A1 (ja) |
Cited By (3)
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CN105772810A (zh) * | 2016-03-22 | 2016-07-20 | 海宁市永发刀剪有限公司 | 理发剪刀头生产用自动铣床 |
CN110586994A (zh) * | 2019-09-11 | 2019-12-20 | 宜昌船舶柴油机有限公司 | 一种倾斜刀轴铣削大型超高精度密封平面的方法 |
CN112428311A (zh) * | 2020-09-25 | 2021-03-02 | 深圳市祥晖光电有限公司 | 一种具有抛光效果的半圆弧板材的切割方法 |
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JP4989950B2 (ja) * | 2005-11-01 | 2012-08-01 | 本田技研工業株式会社 | ワークの加工方法 |
JP5007387B2 (ja) * | 2006-01-30 | 2012-08-22 | 長崎県 | ニッケル合金の水溶液中におけるエンドミル切削加工装置及びその加工方法 |
JP4928808B2 (ja) * | 2006-03-14 | 2012-05-09 | 学校法人東京電機大学 | 硬脆性材料の切削加工方法 |
DE102008033130B3 (de) * | 2008-07-15 | 2010-02-11 | Open Mind Technologies Ag | Verfahren zur Herstellung eines Fertigteils aus einem Rohteil mittels eines Fräswerkzeuges |
JP5577159B2 (ja) * | 2010-06-04 | 2014-08-20 | 本田技研工業株式会社 | ワークの表面の加工方法 |
JP5491996B2 (ja) * | 2010-07-07 | 2014-05-14 | 株式会社日立ハイテクノロジーズ | 平坦な封止面を有する封止部材及びその加工方法 |
JP5842554B2 (ja) * | 2011-11-09 | 2016-01-13 | 株式会社Ihi | 溝加工方法 |
CN106660143B (zh) * | 2015-07-24 | 2018-04-06 | 山崎马扎克公司 | 沟部的加工方法 |
JP6696821B2 (ja) * | 2016-04-26 | 2020-05-20 | Dmg森精機株式会社 | 工作機械 |
GB201616955D0 (en) * | 2016-10-06 | 2016-11-23 | University Of Newcastle Upon Tyne | Micro-milling |
CN112188942B (zh) * | 2018-05-24 | 2023-09-29 | 诺斯库有限公司 | 工具及用于内部冷却的切削刀片及制造切削刀片的方法 |
CN110202199A (zh) * | 2019-07-08 | 2019-09-06 | 中国工程物理研究院化工材料研究所 | 一种用于加工含硬质异物的pbx复合材料的装置及方法 |
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JP4450114B2 (ja) * | 1997-11-26 | 2010-04-14 | オイレス工業株式会社 | 多孔質静圧気体軸受用の軸受素材及びこれを用いた多孔質静圧気体軸受 |
JP3943797B2 (ja) * | 2000-03-31 | 2007-07-11 | キヤノン株式会社 | 画像形成装置 |
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2004
- 2004-03-15 JP JP2004073020A patent/JP2005096399A/ja active Pending
- 2004-09-02 US US10/570,201 patent/US20070127995A1/en not_active Abandoned
- 2004-09-02 WO PCT/JP2004/012731 patent/WO2005023474A1/ja active Application Filing
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JPH09255500A (ja) * | 1996-03-19 | 1997-09-30 | Shinetsu Quartz Prod Co Ltd | 脆性体からなる被加工物の加工方法 |
JP2000005915A (ja) * | 1998-06-22 | 2000-01-11 | Toyota Central Res & Dev Lab Inc | ボールエンドミルによる切削方法およびフライス盤制御装置 |
JP2000198012A (ja) * | 1998-12-29 | 2000-07-18 | Toshiba Mach Co Ltd | 難切削材の加工方法 |
JP2002254232A (ja) * | 2001-02-23 | 2002-09-10 | Incs Inc | 回転工具による切削加工方法 |
JP2003329679A (ja) * | 2002-05-09 | 2003-11-19 | Akita Prefecture | Dnaチップ用基板、dnaチップ、及びそれらの製造方法、並びに解析システム |
Cited By (3)
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CN105772810A (zh) * | 2016-03-22 | 2016-07-20 | 海宁市永发刀剪有限公司 | 理发剪刀头生产用自动铣床 |
CN110586994A (zh) * | 2019-09-11 | 2019-12-20 | 宜昌船舶柴油机有限公司 | 一种倾斜刀轴铣削大型超高精度密封平面的方法 |
CN112428311A (zh) * | 2020-09-25 | 2021-03-02 | 深圳市祥晖光电有限公司 | 一种具有抛光效果的半圆弧板材的切割方法 |
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JP2005096399A (ja) | 2005-04-14 |
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