WO1999024206A1 - Procede et appareil permettant de polir la surface interieure de la partie cylindrique d'une piece cylindrique allongee et piece cylindrique allongee - Google Patents
Procede et appareil permettant de polir la surface interieure de la partie cylindrique d'une piece cylindrique allongee et piece cylindrique allongee Download PDFInfo
- Publication number
- WO1999024206A1 WO1999024206A1 PCT/JP1998/004494 JP9804494W WO9924206A1 WO 1999024206 A1 WO1999024206 A1 WO 1999024206A1 JP 9804494 W JP9804494 W JP 9804494W WO 9924206 A1 WO9924206 A1 WO 9924206A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polishing
- cylindrical workpiece
- cylindrical
- cylindrical portion
- long
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/06—Electrochemical machining combined with mechanical working, e.g. grinding or honing
- B23H5/08—Electrolytic grinding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/04—Electrical discharge machining combined with mechanical working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/005—Machining elongated bodies, e.g. rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
- B24B5/08—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a vertical tool spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
Definitions
- the present invention provides a polishing method and apparatus for mirror-finishing the inner surface of a long cylindrical workpiece such as a metal tube or a profile having a cylindrical portion using an electro-composite polishing technique, and an electro-composite polishing by the method. It relates to a long cylindrical workpiece.
- the cylinder of a hydraulic cylinder such as a hydraulic cylinder or an air cylinder is required to have a roundness of 25 m for a hydraulic cylinder and 150 m for an air cylinder.
- the aluminum extruded hollow profile used for these materials usually has sufficient precision up to extrusion, so most products are machined like cutting. Improves roundness and dimensional accuracy.
- the inner diameter of the cylindrical part is small t, and the length is longer in the vertical direction than the material or inner diameter, and the material cannot be machined. As a result, for example, the required roundness is not satisfied and the yield decreases, or the long material must be cut into product lengths and then machined one at a time, resulting in an increase in production efficiency. It is in.
- an electrolytic composite polishing technology capable of polishing and finishing by combining an elution action by an electrolytic solution and a rubbing action by an abrasive.
- This electrolytic combined polishing technique is applied to mirror-finish the inner surface of a metal tube.
- a rotating shaft with a tool electrode attached to the tip is inserted into the metal tube, and the rotating shaft and the metal tube are rotated relatively.
- an electrolytic solution is supplied into the metal tube and an electric current is applied.
- the inner surface of the metal tube is polished with a grindstone attached to the tool electrode while gradually pulling out the rotating shaft.
- the pressing force is reduced due to the wear of the grindstone, particularly at a limited portion such as the inner surface of a long metal tube, so that a predetermined polishing performance cannot be obtained.
- the spring plate since the spring plate generates a force by giving a predetermined bending, there is a drawback that a dedicated insertion guide is required when inserting the polishing tool into the metal tube.
- the above-mentioned drawbacks caused by the spring plate can be eliminated, but a plurality of diaphragms must be individually provided corresponding to a plurality of grinding wheels.
- the cutting cost is about 1 to 3 times lower than that of aluminum alloy, and the thermal expansion coefficient is twice as high. It was difficult to achieve ultra-precision mirror surface finishing.
- electrolytic combined polishing is an ultra-precision finishing technology that can achieve a quality of finished surface roundness ⁇ 10 / m and surface roughness ⁇ 1 m, and can be applied to long pipes. Can be. It is said that even if the electrolytic composite polishing method and apparatus that used to grind the inner surface of steel or stainless steel pipes to grind the inner surface of the hollow aluminum extruded shape as it is is not accurate, it is not possible to machine with high precision. There's a problem.
- the present inventors use a conventional electrolytic composite polishing apparatus (a type in which the axial direction of a long metal tube and a tool electrode is set to be horizontal, and both the metal tube and the tool electrode are rotated in opposite directions).
- the long cylindrical workpiece to which the electrolytic composite polishing apparatus can be applied is limited to a cylindrical pipe.
- the present invention has been made in view of such conventional problems, and can accurately process even the inner surface of a cylindrical portion of an aluminum hollow extruded shape or a metal shape having various external forces. It is an object of the present invention to obtain such an electrolytic combined polishing method and apparatus and a long cylindrical workpiece having a cylindrical portion inner surface polished with high precision. Disclosure of the invention
- the method of the present invention is an electrolytic composite polishing method for polishing the inner surface of a cylindrical portion of a long cylindrical workpiece by combining an elution effect of an electrolytic solution with a rubbing effect of a grindstone provided on a tool electrode inserted into a cylinder. Then, the long cylindrical workpiece is set so that the axial force of the cylindrical part is oriented vertically, and the tool electrode attached to the tip of the rotating shaft also supported vertically downward is inserted into the cylinder. Is rotated and relatively moved in the vertical direction.
- the apparatus of the present invention is an electrolytic composite for polishing the inner surface of a cylindrical portion of a long cylindrical workpiece by combining an elution operation with an electrolytic solution and a rubbing action with a grindstone provided on a tool electrode inserted into the cylinder.
- a polishing apparatus comprising: a work holding device for installing a long cylindrical workpiece such that the axis of the cylindrical portion thereof is oriented vertically; and a polishing apparatus supported vertically downward and inserted into a cylinder of the long cylindrical workpiece.
- the rotating shaft is supported vertically downward and the tool electrode is attached to the tip, the influence of the self-weight of the tool electrode and its rotating shaft is eliminated, and the deflection of the tool electrode is suppressed and the machining accuracy is reduced. Can be improved.
- the tool electrode side is rotated without rotating the long cylindrical workpiece, it can be applied equally to various metal profiles including aluminum hollow extruded profiles with various external shapes.
- the moving device may be installed on either the rotating shaft side or the work holding device side, or may be installed on both sides. That is, it is only necessary that the long cylindrical workpiece and the tool electrode move relative to each other in the axial direction.
- the rotating shaft is rotatably supported in an outer peripheral tube supported vertically downward.
- the outer tube does not rotate, and preferably covers almost the entire length except for the tool electrode portion at the tip of the rotating shaft, and the outer tube and the rotating shaft are simultaneously moved in the axial direction.
- the rotating shaft is rotatably supported at the center of the outer peripheral tube, the deflection of the tool electrode during high-speed rotation is suppressed, and machining accuracy is improved.
- a plastic tube be spirally wound around the outer peripheral tube and that the inside of the plastic tube be pressurized.
- the plastic tube When the plastic tube is pressurized while the outer peripheral tube is inserted into, for example, a cylindrical portion of a long cylindrical workpiece, the plastic tube expands and is pressed against the inner surface of the cylindrical portion. By this operation, it is possible to prevent a slight blurring caused by the rotation of the rotating shaft and the tool electrode, maintain the outer peripheral tube at the center of the cylindrical portion at all times, and further improve the processing accuracy. Further, a hollow portion force is provided inside the tool electrode, and a pressing tube made of a silicon tube or the like is provided in the hollow portion so that the inside thereof can be pressurized. . By pressurizing the inside of the pressing tube, it becomes possible to extrude the elastic grindstone in a radial direction at a constant pressure.
- FIG. 1 is an overall explanatory diagram of an electrolytic combined polishing apparatus according to the present invention.
- FIG. 2 is a diagram for explaining the main part.
- FIG. 3 is a longitudinal sectional view of the tool electrode.
- FIG. 4 is a lateral cross-sectional view of the electrode section.
- FIG. 5 is a cross-sectional view of the aluminum hollow extruded shape used in the example. BEST MODE FOR CARRYING OUT THE INVENTION
- this electrolytic combined polishing apparatus is shown in a base 1 and a frame 2 installed thereon, an outer peripheral pipe 3 installed in a vertical direction, and an outer peripheral pipe 3.
- L which is shown in the figure, can be pressurized by a mechanism.For example, it can slide vertically along a plastic tube 6 made of silicon tube, etc., and a guide 7 attached to the frame 2.
- Moving motor 1 1 to the lower moving comprises a motor 1 2, the fixed chuck 1 3 for securing the elongate cylindrical workpiece W (anode current chucking) for rotating the rotary shaft 4 is installed in the slide member 8.
- the rotating shaft 4 is a hollow shaft (see FIG. 3), and air is introduced into the hollow hole 4 a through a rotary joint 15 at the top of the rotating shaft 4. I'm ready to go.
- the present apparatus further includes a free ring mechanism 16 located above the fixed chuck 13 and slidable along the guide 7 so as to be freely fixed at an appropriate position, and a regulating sleeve 17 disposed thereon. Equipped with a liquid receiver 18 for receiving the electrolyte flowing out of the opening of the regulating sleeve 17, a free ring mechanism 19 fixed below the fixed chuck 13, and a cathode energizing brush 20 that contacts the rotating shaft 4. I have.
- the free ring mechanisms 16 and 19 have substantially the same structure. It is independently rotatably held in two stages in the fixed sleeves 21 and 22 via free rings 23, 24, 25 and 26. .
- the free ring mechanism 1 6 and 1 9, this c is contact via the fixed chuck 1 long circular tube workpiece attached to 3 W seal packing 2 7 in the vertical opening of the cylindrical portion of 2 8
- the free rings 23 to 26 have the same or slightly larger inner diameter as the finished inner diameter of the cylindrical portion of the long cylindrical workpiece W, and have substantially the same length as an elastic grindstone of the tool electrode 5 described later.
- the free rings 23 to 26 are freely and synchronously rotated by the pressing force of the elastic grindstone to prevent the cylindrical end face of the long cylindrical workpiece W from being deformed into a bell-mouth shape by polishing. .
- the regulating sleeve 17 is provided continuously on the free ring mechanism 16 and has an inside diameter substantially equal to the inside diameter of the free rings 23 and 24.
- the rotating shaft 4 is rotatably supported in the outer peripheral tube 3 by a bearing 30.
- a felt-like seal 3 3 force is interposed between the presser holder 3 1 screwed to the lower end of the outer pipe 4 and the presser holder 3 2 fixed to the rotating shaft 4, and the electrolyte is relatively It prevents penetration between the rotating outer tube 3 and the rotating shaft 4.
- a tool electrode 5 is attached via a mounting member 34 to a tip of a rotating shaft 4 protruding from a lower end of the outer peripheral tube 3. As shown in Fig.
- the tool electrode 5 has a hollow electrode.
- the poles 35, 36 are vertically arranged at predetermined intervals.
- Each of the electrodes 35, 36 is provided with an opening force radially at 180 ° intervals, and the directions of the openings of the respective electrodes 35, 36 are shifted by 90 °.
- elastic grindstones 37 and 38 for rough polishing and finish polishing as abrasives are slidably held in a radial direction together with a holder 39.
- the hollow portion of the tool electrode 5 one end is communicated with the hollow hole 4a of the rotating shaft 4, and the other end is provided with a pressing tube 41 made of a silicon tube or the like closed by a plug 40.
- the pressing tube 41 expands due to the air introduced into the hollow hole 4a via the rotary joint 15 and pushes the elastic grindstones 37 and 38 in the radial direction, and the cylindrical portion of the long cylindrical workpiece W Press the inner surface with a constant pressure corresponding to the air pressure.
- 42 hard glass pieces are attached to the side walls of the openings of the electrode sections 35 and 36 to reduce the frictional force between the electrode sections 35 and 36 and the grinding wheel holder 39.
- the support member 9 and the outer tube 3, the bearing member 10 and the rotary shaft 4 are insulated, and the outer periphery of the outer tube 4 is insulated.
- the metal part of the tool electrode 5 is also insulated, except that the outer peripheral surface of the electrode part 35 is a partial force exposed surface on both sides of the elastic grindstone 37.
- the exposed surface is a passivation film-forming exposed surface 35a on the front side in the rotation direction of the elastic grindstone 37, and a concentrated elution exposed surface 35b on the rear side.
- the plastic pipe 6 wound around the outer peripheral pipe 3 includes the outer peripheral surface of the outer peripheral pipe 3, the cylindrical portion of the long cylindrical workpiece W, the free rings 23, 24, and the restriction sleeve. 17 are located between the respective inner peripheral surfaces.
- the plastic tube 6 when the inside of the plastic tube 6 is pressurized, it expands, and the plastic tube 6 is pressed against the inner peripheral surface thereof. Shake is prevented.
- a polishing operation using the electrolytic composite polishing apparatus will be described.
- a long cylindrical workpiece W to be processed is gripped by a fixed chuck 13, fixed on a freeing mechanism 19 via a single packing 28, and a free ring mechanism 16 is mounted. It is fixed on the long cylindrical workpiece W via the packing 27.
- the cylindrical part of the long cylindrical workpiece W each free ring 23-2 6.
- the axes of the inner peripheral surface of the regulating sleeve 1 ⁇ ⁇ ⁇ are all set on the same axis, and at the same time, they are It must be set on the same axis as the pipe 3, rotary shaft 4, and tool electrode 5 (see Fig. 1).
- C In this state, drive the moving motor 11 to lower the sliding member 8. Then, insert the tool electrode 5 from the regulating sleeve 17.
- the motor 1-12 is driven to rotate the rotating shaft 4 and the tool electrode 5 at high speed, and the rotating shaft 4 and the fixed chuck 13 are energized to process the electrodes 35, 36 side as a cathode and a long cylinder.
- the moving motor 111 is driven to pull up the tool electrode 5 at a constant speed.
- the electrolytic solution rises between the inner peripheral surfaces of the free rings 26 and 25 and the tool electrode portion 5, and flows between the inner peripheral surface of the long cylindrical workpiece W and the outer peripheral surface of the outer pipe 3.
- the liquid is discharged to the liquid reservoir 18 between the inner peripheral surface of the free rings 24, 23 and the outer peripheral surface of the outer peripheral tube 3, and between the inner peripheral surface of the regulating sleeve 17 and the outer peripheral surface of the outer peripheral tube 3.
- the abrasive sludge is separated by settling, filtered, and then sent again to the electrolyte inlet.
- the elastic wheels 37 and 38 are pressed against the inner surface of the free ring 25 ⁇ 26, and the free rings 25 and 26 rotate following the rotation of the elastic wheels 37 and 38. So it will not be polished.
- the free rings 25, 26 in two steps, the length of which is approximately equal to the length of the elastic stones 37, 38, the inertia weight force ⁇ and the elastic stone 3 followss the rotation of 7, 3 and 8 well.
- the free rings 25 and 26 prevent the cylindrical end face of the long cylindrical workpiece W from being polished into a bellmouth shape at the beginning of the polishing operation.
- a part is pressed against the inner surface of the cylindrical part and the remaining part is pressed against the free ring 25. Since the inner diameter of the cylindrical portion and the inner diameter of the free ring 25 are the same, the pressing surface of the elastic grindstone 37 pressed against them does not tilt, so that the end surface of the cylindrical portion has a bell mouth shape. Not polished.
- the cylindrical part end face is polished into a bell-shaped shape by the free ring 24. Is prevented.
- the plastic tube 6 is pressurized and pressed against the inner peripheral surfaces of the cylindrical portion of the long cylindrical workpiece W, the free rings 23, 24 and the regulating sleeve 17, and the rotating shaft 4 and Prevents minute displacement of the outer tube 3 due to high-speed rotation of the tool electrode portion 5, and consequently suppresses displacement of the tool electrode 5 in the cylindrical portion.
- the long cylindrical workpiece to which the method of the present invention is applied is not limited to a metal pipe or a steel pipe made of steel, stainless steel, aluminum, aluminum alloy, or the like.
- the length of the cylindrical part is more than 10 times its diameter.
- This long cylindrical workpiece is finish-polished by electrolytic combined polishing so that the inner surface of the cylindrical portion has a roundness of 10 m or less and a surface roughness R max of 1 / m or less.
- An aluminum hollow extruded shape having a cross-sectional shape shown in Fig. 5 and a length of 600mm was installed in the vertical electrolytic composite polishing apparatus shown in Fig. 1, and the central cylindrical part (finished inner diameter 32mm) was polished.
- the tool electrode has a two-stage electrode part for rough polishing and finish polishing and an elastic grindstone.
- the electrolyte is sodium nitrate aqueous solution (20%)
- the applied voltage is 8 V
- the rotation speed of the tool electrode is 2.5 m
- the rising speed is Polishing was performed under the condition of lmZ.
- the roundness of the center cylindrical part of the profile was 450 before polishing, but it was 9.2 m after force polishing, and the surface roughness before polishing (Rmax) was 0.8 ⁇ m in the force axis direction. After polishing, the surface roughness became 0.50 zm, and the surface roughness before polishing (Rmax) W
- a stainless steel cold-finished tube with a length of 600 mm was installed in the vertical electrolytic composite polishing device shown in Fig. 1, and the inner surface (finished inner diameter 32 mm) was polished.
- the tool electrode is equipped with a two-stage electrode part for rough polishing and finish polishing and an elastic grindstone.
- the electrolyte is sodium nitrate aqueous solution (20%), the applied voltage is 8 V, the rotation speed of the tool electrode is 3.0111, and the rising speed is Polishing was performed under the condition of 0.4 mZ.
- the inner surface of a cylindrical portion of a long cylindrical workpiece can be polished with high precision in terms of roundness and surface roughness without performing machining. For this reason, for example, it is possible to take a process of polishing in the state of a long material and then cutting the material into the length of a fluid pressure cylinder, thereby increasing the efficiency of high-precision polishing and improving the manufacturing efficiency. . Further, the present invention can be applied to high-precision polishing of the inner surface of a cylindrical portion of a metal profile having various external shapes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/341,339 US6994610B1 (en) | 1997-11-10 | 1998-10-05 | Method and apparatus for polishing inner an internal surface of an aluminum extrusion hollow shape |
| EP19980945618 EP0951960A4 (en) | 1997-11-10 | 1998-10-05 | METHOD AND APPARATUS FOR POLISHING THE INTERIOR SURFACE OF THE CYLINDRICAL PART OF AN ELONGATED CYLINDRICAL PART AND AN ELONGATED CYLINDRICAL PART |
| AU92838/98A AU9283898A (en) | 1997-11-10 | 1998-10-05 | Method and apparatus for polishing inner surface of cylindrical portion of elongated cylindrical work and elongated cylindrical work |
| US11/274,441 US20060065518A1 (en) | 1997-11-10 | 2005-11-14 | Method and apparatus for polishing an internal surface of an aluminum extrusion hollow shape |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9325215A JPH11138350A (ja) | 1997-11-10 | 1997-11-10 | アルミ中空押出形材の円筒部内面の研磨方法及び装置並びにアルミ中空押出形材 |
| JP9/325215 | 1997-11-10 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/274,441 Division US20060065518A1 (en) | 1997-11-10 | 2005-11-14 | Method and apparatus for polishing an internal surface of an aluminum extrusion hollow shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1999024206A1 true WO1999024206A1 (fr) | 1999-05-20 |
Family
ID=18174320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1998/004494 Ceased WO1999024206A1 (fr) | 1997-11-10 | 1998-10-05 | Procede et appareil permettant de polir la surface interieure de la partie cylindrique d'une piece cylindrique allongee et piece cylindrique allongee |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US6994610B1 (ja) |
| EP (1) | EP0951960A4 (ja) |
| JP (1) | JPH11138350A (ja) |
| AU (1) | AU9283898A (ja) |
| WO (1) | WO1999024206A1 (ja) |
Cited By (3)
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|---|---|---|---|---|
| US20100240284A1 (en) * | 2006-03-28 | 2010-09-23 | Riken | Device and method for elid honing |
| CN107617937A (zh) * | 2017-10-18 | 2018-01-23 | 杨光 | 一种金属软管剪切后管接头内壁打磨装置 |
| CN111465722A (zh) * | 2017-09-28 | 2020-07-28 | 南韩商奥森里德股份有限公司 | 电解研磨用电极框架、电解研磨用可变型电极框架及包括其的电解研磨装置 |
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| TW530717U (en) * | 2001-12-13 | 2003-05-01 | Ind Tech Res Inst | An apparatus for electrolyzing polishing/grinding internal surface of long tube |
| CN1319698C (zh) * | 2004-08-16 | 2007-06-06 | 苏州江城数控精密机械有限公司 | 小模数弧齿锥齿轮加工工艺 |
| US7402097B2 (en) * | 2004-09-24 | 2008-07-22 | Bore Repair Systems, Inc. | Track supported bore finishing device |
| JP2008264929A (ja) * | 2007-04-20 | 2008-11-06 | Tokyo Stainless Kenma Kogyo Kk | 電解研磨装置 |
| JP5441398B2 (ja) | 2008-12-15 | 2014-03-12 | Ntn株式会社 | 機械部品およびその超仕上げ加工方法 |
| CN102371526A (zh) * | 2011-10-24 | 2012-03-14 | 广东鸿图科技股份有限公司 | 自动滚轴抛光机 |
| DK2868779T3 (en) * | 2013-11-05 | 2016-05-02 | Lessmann Gmbh | Device and method for cleaning and / or polishing workpieces. |
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| JPH04341600A (ja) * | 1991-01-22 | 1992-11-27 | Sumitomo Metal Ind Ltd | 鋼管内面の研磨方法 |
| JP2897949B2 (ja) * | 1993-10-15 | 1999-05-31 | 日立造船株式会社 | 円筒工作物内面複合研磨装置 |
| JPH11300411A (ja) * | 1994-04-14 | 1999-11-02 | Sumitomo Metal Ind Ltd | Baタイプクリーンパイプおよびその製造方法 |
| US5800252A (en) * | 1996-09-03 | 1998-09-01 | Makino Inc. | Fluid-activated variable honing tools and method of using the same |
| JP2000141229A (ja) * | 1998-11-09 | 2000-05-23 | Nisshin Unyu Kogyo Kk | 特殊研磨材使用による金属加工物の電解複合研磨方法 |
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1997
- 1997-11-10 JP JP9325215A patent/JPH11138350A/ja not_active Withdrawn
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1998
- 1998-10-05 EP EP19980945618 patent/EP0951960A4/en not_active Withdrawn
- 1998-10-05 WO PCT/JP1998/004494 patent/WO1999024206A1/ja not_active Ceased
- 1998-10-05 US US09/341,339 patent/US6994610B1/en not_active Expired - Fee Related
- 1998-10-05 AU AU92838/98A patent/AU9283898A/en not_active Abandoned
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2005
- 2005-11-14 US US11/274,441 patent/US20060065518A1/en not_active Abandoned
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100240284A1 (en) * | 2006-03-28 | 2010-09-23 | Riken | Device and method for elid honing |
| US8500988B2 (en) * | 2006-03-28 | 2013-08-06 | Fuji Jukogyo Kabushiki Kaisha | Device and method for ELID honing |
| CN111465722A (zh) * | 2017-09-28 | 2020-07-28 | 南韩商奥森里德股份有限公司 | 电解研磨用电极框架、电解研磨用可变型电极框架及包括其的电解研磨装置 |
| CN111465722B (zh) * | 2017-09-28 | 2022-07-12 | 南韩商奥森里德股份有限公司 | 电解研磨用电极框架、电解研磨用可变型电极框架及包括其的电解研磨装置 |
| CN107617937A (zh) * | 2017-10-18 | 2018-01-23 | 杨光 | 一种金属软管剪切后管接头内壁打磨装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6994610B1 (en) | 2006-02-07 |
| AU9283898A (en) | 1999-05-31 |
| US20060065518A1 (en) | 2006-03-30 |
| EP0951960A1 (en) | 1999-10-27 |
| JPH11138350A (ja) | 1999-05-25 |
| EP0951960A4 (en) | 2002-10-30 |
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