CN107999907A - The profiled holes electrolytic machining device and method of active suppression dispersion corrosion - Google Patents
The profiled holes electrolytic machining device and method of active suppression dispersion corrosion Download PDFInfo
- Publication number
- CN107999907A CN107999907A CN201711262244.7A CN201711262244A CN107999907A CN 107999907 A CN107999907 A CN 107999907A CN 201711262244 A CN201711262244 A CN 201711262244A CN 107999907 A CN107999907 A CN 107999907A
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- China
- Prior art keywords
- anode
- cathode
- shell body
- profiled holes
- dispersion corrosion
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Classifications
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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
-
- 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
- B23H9/14—Making holes
Abstract
The invention discloses the profiled holes electrolytic machining device and method of a kind of active suppression dispersion corrosion.The profiled holes electrolytic machining device of active suppression dispersion corrosion, including the rotary drive mechanism for being used to form the fixation support of shell intracoelomic cavity axis for retaining element and composition to the shell body of the closing inner chamber electrolytic environments of part Electrolyzed Processing and on shell body central axes and through shell body, shell body is equipped with the processing anode and processing cathode that the part being used in external housing cavity carries out Electrolyzed Processing, shell body is in the type hole entrance of part profiled holes, the type hole outlet of part profiled holes, in the non-processing side wall of part at least one at position be equipped be used for part electrochemical machining process in by low pressure controllable electric field comb stray electric field with suppress the dispersion corrosion of dispersion corrosion suppress unit.Dispersion corrosion this drawback of Electrolyzed Processing generation can be significantly improved, for promoting application of the Electrolyzed Processing in aero-engine field that there is great significance.
Description
Technical field
The present invention relates to aircraft engine parts technical field of electrolysis processing, especially, it is spuious to be related to a kind of active suppression
The profiled holes electrolytic machining device of corrosion.A kind of moreover, it relates to abnormal shape for including above-mentioned active suppression dispersion corrosion
The special-shaped pore electrolytic machining method of the active suppression dispersion corrosion of hole electrolytic machining device.
Background technology
Electrolyzed Processing is to realize that a kind of molding special type of work pieces process adds using the principle of electrochemical metal anodic solution
Work method, relative to other processing methods, Electrolyzed Processing has the characteristics that：1st, tool cathode is lossless in theory, Ke Yiwu
Limit time application；2nd, it is high in machining efficiency；3rd, machined surface quality；4th, the range of work is wide, unrelated with material hardness, as long as it is conductive
Material can use Electrolyzed Processing.
But the defective workmanship such as dispersion corrosion limits the further development of electrolysis process.Dispersion corrosion is machined position
Or be not required working position the corrosion of material occur, such as during Electrolyzed Processing irregularly-shaped hole, the inlet of type hole, exit with
And dispersion corrosion often occurs in side wall, cause inlet and the cross sectional shape of exit type hole to change, seriously affect
The form accuracy of type hole, and side wall is corroded, and causes part rejection.
The content of the invention
It is existing to solve the present invention provides the profiled holes electrolytic machining device and method of a kind of active suppression dispersion corrosion
In aircraft engine parts electrochemical machining process, the type hole entrance, outlet and the feature side-wall that are easy to cause part are subject to spuious corruption
Lose and cause the technical problem of alteration of form.
According to an aspect of the present invention, there is provided a kind of profiled holes electrolytic machining device of active suppression dispersion corrosion, bag
Include for retaining element and form to the shell body of the closing inner chamber electrolytic environments of part Electrolyzed Processing and in shell body
It is used for the rotary drive mechanism for forming the fixation support of shell intracoelomic cavity axis on axis and through shell body, shell body, which is equipped with, to be used
Part in external housing cavity carries out the processing anode of Electrolyzed Processing and processing cathode, shell body are in part profiled holes
Type hole entrance, the type hole of part profiled holes export, position is equipped with and is used for part electricity at least one in the non-processing side wall of part
Stray electric field is combed by low pressure controllable electric field in solution process and suppresses unit to suppress the dispersion corrosion of dispersion corrosion.
Further, dispersion corrosion, which suppresses unit, includes auxiliary low pressure DC power supply, using titanium alloy sheet and auxiliary low pressure
The anode of DC power supply is electrically connected and is used as impressed current anode, is electrically connected using part with the cathode of auxiliary low pressure DC power supply as auxiliary
Help cathode；Spacing is left between titanium alloy sheet and part, spacing is 0.8mm~1.2mm.
Further, titanium alloy sheet uses TC4 titanium alloys, and thickness is 3mm~5mm；The voltage of auxiliary low pressure DC power supply
For 2V~4V.
Further, impressed current anode includes the anode conducting spiral shell being fastened on by anode fastener on titanium alloy sheet
Column, the anode terminal being connected on anode conducting stud and for anode terminal to be electrically connected to auxiliary low pressure direct current
The anode conducting line of the anode in source；Anode conducting stud is directly connected to anode terminal, or anode conducting stud and anode
Connected between binding post by conductive plate.
Further, impressed current anode includes being fixed on shell body and lay towards titanium alloy sheet anode conducting column, even
The anode terminal being connected on anode conducting column and the sun for anode terminal to be electrically connected to auxiliary low pressure DC power supply
The anode conducting line of pole；The anode for being used to force anode conducting column to depart from titanium alloy sheet is equipped between anode conducting column and shell body
Holddown spring and for overcoming the elastic force of anode holddown spring to control the anode that anode conducting column is contacted with titanium alloy sheet
Clamp nut.
Further, auxiliary cathode includes being fixed on shell body and laying towards part cathode conductive column, be connected to
Cathode terminal on cathode conductive column and the cathode for cathode terminal to be electrically connected to auxiliary low pressure DC power supply
Cathodic conductive wire；The cathode holddown spring for being used to force cathode conductive column to depart from part is equipped between cathode conductive column and shell body
And for overcoming the elastic force of cathode holddown spring to control the cathode clamp nut of cathode conductive column and feature contacts.
Further, it is equipped with shell intracoelomic cavity and is used to power on and protect the connecting groove of internal conductive track, is processed
Anode, processing cathode and dispersion corrosion suppress the conductive track connection of unit and/or are laid in connecting groove.
Further, shell body intracavity bottom is equipped with the conducting block for being contacted with the fitting of the conducting surface of part, part
By being fixed on for the clamp body of radially secure part between rotary drive mechanism and shell body, part passes through for along axis
To retaining element pressing plate gland in part top；Rotary drive mechanism bottom is equipped with the machine for being used for being connected with electrolytic machine tool
Bed connecting component, the rotary driving part that is fixed in lathe connecting component and it is fixed on rotary driving part and is used to input
Or the central row liquid pipe axis of discharge electrolyte.
Further, shell body include with the babinet of upper opening, gland in the cover board on babinet upper opening and
Installing plate for bottom of box installation assembling；It is equipped between cover board and babinet and/or between babinet and installing plate and is used to connect
The seal of position sealing.
According to another aspect of the present invention, a kind of profiled holes Electrolyzed Processing side of active suppression dispersion corrosion is additionally provided
Method, under part Electrolyzed Processing environment, respectively the type hole exit of the type hole inlet of part profiled holes, part profiled holes with
And feature side-wall places the higher titanium alloy sheet of decomposition voltage respectively；Application one is auxiliary between titanium alloy sheet and processing part
Anodic protection circuit is helped, using titanium alloy sheet as anode, the part processed is cathode；While part Electrolyzed Processing, zero
Part cathode and the type hole inlet anode, part cathode and type hole exit anode, the fixture of part profiled holes of part profiled holes
The current-carrying part anode of body forms controllable electric field with feature side-wall cathode, combs the type hole inlet of part respectively, type hole goes out
Mouthful at and side-walls stray electric field, improve electric field distribution, the dispersion corrosion of active suppression part, so as to improve part type hole
The form accuracy of inlet, type hole exit and side wall.
The invention has the advantages that：
The profiled holes electrolytic machining device of active suppression dispersion corrosion of the present invention, the type hole inlet of part profiled holes,
Type hole opening and these positions for easily producing dispersion corrosion of feature side-wall set the higher titanium alloy sheet of decomposition voltage,
Apply auxiliary low pressure DC voltage between titanium alloy sheet and processing part, using titanium alloy sheet as anode, the part processed is
Cathode, in cathode and part type hole inlet, cathode and part type hole exit, part positioning fixture current-carrying part and part side
Wall forms controllable electric field, combs part type hole inlet, type hole exit and the stray electric field at feature side-wall, improves electricity
Field distribution, the dispersion corrosion of active suppression part, so as to improve type hole inlet, type hole exit, the shape essence of feature side-wall
Degree.The present invention applies an impressed current anode protection circuit, with the higher gold of decomposition voltage on the basis of traditional electrolyte processing unit (plant)
Category is used as impressed current anode, and parts to be processed effectively improves the stray electric field of Electrolyzed Processing, significantly suppress spuious as cathode
Corrosion, improves the precision of Electrolyzed Processing.By means of the invention it is possible to significantly improve dispersion corrosion this disadvantage of Electrolyzed Processing generation
End, for promoting application of the Electrolyzed Processing in aero-engine field that there is great significance.Meanwhile active suppression of the present invention is spuious
The profiled holes electrolytic machining device of corrosion almost can be generalized to all precision ECM manufacture fields, have extensive promotion price
Value.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the longitudinal profile of the profiled holes electrolytic machining device of the active suppression dispersion corrosion of the preferred embodiment of the present invention
Structure diagram；
Fig. 2 is the horizontal section of the profiled holes electrolytic machining device of the active suppression dispersion corrosion of the preferred embodiment of the present invention
Structure diagram.
Marginal data：
1st, shell body；101st, babinet；102nd, cover board；103rd, installing plate；104th, seal；2nd, rotary drive mechanism；201、
Lathe connecting component；202nd, rotary driving part；203rd, central row liquid pipe axis；3rd, anode is processed；4th, cathode is processed；5th, spuious corruption
Erosion suppresses unit；501st, auxiliary low pressure DC power supply；502nd, titanium alloy sheet；503rd, anode fastener；504th, anode conducting stud；
505th, anode terminal；506th, anode conducting line；507th, anode conducting column；508th, anode holddown spring；509th, anode compresses spiral shell
It is female；510th, conductive plate；511st, cathode conductive column；512nd, cathode terminal；513rd, cathodic conductive wire；514th, cathode holddown spring；
515th, cathode clamp nut；6th, part；7th, connecting groove；8th, conducting block；9th, clamp body；10th, pressing plate.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Fig. 1 is the longitudinal profile of the profiled holes electrolytic machining device of the active suppression dispersion corrosion of the preferred embodiment of the present invention
Structure diagram；Fig. 2 is the transverse direction of the profiled holes electrolytic machining device of the active suppression dispersion corrosion of the preferred embodiment of the present invention
Cross-sectional view.As depicted in figs. 1 and 2, the profiled holes electrolytic machining device of the active suppression dispersion corrosion of the present embodiment,
Including for retaining element 6 and forming to the shell body 1 of the closing inner chamber electrolytic environments of 6 Electrolyzed Processing of part and in shell
It is used for the rotary drive mechanism 2 for forming 1 inner cavity axis fixation support of shell body, shell body on 1 central axes of body and through shell body 1
1 is equipped with the processing anode 3 for being used for that Electrolyzed Processing to be carried out to the part 6 in 1 inner cavity of shell body and processes cathode 4, at shell body 1
The type hole of type hole entrance, 6 profiled holes of part in 6 profiled holes of part exports, position at least one in the non-processing side wall of part 6
Install and be useful in 6 electrochemical machining process of part combing stray electric field by low pressure controllable electric field to suppress the spuious of dispersion corrosion
Corrosion suppresses unit 5.The profiled holes electrolytic machining device of active suppression dispersion corrosion of the present invention, in the type hole of 6 profiled holes of part
These positions for easily producing dispersion corrosion of inlet, type hole opening and 6 side wall of part set the higher titanium of decomposition voltage
Alloy sheets 502, apply auxiliary low pressure DC voltage between titanium alloy sheet 502 and processing part 6, are with titanium alloy sheet 502
Anode, the part 6 processed are cathode, in 6 type hole inlet of cathode and part, 6 type hole exit of cathode and part, part 6
Positioning fixture current-carrying part and 6 side wall of part form controllable electric field, comb 6 type hole inlet of part, type hole exit with
The stray electric field of 6 side-walls of part, improves electric field distribution, the dispersion corrosion of active suppression part 6, so as to improve type hole entrance
Place, type hole exit, the form accuracy of 6 side wall of part.The present invention applies an auxiliary on the basis of traditional electrolyte processing unit (plant)
Anodic protection circuit, the metal higher using decomposition voltage are used as cathode, effectively improve as impressed current anode, parts to be processed 6
The stray electric field of Electrolyzed Processing, significantly suppress dispersion corrosion, improve the precision of Electrolyzed Processing.It is by means of the invention it is possible to aobvious
This drawback of the dispersion corrosion of work improvement Electrolyzed Processing generation, for promoting Electrolyzed Processing in the application tool in aero-engine field
There is great significance.Meanwhile the profiled holes electrolytic machining device of active suppression dispersion corrosion of the present invention almost can be generalized to it is all
Precision ECM manufacture field, has extensive promotional value.
As depicted in figs. 1 and 2, in the present embodiment, dispersion corrosion, which suppresses unit 5, includes auxiliary low pressure DC power supply 501.Adopt
It is electrically connected by the use of titanium alloy sheet 502 with the anode of auxiliary low pressure DC power supply 501 and is used as impressed current anode.It is low with auxiliary using part 6
The cathode of pressure DC power supply 501, which is electrically connected, is used as auxiliary cathode.Spacing is left between titanium alloy sheet 502 and part 6.Spacing is
0.8mm~1.2mm.
As depicted in figs. 1 and 2, in the present embodiment, titanium alloy sheet 502 uses TC4 titanium alloys.Thickness is 3mm~5mm；It is auxiliary
The voltage for helping low-voltage dc power supply 501 is 2V~4V.
As depicted in figs. 1 and 2, in the present embodiment, impressed current anode includes being fastened on titanium conjunction by anode fastener 503
Anode conducting stud 504 in golden plate 502, the anode terminal 505 being connected on anode conducting stud 504 and for by sun
Pole binding post 505 is electrically connected to the anode conducting line 506 of the anode of auxiliary low pressure DC power supply 501.Alternatively, anode conducting spiral shell
Column 504 is directly connected to anode terminal 505.Alternatively, by leading between anode conducting stud 504 and anode terminal 505
Battery plate 510 connects.
As shown in Fig. 2, in the present embodiment, impressed current anode includes being fixed on shell body 1 and laying towards titanium alloy sheet 502
Anode conducting column 507, the anode terminal 505 that is connected on anode conducting column 507 and for by the electricity of anode terminal 505
It is connected to the anode conducting line 506 of the anode of auxiliary low pressure DC power supply 501.It is equipped between anode conducting column 507 and shell body 1
For forcing anode conducting column 507 to depart from the anode holddown spring 508 of titanium alloy sheet 502 and for overcoming anode holddown spring
508 elastic force is to control the anode clamp nut 509 that anode conducting column 507 is contacted with titanium alloy sheet 502.Anode can be passed through
The cooperation of holddown spring 508 and anode clamp nut 509, can connect anode circuit at any time or disconnect anode circuit, side
Just auxiliary circuit on-off line operation.
As shown in Fig. 2, in the present embodiment, cathode that auxiliary cathode includes being fixed on shell body 1 and laid towards part 6
Conductive column 511, the cathode terminal 512 being connected on cathode conductive column 511 and for cathode terminal 512 to be electrically connected to
The cathodic conductive wire 513 of the cathode of auxiliary low pressure DC power supply 501.It is equipped between cathode conductive column 511 and shell body 1 and is used to compel
Cathode conductive column 511 is set to depart from the cathode holddown spring 514 of part 6 and the elastic force for overcoming cathode holddown spring 514
To control the cathode clamp nut 515 that cathode conductive column 511 is contacted with part 6.Cathode holddown spring 514 and cathode can be passed through
The cooperation of clamp nut 515, can connect cathode circuit at any time or disconnect cathode circuit, facilitate auxiliary circuit break-make to grasp
Make.
It is used for the internal conductive track that powers on and protect as shown in Figure 1, being equipped with the present embodiment, in 1 inner cavity of shell body
Connecting groove 7.Processing anode 3, processing cathode 4 and dispersion corrosion suppress the conductive track connection of unit 5 and/or are laid in connect
In wire casing 7.
As shown in Figure 1, in the present embodiment, 1 intracavity bottom of shell body is equipped with for being contacted with the fitting of the conducting surface of part 6
Conducting block 8.Part 6 by for the clamp body 9 of radially secure part 6 be fixed on rotary drive mechanism 2 and shell body 1 it
Between.Part 6 is by 10 gland of pressing plate for being axially fixed part 6 in 6 top of part.2 bottom of rotary drive mechanism is equipped with
For the lathe connecting component 201 being connected with electrolytic machine tool, the rotary driving part being fixed in lathe connecting component 201
202 and it is fixed on rotary driving part 202 and is used to inputting or discharging the central row liquid pipe axis 203 of electrolyte.
As shown in Figure 1, in the present embodiment, shell body 1 includes the babinet 101 with upper opening, gland on babinet 101
Cover board 102 in portion's opening and the installing plate 103 for the installation assembling of 101 bottom of babinet.Between cover board 102 and babinet 101
And/or the seal 104 for being used for connecting portion sealing is equipped between babinet 101 and installing plate 103.
The special-shaped pore electrolytic machining method of the active suppression dispersion corrosion of the present embodiment, under 6 Electrolyzed Processing environment of part,
Placed respectively point in the type hole inlet of 6 profiled holes of part, the type hole exit of 6 profiled holes of part and 6 side wall of part respectively
Solve the higher titanium alloy sheet 502 of voltage；Apply an impressed current anode protection electricity between titanium alloy sheet 502 and processing part 6
Road, is anode with titanium alloy sheet 502, and the part 6 processed is cathode；While 6 Electrolyzed Processing of part, in 6 cathode of part
Type hole inlet anode, 6 cathode of part and type hole exit anode, the clamp body 9 of 6 profiled holes of part with 6 profiled holes of part
Current-carrying part anode and 6 side wall cathode of part form controllable electric field, comb the type hole inlet of part 6 respectively, type hole goes out
Mouthful at and side-walls stray electric field, improve electric field distribution, the dispersion corrosion of active suppression part 6, so as to improve 6 type of part
The form accuracy of hole inlet, type hole exit and side wall.
The profiled holes electrolytic machining device of active suppression dispersion corrosion passes through lathe connecting component 201 and electrolytic machine tool
It is connected, drives part 6 and associated components to rotate by rotary driving part 202.Part 6 is first clamped by clamp body 9, then is led to
Pressing plate 10 and clamp nut is crossed to be in close contact the conducting surface of part 6 and conducting block 8.Part 6 and the installation of above-mentioned clamping component
In babinet 101, holddown plate 102 after installation is complete, and equipped with sealing ring (seal between cover board 102 and babinet 101
104) to ensure leakproofness, thus part 6 is fixed in the fixture being fully sealed.
Anode protection device in the profiled holes electrolytic machining device of active suppression dispersion corrosion is made of three parts.
Part I：The titanium alloy sheet 502 that multiple thickness 1mm are provided with clamp body 9 (preferably, installs two titaniums to close
Golden plate 502).First piece of titanium alloy sheet 502 is 0.8mm~1.2mm in 6 axial direction of part, the distance with 6 side wall of part, it
It is connected directly by anode conducting stud 504 and anode conducting plate 510, there is anode terminal 505 on anode conducting plate 510, and
Connecting groove 7 is pooled to by an anode conducting line 506.By anode trip bolt, (anode fastens second piece of titanium alloy sheet 502
Part 503) it is connected with anode conducting stud 504, same jointed anode binding post 505 on anode conducting stud 504.First piece of titanium
The anode terminal 505 of the anode terminal 505 of alloy sheets 502 and second piece of titanium alloy sheet 502 passes through an anode conducting line
506 are connected；In this way, two pieces of titanium alloy sheets 502 are just all pooled on connecting groove 7 by being specifically conductively connected.During processing,
Connecting groove 7 connects the anode of accessory power supply (auxiliary low pressure DC power supply 501, voltage 2V-4V).And accessory power supply (auxiliary low pressure
DC power supply 501) cathode be connected with part 6.
Part II：One is being set above type hole air inlet position apart from 6 profiled holes of part at 0.8mm~1.2mm
Titanium alloy sheet 502, titanium alloy sheet 502 are connected with anode conducting column 507, and pass through anode clamp nut 509 and anode pressure
Under the action of tight spring 508, titanium alloy sheet 502 can with anode conducting column 507 is closely coupled connects.Have on anode conducting column 507
Anode terminal 505, can be connected by anode conducting line 506 with the anode of accessory power supply (auxiliary low pressure DC power supply 501)
Connect.The anode that titanium alloy sheet 502 is thereby realized with accessory power supply (auxiliary low pressure DC power supply 501) is connected.
Part III：One cathode conductive column 511 is installed on babinet 101, is compressed in cathode holddown spring 514 and cathode
Cathode conductive column 511 and part 6 can contact well under the action of nut 515, then make itself and auxiliary by cathode terminal 512
The cathode of power supply (auxiliary low pressure DC power supply 501) is connected.When part 6 is processed, cathode clamp nut 515 is tightened, cathode is led
Electric column 511 and part 6 connect, so as to ensure that part 6 and the cathode of accessory power supply (auxiliary low pressure DC power supply 501) connect.
By above step, the titanium alloy sheet 502 of 6 side-walls of part, the titanium alloy sheet 502 of 6 type hole inlet of part with
And anode of the titanium alloy sheet 502 in 6 type hole exit of part respectively with accessory power supply (auxiliary low pressure DC power supply 501) is connected
Connect, part 6 is connected with the cathode of accessory power supply (auxiliary low pressure DC power supply 501).Accessory power supply (auxiliary low pressure DC power supply
501) electric field that electric field caused by is just brought with machining voltage is on the contrary, the outlet of 6 type hole of part, type hole entrance can be effectively improved
The stray electric field of 6 side wall of place and part, suppresses dispersion corrosion, improves machining accuracy.And the decomposition voltage of titanium alloy sheet 502
It is 3-4V, and the voltage of boost voltage is suitable, titanium alloy sheet when connecting accessory power supply (auxiliary low pressure DC power supply 501) circuit
502 meltage is just considerably less, improves the service life of titanium alloy sheet 502, this, which has just reached, can suppress dispersion corrosion again
The double effects of impressed current anode service life can be improved.
By the profiled holes electrolytic machining device of active suppression dispersion corrosion of the present invention, in traditional electrolyte processing unit (plant),
Apply an impressed current anode protection circuit, the metal higher using decomposition voltage is as impressed current anode, and parts to be processed 6 is as cloudy
Pole, effectively improves the stray electric field of Electrolyzed Processing, significantly suppress dispersion corrosion, improves the precision of Electrolyzed Processing.Pass through
The present invention, the drawbacks of Electrolyzed Processing can be significantly improved：Dispersion corrosion, for promoting Electrolyzed Processing in aero-engine field
Using with great significance.Meanwhile method provided by the invention almost can be generalized to all precision ECM manufacture fields, have
Extensive promotional value.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of profiled holes electrolytic machining device of active suppression dispersion corrosion, including for retaining element (6) and form to institute
State the shell body (1) of the closing inner chamber electrolytic environments of part (6) Electrolyzed Processing and on the shell body (1) central axes simultaneously
It is used for the rotary drive mechanism (2) for forming the axis fixation support of the shell body (1) inner cavity through the shell body (1),
The shell body (1), which is equipped with, to be used to carry out the part (6) in the shell body (1) inner cavity adding for Electrolyzed Processing
Work anode (3) and processing cathode (4),
It is characterized in that,
The shell body (1) is in the type hole entrance of the part (6) profiled holes, the type hole of the part (6) profiled holes exports,
In the non-processing side wall of the part (6) at least one at position be equipped be used for the part (6) electrochemical machining process in pass through
Low pressure controllable electric field combs stray electric field and suppresses unit (5) to suppress the dispersion corrosion of dispersion corrosion.
2. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to claim 1, it is characterised in that
The dispersion corrosion, which suppresses unit (5), includes auxiliary low pressure DC power supply (501),
It is electrically connected using titanium alloy sheet (502) with the anode of the auxiliary low pressure DC power supply (501) and is used as impressed current anode,
It is electrically connected using the part (6) with the cathode of the auxiliary low pressure DC power supply (501) and is used as auxiliary cathode；
Spacing is left between the titanium alloy sheet (502) and the part (6), spacing is 0.8mm~1.2mm.
3. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to claim 2, it is characterised in that
The titanium alloy sheet (502) uses TC4 titanium alloys, and thickness is 3mm~5mm；
The voltage of the auxiliary low pressure DC power supply (501) is 2V~4V.
4. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to claim 2, it is characterised in that
Impressed current anode includes the anode conducting spiral shell being fastened on by anode fastener (503) on the titanium alloy sheet (502)
Column (504), the anode terminal (505) being connected on the anode conducting stud (504) and for by the anode connection
Column (505) is electrically connected to the anode conducting line (506) of the anode of the auxiliary low pressure DC power supply (501)；
The anode conducting stud (504) is directly connected to the anode terminal (505), or the anode conducting stud
(504) it is connected between the anode terminal (505) by conductive plate (510).
5. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to claim 2, it is characterised in that
The anode conducting column that impressed current anode includes being fixed on the shell body (1) and laid towards the titanium alloy sheet (502)
(507), the anode terminal (505) that is connected on the anode conducting column (507) and for by the anode terminal
(505) it is electrically connected to the anode conducting line (506) of the anode of the auxiliary low pressure DC power supply (501)；
It is equipped between the anode conducting column (507) and the shell body (1) and is used to force the anode conducting column (507) to depart from
The anode holddown spring (508) of the titanium alloy sheet (502) and the elastic force for overcoming the anode holddown spring (508)
To control the anode clamp nut (509) that the anode conducting column (507) contacts with the titanium alloy sheet (502).
6. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to claim 2, it is characterised in that
Cathode conductive column (511) that auxiliary cathode includes being fixed on the shell body (1) and lay towards the part (6),
The cathode terminal (512) that is connected on the cathode conductive column (511) and for the cathode terminal (512) to be electrically connected
It is connected to the cathodic conductive wire (513) of the cathode of the auxiliary low pressure DC power supply (501)；
It is equipped between the cathode conductive column (511) and the shell body (1) and is used to force the cathode conductive column (511) to depart from
The cathode holddown spring (514) of the part (6) and for overcoming the elastic force of the cathode holddown spring (514) to control
The cathode clamp nut (515) that the cathode conductive column (511) contacts with the part (6).
7. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to any one of claim 1 to 6, it is special
Sign is,
It is equipped with shell body (1) inner cavity and is used for the connecting groove (7) of internal conductive track that powers on and protect,
The processing anode (3), the processing cathode (4) and the dispersion corrosion suppress the conductive track connection of unit (5)
And/or it is laid in connecting groove (7).
8. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to any one of claim 1 to 6, it is special
Sign is,
Shell body (1) intracavity bottom is equipped with the conducting block (8) for being contacted with the fitting of the conducting surface of the part (6),
The part (6) for the clamp body (9) of the radially secure part (6) by being fixed on the rotary drive mechanism
(2) between the shell body (1),
The part (6) is by pressing plate (10) gland for being axially fixed the part (6) in the part (6) top；
Rotary drive mechanism (2) bottom is equipped with the lathe connecting component (201), affixed for being used for being connected with electrolytic machine tool
In the rotary driving part (202) on the lathe connecting component (201) and it is fixed on the rotary driving part (202)
For inputting or discharging the central row liquid pipe axis (203) of electrolyte.
9. the profiled holes electrolytic machining device of active suppression dispersion corrosion according to any one of claim 1 to 6, it is special
Sign is,
The shell body (1) includes the babinet (101) with upper opening, gland on the babinet (101) upper opening
Cover board (102) and the installing plate (103) for the installation assembling of the babinet (101) bottom；
Set between the cover board (102) and the babinet (101) and/or between the babinet (101) and the installing plate (103)
It is useful for the seal (104) of connecting portion sealing.
A kind of 10. special-shaped pore electrolytic machining method of active suppression dispersion corrosion, it is characterised in that
It is different in the type hole inlet of the part (6) profiled holes, the part (6) respectively under part (6) Electrolyzed Processing environment
The type hole exit of type hole and the part (6) side wall place the higher titanium alloy sheet of decomposition voltage (502) respectively；
In the titanium alloy sheet (502) and process between the part (6) and apply an impressed current anode protection circuit, with described
Titanium alloy sheet (502) is anode, and the part (6) processed is cathode；
While the part (6) Electrolyzed Processing, enter in the part (6) cathode and the type hole of the part (6) profiled holes
Anode, the part (6) cathode and the type hole exit anode, the conductive part of clamp body (9) of the part (6) profiled holes at mouthful
Divide anode to form controllable electric field with the part (6) side wall cathode, comb type hole inlet, the type of the part (6) respectively
At hole exits and side-walls stray electric field, improve electric field distribution, the dispersion corrosion of part (6) described in active suppression so that
Improve the form accuracy of the part (6) type hole inlet, type hole exit and side wall.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131126A (en) * | 2021-11-14 | 2022-03-04 | 中国航发沈阳黎明航空发动机有限责任公司 | Flow field protection device for large-allowance electrolytic machining |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723268A (en) * | 1967-12-21 | 1973-03-27 | Prod Eng Res Ass | Electrochemical machining |
| CN102896383A (en) * | 2012-10-10 | 2013-01-30 | 南京航空航天大学 | Electrolytic machining method of difficult-to-cut material, fine-module internal gear and device |
| CN104384643A (en) * | 2014-10-16 | 2015-03-04 | 南京航空航天大学 | Electrolytic machining method for thin-wall machine case of aero-engine |
| CN105033371A (en) * | 2015-08-12 | 2015-11-11 | 清华大学 | Electromachining method for preventing electrochemical dispersion corrosion |
| CN106141343A (en) * | 2016-08-22 | 2016-11-23 | 南京航空航天大学 | Overall process yi word pattern flowing flexible protective jacking electrolytic machining device and method |
| CN106312208A (en) * | 2016-09-26 | 2017-01-11 | 南京航空航天大学 | Auxiliary anode electrolysis grinding and milling processing system and method |
| CN107096970A (en) * | 2017-06-19 | 2017-08-29 | 南京航空航天大学 | Gas-insulated protects jacking Electrolyzed Processing cathod system and processing method |
| CN107322112A (en) * | 2017-07-17 | 2017-11-07 | 常州工学院 | A kind of pulse current matches feed arrangement with vibration |
-
2017
- 2017-12-04 CN CN201711262244.7A patent/CN107999907B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723268A (en) * | 1967-12-21 | 1973-03-27 | Prod Eng Res Ass | Electrochemical machining |
| CN102896383A (en) * | 2012-10-10 | 2013-01-30 | 南京航空航天大学 | Electrolytic machining method of difficult-to-cut material, fine-module internal gear and device |
| CN104384643A (en) * | 2014-10-16 | 2015-03-04 | 南京航空航天大学 | Electrolytic machining method for thin-wall machine case of aero-engine |
| CN105033371A (en) * | 2015-08-12 | 2015-11-11 | 清华大学 | Electromachining method for preventing electrochemical dispersion corrosion |
| CN106141343A (en) * | 2016-08-22 | 2016-11-23 | 南京航空航天大学 | Overall process yi word pattern flowing flexible protective jacking electrolytic machining device and method |
| CN106312208A (en) * | 2016-09-26 | 2017-01-11 | 南京航空航天大学 | Auxiliary anode electrolysis grinding and milling processing system and method |
| CN107096970A (en) * | 2017-06-19 | 2017-08-29 | 南京航空航天大学 | Gas-insulated protects jacking Electrolyzed Processing cathod system and processing method |
| CN107322112A (en) * | 2017-07-17 | 2017-11-07 | 常州工学院 | A kind of pulse current matches feed arrangement with vibration |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131126A (en) * | 2021-11-14 | 2022-03-04 | 中国航发沈阳黎明航空发动机有限责任公司 | Flow field protection device for large-allowance electrolytic machining |
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| CN107999907B (en) | 2019-07-26 |
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