CN101224516A - Electrolysis processing method based on matrix grid type cathode and cathode system thereof - Google Patents
Electrolysis processing method based on matrix grid type cathode and cathode system thereof Download PDFInfo
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- CN101224516A CN101224516A CNA2007101338091A CN200710133809A CN101224516A CN 101224516 A CN101224516 A CN 101224516A CN A2007101338091 A CNA2007101338091 A CN A2007101338091A CN 200710133809 A CN200710133809 A CN 200710133809A CN 101224516 A CN101224516 A CN 101224516A
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- 238000005868 electrolysis reaction Methods 0.000 title abstract description 6
- 238000003672 processing method Methods 0.000 title abstract 2
- 238000012545 processing Methods 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 40
- 238000003754 machining Methods 0.000 claims description 13
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Abstract
The invention provides an electrolysis processing method based on a matrix gate-typed cathode and a cathode system thereof, relating to the electrolysis processing field. The cathode which is designed by the method consists of all matrix element cathode elements; the profile shapes of anodes can be processed according to the different currents and position arrangements of all the cathode units; the position of the matrix cathode unit and the magnitude of the processing current can be adjusted for different anode shapes, thus processing the anode workpiece with various shapes without the replacement of cathodes. The invention also discloses a corresponding cathode system. The invention can process the anode workpieces with various shapes by one cathode, thus creating a new pattern of the diversity of manufacturing objects.
Description
Technical field
The present invention relates to the Electrolyzed Processing field novel cathode head designing technique in the special process, in particular, is a kind of matrix grid type cathode electrochemical machining method and cathod system.
Background technology
Negative electrode is the instrument of Electrolyzed Processing, its structure, shape and precision have great influence to the crudy of part, it is the important prerequisite that guarantees part processing quality and machining accuracy, particularly for the complex-shaped and higher part of required precision, the negative electrode design has become a difficult problem in the Electrolyzed Processing application.The negative electrode design is the key issue that at first faces during electrochemical Machining Technology is used and must solve with control.
Traditional negative electrode design and control are the contour shapes of trying to achieve negative electrode according to the known geometry of part to be processed.More common negative electrode method for designing has cos θ method, tiltedly cathode method, relative displacement method, conductive paper simulation, Complex Function Method and iteration are tested revised law etc.These methods for designing have played good facilitation to the development of Electrolyzed Processing and the understanding of Electrolyzed Processing physical process, but there are some common issue with in these methods for designing:
1) target need constantly contrast correction, thereby has expended lot of manpower and material resources, and requires the operator to possess rich practice experience and very high technical merit;
2) production of negative electrode, manufacturing cycle are long, and manufacturing cost is high, particularly for complex-shaped and part that required precision is higher;
3) after the tool cathode manufacturing was finished, shape just immobilized, and promptly a kind of tool cathode can only be used for processing a kind of blade of shape, and processing object is single.
Summary of the invention
The objective of the invention is to, a kind of electrochemical machining method and cathod system based on matrix grid type cathode is provided, realize that a kind of negative electrode processes multiple difform anode workpiece, thereby create the diversified new frame of processing object.
A kind of electrochemical machining method based on matrix grid type cathode is characterized in that comprising following process:
(1), signal configuration/monitor supervision platform anode outline data that will need to process is processed into the anodic pulse burst that m * n matrix form distributes, and sends main pulse to clock, transmission anodic pulse burst is to modulator;
(2), clock receives the main pulse size that signal configuration/monitor supervision platform sends, and sends the processing main pulse;
(3), multichannel generator single channel main pulse that clock is sent is converted to m * n matrix form multichannel main pulse signal, sends to modulator then;
(4), the anodic pulse burst that sends according to signal configuration/monitor supervision platform of modulator, the multichannel main pulse that the multichannel generator is come carries out amplitude modulation, obtain and anodic pulse burst position, the corresponding processing of size sequences of pulsed signals, and this burst is sent to the matrix grid type cathode unit;
(5), the matrix grid type cathode unit electric current that sends the anodic pulse burst processes anode workpiece, when machining gap remains unchanged substantially, the force signal size of detection is also constant substantially, i.e. processing reaches balance, process finishing obtains the surface of processing parts;
(6), in the process, signal detector detects the size that modulator sends to the processing sequences of pulsed signals of negative electrode, prevents certain road signal shorts, opens circuit and cause the processing sintering, avoids the damage of cathode tool;
(7), the signal monitoring function of signal configuration/monitor supervision platform compares processing sequences of pulsed signals on the detected matrix grid type cathode and the initial anodic pulse burst that generates, if detect certain grid unit signal for empty, then control spindle motor of machine tool at once, feed-disabling prevents that short circuit from burning negative electrode.
A kind of matrix grid type cathode system is characterized in that: forms by signal configuration/monitor supervision platform (101), clock (102), multichannel generator (103), modulator (104), matrix grid type cathode (106), signal detector (107), wherein:
(1), the output of signal configuration/monitor supervision platform (101) is divided into two-way, the one tunnel is connected with clock (102), another road is connected with modulator;
(2), the output of clock (102) connects the input of multichannel generator (103);
(3), the output of multichannel generator (103) connects an input of modulator (104);
(4), another input of modulator (104) links to each other with another output of above-mentioned signal configuration/monitor supervision platform (101), the output of modulator (104) links to each other with matrix grid type cathode (106);
(5), the input of signal detector (107) links to each other with the output of modulator, the output of signal detector (107) links to each other with the input of signal configuration/monitor supervision platform (101).
Another kind of electrochemical machining method based on matrix grid type cathode is characterized in that comprising following process:
(1), utilize existing anode workpiece, arrange cathode electrode unit at correct position according to anode shape, form grid type cathode;
(2), matrix grid type cathode is imported the processing that processing electric current of the same size carries out similar copy type, obtain the anode profile.
The present invention proposes the brand-new design and control thought of matrix grid type cathode, this negative electrode is by the position and the processing electric current size of gating matrix gate type electrolysis cells, realize each cathode electrode unit physical form is not done under the situation of any adjustment, can process the workpiece of multiple shape, thereby change the single situation of conventional cathode processing object.
Compared with prior art, the present invention will shorten manufacturing cycle greatly, can satisfy the part processing of complex profile; Greatly reduce the demand of manpower and materials, also do not need the operator to have skilled negative electrode profile design experiences;
The design of matrix grid type cathode is a purpose with precision and the process automaticity that improves Electrolyzed Processing.Difficulty in having broken through present negative electrode design and having controlled, change Electrolyzed Processing precision and the general lower situation of automaticity, for China's advanced weapons equip in the manufacturing and the machinery manufacturing industry of vital part (as novel blade of aviation engine etc.) critical support technology and theoretical direction are provided.This invention has original creativity and wide future in engineering applications, and traditional electrolytic processing process has been widened research and application category.
Description of drawings
Fig. 1 is a two-way array gate type electrolysis cathode tool processes schematic diagram of the present invention;
Fig. 2 is a profile matrix grid type electrolysis cathode tool processes schematic diagram of the present invention;
Wherein label name is called: 101-signal configuration/monitor supervision platform, 102-clock, 103-multichannel generator, the 104-modulator, 105-lead, 106-matrix grid type cathode, the 107-signal detector, 108-anode profile pulse train, 109-pulse match anode outline line.
The specific embodiment
Describe below in conjunction with the design of accompanying drawing a kind of matrix grid type electrolytic cathode assembly of the present invention.
As shown in Figure 1, matrix grid type electrolytic cathode assembly of the present invention comprises:
Signal configuration/monitor supervision platform 101, the signal configuration function is processed into the anodic pulse burst that matrix form distributes to the anode profile of needs processing, sends main pulse to clock, sends the anodic pulse burst to modulator.Signal monitoring function compares each matrix grid cell signal that signal detector sends over the initial anodic pulse burst that generates, if detect certain grid unit signal for empty, then control lathe axis feeding motor at once, feed-disabling prevents that short circuit from burning negative electrode;
Clock 102 receives the main pulse size that signal configuration/monitor supervision platform sends, and sends the processing main pulse;
Multichannel generator 103, the single channel main pulse that clock is sent is converted to the pulse signal of m * n matrix grid number of unit unanimity;
Modulator 104, according to the anodic pulse burst size that signal configuration/monitor supervision platform sends, the main pulse that the multichannel generator is come carries out amplitude modulation, obtains and the equal-sized processing pulse signal of anodic pulse burst;
Lead 105 connects modulator and matrix grid type cathode unit, the pulse current of carrying anodic pulse burst;
Matrix grid type cathode 106, the pulse unit according to matrix-style is arranged adds and corrodes anode by the pulse current that sends the anodic pulse sequence signal man-hour, reach the processing balance after, the shape that the anodic pulse sequence signal simulates is exactly an anode surface to be processed; Under the situation of existing anode workpiece, reach balance time in order to shorten processing, can earlier the cathode grid pole unit be arranged according to anode shape by the mode of copy protection, as shown in Figure 2, and then process.
Signal detector 107, the size of sequences of pulsed signals prevents certain road signal shorts, opens circuit and cause the processing sintering in the detection process, avoids the damage of cathode taps;
Anode profile pulse train 108, the processing sequences of pulsed signals that matrix grid type cathode produces.
Pulse match anode outline line 109, the anode outline line shape that obtains after the processing.
As shown in Figure 1, in the electrochemical machining process, the design performing step of matrix grid type electrolytic cathode assembly is as follows:
Step 1: signal configuration/monitor supervision platform 101 is processed into the anode profile pulse train 108 that matrix form distributes to the anode profile of needs processing, and the anode of determining certain material of processing needs the size of initial main pulse, send main pulse to clock 102, send anode profile pulse train 108 to modulator 104;
Step 2: clock 102 receives the main pulse size that signal configuration/monitor supervision platform 101 sends, and produces and send the processing main pulse;
Step 3: the single channel main pulse that multichannel generator 103 is sent clock 102 is converted to the pulse signal of m * n matrix grid number of unit unanimity, sends multichannel main pulse signal then to modulator 104;
Step 4: anode profile pulse train 108 sizes that modulator 104 sends according to signal configuration/monitor supervision platform 101, the main pulse signal that multichannel generator 103 is come carries out amplitude modulation, obtain and anode profile pulse train 108 equal-sized processing pulse signals, and this signal is sent to matrix grid type cathode 106;
Step 5: the pulse current that matrix grid type cathode 106 sends anode profile pulse signal 108 corrodes anode, reach processing balance after, the shape that anode profile pulse train 108 simulates is exactly an anode surface to be processed; Under the situation of existing anode workpiece, by the mode of copy protection, earlier the cathode grid pole unit to be arranged according to anode shape, matrix grid type cathode 106 by importing the processing that processing electric current of the same size carries out similar copy type, obtains the anode profile then.
Step 6: signal detector 107 detects the size of each the unit sequences of pulsed signals that sends to matrix grid type cathode 106, and testing result is sent to signal configuration/monitor supervision platform 101;
Step 7: signal configuration/monitor supervision platform 101 receives each unit sequences of pulsed signals that signal detector 107 sends, itself and anode profile pulse train 108 are compared, if find the signal that detector 107 sends exceptional value is arranged, judgement open circuit or short circuit after, take immediate measure, control lathe motion of main shaft prevents to process short circuit, burns negative electrode.
As shown in Figure 2, in the electrochemical machining process, the design performing step of matrix grid type electrolytic cathode assembly is as follows:
Step 1: on the basis of existing anode profile, adjust the position of matrix grid type cathode 106, make the counter profile of copying anode of its appearance profile arrange grid unit.
Step 2: signal configuration/monitor supervision platform 101 is processed into the main pulse that matrix form distributes to the anode profile of needs processing, and the anode of determining certain material of processing needs the size of initial main pulse, send main pulse to clock 102, send the main pulse equivalent signal to modulator 104;
Step 2: clock 102 receives the main pulse size that signal configuration/monitor supervision platform 101 sends, and produces and send the processing main pulse;
Step 3: the single channel main pulse that multichannel generator 103 is sent clock 102 is converted to the pulse signal of m * n matrix grid number of unit unanimity, sends multichannel main pulse signal then to modulator 104;
Step 4: the main pulse signal magnitude that modulator 104 sends according to signal configuration/monitor supervision platform 101, judging does not need amplitude modulation, directly the multichannel main pulse is sent to matrix grid type cathode 106;
Step 5: matrix grid type cathode 106 sends pulse current and corrodes anode, reach the processing balance after, can be by obtaining anode workpiece according to the processing of the grid unit formula cathode tool of anode profile combination.
Step 6: signal detector 107 detects the size of each the unit pulse signal that sends to matrix grid type cathode 106, and testing result is sent to signal configuration/monitor supervision platform 101;
Step 7: signal configuration/monitor supervision platform 101 receives each unit pulse signal that signal detector 107 sends, itself and initial main pulse are compared, if find the signal that detector 107 sends exceptional value is arranged, judgement open circuit or short circuit after, take immediate measure, control lathe motion of main shaft prevents to process short circuit, burns negative electrode.
Claims (3)
1. electrochemical machining method based on matrix grid type cathode is characterized in that comprising following process:
(1), signal configuration/monitor supervision platform anode outline data that will need to process is processed into the anodic pulse burst that m * n matrix form distributes, and sends main pulse to clock, transmission anodic pulse burst is to modulator;
(2), clock receives the main pulse size that signal configuration/monitor supervision platform sends, and sends the processing main pulse;
(3), multichannel generator single channel main pulse that clock is sent is converted to m * n matrix form multichannel main pulse signal, sends to modulator then;
(4), the anodic pulse burst that sends according to signal configuration/monitor supervision platform of modulator, the multichannel main pulse that the multichannel generator is come carries out amplitude modulation, obtain and anodic pulse burst position, the corresponding processing of size sequences of pulsed signals, and this burst is sent to the matrix grid type cathode unit;
(5), the matrix grid type cathode unit electric current that sends the anodic pulse burst processes anode workpiece, when machining gap remains unchanged substantially, the force signal size of detection is also constant substantially, i.e. processing reaches balance, process finishing obtains the surface of processing parts;
(6), in the process, signal detector detects the size that modulator sends to the processing sequences of pulsed signals of negative electrode, prevents certain road signal shorts, opens circuit and cause the processing sintering, avoids the damage of cathode tool;
(7), the signal monitoring function of signal configuration/monitor supervision platform compares processing sequences of pulsed signals on the detected matrix grid type cathode and the initial anodic pulse burst that generates, if detect certain grid unit signal for empty, then control spindle motor of machine tool at once, feed-disabling prevents that short circuit from burning negative electrode.
2. electrochemical machining method based on matrix grid type cathode is characterized in that comprising following process:
(1), utilize existing anode workpiece, arrange cathode electrode unit at correct position according to anode shape, form grid type cathode;
(2), matrix grid type cathode is imported the processing that processing electric current of the same size carries out similar copy type, obtain the anode profile.
3. matrix grid type cathode system is characterized in that: forms by signal configuration/monitor supervision platform (101), clock (102), multichannel generator (103), modulator (104), matrix grid type cathode (106), signal detector (107), wherein:
(1), the output of signal configuration/monitor supervision platform (101) is divided into two-way, the one tunnel is connected with clock (102), another road is connected with modulator;
(2), the output of clock (102) connects the input of multichannel generator (103);
(3), the output of multichannel generator (103) connects an input of modulator (104);
(4), another input of modulator (104) links to each other with another output of above-mentioned signal configuration/monitor supervision platform (101), the output of modulator (104) links to each other with matrix grid type cathode (106);
(5), the input of signal detector (107) links to each other with the output of modulator, the output of signal detector (107) links to each other with the input of signal configuration/monitor supervision platform (101).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104947172A (en) * | 2014-03-28 | 2015-09-30 | 通用电气公司 | Electroplating tool and use method thereof |
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| CN101502899B (en) * | 2007-10-09 | 2011-11-16 | 南京航空航天大学 | Electrolytic machining method based on matrix grid type adjustable cathode and cathode system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104947172A (en) * | 2014-03-28 | 2015-09-30 | 通用电气公司 | Electroplating tool and use method thereof |
| CN104947172B (en) * | 2014-03-28 | 2018-05-29 | 通用电气公司 | Plating tool and the method using the plating tool |
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