CN103203688A - Micro-scale grinding online electrolytic dressing device and method thereof - Google Patents
Micro-scale grinding online electrolytic dressing device and method thereof Download PDFInfo
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- CN103203688A CN103203688A CN2013100766016A CN201310076601A CN103203688A CN 103203688 A CN103203688 A CN 103203688A CN 2013100766016 A CN2013100766016 A CN 2013100766016A CN 201310076601 A CN201310076601 A CN 201310076601A CN 103203688 A CN103203688 A CN 103203688A
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Abstract
The invention discloses a micro-scale grinding online electrolytic dressing device which comprises a pulse power supply, a laser micrometer dial, a grinding wheel, a computer, a numerical control system, a three-dimensional numerical control platform and a rotating electrode. The laser micrometer dial in the electrolytic dressing device measures the rotation accuracy of the grinding wheel in an online manner and transmits the measured rotation accuracy of the grinding wheel to the computer, the rotation accuracy of the grinding wheel is processed and analyzed by the computer to obtain a rotation error of the grinding wheel, the rotation error is transmitted into the numerical control system to perform interpolation operation, an interpolation operation result is used for controlling the three-dimensional numerical control platform to drive the rotating electrode to move in an interpolating manner along an axial profile of the grinding wheel, the grinding wheel vertically and slowly feeds downwards, so that pulse sparks are continuously generated between the rotating electrode and metal bond of the grinding wheel, and the grinding wheel is dressed by discharging. The micro-scale grinding online electrolytic dressing device can automatically adjust the position of the rotating electrode to realize micro-scale online electrolytic dressing, and has the advantages of high efficiency, automation, simplicity and convenience in operation and the like.
Description
Technical field
The present invention relates to the crushing technical applications of minute yardstick grinding, refer in particular to and be applicable to a kind of online electrolytic dressing devices and methods therefor of minute yardstick grinding that adopts the skive of minute yardstick grinding metallic bond.
Background technology
Along with progress of science and technology, the high accuracy of hard brittle materials such as various engineering ceramics, quartz, glass, the minute yardstick product (comprises Aero-Space, national defence, biology, MEMS etc.) in many fields that increasing demand is arranged.This slightly product mainly refer to minute sized part and possess the product of small size characteristic, comprise various small drivers, sensor, biologic medical equipment, semiconductor chip etc.These products have become the core component of its application, are bringing into play enormous function.
The processing of hard brittle material is more much more difficult than general material, and grinding conduct manufacturing process the most efficiently is widely used in the processing of hard crisp ceramic material.At present, use that little method for grinding obtains the little part feature of high accuracy and surface quality has obtained many achievements.Morgan etc. carry out little grinding to carbide alloy, and obtain the piece surface of Ra=5.1nm, prove that little method for grinding has significant effect for the little part of raising especially crisp and hard material.The minute yardstick method for grinding mainly refers to use diameter less than the miniature frotton of 1mm material directly to be carried out machinery removal processing and forms required pattern, is at present as the little part and the high accuracy of micro-structured component and the important implementation method of great surface quality that realize hard brittle material.In the minute yardstick grinding process, the surface microfeatures shape of micro-structural is the geometric shape size of restriction skive seriously, therefore emery wheel has small contour structure usually, cause emery wheel in grinding process, to be easy to wear and tear, the finishing of emery wheel seems very important like this, and in the prior art, the precise dressing emery wheel needs manually to pull down emery wheel at grinding machine, repair in other places, install grinding machine after having rebuild again, this method is bothersome requires great effort again, is difficult to be used in the precise dressing of hard brittle material grinding skive.
Summary of the invention
Goal of the invention: the objective of the invention is in order to solve the deficiencies in the prior art, but provide a kind of one-time positioning to realize the two-sided processing of workpiece, and exempt the double end copy milling of upset workpiece step.
Technical scheme: in order to realize above purpose, the online electrolytic dressing device of a kind of minute yardstick grinding of the present invention comprises: the pulse power, laser micrometer, emery wheel, computer, digital control system, three-dimension numerical controlled platform and rotation electrode; Described pulse power negative pole connects laser micrometer, the described rotation electrode of anodal connection; Described laser micrometer is positioned at the emery wheel top; Described laser micrometer is connected with computer, and computer is connected with digital control system, and digital control system is connected with three-dimension numerical controlled platform, and three-dimension numerical controlled platform is connected with rotation electrode.
Three-dimension numerical controlled platform described in the present invention is provided with the grating that precision is 1um, adopts grating to improve the precision of three-dimension numerical controlled platform.
Rotation electrode described in the present invention preferably adopts red copper to make.
Emery wheel described in the present invention is skive.
The invention also discloses the online electrolytic dressing method of a kind of minute yardstick grinding, the concrete steps of this method are as follows: adopt the online electrolytic dressing device of above-mentioned minute yardstick grinding, the rotating accuracy of the described laser micrometer on-line measurement emery wheel in this device, and the rotating accuracy of the emery wheel measured is passed to computer, computer is handled and is analyzed the rotating accuracy of emery wheel, draw the turn error of emery wheel, then turn error is sent into digital control system and carried out interpolation operation, control three-dimension numerical controlled platform driven rotary electrode by the result of interpolation operation and do moving interpolation along the axial profile of emery wheel, emery wheel slowly feeds vertically downward simultaneously, constantly make to produce the Pulse Electric spark between the metallic bond of rotation electrode and emery wheel, come trimming wheel by discharge.The method of the invention is in dressing process, gap between wheel face and rotation electrode constantly changes with the rotation of emery wheel, and the pulsed discharge spark is only understood minimum place, the gap bond of ablation emery wheel and electrode, therefore along with processing continue carry out, the off-centre that emery wheel is installed and wearing and tearing produce and beat and constantly to reduce, finally reach the purpose of the accurate correction of the flank shape of emery wheel and dressing, and by changing digital controlled tracing, just can realize the finishing of difformity emery wheel.
Beneficial effect: the present invention compared with prior art has the following advantages:
1, the present invention utilizes electrolysis tech, has realized finishing to emery wheel from minute yardstick, overcomes the deficiency on the precise dressing difficulty that conventional method is difficult to be used in the hard brittle material abrasive grinding wheel, particularly for skive.
2, utilize the three-dimension numerical controlled platform of computer-controlled precision among the present invention, can easily and accurately rotation electrode be moved to the needed position of crushing, simple, accurately, quick.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Embodiment
The online electrolytic dressing device of a kind of minute yardstick grinding as shown in Figure 1 comprises: the pulse power 1, laser micrometer 2, emery wheel 3, computer 4, digital control system 5, three-dimension numerical controlled platform 6 and rotation electrode 7.
The annexation of above-mentioned each parts is as follows: the described pulse power 1 negative pole connects laser micrometer 2, the described rotation electrode 7 of anodal connection; Described laser micrometer 2 is positioned at emery wheel 3 tops; Described laser micrometer 2 is connected with computer 4, and computer 4 is connected with digital control system 5, and digital control system 5 is connected with three-dimension numerical controlled platform 6, and three-dimension numerical controlled platform 6 is connected with rotation electrode 7.
Adopt the process of trimming wheel of the online electrolytic dressing device of described minute yardstick grinding as follows: the described laser micrometer 2 in this device is the rotating accuracy of on-line measurement emery wheel 3 at first, and the rotating accuracy of the emery wheel measured is passed to computer 4, the rotating accuracy of 4 pairs of emery wheels of computer is handled and is analyzed, draw the turn error of emery wheel 3, then turn error is sent into digital control system 5 and carried out interpolation operation, control three-dimension numerical controlled platform 6 driven rotary electrodes 7 by the result of interpolation operation and do moving interpolation along the axial profile of emery wheel 3, emery wheel 3 slowly feeds vertically downward simultaneously, constantly make to produce the Pulse Electric spark between the metallic bond of rotation electrode 7 and emery wheel 3, come trimming wheel by discharge.
Claims (5)
1. the online electrolytic dressing device of minute yardstick grinding is characterized in that, comprising: the pulse power (1), laser micrometer (2), emery wheel (3), computer (4), digital control system (5), three-dimension numerical controlled platform (6) and rotation electrode (7); The described pulse power (1) negative pole connects laser micrometer (2), the anodal described rotation electrode (7) that connects; Described laser micrometer (2) is positioned at emery wheel (3) top; Described laser micrometer (2) is connected with computer (4), and computer (4) is connected with digital control system (5), and digital control system (5) is connected with three-dimension numerical controlled platform (6), and three-dimension numerical controlled platform (6) is connected with rotation electrode (7).
2. the online electrolytic dressing device of minute yardstick grinding according to claim 1 is characterized in that, described three-dimension numerical controlled platform (6) is provided with the grating that precision is 1um.
3. the online electrolytic dressing device of minute yardstick grinding according to claim 1 is characterized in that, described rotation electrode (7) adopts red copper to make.
4. the online electrolytic dressing device of minute yardstick grinding according to claim 1 is characterized in that, described emery wheel (3) adopts skive.
5. online electrolytic dressing method of minute yardstick grinding, it is characterized in that, the concrete steps of this method are as follows: adopt the online electrolytic dressing device of the described minute yardstick grinding of claim 1, the rotating accuracy of described laser micrometer (2) the on-line measurement emery wheel (3) in this device, and the rotating accuracy of the emery wheel measured is passed to computer (4), computer (4) is handled and is analyzed the rotating accuracy of emery wheel, draw the turn error of emery wheel (3), then turn error is sent into digital control system (5) and carried out interpolation operation, control three-dimension numerical controlled platform (6) driven rotary electrode (7) by the result of interpolation operation and do moving interpolation along the axial profile of emery wheel (3), emery wheel (3) slowly feeds vertically downward simultaneously, constantly make to produce the Pulse Electric spark between the metallic bond of rotation electrode (7) and emery wheel (3), come trimming wheel by discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310076601.6A CN103203688B (en) | 2013-03-12 | 2013-03-12 | Micro-scale grinding online electrolytic dressing device and method thereof |
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| CN201310076601.6A CN103203688B (en) | 2013-03-12 | 2013-03-12 | Micro-scale grinding online electrolytic dressing device and method thereof |
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| CN103203688A true CN103203688A (en) | 2013-07-17 |
| CN103203688B CN103203688B (en) | 2015-06-10 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624684A (en) * | 2013-12-05 | 2014-03-12 | 湖南大学 | Electrospark trimming device for metal binding agent superabrasive formed grinding wheel for sawtooth processing |
| CN103802026A (en) * | 2014-03-12 | 2014-05-21 | 哈尔滨工业大学 | In-place discharge precise dressing unit for formed metal-based diamond grinding wheel |
| CN104742002A (en) * | 2015-03-19 | 2015-07-01 | 华南理工大学 | Intelligent grinding device for short chip removing and cooling by means of pulse electric smelting |
| CN107030343A (en) * | 2017-06-09 | 2017-08-11 | 常州工学院 | Bulb composite cathode restoring on line device and its application method |
| CN108145265A (en) * | 2018-01-30 | 2018-06-12 | 深圳大学 | The processing method and device of a kind of miniature bistrique for micro array structure processing |
| CN108161148A (en) * | 2018-01-30 | 2018-06-15 | 深圳大学 | The electric discharge finishing apparatus in place and method of a kind of milling head |
| CN108818310A (en) * | 2018-06-22 | 2018-11-16 | 华南理工大学 | A kind of online accurate control method of minute yardstick abrasive grain equating parameter |
| CN108838889A (en) * | 2018-06-25 | 2018-11-20 | 广东工贸职业技术学院 | A kind of crisp Free Surface Grinding device and method for grinding firmly |
| CN113021190A (en) * | 2021-03-15 | 2021-06-25 | 哈尔滨理工大学 | Arc-shaped grinding wheel electric spark dressing device for metal binder |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624684A (en) * | 2013-12-05 | 2014-03-12 | 湖南大学 | Electrospark trimming device for metal binding agent superabrasive formed grinding wheel for sawtooth processing |
| CN103802026A (en) * | 2014-03-12 | 2014-05-21 | 哈尔滨工业大学 | In-place discharge precise dressing unit for formed metal-based diamond grinding wheel |
| CN104742002A (en) * | 2015-03-19 | 2015-07-01 | 华南理工大学 | Intelligent grinding device for short chip removing and cooling by means of pulse electric smelting |
| CN107030343A (en) * | 2017-06-09 | 2017-08-11 | 常州工学院 | Bulb composite cathode restoring on line device and its application method |
| CN108145265A (en) * | 2018-01-30 | 2018-06-12 | 深圳大学 | The processing method and device of a kind of miniature bistrique for micro array structure processing |
| CN108161148A (en) * | 2018-01-30 | 2018-06-15 | 深圳大学 | The electric discharge finishing apparatus in place and method of a kind of milling head |
| CN108145265B (en) * | 2018-01-30 | 2024-04-23 | 深圳大学 | Processing method and device for micro grinding head for microarray structure processing |
| CN108161148B (en) * | 2018-01-30 | 2024-06-14 | 深圳大学 | In-situ discharge trimming device and method for milling grinding head |
| CN108818310A (en) * | 2018-06-22 | 2018-11-16 | 华南理工大学 | A kind of online accurate control method of minute yardstick abrasive grain equating parameter |
| CN108818310B (en) * | 2018-06-22 | 2020-05-22 | 华南理工大学 | Online accurate control method for micro-scale abrasive particle leveling parameters |
| CN108838889A (en) * | 2018-06-25 | 2018-11-20 | 广东工贸职业技术学院 | A kind of crisp Free Surface Grinding device and method for grinding firmly |
| CN113021190A (en) * | 2021-03-15 | 2021-06-25 | 哈尔滨理工大学 | Arc-shaped grinding wheel electric spark dressing device for metal binder |
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| CN103203688B (en) | 2015-06-10 |
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