CN110065007A - A kind of polishing system and polishing method - Google Patents

A kind of polishing system and polishing method Download PDF

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Publication number
CN110065007A
CN110065007A CN201910448429.XA CN201910448429A CN110065007A CN 110065007 A CN110065007 A CN 110065007A CN 201910448429 A CN201910448429 A CN 201910448429A CN 110065007 A CN110065007 A CN 110065007A
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CN
China
Prior art keywords
electrode
tool
electrolyte solution
polished object
electrolyte
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Granted
Application number
CN201910448429.XA
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Chinese (zh)
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CN110065007B (en
Inventor
姚俊
丁若晨
康振亚
杜宝瑞
郑会龙
赵世迁
文涛
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Institute of Engineering Thermophysics of CAS
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Institute of Engineering Thermophysics of CAS
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Priority to CN201910448429.XA priority Critical patent/CN110065007B/en
Publication of CN110065007A publication Critical patent/CN110065007A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C11/00Selection of abrasive materials or additives for abrasive blasts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C11/00Selection of abrasive materials or additives for abrasive blasts
    • B24C11/005Selection of abrasive materials or additives for abrasive blasts of additives, e.g. anti-corrosive or disinfecting agents in solid, liquid or gaseous form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00Abrasive blasting machines or devices; Plants
    • B24C3/02Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/04Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other stationary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00Electrolytic etching or polishing
    • C25F3/16Polishing
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

A kind of polishing system, comprising: electrolyte system (100), for providing electrolyte solution to tool-electrode (200), wherein include abrasive grain in electrolyte solution;Tool-electrode (200), for spraying electrolyte solution in polished object (500) surface;Power supply (300), its anode connects polished object (500), cathode fastening means electrode (200), so that electrochemical reaction occurs under the action of electrolyte solution and polishes under abrasive grain effect for the surface of polished object (500);Industrial personal computer (400), for controlling the movement of tool-electrode (200) and the distance between with polished object (500).In addition, additionally providing a kind of polishing method.By the way that electrochemical reaction and abrasive Flow are washed away combined use, on the one hand abrasive grain eliminates the passivation layer in electrochemical reaction process and accelerates electrochemical reaction, on the other hand polished object (500) surface, which can be washed away, removes the salient point on its surface, and then accelerates polishing velocity.

Description

A kind of polishing system and polishing method
Technical field
The present invention relates to mechanical polishing technology field more particularly to a kind of polishing system and polishing methods.
Background technique
For the performance pursued being outstanding, high strength and high hardness difficult-to-machine material (such as titanium alloy, high temperature alloy, high-strength stainless Steel etc.) it is applied in blade of aviation engine structure more and more, and blade wall thickness is thinner, chord width is wider, curvature is bigger, gives The polishing of blade brings difficulty.High pressure abrasive jet utilizes high-pressure water jet (including abrasive grain) high speed impact blade surface, band There is the tough abrasive grain excision salient point of small cutting and reaches polishing action, it is simple process, adaptable, it is complex-curved for blade class Polishing there is certain advantage, but with the application of high strength and high hardness difficult-to-machine material, to hardness of grain and water flow pressure More stringent requirements are proposed for power, and the high rigidity abrasive grain such as diamond, CBN is expensive, and cost greatly improves.Electrobrightening has No tool loss, without residual stress, the advantages that not limited by material hardness, but simultaneously electrobrightening easily formed in workpiece surface it is blunt Change layer and hinders continuing for electrochemical reaction.
Summary of the invention
(1) technical problems to be solved
Based on above-mentioned technical problem, the present invention provides a kind of polishing system and polishing method, by by electrochemical reaction Combined use is washed away with abrasive Flow, on the one hand abrasive grain eliminates the passivation layer in electrochemical reaction process and accelerates electrochemical reaction, On the other hand polished object (500) surface, which can be washed away, removes the salient point on its surface, and then accelerates polishing velocity.
(2) technical solution
On the one hand, the present invention provides a kind of polishing systems, including electrolyte system 100, tool-electrode 200, power supply 300 And industrial personal computer 400, in which: electrolyte system 100, for providing electrolyte solution to tool-electrode 200, wherein electrolyte It include abrasive grain in solution;Tool-electrode 200, for spraying electrolyte solution in polished 500 surface of object;Power supply 300, Anode connects polished object 500, cathode fastening means electrode 200, so that the surface of polished object 500 is in electrolyte solution Under the action of occur electrochemical reaction and abrasive grain effect under polish;Industrial personal computer 400, for controlling the movement of tool-electrode 200 And the distance between with polished object 500.
Optionally, abrasive grain is alumina particle.
Optionally, tool-electrode 200 includes work head 201, hollow shaft 202 and rotary joint 203, wherein work head 201 be cydariform, and outer surface is equipped with multiple spray-holes with jet electrolytic matter solution, and one end of hollow shaft 202 is equipped with work head 201, for conveying electrolyte solution to work head 201, the other end is equipped with rotary joint 203, in the work of rotary joint 203 It is rotated with lower drive work head 201 and mobile.
Optionally, industrial personal computer 400 includes motion control card 401, and industrial personal computer 400 passes through the control rotation of motion control card 401 The rotation and movement of connector 203.
Optionally, electrolyte system 100 includes overflow valve 101 and pressure gauge 102, wherein pressure gauge 102 is for detecting Pressure value is simultaneously sent to industrial personal computer 400 by the pressure value of 200 inlet of tool-electrode, so that industrial personal computer 400 is according to pressure value control The aperture of overflow valve 101 processed is to adjust the flow velocity of electrolyte solution.
Optionally, electrolyte system 100 further includes solution feed pump 103, electrolyte collecting box 104, recovery pump 105, transport tube Road 106, repository 107 and blender 108, wherein solution feed pump 103 and recovery pump 105 are set to and transport on pipeline 106;Electrolysis Liquid collecting box 104 is used for the electrolyte solution that collection kit electrode 200 ejects;Repository 107 is for storing electrolyte solution; Recovery pump 105 is used to the electrolyte solution in electrolyte collecting box 104 inputting repository 107;Solution feed pump 103 is used for tool Electrode 200 conveys electrolyte solution;Blender 108 is set in repository 107, for stirring electrolyte solution.
Optionally, blender 108 is turbine agitator, and the material of blade is steel lining ultra-high molecular mass polyethylene.
Optionally, Hall current sensor 600 is equipped between power supply 300 and polished object 500, in detection circuit Electric current, and the current value that will test is sent to industrial personal computer 400.
Optionally, the distance between tool-electrode 200 and polished object 500 are 0.2-0.8mm.
On the other hand, the present invention provides a kind of polishing methods based on above-mentioned polishing system, comprising: S1, according to described The profile of polished object 500 presets the motion profile and rotation speed of tool-electrode 200 in industrial personal computer 400;S2, by tool Electrode 200 is according to running track in polished 500 apparent motion of object so that the electrolyte containing abrasive grain that tool-electrode 200 sprays Solution wash away the surface of the polished object 500 and with the surface of polished object 500 occur electrochemical reaction, with polishing to The surface of polishing object 500.
(3) beneficial effect
The present invention provides a kind of polishing system and polishing methods, and abrasive grain, while electrolyte are mixed into electrolyte solution Solution is occurred electrochemical reaction at polished body surface by the way of high-pressure injection, on the one hand and removes salient point at this;Separately One side high pressure abrasive Flow can both remove the passivation layer of electrochemical reaction generation, accelerate the progress of reaction, and can be by certainly The salient point of the small cutting removal polished surface of body.Such electrochemical reaction and abrasive grain wash away mutual cooperation so that polishing action Enhanced;Abrasive grain can use the materials such as aluminium oxide, at low cost, be easy to industrial applications.
Detailed description of the invention
Fig. 1 diagrammatically illustrates the structure chart of the polishing system of the embodiment of the present disclosure;
Fig. 2A diagrammatically illustrates the knot of work head 201 and hollow shaft 202 in the tool-electrode 200 of the embodiment of the present disclosure Structure schematic diagram;
Fig. 2 B diagrammatically illustrates the cross-sectional view of A-A section in Fig. 2A of the embodiment of the present disclosure;
Fig. 3 diagrammatically illustrates the step of polishing method of embodiment of the present disclosure figure;
Fig. 4 diagrammatically illustrates the flow chart of the polishing method of the embodiment of the present disclosure.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Attached drawing, the present invention is described in more detail.
The present invention provides a kind of polishing systems, referring to Fig. 1, including electrolyte system 100, tool-electrode 200, power supply 300 and industrial personal computer 400, in which: electrolyte system 100, for providing electrolyte solution to tool-electrode 200, wherein electrolysis It include abrasive grain in matter solution;Tool-electrode 200, for spraying electrolyte solution in polished 500 surface of object;Power supply 300, Its anode connects polished object 500, cathode fastening means electrode 200, so that the surface of polished object 500 is molten in electrolyte Electrochemical reaction occurs under the action of liquid and is polished under abrasive grain effect;Industrial personal computer 400, for controlling the fortune of tool-electrode 200 It is dynamic and the distance between with polished object 500.It below will be by taking polished object 500 be blade of aviation engine as an example to the throwing Photosystem is described in detail.
Electrolyte system 100, for providing electrolyte solution to tool-electrode 200, wherein include mill in electrolyte solution Grain;
Specifically, electrolyte system 100, for providing electrolyte solution, the electrolyte system 100 to tool-electrode 200 Including overflow valve 101 and pressure gauge 102, wherein pressure gauge 102 is used for 200 inlet electrolyte solution of detection instrument electrode Pressure value and pressure value is sent to industrial personal computer 400 so that industrial personal computer 400 according to pressure value control overflow valve 101 aperture To adjust the flow velocity of electrolyte solution and then adjust abrasive grain to the size of the impact force of blade of aviation engine.
Electrolyte system 100 further includes solution feed pump 103, electrolyte collecting box 104, recovery pump 105, transports pipeline 106, deposits Storage cavern 107 and blender 108, wherein solution feed pump 103 and recovery pump 105 are set to and transport on pipeline 106, recovery pump 105 and confession Liquid pump 103 is wear-resistant corrosion resistant mortar pump to resist the corrosivity of electrolyte solution and the impact wear of abrasive grain;Electricity Solution liquid collecting box 104 is used for the electrolyte solution that collection kit electrode 200 ejects;Repository 107 is molten for storing electrolyte Liquid;Recovery pump 105 is used to the electrolyte solution in electrolyte collecting box 104 inputting repository 107;Solution feed pump 103 be used for Tool-electrode 200 conveys electrolyte solution;Blender 108 is set in repository 107, for stirring electrolyte solution, so that electric Abrasive grain difference in electrolyte solution is uniform, and blender 108 is preferably turbine agitator, and the material of blade is steel lining superelevation point Sub- weight northylen (UHMW-PE) has extremely strong wear-resistant, impact resistance and corrosion resistance.
Abrasive grain is mixed into electrolyte solution, which is preferably alumina particle, and diameter is preferably 50-100 μm, electrolysis With blade of aviation engine surface salient point electrochemical reaction can should occur for matter solution, so that blade of aviation engine surface salient point The alumina abrasive grain high speed impact blade of aviation engine surface for being removed, while dispersing by electrolysis, can both remove aeroplane engine The passivation layer of machine blade surface accelerates electrochemical reaction, and the salient point on blade of aviation engine surface can be removed by washing away, And then accelerate polishing velocity.
Tool-electrode 200, for spraying electrolyte solution in polished 500 surface of object;
Specifically, tool-electrode 200 includes work head 201, hollow shaft 202 and rotary joint 203, wherein referring to figure 2A and Fig. 2 B, work head 201 are cydariform, and outer surface is equipped with multiple spray-holes with jet electrolytic matter solution, the one of hollow shaft 202 End is equipped with work head 201, and for conveying electrolyte solution to work head 201, electrolyte solution is arranged from the spray-hole of work head 201 Out, blade of aviation engine surface is impacted, and fills the gap between work head 201 and blade of aviation engine surface, is sprayed Electrolyte solution converge in electrolyte collecting box 104, for being recycled, the other end of hollow shaft 202 is equipped with rotation and connects First 203, rotary joint 203 is connect with industrial personal computer 400, to drive work head 201 to rotate under the action of rotary joint 203 and move It is dynamic.
Power supply 300, anode connect polished object 500, cathode fastening means electrode 200, so that polished object 500 Surface occur under the action of electrolyte solution electrochemical reaction and abrasive grain effect under polish;
Specifically, power supply 300 is for providing the electrode that electrolyte solution is electrochemically reacted, anode connection aeroplane engine Machine blade, cathode fastening means electrode 200, so that the surface of blade of aviation engine is thrown under electrolyte solution and abrasive grain effect Light;Hall current sensor 600 is equipped between power supply 300 and blade of aviation engine, for the electric current in detection circuit, and will The current value of detection is sent to industrial personal computer 400, and whether so that industrial personal computer 400 judges the exception of electric current, industrial personal computer 400 is according to electric current The abnormal conditions of value issue instruction and adjust the feed speed of tool-electrode 200 and the spacing of blade of aviation engine.
Industrial personal computer 400, for controlling the movement of tool-electrode 200 and the distance between with polished object 500.
Specifically, industrial personal computer 400 includes motion control card 401, industrial personal computer 400 passes through movement according to preset numerical control program Control card 401 controls the rotation and movement of rotary joint 203, so that work head 201 is apart from blade of aviation engine certain distance The envelope movement of blade of aviation engine curved surface profile is done, the spacing range between work head 201 and blade of aviation engine is 0.2-0.8mm。
Spacing range between work head 201 and blade of aviation engine is 0.2-0.8mm;Electrolyte solution pressure limit Generally 0.1MPa-3MPa;The voltage range that power supply 300 provides is generally 20-50V;Abrasive grain is preferably alumina particle, straight Diameter is preferably 50-100 μm, can require to choose suitable parameter combination according to different materials and polishing.
On the other hand, the present invention also provides a kind of polishing methods based on above-mentioned polishing system, referring to Fig. 3 and Fig. 4, packet It includes:
S1 presets motion profile and the rotation of tool-electrode 200 according to the profile of polished object 500 in industrial personal computer 400 Rotary speed;
It is fixed specifically, blade of aviation engine is fixed on clamping device 501, and connects system, according to aviation The profile of engine blade presets the motion profile and rotation speed of tool-electrode 200 in industrial personal computer 400.
S2, by tool-electrode 200 according to running track in polished 500 apparent motion of object so that tool-electrode 200 sprays The electrolyte solution containing abrasive grain penetrated washes away the surface of polished object 500 and electrification occurs with the surface of polished object 500 Reaction is learned, to polish the surface of polished object 500.
Specifically, industrial personal computer 400 carries out motion control to tool-electrode 200 by motion control card 401, so that tool is electric Envelope movement is done on blade of aviation engine surface in pole 200;In addition industrial personal computer 400 detects electricity by Hall current sensor 600 The electric current that source 300 provides, electrolyte system 100 are used to provide the abrasive grain and electrolyte solution of desired flow to tool-electrode 200.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention Within the scope of shield.

Claims (10)

1. a kind of polishing system, including electrolyte system (100), tool-electrode (200), power supply (300) and industrial personal computer (400), in which:
Electrolyte system (100), for providing electrolyte solution to the tool-electrode (200), wherein the electrolyte solution In include abrasive grain;
Tool-electrode (200), for spraying the electrolyte solution in polished object (500) surface;
Power supply (300), anode connect the polished object (500), and cathode connects the tool-electrode (200), so that institute Electrochemical reaction occurs under the action of the electrolyte solution and throws under abrasive grain effect for the surface for stating polished object (500) Light;
Industrial personal computer (400), for controlling the movement of the tool-electrode (200) and between the polished object (500) Distance.
2. polishing system according to claim 1, the abrasive grain is alumina particle.
3. polishing system according to claim 1, the tool-electrode (200) includes work head (201), hollow shaft (202) and rotary joint (203), wherein the work head (201) is cydariform, and outer surface is equipped with multiple spray-holes to spray The electrolyte solution is penetrated, one end of hollow shaft (202) is equipped with the work head (201), for defeated to the work head (201) The electrolyte solution is sent, the other end is equipped with the rotary joint (203), under the action of the rotary joint (203) Drive the work head (201) rotation and movement.
4. polishing system according to claim 3, the industrial personal computer (400) includes motion control card (401), the industry control Machine (400) controls the rotation and movement of the rotary joint (203) by the motion control card (401).
5. polishing system according to claim 1, the electrolyte system (100) includes overflow valve (101) and pressure Table (102), wherein the pressure gauge (102) is used to detect the pressure value of the tool-electrode (200) inlet and by the pressure Force value is sent to the industrial personal computer (400), so that the industrial personal computer (400) controls the overflow valve according to the pressure value (101) aperture is to adjust the flow velocity of the electrolyte solution.
6. polishing system according to claim 1, the electrolyte system (100) further includes solution feed pump (103), electrolyte Collecting box (104), recovery pump (105) transport pipeline (106), repository (107) and blender (108), wherein the confession Liquid pump (103) and recovery pump (105) are set to described transport on pipeline (106);The electrolyte collecting box (104) is for collecting institute State the electrolyte solution that tool-electrode (200) ejects;The repository (107) is for storing the electrolyte solution;It is described Recovery pump (105) is used to the electrolyte solution in the electrolyte collecting box (104) inputting the repository (107);It is described Solution feed pump (103) is used to convey the electrolyte solution to the tool-electrode (200);The blender (108) is set to described In repository (107), for stirring the electrolyte solution.
7. polishing system according to claim 6, the blender (108) is turbine agitator, the material of blade For steel lining ultra-high molecular mass polyethylene.
8. polishing system according to claim 1 is equipped between the power supply (300) and the polished object (500) Hall current sensor (600), for the electric current in detection circuit, and the current value that will test is sent to the industrial personal computer (400)。
9. polishing system according to claim 1, between the tool-electrode (200) and the polished object (500) Distance be 0.2-0.8mm.
10. a kind of polishing method based on polishing system described in any one of the claims 1~9, comprising:
S1 presets the tool-electrode (200) according to the profile of the polished object (500) in the industrial personal computer (400) Motion profile and rotation speed;
S2, by the tool-electrode (200) according to the running track in polished object (500) apparent motion so that institute State tool-electrode (200) injection the electrolyte solution containing abrasive grain wash away the polished object (500) surface and with it is described Electrochemical reaction occurs for the surface of polished object (500), to polish the surface of the polished object (500).
CN201910448429.XA 2019-05-27 2019-05-27 Polishing system and polishing method Active CN110065007B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111424308A (en) * 2020-04-21 2020-07-17 温州根旭电子科技有限公司 Electrolyte polishing foam removing device
CN112123214A (en) * 2020-09-30 2020-12-25 奥拓福水刀有限公司 Device for deburring mobile phone shell by using water jet cutter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005007343A1 (en) * 2003-07-18 2005-01-27 Universidad Nacional Autonoma De Mexico Hydrodynamic radial flux tool for polishing and grinding optical and semiconductor surfaces
CN103395008A (en) * 2013-08-20 2013-11-20 哈尔滨工业大学 Abrasive jet machining method under effect of composite energy field
CN107866615A (en) * 2017-11-07 2018-04-03 常州工学院 A kind of compound electrode electrolytically and mechanically grinding and polishing complex machining device and method
CN210255761U (en) * 2019-05-27 2020-04-07 中国科学院工程热物理研究所 Polishing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005007343A1 (en) * 2003-07-18 2005-01-27 Universidad Nacional Autonoma De Mexico Hydrodynamic radial flux tool for polishing and grinding optical and semiconductor surfaces
CN103395008A (en) * 2013-08-20 2013-11-20 哈尔滨工业大学 Abrasive jet machining method under effect of composite energy field
CN107866615A (en) * 2017-11-07 2018-04-03 常州工学院 A kind of compound electrode electrolytically and mechanically grinding and polishing complex machining device and method
CN210255761U (en) * 2019-05-27 2020-04-07 中国科学院工程热物理研究所 Polishing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111424308A (en) * 2020-04-21 2020-07-17 温州根旭电子科技有限公司 Electrolyte polishing foam removing device
CN111424308B (en) * 2020-04-21 2020-12-22 山东中庆环保科技有限公司 Electrolyte polishing foam removing device
CN112123214A (en) * 2020-09-30 2020-12-25 奥拓福水刀有限公司 Device for deburring mobile phone shell by using water jet cutter

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