WO1997006922A1 - Procede de controle des formes et machines a commande numerique fonctionnant selon ce procede - Google Patents
Procede de controle des formes et machines a commande numerique fonctionnant selon ce procede Download PDFInfo
- Publication number
- WO1997006922A1 WO1997006922A1 PCT/JP1996/002294 JP9602294W WO9706922A1 WO 1997006922 A1 WO1997006922 A1 WO 1997006922A1 JP 9602294 W JP9602294 W JP 9602294W WO 9706922 A1 WO9706922 A1 WO 9706922A1
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- WIPO (PCT)
- Prior art keywords
- data
- shape
- grindstone
- command data
- error
- Prior art date
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Classifications
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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
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
-
- 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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/001—Devices or means for dressing or conditioning abrasive surfaces involving the use of electric current
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
- G05B19/4166—Controlling feed or in-feed
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34048—Fourier transformation, analysis, fft
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37365—Surface shape, gradient
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37574—In-process, in cycle, machine part, measure part, machine same part
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37576—Post-process, measure worpiece after machining, use results for new or same
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/40—Robotics, robotics mapping to robotics vision
- G05B2219/40166—Surface display, virtual object translated into real surface, movable rods
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45156—Grind on lathe
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45157—Grind optical lens
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/49—Nc machine tool, till multiple
- G05B2219/49251—Dress by conductive fluid between conductive grindstone and electrode
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50063—Probe, measure, verify workpiece, feedback measured values
Definitions
- the present invention relates to a shape control method in electrolytic dressing grinding and an NC processing apparatus using the method.
- a conductive grindstone is used in place of the electrode used in the conventional electrolytic grinding, an electrode facing the bracket is provided at an interval, and a conductive liquid is flown between the grindstone and the electrode.
- a workpiece is ground with a grindstone while applying a voltage between the electrodes and dressing the grindstone by electrolysis.
- the ELID grinding method can be used to maintain the sharpness of the grinding wheel from high-efficiency grinding to mirror grinding, and to create a highly accurate surface in a short time, which was impossible with conventional technology. Application to processing is expected.
- Aspherical optical elements for example, lenses and mirrors
- Aspherical optical elements that are typical examples of ultra-precision parts Requires not only surface roughness but also high shape accuracy.
- a conductive grindstone whose surface has a desired shape (for example, an aspherical surface) is indispensable. was there.
- a grindstone having a desired surface shape is formed, it is impossible to maintain high shape accuracy because the surface shape changes due to wear and dressing during use.
- NC control numerically controls the processing position of the grindstone (NC control) and performs ELID grinding of the desired surface shape
- the measurement data obtained by measuring the workpiece shape after processing contains various signal components in addition to the true signal from the measurement target. Examples include false signals from sources other than the measurement target, fluctuations in sensor sensitivity due to fluctuations in the measurement environment, and temperature drifts in electrical systems. Also, if rough grinding is performed at the initial stage to improve the processing efficiency, the measured data contains a fine signal waveform that indicates the roughness component when the rough processing surface state is measured. It is difficult to grasp the shape. For these reasons, creating correction data from measurement data has conventionally been difficult for even skilled personnel, requiring a long time, and having many correction mistakes.
- an object of the present invention is to provide a shape control method in ELID grinding that can achieve high shape accuracy with a small number of processing times by using an NC processing device, and an NC processing device by this method.
- Another object of the present invention is to provide a shape control method capable of extracting a true shape signal from measurement data.
- Another object of the present invention is to provide an NC machining apparatus for ELID grinding, which can avoid a displacement caused by mounting and removing a workpiece. Disclosure of the invention
- an electrode is provided facing the conductive grindstone at an interval, and a voltage is applied between the grindstone and the electrode while flowing a conductive liquid between the grindstone and the electrode.
- the work is ground by the command data Z Gan (i) , the shape of the machined surface is measured, and the measured data is measured.
- the shape error data e (i) is registered by filtering the data, new command data is created by adding corrections, and the workpiece is ground again using the command data.
- a new command data Z + is created by adding a correction to the error data e and (i) , and the work is reprocessed.
- True shape It can extract a signal, and the correction can be sequentially closer to the high shape accuracy.
- the correction refers to past command data and (shape) error data, and sets an expected value of a difference between these command data and error data as new command data.
- the ToTadashi is obtained a set of command data and error data obtained in the past, experiments of (Z x ', ex 1) and (Z, 11, e ") , and i-th (i ⁇ 3) Among the three sets of data (Z, (i) , e (i) ) obtained, except for the error data with the largest absolute value from two or three error data with the same sign, the remaining two sets When the sign of the error is the same sign, a value obtained by subtracting K times the corresponding error from the command value of the smaller set of errors is given as correction data, and when the sign of the error is a different sign, In the rectangular coordinates of (X, y), it is preferable that the X coordinate of the intersection between the straight line passing through the two points and the X axis be the new command data Z + . High shape accuracy can be achieved by the number of times.
- the filtering is performed by a low-pass filter using a frequency domain method based on a fast Fourier transform. Further, it is preferable to remove high-order frequency components of about 16 to 64 cycles / 100 mm or more by the low-pass final letter. This method removes higher-order frequency components such as false signals, fluctuations in sensor sensitivity, temperature drift of the electrical system, and fine signal waveforms that represent roughness components, which are included in the measured data, and reduces the true shape. Extract the signal be able to.
- a conductive grindstone for grinding a workpiece, an electrode opposed to the grindstone at an interval, and an application device for applying a voltage between the grindstone and the electrode.
- a shape measuring device that measures the shape of the machined surface in an NC machining device that numerically controls the position of the grindstone and grinds the workpiece with the grindstone while flowing a conductive liquid between the electrodes and dressing the grindstone by electrolysis.
- a correction device for correcting the command data for numerical control the workpiece is ground by the command data Z, (i) , the shape of the machined surface is measured by the shape measuring device, and the measurement data is filtered.
- Te shape error data e (registers i, new command data Z by adding the correction by the correction device, create a +, again grinding the workpiece by the command data, the NC machining apparatus characterized by It is subjected.
- FIG. 1 is an overall configuration diagram of an NC machining apparatus according to the present invention
- FIG. 2 is a schematic flowchart of a shape control method according to the present invention
- FIG. 3 is a diagram illustrating a shape control method according to the present invention.
- FIG. 4 is a first control flow diagram illustrating one embodiment
- FIG. 4 is a diagram schematically illustrating a correction method in FIG. 3
- FIG. 5 is a diagram illustrating a relationship between Equations 1, 2, and 3.
- FIG. 6 is a second control flow diagram showing a second embodiment of the shape control method according to the present invention
- FIG. 7 is a diagram schematically showing the correction method in FIG.
- FIG. 8 shows ⁇ in equation (5).
- FIG. 9 is a diagram showing a measurement data string after filtering when the value is changed.
- FIG. 9 shows measurement data before and after filtering according to the present invention.
- Fig. 10 shows error data before and after the shape correction according to the present invention, and
- Fig. 11 shows error data before and after the shape correction according to the present invention.
- FIG. 1 is an overall configuration diagram of an NC processing apparatus according to the present invention.
- an NC processing apparatus 10 applies a voltage between a conductive grindstone 2 for grinding a work 1, an electrode 4 facing the grindstone 2 at a distance, and a grindstone 2 and an electrode 4.
- An application device 6 is provided, a conductive liquid 7 is flowed between the grinding wheel 2 and the electrode 4, and the position of the grinding wheel is numerically controlled while dressing the grinding wheel 2 by electrolysis, and the work 1 is ground by the grinding wheel 2 (see above).
- ELID grinding the work 1 is attached to a turntable 8 and rotates about the z-axis and moves in the z-axis direction.
- the grindstone 2 rotates about an axis parallel to the y-axis.
- the NC processing device 10 of the present invention includes a shape measuring device 12 for measuring the shape of the processed surface, and a correction device 14 for correcting the numerical control command data.
- the shape measuring device 12 is, for example, a digital contraster, a laser micro, or the like having a high measurement resolution, and is mounted at a position that does not affect the processing of the work 1 by the grindstone 2.
- the shape of the machined surface can be measured accurately without removing the machine.
- the compensator 14 creates new command data Z » + by applying a correction based on the error data (i) obtained by filtering the measurement data. .
- FIG. 2 is a schematic flowchart of a shape control method according to the present invention. As shown in this figure, after creating a shape by the above-mentioned ELID grinding, the shape was measured with a shape measuring device with high measurement resolution, the obtained shape error data was filtered, and the corrected NC was added. Create data and create a new shape according to the NC data. By repeating this, it is possible to reduce the shape error and to approach the ideal shape.
- FIG. 3 is a first control flow chart showing a first embodiment of a shape control method according to the present invention.
- a shape is first created by grinding based on appropriate command data Z, (i) .
- the workpiece shape is measured and the shape error data e, (i) (hereinafter simply referred to as error data) are calculated.
- the error data that has been subjected to appropriate filtering is newly registered as error data for creating correction data.
- the i + 1st command data Z + is a coefficient K determined by the command point x, the number of additions i, the number of work revolutions w, the grinding wheel feed speed f, the i-th command data Z, (i), etc. Can be expressed by the following equation.
- FIG. 4 is a diagram schematically showing the correction method in FIG.
- the horizontal axis represents the command data Z and the vertical axis represents the error data e.
- t thus error data e is zero, this
- the following equation ( 1 ) or (2) is used to determine the i + 1st finger data Z, (i + 1) .
- Higher shape accuracy can be sequentially approached.
- FIG. 5 is a diagram showing the relationship among the expressions 1, 2, and 3.
- the number 1 (Equation (2) in Fig. 5) for obtaining the expected value is expressed by Equation 2 (3 in Fig. 5) when referring to all past command data (i>) .
- Equation 3 (1 in Fig. 5.) Therefore, by using Equation 2 (or Equation 3) instead of Equation 1, it is possible to eliminate repeated calculations based on a large number of data and calculate The time can be significantly reduced.
- FIG. 6 is a second control flow chart showing a second embodiment of the shape control method according to the present invention
- FIG. 7 is a view schematically showing the second correction method in FIG.
- Fig. 6 first, similarly to the method in Fig. 3, the workpiece shape after creating the shape by processing based on the appropriate command data Z, 1 is measured, and the error data from the designed shape is measured. Calculate e and 1 .
- the measurement data that has undergone appropriate filtering is newly registered as error data for creating correction data, and a set of command data 'and error data' is created for all command data. Repeat this operation twice to create two sets of command data and error data. Let these pairs be (Z, ', e,') and (Z i 'e, ").
- K is a constant or a number determined by a command point x, the number of machining times i, the number of work revolutions w, the grinding wheel feed speed f, the i-th command data tn, etc., as in the first embodiment.
- Two sets of data used last time and one set of newly created data A total of three sets of data with two or three pieces of error data with the same sign except for the one with the largest absolute value, and the remaining two sets Find the correction data in the same way as in the previous case.
- these operations are repeated to approximate the ideal shape.
- This method has a feature that convergence is faster than the method of the first embodiment. Therefore, by this method, convergence is accelerated, and high shape accuracy can be achieved with a small number of processing times.
- the correction method in the shape control method of the present invention may use any of the first embodiment and the second embodiment, or may use a combination thereof.
- the measurement data includes various signal components in addition to the true signal from the measurement target. Examples include false signals from sources other than the measurement target, fluctuations in sensor sensitivity due to fluctuations in the measurement environment, and temperature drifts in the electrical system. Thus, removing unnecessary signal components other than the true signal from the measurement target is extremely important for improving processing accuracy.
- a fine signal waveform which indicates the roughness component from the measurement of a rough machined surface state in the case of rough grinding, is unnecessary for creating appropriate correction data, and filtering is indispensable. Become.
- the measured data is smoothed by applying a low-pass filter to the measured data using a frequency domain method based on a fast Fourier transform (FFT) to remove high-order frequency components.
- FFT fast Fourier transform
- W ( ⁇ ) is a filter function, and a specific frequency component can be extracted or removed by selecting the filter function.
- this filter function is selected as follows.
- FIG. 10 is a diagram showing a measurement data string after filtering when the value is changed.
- the figure on the upper left is the measured data string before filtering, and the other figures show the measured data string after removing the frequency shown in the lower right of each figure.
- the low-pass filter removes higher-order frequency components of about 16 to 64 cycles / 100 mm or more, thereby removing false signals, fluctuations in sensor sensitivity, To remove high-order frequency components such as fine signal waveforms, which mean temperature drift and roughness components of electrical systems, and extract true shape signals You can see that it can be done. (Example)
- Table 1 shows the configuration and specifications of the shape control experimental device used in this example.
- an ultra-precision aspherical processing machine having a positioning accuracy of 10 nm and an air suppression bearing was used.
- a # 100 iron-bonded diamond diamond straight whetstone (075 mm x W3 mm) was used.
- the abrasive diameter is about 15 m.
- a digital count laser with a resolution of 25 nm and a repetition accuracy of ⁇ 0.1 m was used as the profile measurement device.
- the ELI D power source a dedicated ELI D power source that generates a high-frequency pulse voltage was used, and a conventional water-soluble grinding fluid AFG-M diluted 50 times with tap water was used as a grinding fluid.
- the work used was a SiC sintered body having a diameter of 100 mm.
- the processing shape was a spherical surface with a radius of 2 m for simplicity. As shown in Table 2, the grinding conditions were the same each time. After that, the workpiece was removed from the processing machine, the surface was sufficiently cleaned, and the shape was measured using a digital controller. Compensation data was created using a computer based on the measured data, and was sent to the NC processing equipment. A new shape was created in accordance with the NC data.
- the first correction method shown in the first embodiment and the second correction method shown in the second embodiment were used together. We found command data that gave a small shape error, and then tried to converge by the first correction method.
- FIG. 9 shows measurement data before and after filtering according to the present invention, (A) before filtering, and (B) after filtering.
- high-order frequency components such as fine signal waveforms Is removed and the true shape signal is extracted.
- FIG. 10 shows error data before and after shape correction according to the present invention, wherein (A) shows before correction and (B) shows after correction.
- Example 2
- FIGS. 11A and 11B show error data before and after the shape correction according to the present invention, wherein FIG. 11A shows the data before correction and FIG. 11B shows the data after correction.
- FIG. 11A shows the data before correction
- FIG. 11B shows the data after correction.
- the measurement data of the shape error before correction A
- the correction B
- the central depression is significantly reduced. This is considered that the shape control method according to the present invention worked effectively.
- the shape control method of the present invention and the NC processing apparatus according to this method can achieve a high precision dog shape with a small number of processing times, can extract a true shape signal from the measurement data, and can realize a work shape. By removing It has excellent effects such as avoiding misalignment, and is suitable for performing shape control in electrolytic dressing polishing.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Automatic Control Of Machine Tools (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Numerical Control (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/765,574 US5910040A (en) | 1995-08-15 | 1996-04-14 | Method of controlling shape and NC processing apparatus utilizing the method |
DE69624678T DE69624678T2 (de) | 1995-08-15 | 1996-08-14 | Formsteuerungsverfahren und numerisch gesteuerte maschine zur anwendung dieses verfahrens |
EP96926642A EP0790101B1 (en) | 1995-08-15 | 1996-08-14 | Shape control method and nc machine using the method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7/208068 | 1995-08-15 | ||
JP20806895A JP3287981B2 (ja) | 1995-08-15 | 1995-08-15 | 形状制御方法とこの方法によるnc加工装置 |
Publications (1)
Publication Number | Publication Date |
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WO1997006922A1 true WO1997006922A1 (fr) | 1997-02-27 |
Family
ID=16550121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1996/002294 WO1997006922A1 (fr) | 1995-08-15 | 1996-08-14 | Procede de controle des formes et machines a commande numerique fonctionnant selon ce procede |
Country Status (7)
Country | Link |
---|---|
US (1) | US5910040A (ja) |
EP (1) | EP0790101B1 (ja) |
JP (1) | JP3287981B2 (ja) |
KR (1) | KR100393740B1 (ja) |
DE (1) | DE69624678T2 (ja) |
TW (1) | TW312644B (ja) |
WO (1) | WO1997006922A1 (ja) |
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SG81297A1 (en) * | 1998-08-19 | 2001-06-19 | Riken | Micro-discharge truing device and fine machining method using the device |
CN106181741A (zh) * | 2016-07-13 | 2016-12-07 | 中国工程物理研究院机械制造工艺研究所 | 基于变去除函数的射流抛光面形误差控制方法 |
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JP3244454B2 (ja) * | 1997-06-05 | 2002-01-07 | 理化学研究所 | 切削研削両用工具 |
JP4104199B2 (ja) * | 1998-02-26 | 2008-06-18 | 独立行政法人理化学研究所 | 成形鏡面研削装置 |
JP3909619B2 (ja) * | 1998-05-19 | 2007-04-25 | 独立行政法人理化学研究所 | 磁気ディスク基板の鏡面加工装置及び方法 |
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US6293845B1 (en) * | 1999-09-04 | 2001-09-25 | Mitsubishi Materials Corporation | System and method for end-point detection in a multi-head CMP tool using real-time monitoring of motor current |
JP2001246539A (ja) * | 2000-03-03 | 2001-09-11 | Inst Of Physical & Chemical Res | 非軸対称非球面ミラーの研削加工方法 |
JP4558881B2 (ja) * | 2000-03-03 | 2010-10-06 | 独立行政法人理化学研究所 | マイクロv溝加工装置及び方法 |
US6443817B1 (en) * | 2001-02-06 | 2002-09-03 | Mccarter Technology, Inc. | Method of finishing a silicon part |
EP1459844B1 (en) * | 2001-12-26 | 2011-08-17 | Koyo Machine Industries Co., Ltd. | Truing method for grinding wheels and grinding machine |
WO2005083536A1 (de) | 2004-02-10 | 2005-09-09 | Carl Zeiss Smt Ag | Programmgesteuertes nc-datengenerierungsverfahren mit korrekturdaten |
JP4220944B2 (ja) | 2004-07-15 | 2009-02-04 | 三菱重工業株式会社 | 歯車研削盤 |
CN101248373B (zh) * | 2005-08-26 | 2010-11-03 | 松下电工株式会社 | 制造半导体光学透镜的方法 |
DE102005050205A1 (de) * | 2005-10-20 | 2007-04-26 | Mtu Aero Engines Gmbh | Verfahren und Vorrichtung zum Kompensieren von Lage-und Formabweichungen |
DE102005050209A1 (de) * | 2005-10-20 | 2007-04-26 | Ott, Reinhold, Waterloo | Vorrichtung zur Einspeisung eines Videosignals in eine Anzeigevorrichtung und Betriebsverfahren hierfür |
JP2007190638A (ja) * | 2006-01-18 | 2007-08-02 | Jtekt Corp | 内面研削盤 |
CN102922412B (zh) * | 2011-08-12 | 2015-04-29 | 中芯国际集成电路制造(上海)有限公司 | 研磨装置及研磨方法 |
JP6179109B2 (ja) * | 2013-01-30 | 2017-08-16 | 株式会社ジェイテクト | 測定方法および研削盤 |
CN103203688B (zh) * | 2013-03-12 | 2015-06-10 | 苏州科技学院 | 一种微尺度磨削在线电解修整装置及其方法 |
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JP3386548B2 (ja) * | 1994-01-31 | 2003-03-17 | トヨタ自動車株式会社 | フィードバック式加工条件補正装置 |
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- 1995-08-15 JP JP20806895A patent/JP3287981B2/ja not_active Expired - Lifetime
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1996
- 1996-04-14 US US08/765,574 patent/US5910040A/en not_active Expired - Lifetime
- 1996-08-14 EP EP96926642A patent/EP0790101B1/en not_active Expired - Lifetime
- 1996-08-14 KR KR1019960706915A patent/KR100393740B1/ko not_active IP Right Cessation
- 1996-08-14 WO PCT/JP1996/002294 patent/WO1997006922A1/ja active IP Right Grant
- 1996-08-14 DE DE69624678T patent/DE69624678T2/de not_active Expired - Lifetime
- 1996-09-12 TW TW085111144A patent/TW312644B/zh active
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JPH06344246A (ja) * | 1993-06-08 | 1994-12-20 | Nissan Motor Co Ltd | 切削工具の摩耗検出方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG81297A1 (en) * | 1998-08-19 | 2001-06-19 | Riken | Micro-discharge truing device and fine machining method using the device |
CN106181741A (zh) * | 2016-07-13 | 2016-12-07 | 中国工程物理研究院机械制造工艺研究所 | 基于变去除函数的射流抛光面形误差控制方法 |
CN106181741B (zh) * | 2016-07-13 | 2018-02-06 | 中国工程物理研究院机械制造工艺研究所 | 基于变去除函数的射流抛光面形误差控制方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0790101B1 (en) | 2002-11-06 |
DE69624678T2 (de) | 2003-03-20 |
US5910040A (en) | 1999-06-08 |
EP0790101A1 (en) | 1997-08-20 |
JP3287981B2 (ja) | 2002-06-04 |
JPH0957621A (ja) | 1997-03-04 |
DE69624678D1 (de) | 2002-12-12 |
TW312644B (ja) | 1997-08-11 |
KR100393740B1 (ko) | 2003-11-20 |
EP0790101A4 (en) | 1998-12-23 |
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