CN106881508B - A kind of double hyer insulation plate surface texture electrolytic tool cathode and preparation method thereof - Google Patents
A kind of double hyer insulation plate surface texture electrolytic tool cathode and preparation method thereof Download PDFInfo
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- CN106881508B CN106881508B CN201710255346.XA CN201710255346A CN106881508B CN 106881508 B CN106881508 B CN 106881508B CN 201710255346 A CN201710255346 A CN 201710255346A CN 106881508 B CN106881508 B CN 106881508B
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- 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
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
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Abstract
The invention discloses a kind of double hyer insulation plate surface texture electrolytic tool cathodes and preparation method thereof, belong to Electrolyzed Processing field.Electrolytic tool cathode of the invention, including metal plate and insulating layer, two cavitys up and down are offered on the thickness direction of metal plate, metal plate is set to form " day " character form structure with parallel top plate, intermediate plate and lower plywood, the hole for Electrolyzed Processing micro-pit array is offered on top plate and lower plywood respectively, insulating layer is respectively arranged on the interior outer surface of top plate and lower plywood.The present invention utilizes and opens up hole on the metal plate top plate and lower plywood of " day " character form structure, and it insulate to top plate and lower plywood, Electrolyzed Processing micro-pit array is carried out to the workpiece become placed against on top plate and lower plywood using conductive intermediate plate, two workpiece of disposable texture, texture are high-efficient；And the preparation method of tool cathode is simple and convenient, and processing cost is low, and the tool cathode precision processed is high, and Surface Texture precision is high.
Description
Technical field
The present invention relates to a kind of electrolysis cathodes and preparation method thereof, more specifically to a kind of double hyer insulation plate surface
Texture electrolytic tool cathode and preparation method thereof.
Background technique
The surface abrasion of machine components is one of the principal mode of machine components failure, not only wastes mass energy and money
Source, and lead to the frequent replacement and repair of components, scrapping for equipment is accelerated, a large amount of economy indirectly and directly is caused
Loss, greatly affected the development of national economy.Loss caused by fretting wear is huge, therefore, reduces useless rub
It wears consumption, control and reduces abrasion, maintenance of equipment number and expense can be reduced by improving greasy property, can be energy saving and be improved
The utilization rate of resource.Reduce abrasion, reducing friction is also that engineering circles are devoted for years to one of the important technical challenge solved in needs.
Improve the frictional behaviour of mechanical system to the bearing capacity and service life important role for improving machine.Engineering
Practice have shown that the chemical component and reduction lubricating oil viscosity by changing lubricating oil can reduce sulphur in lubricating oil, phosphorus content,
Reduce environmental pollution；Another reasonable method is to show to finish to friction subtask, such as show polishing, grinding,
To achieve the purpose that reduce the frictional dissipation between friction pair, but influenced by material properties and machining accuracy, roughness
Raising has had reached Limiting Level.The progress of surface engineering technology provides more for the tribology behavior of preferably control material
Kind of effective solution method, wherein Surface Texture technology improves friction pair bearing capacity as fine surfaces engineering and wear-resistant subtracts
The aspect of performance that rubs has apparent improvement.A large amount of theoretical research and engineering practice discovery, reasonable Surface Texture can
Hydrodynamic is generated, lubricating oil is stored, lubrication is provided, abrasive dust is accommodated and reduces superficial attractive forces for surface and other effects.Also,
With deepening continuously for Recent study, researcher has built consensus: the unevenness array of surface of friction pair has pole
Good antiwear and friction reduction property.
For this purpose, those skilled in the art propose the processing method of many unevenness arrays, such as machining, laser add
Work, electrical discharge machining, the processing of electrochemistry jet stream, Photographic ECM etc..But the above method cuts sheet of material group in difficult processing
When pore structure, all there are some deficiencies for itself being difficult to overcome.Collapsible form electrochemical Machining Technology is based on the basic of electrochemistry
A kind of electrochemical machining method that principle, i.e. anodic electrochemical dissolution are theoretical and are derived, using collapsible form Electrolyzed Processing skill
It is to be close to a layer mask plate on the surface of workpiece that art, which carries out processing, and the hole in suitable aperture, mask plate and workpiece are drilled on mask plate
After being adjacent to, the exposed surface with certain pore size is formed on workpiece, Electrolyzed Processing is then carried out, makes electric current collection using cathode template
In in region to be processed carry out small hole machined, non-processing region due to cathode template masking, electroless liquid penetrate into without
Electrochemical reaction, the subparticipation that do not protected by mask, which is reacted, obtains required aperture by ablation.
In order to improve the processing efficiency of workpiece unevenness array, China Patent No. ZL201310640987.9, authorization public affairs
Announcement day is on November 23rd, 2016, invention and created name are as follows: serpentine flow path collapsible form group hole electrolytic machining device and processing side
Method, this application are related to a kind of serpentine flow path collapsible form group hole electrolytic machining device and processing method, are distinguished using two templates
It is tightly attached to the two sides of workpiece, two cathodes are placed in the two sides of workpiece, to realize the two-sided processing of workpiece, improve processing efficiency.
But this processing is substantially still the simple composite of two single-sided process, needs two groups of electrolysis cathodes, it is small to be only applicable to thin plate
The deficiencies of hole type parts are processed, and relatively slow there are the Electrolyzed Processing product velocity of discharge needs to carry out flow passage structure excellent
Change design to guarantee processing quality.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome existing two-sided Surface Texture Electrolyzed Processing above shortcomings, provide a kind of double
Layer insulation board Surface Texture electrolytic tool cathode and preparation method thereof, using technical solution of the present invention, using in " day " font
Hole is opened up on the metal plate top plate and lower plywood of structure, and is insulated to top plate and lower plywood, and conductive centre is utilized
Plate carries out Electrolyzed Processing micro-pit array to the workpiece become placed against on top plate and lower plywood, and two workpiece of disposable texture are knitted
Structure is high-efficient；And the preparation method of tool cathode is simple and convenient, and processing cost is low, and the tool cathode precision processed is high, table
Plane texture precision is high.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of double hyer insulation plate surface texture electrolytic tool cathode of the invention, including metal plate and insulating layer, it is described
Offered on the thickness direction of metal plate up and down two cavitys, make metal plate formed have parallel top plate, intermediate plate and
" day " character form structure of lower plywood is offered respectively for Electrolyzed Processing micro-pit array on the top plate and lower plywood
Hole, the insulating layer are respectively arranged on the interior outer surface of top plate and lower plywood.
Further, the metal plate is magnesium alloy or Al-alloy metal thin plate.
Further, the hole is array arrangement, the consistent circular hole of size at a certain distance.
Further, the thickness of cavity described in upper and lower two is equal.
A kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode of the invention, comprising the following steps:
(a), it is cut into equidistant cavity up and down on a metal plate using slow wire feeding cutting off machine, metal plate is made to form tool
There is " day " character form structure of parallel top plate, intermediate plate and lower plywood；
(b), top plate and lower plywood are processed for being electrolysed micro-pit array using spark technology on numerically-controlled machine tool
Hole；
(c), the upper and lower surface of intermediate plate is protected, and using micro-arc oxidation process in top plate and lower plywood
Outer surface insulate.
Further, of length no more than 500mm of the metal plate, width are no more than 500mm, and thickness is no more than
3mm, and the upper and lower surface parallelism error of metal plate is no more than 0.01mm.
Further, in step (a) when processing upper and lower cavities, cutting current is no more than 1A, top plate and lower plywood
Thickness be no more than 0.5mm, the thickness of cavity is also no more than 0.5mm, and the upper and lower surface parallelism error of intermediate plate is no more than
0.01mm。
Further, in step (b) when processing hole, array hole, single electricity are processed using array electrospark electrode
The diameter of spark point is no more than 200 μm, and the spacing of two neighboring electrospark electrode is no more than 500 μm.
Further, in step (c), differential arc oxidation voltage is no more than 500V, and the differential arc oxidation time is no more than 50s.
It further, further include preceding cleaning step before step (a), specifically, the metal plate 1 after processing is put
Enter in ultrasonic cleaning apparatus and be added water base property solvent cleaning at least 30min, takes out drying；After step (a), further include
Intermediate cleaning step, specifically, the metal plate after processing is put into ultrasonic cleaning apparatus and water base property solvent cleaning is added
At least 60min takes out drying；It further include rear cleaning step after step (c), specifically, by the electrolytic tool prepared yin
Pole is put into ultrasonic cleaning apparatus and is added water base property solvent cleaning at least 30min, and it is stand-by to take out drying.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) a kind of double hyer insulation plate surface texture electrolytic tool cathode of the invention is opened on the thickness direction of metal plate
Equipped with upper and lower two cavitys, metal plate is made to form " day " character form structure with parallel top plate, intermediate plate and lower plywood,
The hole for Electrolyzed Processing micro-pit array is offered on top plate and lower plywood respectively, insulating layer is respectively arranged on top plate and lower layer
On the interior outer surface of plate；Hole is opened up using on the metal plate top plate and lower plywood of " day " character form structure, and to top plate
It insulate with lower plywood, Electrolyzed Processing is carried out to the workpiece become placed against on top plate and lower plywood using conductive intermediate plate
Micro-pit array, two workpiece of disposable texture, texture is high-efficient, and electrolyte flows in the cavity, is easy to electrolysate
Quickly discharge, Surface Texture is high-quality and stablizes, and uses two-sided electrolytic surface texture, strong applicability；
(2) a kind of double hyer insulation plate surface texture electrolytic tool cathode of the invention, metal plate are that magnesium alloy or aluminium close
Golden sheet metal has the advantages that easy to process, structure strong applicability, cost is relatively low；
(3) a kind of double hyer insulation plate surface texture electrolytic tool cathode of the invention, hole are the row of array at a certain distance
Column, the consistent circular hole of size go out high-precision array micropore convenient for Electrolyzed Processing, improve workpiece surface antiwear and friction reduction property；
(4) a kind of double hyer insulation plate surface texture electrolytic tool cathode of the invention, the thickness phase of upper and lower two cavitys
Deng, it is easy to process, and it is equidistant intermediate plate with workpiece, electrolytic speed is consistent, and workpiece Electrolyzed Processing quality is stablized；
(5) a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode of the invention, method simply may be used
Row, processing cost is low, and preparation efficiency is high, and the tool cathode precision processed is high, and Surface Texture precision is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of double hyer insulation plate surface texture electrolytic tool cathode of the invention.
Label declaration in schematic diagram:
1, metal plate；1-1, intermediate plate；1-2, top plate；1-3, lower plywood；1-4, cavity；2, hole；3, insulating layer.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
As shown in connection with fig. 1, a kind of double hyer insulation plate surface texture electrolytic tool cathode of the present embodiment, including metal plate 1
With insulating layer 3, metal plate 1 be magnesium alloy or Al-alloy metal thin plate, have it is easy to process, structure strong applicability, cost is relatively low
The advantages that；Two cavity 1-4 up and down are offered on the thickness direction of metal plate 1, forming metal plate 1 has parallel upper layer
" day " character form structure of plate 1-2, intermediate plate 1-1 and lower plywood 1-3, in the present embodiment preferably, upper and lower two cavity 1-4's
Thickness is equal, not only easy to process, but also is equidistant intermediate plate 1-1 with workpiece, and electrolytic speed is consistent, workpiece Electrolyzed Processing
Quality is stablized.The hole 2 for Electrolyzed Processing micro-pit array is offered on top plate 1-2 and lower plywood 1-3 respectively, in the present embodiment
Hole 2 be array arrangement, the consistent circular hole of size at a certain distance, go out high-precision array micropore convenient for Electrolyzed Processing, improve work
Part abrasion-resistant surface antifriction performance；Insulating layer 3 is respectively arranged on the interior outer surface of top plate 1-2 and lower plywood 1-3, in this way, logical
It is conductive to cross intermediate plate 1-1, remaining region insulation forms double hyer insulation plate, and cavity 1-4 is used for workpiece table for being passed through electrolyte
Plane texture Electrolyzed Processing.
A kind of double hyer insulation plate surface texture electrolytic tool cathode of the present embodiment, utilizes the metal in " day " character form structure
Hole 2 is opened up on plate 1 top plate 1-2 and lower plywood 1-3, and is insulated to top plate 1-2 and lower plywood 1-3, and conduction is utilized
Intermediate plate 1-1 carries out Electrolyzed Processing micro-pit array to the workpiece become placed against on top plate 1-2 and lower plywood 1-3, disposably knits
Two workpiece of structure, texture is high-efficient, and electrolyte flows in cavity 1-4, is easy to for electrolysate being quickly discharged, surface is knitted
Structure is high-quality and stablizes, and uses two-sided electrolytic surface texture, strong applicability.
The present embodiment also discloses a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode comprising with
Lower step:
(a), equidistant cavity 1-4 up and down is cut on metal plate 1 using slow wire feeding cutting off machine, makes metal plate 1
Form " day " character form structure with parallel top plate 1-2, intermediate plate 1-1 and lower plywood 1-3；Above-mentioned metal plate 1 is adopted
With whole magnesium alloy or Al-alloy metal thin plate, the metal plate 1, the size requirement of metal plate 1 are processed by low-speed WEDM
As follows: of length no more than 500mm, width are no more than 500mm, and thickness is no more than 3mm, and with precision detecting instrument to magnesium alloy or
1 top and bottom of Al-alloy metal plate carry out parallelism detection, it is ensured that the upper and lower surface parallelism error of metal plate 1 is no more than
0.01mm, the tool cathode precision to guarantee preparation is high and stablizes；In addition, being careful when processing upper and lower cavities 1-4 by control
The parameters such as silk thread cutting cutting gap, cutting current and cutting track cut the cavity 1-4 of metal plate 1, cutting current
Thickness no more than 1A, top plate 1-2 and lower plywood 1-3 is no more than 0.5mm, and the thickness of intermediate plate 1-1 is also no more than 0.5mm,
And the upper and lower surface parallelism error of intermediate plate 1-1 is no more than 0.01mm, in the case where ensure that Surface Texture processing request,
Improve the machinability and machining accuracy of tool cathode.
(b), top plate 1-2 and lower plywood 1-3 are processed using spark technology on numerically-controlled machine tool micro- for being electrolysed
The hole 2 of array is cheated, which is that array arrangement, the consistent circular hole of size are best at a certain distance, and when processing hole 2, utilize battle array
Column electrospark electrode processes array hole, and the diameter of single electrospark electrode is no more than 200 μm, two neighboring electrospark electrode
Spacing is no more than 500 μm, can process the array hole that diameter is no more than 200 μm using array electrospark electrode.
(c), the upper and lower surface of intermediate plate 1-1 is protected, and using micro-arc oxidation process to top plate 1-2 and lower layer
The interior outer surface of plate 1-3 insulate；Above-mentioned differential arc oxidation voltage is no more than 500V, and the differential arc oxidation time is no more than 50s,
3 thickness of differential arc oxidation insulating layer be no more than 20 μm, technical process is simple, not only to other regions in addition to intermediate plate 1-1 into
Row effectively insulation, also improves the surface strength of electrolytic tool cathode, is unlikely to deform electrolytic tool cathode, improve and use the longevity
Life.
A kind of preparation method of the double hyer insulation plate surface texture electrolytic tool cathode of the present embodiment, before step (a),
It further include preceding cleaning step, specifically, the metal plate 1 after processing is put into ultrasonic cleaning apparatus and water base property solvent is added
At least 30min is cleaned, drying is taken out；It further include intermediate cleaning step after step (a), specifically, by the metal after processing
Plate 1 is put into ultrasonic cleaning apparatus and is added water base property solvent cleaning at least 60min, takes out drying；After step (c),
It further include rear cleaning step, specifically, the electrolytic tool cathode prepared to be put into ultrasonic cleaning apparatus and be added water base
Property solvent clean at least 30min, it is stand-by to take out drying.By above-mentioned cleaning step, the electrolytic tool cathode of preparation ensure that
Dimensional accuracy is reliable and stable, to improve the precision of workpiece surface electrolysis texture.
A kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode of the present embodiment, method simply may be used
Row, practical, processing cost is low, and preparation efficiency is high, and the tool cathode precision processed is high, and Surface Texture precision is high, has
Broad application prospect.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, without creatively designing and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of double hyer insulation plate surface texture electrolytic tool cathode, including metal plate (1) and insulating layer (3), it is characterised in that:
Two cavitys (1-4) up and down are offered on the thickness direction of the metal plate (1), form metal plate (1) with parallel
Top plate (1-2), intermediate plate (1-1) and lower plywood (1-3) " day " character form structure, the top plate (1-2) and lower layer
The hole (2) for Electrolyzed Processing micro-pit array is offered on plate (1-3) respectively, the insulating layer (3) is respectively arranged on top plate
On the interior outer surface of (1-2) and lower plywood (1-3).
2. a kind of double hyer insulation plate surface texture electrolytic tool cathode according to claim 1, it is characterised in that: described
Metal plate (1) is magnesium alloy or Al-alloy metal thin plate.
3. a kind of double hyer insulation plate surface texture electrolytic tool cathode according to claim 2, it is characterised in that: described
Hole (2) is array arrangement, the consistent circular hole of size at a certain distance.
4. a kind of double hyer insulation plate surface texture electrolytic tool cathode according to claim 3, it is characterised in that: upper and lower two
The thickness of a cavity (1-4) is equal.
5. a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode, which comprises the following steps:
(a), equidistant cavity (1-4) up and down is cut on metal plate (1) using slow wire feeding cutting off machine, makes metal plate
(1) " day " character form structure with parallel top plate (1-2), intermediate plate (1-1) and lower plywood (1-3) is formed；
(b), top plate (1-2) and lower plywood (1-3) are processed using spark technology on numerically-controlled machine tool micro- for being electrolysed
Cheat the hole (2) of array；
(c), the upper and lower surface of intermediate plate (1-1) is protected, and using micro-arc oxidation process to top plate (1-2) and lower layer
The interior outer surface of plate (1-3) insulate.
6. a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode according to claim 5, feature
Be: of length no more than 500mm of the metal plate (1), width are no more than 500mm, and thickness is no more than 3mm, and metal plate
(1) upper and lower surface parallelism error is no more than 0.01mm.
7. a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode according to claim 5, feature
Be: when processing upper and lower cavities (1-4) in step (a), cutting current is no more than 1A, top plate (1-2) and lower plywood (1-3)
Thickness be no more than 0.5mm, the thickness of cavity (1-4) is also no more than 0.5mm, and the upper and lower surface depth of parallelism of intermediate plate (1-1)
Error is no more than 0.01mm.
8. a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode according to claim 5, feature
Be: in step (b) process hole (2) when, using array electrospark electrode process array hole, single electrospark electrode it is straight
Diameter is no more than 200 μm, and the spacing of two neighboring electrospark electrode is no more than 500 μm.
9. a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode according to claim 5, feature
Be: in step (c), differential arc oxidation voltage is no more than 500V, and the differential arc oxidation time is no more than 50s.
10. a kind of preparation method of double hyer insulation plate surface texture electrolytic tool cathode according to claim 5, feature
It is: further includes preceding cleaning step before the step (a), specifically, the metal plate (1) after processing is put into ultrasonic cleaning
In equipment and water base property solvent cleaning at least 30min is added, takes out drying；It after step (a), further include intermediate cleaning step
Suddenly, specifically, the metal plate (1) after processing is put into ultrasonic cleaning apparatus and water base property solvent cleaning is added at least
60min takes out drying；It after step (c), further include rear cleaning step, specifically, the electrolytic tool cathode prepared is put
Enter in ultrasonic cleaning apparatus and be added water base property solvent cleaning at least 30min, it is stand-by to take out drying.
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| CN107671504B (en) * | 2017-10-17 | 2019-05-28 | 昌河飞机工业（集团）有限责任公司 | A method of making electrolysis cutting processing cathode |
| CN108890052B (en) * | 2018-06-29 | 2020-04-07 | 南京航空航天大学 | Gas injection auxiliary insulation type electrolytic cutting machining method |
| CN109163206B (en) * | 2018-07-19 | 2020-10-27 | 西安交通大学 | Pore cavity composite textured surface and manufacturing method and using method thereof |
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| JPS5930623A (en) * | 1982-08-11 | 1984-02-18 | Hitachi Ltd | Machining of magnetic disk base board |
| SU1696197A1 (en) * | 1989-09-24 | 1991-12-07 | Тульский Политехнический Институт | Method of electrochemical formation of regular relief |
| NL1013137C2 (en) * | 1999-09-24 | 2001-03-27 | Eldim B V | Electrode for effecting electro-chemical drilling operations comprises tube of electrically conductive material open at both outer ends, which has cylindrical inner/outer walls, flat walls and coating of electrically insulating material |
| CN1943951A (en) * | 2006-10-20 | 2007-04-11 | 南京航空航天大学 | Electrolytic processing method for ribbed deep small holes and special tool cathode |
| DE102007023494B4 (en) * | 2007-05-19 | 2009-03-26 | Minebea Co., Ltd. | Electrode for the electrochemical machining of a metallic workpiece |
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Application publication date: 20170623 Assignee: CHANGZHOU ANKANG MEDICAL EQUIPMENT Co.,Ltd. Assignor: CHANGZHOU INSTITUTE OF TECHNOLOGY Contract record no.: X2023980032144 Denomination of invention: A double-layer insulating plate surface texture electrolytic tool cathode and its preparation method Granted publication date: 20181228 License type: Exclusive License Record date: 20230215 |
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