CN104907654A - Electrolytic method for carrying out surface texturing by use of microporous plastic plate - Google Patents
Electrolytic method for carrying out surface texturing by use of microporous plastic plate Download PDFInfo
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- CN104907654A CN104907654A CN201510382804.7A CN201510382804A CN104907654A CN 104907654 A CN104907654 A CN 104907654A CN 201510382804 A CN201510382804 A CN 201510382804A CN 104907654 A CN104907654 A CN 104907654A
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- plastic plate
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- surface texture
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- insulation board
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000004033 plastic Substances 0.000 title claims abstract description 52
- 229920003023 plastic Polymers 0.000 title claims abstract description 52
- 238000009413 insulation Methods 0.000 claims abstract description 34
- 239000012943 hotmelt Substances 0.000 claims abstract description 17
- 239000003792 electrolyte Substances 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 10
- 238000005260 corrosion Methods 0.000 claims abstract description 10
- 238000003754 machining Methods 0.000 claims description 21
- 230000001413 cellular effect Effects 0.000 claims description 17
- 238000010128 melt processing Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/008—Surface roughening or texturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/24—Perforating by needles or pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses an electrolytic method for carrying out surface texturing by use of a microporous plastic plate, and belongs to the technical field of electrolytic processing. The method comprises the following steps: (a), manufacturing an insulation plate with array micropores; (b), flatly attaching the insulation plate on the processing surface of a workpiece; (3), introducing an electrolyte between a tool cathode and the insulation plate to enable the electrolyte to reach the processing surface of the workpiece, connecting the tool cathode with the cathode of a pulse power supply, and connecting the workpiece with the anode of the pulse power supply; and (d), turning on the pulse power supply to carry out electrolytic processing on a surface texture, wherein the insulation plate is a plastic plate, and the array microprobes in the plastic plate are processed by use of a hot melt method. According to the invention, the surface texturing of the workpiece is realized by use of the plastic plate with the array microprobes, the array microprobes are processed on the plastic plate by use of the hot melt method, the microprobe processing precision is high, the efficiency is high, and the pitch of the microprobes is conveniently controlled; and the plastic plate is taken as an insulation layer, the stray corrosion of the surface texture is small, the surface texturing precision is improved, the method is simple and practical, and therefore, the application prospect is wide.
Description
Technical field
The present invention relates to a kind of electrochemical machining method of Surface Texture, more particularly, relate to a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture.
Background technology
The frictional behaviour improving mechanical system to improve machine bearing capacity and service life important role.Engineering practice shows, can reduce sulphur in lubricating oil, phosphorus content, reduce environmental pollution by the chemical composition and reduction lubricating oil viscosity changing lubricating oil; Another kind of reasonably method shows to carry out fine finishining to friction pair work, as shown polishing, grinding etc., thus reach the object of the frictional dissipation reduced between friction pair, but be subject to the impact of material character and machining accuracy, the raising of roughness reaches Limiting Level.The progress of surface engineering technology is that the tribology behavior controlling material better provides multiple effective solution, and wherein Surface Texture technology improves friction pair bearing capacity and antiwear and friction reduction property aspect as fine surfaces engineering has and significantly improve effect.A large amount of theoretical researches and engineering practice find, rational Surface Texture can produce hydrodynamic, store lubricating oil, for surface provides lubrication, holds abrasive dust and reduce the effects such as superficial attractive forces.Further, along with deepening continuously of Recent study, researcher builds consensus: the unevenness array of surface of friction pair has splendid antiwear and friction reduction property.
But effective unevenness array manufacturing technology is the important leverage of this engineering.In recent years, researcher manufactures manufacture field at surface of friction pair unevenness array and has poured into great research enthusiasm, proposes multiple manufacture processing method, attempts to solve this and manufactures a difficult problem.Current surface of friction pair texture manufactures processing method and mainly contains laser-textured surface texture technology, abrasive air fluidics, spark erosion technique, electrochemical Machining Technology etc.Wherein, Electrolyzed Processing is a kind of special process method utilizing Anodic solution principle to remove material, compares with other processing methods, has the range of work wide, production efficiency is high, and surface quality is good, and instrument is lossless outstanding advantages of Denging.High by electrolytic method processing unevenness efficiency, surface quality is good, and cost is low.
The method of Electrolyzed Processing unevenness array is used to mainly contain at present both at home and abroad: (1) photograph electrolysis; (2) group act on sets Electrolyzed Processing; (3) fixed negative pole processing; (4) electro-stream machining.Wherein, fixed negative pole processing method be by one with run through group pore structure, surface with insulating barrier tool cathode directly and workpiece fit tightly, carry out Electrolyzed Processing after anode and cathode switches on power, obtain group at surface of the work and cheat structure; The method working (machining) efficiency is high, with low cost, but when processing array unevenness, easily occurring that unevenness dispersion corrosion is serious, causing processing locality and lack of homogeneity.In the method, insulating barrier between tool cathode and workpiece anode has obvious impact for the quality of Surface Texture, China's number of applying for a patent 201010205003.0, Shen Qing Publication day is on October 20th, 2010, invention and created name is: array micro-pit electrolytic machining method and system, this application case relates to a kind of array micro-pit electrolytic machining method and system, comprises the following steps: that (a) makes with the template running through group pore structure; B template and workpiece anode fit tightly by (); C () tool cathode is connected with power positive cathode respectively with workpiece anode; D () passes into electrolyte between tool cathode and template, make electrolyte arrive anode surface by group hole of running through in template; E () switches on power and carries out Electrolyzed Processing; Above-mentioned template is inert metal template.This application case solves the shortcoming that in existing insulation template micro-pit array electrochemical machining process, dispersion corrosion is larger, significantly improves locality and the micro-scale working ability of Electrolyzed Processing.China's number of applying for a patent 201410228273.1, Shen Qing Publication day is on August 27th, 2014, invention and created name is: the method for contact Electrolyzed Processing array unevenness, this application case relates to a kind of method of contact Electrolyzed Processing array unevenness, first obtain by the mode of photograph mask the photoresist film pattern needing electrolysis at workpiece anode surface, workpiece anode and tool cathode are connected with the both positive and negative polarity of power supply respectively, workpiece anode is immersed in electrolyte, tool cathode contacts with the photoresist film on workpiece anode, switches on power and carries out Electrolyzed Processing.Inventive article negative electrode is utilized to contact with the photoresist film on workpiece anode, the Electric Field Distribution of machining area can be improved, make to reach unanimity with the electric-field intensity at center around machining area, significantly improve machining accuracy and the locality of Electrolyzed Processing array unevenness.The insulating barrier of above-mentioned two application cases adopts inert metal template and photoresist film respectively, and photoresist film process is loaded down with trivial details, and production efficiency is low, and manufacturing cost is high; Inert metal template processing micropore difficulty, general adopts micro drill boring, drilling efficiency and precision low, cost is high.
Summary of the invention
1. invent the technical problem that will solve
The object of the invention is to overcome the deficiency that electrochemical machining method efficiency is low, manufacturing cost is high, surface quality is poor of existing Surface Texture, a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture is provided, adopt technical scheme of the present invention, the plastic plate with array micropore is utilized to realize surface of the work texture, utilize hot melt on plastic plate, process array micropore, capillary processing precision is high, and efficiency is high, and micropore pitch-row controls conveniently; And adopt plastic plate as insulating barrier, Surface Texture dispersion corrosion is little, improves the precision of Surface Texture, method simple practical, is with a wide range of applications.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture of the present invention, comprises the following steps:
A () makes the insulation board with array micropore;
(b) by smooth for insulation board on the finished surface of workpiece;
C () passes into electrolyte between tool cathode and insulation board, make electrolyte arrive the finished surface of workpiece by micropore, wherein, tool cathode connects pulse power negative pole, and workpiece connects pulse power positive pole;
D () make pulse power supply carries out Surface Texture Electrolyzed Processing;
Described insulation board is plastic plate, and the array micropore on described plastic plate adopts hot melt processing.
Further, the concrete steps of described hot melt processing array micropore are:
(a-1) tool microneedle array at regular intervals is prepared with the medical stainless steel micropin that diameter is not more than 200 μm;
(a-2) microneedle array in step (a-1) is installed on precise numerical control machine, and microneedle array is heated to be no more than 100 DEG C;
(a-3) utilize precise numerical control machine to drive above-mentioned microneedle array to process on plastic plate and there is the regularly arranged micropore of certain spacing.
Further, the thickness of described insulation board is not more than 0.1mm; Machining gap between described tool cathode and insulation board is no more than 0.1mm.
Further, the laminating gap of the insulation board in step (b) and workpiece is not more than 0.01mm.
Further, the electrolyte in step (c) is the NaNO that concentration is not more than 12%
3solution.
Further, described tool cathode is corrosion resistant plate.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following remarkable result:
(1) a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture of the present invention, its insulation board is plastic plate, array micropore on plastic plate adopts hot melt processing, utilize hot melt on plastic plate, process array micropore, capillary processing is easy to implement, and precision is high, efficiency is high, improve machining accuracy and the efficiency of Surface Texture, and micropore pitch-row is controlled, it is convenient to control; The method is simple and practical, is with a wide range of applications;
(2) a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture of the present invention, the concrete steps of its hot melt processing array micropore are: first prepare tool microneedle array at regular intervals with the medical stainless steel micropin that diameter is not more than 200 μm; Then microneedle array is installed on precise numerical control machine, and microneedle array is heated to be no more than 100 DEG C; Utilize precise numerical control machine to drive above-mentioned microneedle array to process on plastic plate and there is the regularly arranged micropore of certain spacing; Diameter be not more than the precision of the medical stainless steel micropin of 200 μm and intensity high, not easily bend, and draw materials conveniently; Utilize precise numerical control machine to control microneedle array processing, machining accuracy is high, and efficiency is high, can regulate micropore pitch-row simultaneously; Microneedle array heating-up temperature is unsuitable too high, too highly easily makes plastic plate overheated and causes pore size error large;
(3) a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture of the present invention, the thickness of its insulation board is not more than 0.1mm, machining gap between tool cathode and insulation board is no more than 0.1mm, the laminating gap of insulation board and workpiece is not more than 0.01mm, and electrolyte is the NaNO that concentration is not more than 12%
3solution, plastic insulation plate is easy to fit tightly with workpiece, and Surface Texture dispersion corrosion is little, improves the precision of Surface Texture.
Accompanying drawing explanation
Fig. 1 is a kind of principle schematic utilizing cellular plastic plate to carry out the electrolytic method of Surface Texture of the present invention;
Fig. 2 is a kind of embodiment schematic diagram utilizing hot melt to process micropore in the present invention on plastic plate;
Fig. 3 is a kind of schematic diagram with the plastic plate of array micropore in the present invention.
Label declaration in schematic diagram:
1, tool cathode; 2, insulation board; 21, micropore; 3, workpiece; 4, fine chuck; 5, micropin.
Detailed description of the invention
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Shown in composition graphs 1, a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture of the present embodiment, comprises the following steps:
A () makes the insulation board 2 with array micropore 21;
(b) by smooth for insulation board 2 on the finished surface of workpiece 3;
C () passes into electrolyte between tool cathode 1 and insulation board 2, make electrolyte arrive the finished surface of workpiece 3 by micropore 21, and wherein, tool cathode 1 connects pulse power negative pole, and workpiece 3 connects pulse power positive pole;
D () make pulse power supply carries out Surface Texture Electrolyzed Processing, go out a large amount of array micro-pits identical with micropore 21 position on insulation board 2 in workpiece 3 material surface texture;
Unlike the prior art, above-mentioned insulation board 2 is plastic plate, and the array micropore 21 on plastic plate adopts hot melt to process.
A kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture of the present embodiment, utilize hot melt on plastic plate, process array micropore, capillary processing is easy to implement, precision is high, and efficiency is high, improves machining accuracy and the efficiency of Surface Texture, and micropore pitch-row is controlled, it is convenient to control; The method is simple and practical, is with a wide range of applications.
For this reason, give a kind of concrete grammar utilizing hot melt to process array micropore 21 in the present embodiment, shown in Figure 2, the concrete steps of this hot melt are:
(a-1) tool microneedle array at regular intervals is prepared with the medical stainless steel micropin 5 that diameter is not more than 200 μm; This micropin 5 is fixed by fine chuck 4, makes micropin 5 end concordant; Diameter be not more than the precision of the medical stainless steel micropin of 200 μm and intensity high, not easily bend, and draw materials conveniently, medical stainless steel micropin 5 hollow, can hold the material of removal, reduces plastic plate crimp, improves micropore 21 precision;
(a-2) above-mentioned microneedle array is installed on precise numerical control machine, and microneedle array is heated, microneedle array heating-up temperature is unsuitable too high, too highly easily makes plastic plate overheated and causes micropore 21 scale error large, and general control is no more than 100 DEG C in heating-up temperature;
(a-3) utilize precise numerical control machine to drive above-mentioned microneedle array on plastic plate, to carry out hot melt processing along a direction, formed and there is the regularly arranged micropore of certain spacing 21 (as shown in Figure 3); Utilize precise numerical control machine to control the processing of micropin 5 array, machining accuracy is high, and efficiency is high, can regulate micropore pitch-row simultaneously.
In addition, in order to improve Surface Texture Electrolyzed Processing precision and working (machining) efficiency further, the thickness requirement of the insulation board 2 in the present embodiment is not more than 0.1mm, and the machining gap between tool cathode 1 and insulation board 2 is no more than 0.1mm, can ensure that interelectrode gap is not more than 0.2mm like this; Insulation board 2 is not more than 0.01mm with the laminating clearance requirement of workpiece 3; Electrolyte adopts concentration to be not more than the NaNO of 12%
3solution; Tool cathode 1 is made for corrosion resistant plate.The insulating thin of plastics is easy to fit tightly with workpiece 3, and Surface Texture dispersion corrosion is little, improves precision and the efficiency of Surface Texture.It is worth mentioning that, sheet plastic is easy to the surface configuration adapting to workpiece 3, and the Surface Texture for globoidal structure workpiece 3 has certain reference and using value.
A kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture of the present invention, utilize the plastic plate with array micropore to realize surface of the work texture, utilize hot melt on plastic plate, process array micropore, capillary processing precision is high, efficiency is high, and micropore pitch-row controls conveniently; And adopt plastic plate as insulating barrier, Surface Texture dispersion corrosion is little, improves the precision of Surface Texture.Compared with existing Surface Texture processing mode, the method is simple and practical, is with a wide range of applications.
Below be schematically described the present invention and embodiment thereof, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, without creatively designing the frame mode similar to this technical scheme and embodiment, all should protection scope of the present invention be belonged to.
Claims (6)
1. utilize cellular plastic plate to carry out an electrolytic method for Surface Texture, comprise the following steps:
A () makes the insulation board (2) with array micropore (21);
(b) by smooth for insulation board (2) on the finished surface of workpiece (3);
C () passes into electrolyte between tool cathode (1) and insulation board (2), electrolyte is made to arrive the finished surface of workpiece (3) by micropore (21), wherein, tool cathode (1) connects pulse power negative pole, and workpiece (3) connects pulse power positive pole;
D () make pulse power supply carries out Surface Texture Electrolyzed Processing;
It is characterized in that: described insulation board (2) is plastic plate, the array micropore (21) on described plastic plate adopts hot melt processing.
2. a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture according to claim 1, is characterized in that: the concrete steps of described hot melt processing array micropore (21) are:
(a-1) tool microneedle array at regular intervals is prepared with the medical stainless steel micropin (5) that diameter is not more than 200 μm;
(a-2) microneedle array in step (a-1) is installed on precise numerical control machine, and microneedle array is heated to be no more than 100 DEG C;
(a-3) utilize precise numerical control machine to drive above-mentioned microneedle array to process on plastic plate and there is the regularly arranged micropore of certain spacing (21).
3. a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture according to claim 1, is characterized in that: the thickness of described insulation board (2) is not more than 0.1mm; Machining gap between described tool cathode (1) and insulation board (2) is no more than 0.1mm.
4. a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture according to claim 1, is characterized in that: the insulation board (2) in step (b) is not more than 0.01mm with the laminating gap of workpiece (3).
5. a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture according to claim 1, is characterized in that: the electrolyte in step (c) is the NaNO that concentration is not more than 12%
3solution.
6. a kind of electrolytic method utilizing cellular plastic plate to carry out Surface Texture according to claim 1, is characterized in that: described tool cathode (1) is corrosion resistant plate.
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| CN201510382804.7A CN104907654B (en) | 2015-07-02 | 2015-07-02 | A kind of electrolytic method that Surface Texture is carried out using cellular plastic plate |
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Cited By (4)
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| CN107052485A (en) * | 2017-06-22 | 2017-08-18 | 广东工业大学 | A kind of cascade shower nozzle processed based on electric jet mask |
| CN109226917A (en) * | 2018-09-05 | 2019-01-18 | 上海交通大学 | Method for coarsening surface based on electro-discharge machining |
| CN109420810A (en) * | 2017-08-31 | 2019-03-05 | 深圳市水佳鑫科技有限公司 | Hard metal electrochemical deburring method and apparatus |
| CN113427783A (en) * | 2021-06-16 | 2021-09-24 | 杭州电子科技大学 | Method for preparing PMMA (polymethyl methacrylate) internal micro-channel under high-temperature action |
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| CN113427783A (en) * | 2021-06-16 | 2021-09-24 | 杭州电子科技大学 | Method for preparing PMMA (polymethyl methacrylate) internal micro-channel under high-temperature action |
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| CN104907654B (en) | 2017-11-21 |
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