CN104722863A - Online monitoring method for electrolytic grinding process - Google Patents
Online monitoring method for electrolytic grinding process Download PDFInfo
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- CN104722863A CN104722863A CN201510129919.5A CN201510129919A CN104722863A CN 104722863 A CN104722863 A CN 104722863A CN 201510129919 A CN201510129919 A CN 201510129919A CN 104722863 A CN104722863 A CN 104722863A
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- Prior art keywords
- grinding process
- particle
- electrolytic grinding
- electrochemical grinding
- electrolyte
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- 238000000034 method Methods 0.000 title claims abstract description 86
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 37
- 239000003792 electrolyte Substances 0.000 claims abstract description 28
- 230000004927 fusion Effects 0.000 claims abstract description 5
- 238000013507 mapping Methods 0.000 claims abstract description 4
- 230000003595 spectral effect Effects 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 230000005518 electrochemistry Effects 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 230000003746 surface roughness Effects 0.000 claims description 4
- 238000004624 confocal microscopy Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 14
- 238000003754 machining Methods 0.000 description 18
- 238000012545 processing Methods 0.000 description 7
- 238000003487 electrochemical reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000006249 magnetic particle Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000010406 interfacial reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- 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
- G05B19/406—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 monitoring or safety
-
- 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
-
- 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
- G05B19/188—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 special applications and not provided for in the relevant subclasses, (e.g. making dies, filament winding)
Abstract
The invention discloses an online monitoring method for the electrolytic grinding process. The online monitoring method for the electrolytic grinding process comprises the steps that 1, electrolyte is obtained and diluted; 2, particles in the diluted electrolyte are analyzed; 3, particle features obtained through analysis are reasonably selected through a feature fusion technology, so that reasonable feature indexes are obtained for identifying the types of the particles; 4, based on fuzzy C-means and the support vector data description theory, an electrolytic grinding process evaluating model is established, and the electrolytic grinding process is monitored according to the mapping relationship between the types of the particles and the electrolytic grinding process. By the adoption of the online monitoring method for the electrolytic grinding process, the ratio parameter between the mechanical removal amount and the electrochemical removal amount in the electrolytic grinding process can be obtained, the purpose of monitoring the electrolytic grinding process on line can be achieved so that the electrolytic grinding process can be controlled on line, and therefore the online monitoring method for electrolytic grinding precision is effectively improved.
Description
Technical field
The present invention relates to a kind of monitoring method, more particularly, relate to a kind of electrochemical grinding process on-line monitoring method.
Background technology
Electrochemical grinding process technology is one of typical technology in electrolysis Combined Machining Technology.Electrolysis Combined Machining Technology is combined to meet different technology of processing needs at Electrolyzed Processing and other processing methods.Electrochemical grinding process technology is that electrolysis and mechanical grinding acting combination are got up to meet the higher technology of processing needs of machining accuracy, surface roughness and processing stability requirement.
Ratio between machinery removal amount and electrochemistry removal amount is a very important parameter in electrochemical grinding processing, but does not also have effective method to determine this parameter at present.In fact, in electrochemical grinding process, due to the comprehensive function of electrochemical reaction and mechanical grinding, following particle can be there is in electrolyte: the product (oxyhydroxide) of electrochemical reaction; The passivating film that grinding produces and the passivating film peeled off; The borings that grinding produces.These particles are important information carrier in electrochemical grinding process and the criterion of ratio between mechanical removal amount and electrochemistry removal amount, they contain the abundant information about Surface Machining interfacial reaction, wearing and tearing, system mode when its quantity, size, shape, color, pattern and architectural feature and particle produce and materials processing interfacial reaction and abrasive manner closely related.Therefore, carry out analyzing the on-line monitoring that can realize electrochemical grinding process to producing particle in electrochemical grinding process.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to overcome above-mentioned deficiency, provide a kind of electrochemical grinding process on-line monitoring method, adopt technical scheme of the present invention, easy to operate, the scale parameter between mechanical removal amount and electrochemistry removal amount in electrochemical grinding process can be got, the object to electrochemical grinding process on-line monitoring can be realized, to carry out On-line Control to electrochemical grinding process, and then effectively improve electrochemical grinding machining accuracy.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of electrochemical grinding process on-line monitoring method of the present invention, the steps include:
(1) collect the electrolyte of a certain amount of band particle and dilute;
(2) analyzed by the particle in the electrolyte that dilutes in step (1):
1) use CSI grain analyser to analyze the electrolyte containing particle, amounts of particles and Size Distribution situation can be drawn;
2) first use ferrous specturm technique to make iron spectral slice, the ferroscope re-used with image capturing system is analyzed and researched to iron spectral slice, can draw the features such as grain color, composition, form, size and type;
3) first use filter membrane spectral slice fabrication techniques filter membrane spectral slice, then with laser scanning confocal microscopy, filter membrane spectral slice is analyzed and researched, the features such as grain texture feature, fractal dimension and surface roughness can be drawn;
(3) utilize Feature Fusion reasonably to select the feature about particle analyzing gained in step (2), get rational characteristic index to identify that particle removed by grain type i.e. machinery and electrochemistry removes particle;
(4) based on the theory of fuzzy C-mean algorithm and Support Vector data description, set up electrochemical grinding process assessment models, according to the mapping relations of grain type and electrochemical grinding process, electrochemical grinding process is monitored.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of electrochemical grinding process on-line monitoring method of the present invention, the particle of its type by quantitative judge particle and electrochemical reaction and mechanical grinding generation, the scale parameter between mechanical removal amount and electrochemistry removal amount in electrochemical grinding process can be got, be convenient to electrochemical grinding process On-line Control, thus effectively improve electrochemical grinding machining accuracy;
(2) a kind of electrochemical grinding process on-line monitoring method of the present invention, it can analyze by filter membrane spectral slice technology the non-magnetic particle produced in electrochemical grinding process, compensate for ferrous specturm technique for the low deficiency of non-magnetic particle detectability, filter membrane spectral slice technology also contributes to the configuration of surface analyzing individual particle better simultaneously;
(3) a kind of electrochemical grinding process on-line monitoring method of the present invention, it gets the characteristic index for assessment of electrochemical grinding process by the method for Fusion Features, and by the theory based on fuzzy C-mean algorithm and Support Vector data description, set up electrochemical grinding process assessment models, can accurately and comprehensive reflection electrochemical grinding process, realize the object to the monitoring of electrochemical grinding process.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electrochemical grinding processing unit (plant) in embodiment.
Label declaration in schematic diagram: 1, electrochemical grinding machining tool; 2, workpiece; 3, work nest; 4, the pulse power; 5, controller; 6, electrolyte playpipe; 7, electrolyte filtering groove; 8, filter; 9, electrolyte feeder; 10, temperature controller; 11, pump; 12, flowmeter; 13, control valve.
Detailed description of the invention
For understanding content of the present invention further, the present invention is described in detail.
The method of a kind of electrochemical grinding process on-line monitoring of the present invention, the steps include:
(1) collect the electrolyte of a certain amount of band particle and dilute;
(2) analyzed by the particle in the electrolyte that dilutes in step (1):
1) use CSI grain analyser to analyze the electrolyte containing particle, amounts of particles and Size Distribution situation can be drawn;
2) first use ferrous specturm technique to make iron spectral slice, the ferroscope re-used with image capturing system is analyzed and researched to iron spectral slice, can draw the features such as grain color, composition, form, size and type;
3) filter membrane spectral slice fabrication techniques filter membrane spectral slice is first used, with laser scanning confocal microscopy, filter membrane spectral slice is analyzed and researched again, the features such as grain texture feature, fractal dimension and surface roughness can be drawn, the non-magnetic particle produced in electrochemical grinding process can be analyzed by filter membrane spectral slice technology, compensate for ferrous specturm technique for the low deficiency of non-magnetic particle detectability, filter membrane spectral slice technology also contributes to the configuration of surface analyzing individual particle better simultaneously;
(3) utilize Feature Fusion reasonably to select the feature about particle analyzing gained in step (2), get rational characteristic index to identify that particle removed by grain type i.e. machinery and electrochemistry removes particle;
(4) based on the theory of fuzzy C-mean algorithm and Support Vector data description, set up electrochemical grinding process assessment models, the mapping relations of foundation grain type and electrochemical grinding process, can accurately and comprehensive reflection electrochemical grinding process, electrochemical grinding process is monitored, thus realize the object of electrochemical grinding process On-line Control, and then effectively improve electrochemical grinding machining accuracy.
A kind of electrochemical grinding process on-line monitoring method of the present invention, by the type of quantitative judge particle and the particle of electrochemical reaction and mechanical grinding generation, the scale parameter between mechanical removal amount and electrochemistry removal amount in electrochemical grinding process can be got, be convenient to the object realizing electrochemical grinding process On-line Control, thus effectively improve electrochemical grinding machining accuracy.
Below in conjunction with embodiment, use of the present invention is further described.
As shown in Figure 1, a kind of electrochemical grinding processing unit (plant), comprise electrochemical grinding machining tool 1, workpiece 2, work nest 3, the pulse power 4, controller 5, electrolyte playpipe 6, electrolyte filtering groove 7, filter 8, electrolyte feeder 9, temperature controller 10, pump 11, flowmeter 12, control valve 13, controller 5 is connected with the pulse power 4; The negative pole of the pulse power 4 is connected with the conductive abrasive wheel on electrochemical grinding machining tool 1; The positive pole of the pulse power 4 is connected with workpiece 2, and this workpiece 2 is arranged in the work nest 3 on electrochemical grinding machining tool 1 by fixture; One of electrolyte playpipe 6 is rectified and is placed workpiece 2, and the other end of this electrolyte playpipe 6 is connected with the output of pump 11 after connection control valve 13, flowmeter 12 successively; The input of pump 11 is communicated with electrolyte feeder 9; Electrolyte feeder 9 is communicated with electrolyte filtering groove 7 by filter 8; Electrolyte filtering groove 7 is communicated with work nest 3; Temperature controller 10 is connected with electrolyte feeder 9; Structure is simple, easy for installation, under can be used for studying the parameters such as different machining voltage, flow velocity, process time and temperature in conjunction with method of the present invention, electrochemical grinding processes the feature producing particle, can also be used for studying the particle surface in electrochemical grinding process and the correlation between finished surface feature.
The operating process of this device is: 1, be arranged in work nest 3 by the workpiece 2 cleared up by fixture; 2, the workpiece 2 of the positive pole of the pulse power 4 is connected, and the negative pole of the pulse power 4 is connected with the conductive abrasive wheel on electrochemical grinding machining tool 1; 3, after tool setting, the machining gap between conductive abrasive wheel and workpiece 2 is ensured by adjustment conductive abrasive wheel; 4, set machined parameters and record each machined parameters value this moment: the parameters such as magnitude of voltage, current value, pulse frequency can be set by the pulse power 4; By adjustment controller 5, can be set process time, simultaneously the change of also observable voltage or current value; By adjustment control valve 13, different electrolyte injection flows can be set; The temperature of electrolyte can be set by adjustment temperature controller 10; 5, the switch opening electrochemical grinding machining tool 1, the pulse power 4, pump 11 and electrolyte playpipe 6 carries out machining experiment; 6, machining experiment terminates the above-mentioned method of rear use and monitors electrochemical grinding process.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and actual method is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the method similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (1)
1. an electrochemical grinding process on-line monitoring method, the steps include:
(1) collect the electrolyte of a certain amount of band particle and dilute;
(2) analyzed by the particle in the electrolyte that dilutes in step (1):
1) use CSI grain analyser to analyze the electrolyte containing particle, amounts of particles and Size Distribution situation can be drawn;
2) first use ferrous specturm technique to make iron spectral slice, the ferroscope re-used with image capturing system is analyzed and researched to iron spectral slice, can draw the features such as grain color, composition, form, size and type;
3) first use filter membrane spectral slice fabrication techniques filter membrane spectral slice, then with laser scanning confocal microscopy, filter membrane spectral slice is analyzed and researched, the features such as grain texture feature, fractal dimension and surface roughness can be drawn;
(3) utilize Feature Fusion reasonably to select the feature about particle analyzing gained in step (2), get rational characteristic index to identify that particle removed by grain type i.e. machinery and electrochemistry removes particle;
(4) based on the theory of fuzzy C-mean algorithm and Support Vector data description, set up electrochemical grinding process assessment models, according to the mapping relations of grain type and electrochemical grinding process, electrochemical grinding process is monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129919.5A CN104722863B (en) | 2015-03-24 | 2015-03-24 | A kind of electrochemical grinding course of processing on-line monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129919.5A CN104722863B (en) | 2015-03-24 | 2015-03-24 | A kind of electrochemical grinding course of processing on-line monitoring method |
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| Publication Number | Publication Date |
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| CN104722863A true CN104722863A (en) | 2015-06-24 |
| CN104722863B CN104722863B (en) | 2017-03-01 |
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| CN201510129919.5A Expired - Fee Related CN104722863B (en) | 2015-03-24 | 2015-03-24 | A kind of electrochemical grinding course of processing on-line monitoring method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI649551B (en) * | 2018-07-18 | 2019-02-01 | 國立勤益科技大學 | Method for estimating tool wear by applying chip color |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58137527A (en) * | 1982-02-12 | 1983-08-16 | Shindengen Electric Mfg Co Ltd | Surface finishing method by electrolytic compound processing |
| JPH11114820A (en) * | 1997-10-20 | 1999-04-27 | Ricoh Co Ltd | Electrolytic in-process dressing grinding method and device therefor |
| JP2006062072A (en) * | 2004-07-28 | 2006-03-09 | Misuzu Kogyo:Kk | Automatic polishing device for three-dimensional free curved surface with electrolytic abrasive grains |
| CN1996006A (en) * | 2006-12-08 | 2007-07-11 | 中国石油化工股份有限公司 | Analysis method for sticky matter in cutting fluid |
| CN101393108A (en) * | 2008-10-10 | 2009-03-25 | 南京航空航天大学 | Oil liquid abrasive grain on-line monitoring method and system |
| US20100178767A1 (en) * | 2007-05-24 | 2010-07-15 | Basf Se | Chemical-mechanical polishing composition comprising metal-organic framework materials |
| CN101979203A (en) * | 2010-09-16 | 2011-02-23 | 苏州电加工机床研究所有限公司 | Method for controlling quality of micro hole machined by electric spark on line |
| CN102621045A (en) * | 2012-04-06 | 2012-08-01 | 浙江工业大学 | Probability distribution test device for collision by abrasive particles in solid and liquid two-phase flow on wall surface at different positions |
-
2015
- 2015-03-24 CN CN201510129919.5A patent/CN104722863B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58137527A (en) * | 1982-02-12 | 1983-08-16 | Shindengen Electric Mfg Co Ltd | Surface finishing method by electrolytic compound processing |
| JPH11114820A (en) * | 1997-10-20 | 1999-04-27 | Ricoh Co Ltd | Electrolytic in-process dressing grinding method and device therefor |
| JP2006062072A (en) * | 2004-07-28 | 2006-03-09 | Misuzu Kogyo:Kk | Automatic polishing device for three-dimensional free curved surface with electrolytic abrasive grains |
| CN1996006A (en) * | 2006-12-08 | 2007-07-11 | 中国石油化工股份有限公司 | Analysis method for sticky matter in cutting fluid |
| US20100178767A1 (en) * | 2007-05-24 | 2010-07-15 | Basf Se | Chemical-mechanical polishing composition comprising metal-organic framework materials |
| CN101393108A (en) * | 2008-10-10 | 2009-03-25 | 南京航空航天大学 | Oil liquid abrasive grain on-line monitoring method and system |
| CN101979203A (en) * | 2010-09-16 | 2011-02-23 | 苏州电加工机床研究所有限公司 | Method for controlling quality of micro hole machined by electric spark on line |
| CN102621045A (en) * | 2012-04-06 | 2012-08-01 | 浙江工业大学 | Probability distribution test device for collision by abrasive particles in solid and liquid two-phase flow on wall surface at different positions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI649551B (en) * | 2018-07-18 | 2019-02-01 | 國立勤益科技大學 | Method for estimating tool wear by applying chip color |
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| CN104722863B (en) | 2017-03-01 |
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Effective date of registration: 20220110 Address after: 213031 NO.666, Liaohe Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Changzhou Changgong institute technology transfer Co.,Ltd. Address before: 213022 Wushan Road, Xinbei District, Changzhou, Jiangsu Province, No. 1 Patentee before: CHANGZHOU INSTITUTE OF TECHNOLOGY |
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