CN106513883B - A kind of blade profile precision ECM shaped electrode and processing method - Google Patents
A kind of blade profile precision ECM shaped electrode and processing method Download PDFInfo
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- CN106513883B CN106513883B CN201611068724.5A CN201611068724A CN106513883B CN 106513883 B CN106513883 B CN 106513883B CN 201611068724 A CN201611068724 A CN 201611068724A CN 106513883 B CN106513883 B CN 106513883B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
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- 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
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Abstract
The present invention relates to a kind of blade profile precision ECM shaped electrode and processing methods, including blade back shaped electrode, leaf basin shaped electrode and positioning and clamping device, wherein positioning and clamping device is installed on the transfer panel of longitudinal Z axis of lathe, and blade workpiece is assemblied on positioning and clamping device；Blade back shaped electrode and leaf basin shaped electrode the feed motion axis connection with electrolysis machine tool X1, X2 axis respectively；Blade back shaped electrode, the molding of leaf basin shaped electrode, form seal chamber with positioning and clamping device, blade workpiece is closed in seal chamber；Seal chamber is connected to by electrolyte inlet and electrolyte liquid outlet with External electrolytic liquid pipeline.This invention ensures that blade profile is processed without surplus, relative to NC Milling method, Electrolyzed Processing cost is only the 10% of numerical control mill cost, and efficiency is its 3 times or more.It ensure that blade part processing quality simultaneously, be suitable for producing in enormous quantities, there is huge potential benefit.
Description
Technical field
The present invention relates to a kind of aero-engine compressor blade profile processing technology, specifically a kind of blade profile
Precision ECM shaped electrode and processing method.
Background technique
The principle of Electrolyzed Processing is that the principle of anodic solution can occur in the electrolytic solution and remove material using metal, will
A kind of molding non-traditional cutting working method of work pieces process.When Electrolyzed Processing, tool (cutter) is as cathode, workpiece as sun
Pole is connected to DC power supply.In the electrolytic solution, tool cathode shifts to workpiece anode with certain speed, sends out between tool and workpiece
Raw charge-exchange, anode workpiece material is dissolved, and is taken away by swiftly flowing electrolyte, to reach point-device processing
It is required that.
Engine compressor blade processing is carried out using electrolytic method, is answered extensively on external advanced aero engine
With the compressor blade if nowadays MTU company, Germany is more than 90% is processed using this technique.(in " typhoon " engine RB199
Pressure and high-pressure compressor, the high-pressure compressor of EJ200 engine).
Currently, for the existing leading technology of such compressor blade use cold-reduced sheet blank, blade type face using rolling with
Hand-polished processing method.Due to blade profile variation curvature greatly, hold curved, sweepback, at present leading technology rolling processing reaches not
To no surplus, rear blade deformation is processed, makes that forming surface is overproof, and manufacture accordance is poor.It cannot achieve intake and exhaust side in roll milling technology
In the case where edge Precision Machining, blade type face is processed using the method for numerical control mill, the precision machined mesh in blade type face may be implemented
Mark, but cost and efficiency are not able to satisfy batch production and require.
Summary of the invention
For in the prior art use numerical control mill method processing blade type face there are low efficiency, at high cost, quality is unstable
It is fixed, be not able to satisfy and batch produce the deficiencies of requiring, it is at low cost the problem to be solved in the present invention is to provide a kind of high-efficient, reduce a large amount of
Cutter consumption and numerical control device holding time blade profile precision ECM shaped electrode and processing method.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of blade profile precision ECM shaped electrode of the present invention, including blade back shaped electrode, leaf basin shaped electrode and
Positioning and clamping device, wherein positioning and clamping device is installed on the transfer panel of longitudinal Z axis of lathe, and blade workpiece is assemblied in positioning
On clamping device；Blade back shaped electrode and leaf basin shaped electrode the feed motion axis connection with electrolysis machine tool X1, X2 axis respectively；Leaf
Shaped electrode, the molding of leaf basin shaped electrode are carried on the back, forms seal chamber with positioning and clamping device, blade workpiece is closed in seal chamber
In；Seal chamber is connected to by electrolyte inlet and electrolyte liquid outlet with External electrolytic liquid pipeline.
Blade back shaped electrode has blade back insulated enclosure block and blade back work cathode, which is equipped with recessed
Slot, blade back work cathode in the middle part of blade back insulated enclosure block, and form groove with blade back insulated enclosure block；Leaf basin shaped electrode
With leaf basin insulated enclosure block and leaf basin work cathode, leaf basin works cathode in the middle part of leaf basin insulated enclosure block, in leaf basin work
Make that there is boss between cathode and leaf basin insulated enclosure block；Positioning and clamping device is equipped with insulated enclosure gland；Groove, boss with
And insulated enclosure gland is corresponding and cooperates, and works in blade back and forms a relative closure between cathode and leaf basin work cathode
Seal chamber constitutes sealing stabilizer structure including vanes close to be processed.
Blade back work cathode and leaf basin work cathode are connected by the cathode of cable and the pulse power, and blade workpiece passes through electricity
The anode of cable and the pulse power connects.
Electrolysis machine tool is the high-frequency narrow-pulse precision ECM lathe for having multiaxis, have can quickly position and respectively with machine
First and second HSK high-precision hydraulic collet of bed two feed motion axis connection of X1, X2, blade back shaped electrode and leaf basin shaped electrode
It is connected on the first and second HSK high-precision hydraulic collet.
Electrolyte inlet and electrolyte liquid outlet are separately positioned on leaf basin shaped electrode, and are leaf basin insulated enclosures
On the two sides of block, electrolyte inlet and external high pressure electrolyte piping connection.
Blade back shaped electrode front end is equipped with cathode to knife pin, and the corresponding position of leaf basin shaped electrode front end is equipped with cathode to knife
Hole.
Blade back shaped electrode top is equipped with blade to knife pin.
A kind of processing method of blade profile precision ECM shaped electrode of the present invention, comprising the following steps:
Blade back shaped electrode and leaf basin shaped electrode are installed on high-frequency narrow-pulse precision ECM lathe, and determine blade back at
The relative position of type electrode and leaf basin shaped electrode；
It by the assembly of blade workpiece on positioning and clamping device, and is installed on the transfer panel of longitudinal Z axis of lathe, and determines
The relative position of blade and blade back shaped electrode；
Blade is sent into the cavity between blade back shaped electrode and leaf basin shaped electrode；
Feed shaft operation is operated, so that cavity is formed seal chamber, including vanes close to be processed；
The electrolyte that electrolyte inlet is connected to high pressure, makes to quickly fill with Flow Field Distribution in seal chamber and is uniformly electrolysed
Liquid；
Blade back work cathode and leaf basin work cathode are connected by the cathode of cable and the pulse power, and blade workpiece passes through electricity
The anode of cable and the pulse power connects；It works in blade back and applies 5~25V of voltage, arteries and veins between cathode, leaf basin work cathode and blade
Rush 50~1000Hz, several hundred to up to ten thousand amperes of electric current of pulse current；Conduction time is 5~10 minutes.
After the processing for completing a vane foil, by blade back shaped electrode, leaf basin shaped electrode be retracted into backward safety away from
From, the Z axis for clamping blade is raised to safe distance, the blade to be processed more renewed, circulation above-mentioned steps complete new blade
The precision ECM in type face is processed.
Cavity is set to form seal chamber are as follows: the leaf in blade back insulated enclosure block and leaf basin shaped electrode in blade back shaped electrode
Insulated enclosure gland is corresponding in basin insulated enclosure block and positioning and clamping device and cooperates, in blade back work cathode and the work of leaf basin
The seal chamber that a relative closure is formed between cathode constitutes sealing stabilizer structure including vanes close to be processed.
Determine the relative position of blade back shaped electrode and leaf basin shaped electrode are as follows:
On high-frequency narrow-pulse precision ECM lathe, clamping blade back is distinguished by its first and second HSK high-precision hydraulic collet
Shaped electrode and leaf basin shaped electrode；
By HSK high-precision hydraulic collet, quickly positioning and accurately with two feed motion axis connection of lathe X1, X2 is logical
Crossing electrode ensures knife pin the relative position of blade back shaped electrode Yu leaf basin shaped electrode.
The invention has the following beneficial effects and advantage:
1. the present invention solves the high processing problem of compressor blade formed precision, a kind of new precision ECM processing is proposed
Shaped electrode and its process, guarantee blade profile without surplus process, relative to NC Milling method, Electrolyzed Processing
Cost is only the 10% of numerical control mill cost, and efficiency is its 3 times or more.It ensure that blade part processing quality simultaneously, be suitable for big
Batch production has huge potential benefit.
2. the present invention is closed by the design of a pair of of shaped electrode structure and with the assembly of blade clamping workpiece positioning device
System constitutes sealing stabilizer structure, guarantees the relative feed movement of blade workpiece and electrode, is in pressure always in process
Sealing state guarantees the uniformity and stability in flow field, and by selection machined parameters and processing program establishment, realizes blade
The processing of type face precision ECM, may be implemented efficient, inexpensive batch production.
3. the blade present invention can apply to compressor blade manufacturing field, suitable for materials such as titanium alloy, high temperature alloys
Type face is processed without surplus, and method is different from traditional machining, at low cost, high-efficient using Electrolyzed Processing compressor blade,
The technical problems such as such blade processing precision height can be effectively solved, are had broad application prospects.
Detailed description of the invention
Fig. 1 is blade forming electrode and blade clamping device assembling relationship figure；
Fig. 2 is blade back shaped electrode structural schematic diagram；
Fig. 3 is leaf Pengcheng type electrode structure schematic diagram；
Fig. 4 is blade forming cathode and electrolyte flow field schematic diagram.
Wherein, 1 is blade workpiece, and 2 be positioning and clamping device, and 3 be blade back shaped electrode, and 4 be leaf basin shaped electrode, and 5 are
Insulated enclosure gland, 6 be blade back work cathode, and 7 be blade to knife pin, and 8 be blade back insulated enclosure block (groove), and 9 be blade back electricity
Pole pedestal, 10 be electrode to knife pin, and 11a is the first HSK high-precision hydraulic collet, and 11b is the 2nd HSK high-precision hydraulic collet,
12 be electrolyte inlet, and 13 be electrolyte liquid outlet, and 14 be leaf basin work cathode, and 15 be leaf basin insulated enclosure block, and 16 be leaf
Basin electrodes base, 17 be seal chamber.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawings of the specification.
The present invention provide it is a kind of for compressor without mounting plate class stator blade blade profile precision ECM without surplus process at
Type electrode and process, including three-dimensional airfoil camber work cathode, sealing stabilizer structure, electrolyte entry/exit liquid mouth and specially
HSK hydraulic clip head etc..Work the core tool that cathode is blade forming processing, and electrode mould surface portion can be according to zero vane
The different structure of part is designed to different shapes by gap calculating, and electrolyte flow field uses the most short principle of stroke, into/row
Gas side enters, and row/leading edge outflow keeps process more stable, realizes efficient, low cost processing.
The present invention a kind of shaped electrode and process of the processing of blade profile precision ECM, the premise of implementation is using electricity
On the basis of solution or other methods progress blade are rough machined, blade profile surplus controls between 0.3~1.2mm substantially, mainly
It is finished for compressor blade type face and unmanageable front and rear edge, the condition of implementation is the high frequency narrow arteries and veins for having multiaxis
Rush precision ECM lathe.
As shown in figures 1-4, a kind of blade profile precision ECM shaped electrode of the present invention, including blade back shaped electrode 3, leaf
Basin shaped electrode 4 and positioning and clamping device 2, wherein positioning and clamping device 2 is installed on the transfer panel of longitudinal Z axis of lathe,
Blade workpiece 1 is assemblied on positioning and clamping device 2；Blade back shaped electrode 3 and leaf basin shaped electrode 4 respectively with electrolysis machine tool X1,
The feed motion axis connection of X2 axis；Blade back shaped electrode 3, leaf basin shaped electrode 4 mold, and are formed and are sealed with positioning and clamping device 2
Chamber, blade workpiece 1 are closed in seal chamber；Seal chamber passes through electrolyte inlet 12 and electrolyte liquid outlet 13 and external electrical
Solve liquid pipeline connection.
As shown in Fig. 2, blade back shaped electrode 3 has blade back insulated enclosure block 8 and blade back work cathode 6, blade back insulation
Sealing block 8 is equipped with groove, and the blade back cathode 6 that works is set to the middle part of blade back insulated enclosure block 8, and with 8 shape of blade back insulated enclosure block
At groove；3 top of blade back shaped electrode is equipped with blade to knife pin 7, as the polar reference point of electricity.
As shown in figure 3, leaf basin shaped electrode 4 has leaf basin insulated enclosure block 15 and leaf basin work cathode 14, the work of leaf basin
Cathode 14 is set to 15 middle part of leaf basin insulated enclosure block, works between cathode 14 and leaf basin insulated enclosure block 15 in leaf basin with convex
Platform；The corresponding position of 4 front end of leaf basin shaped electrode is equipped with cathode to tool bore；Positioning and clamping device 2 is equipped with insulated enclosure gland
5；Groove, boss and insulated enclosure gland 15 are corresponding and cooperate, and work between cathode 6 and leaf basin work cathode 14 in blade back
Blade 1 to be processed is enclosed in interior, composition sealing stabilizer structure by the seal chamber 17 for forming a relative closure.Blade back work
Cathode 6 and leaf basin work cathode 14 are connected by the cathode of cable and the pulse power, and blade workpiece 1 passes through cable and the pulse power
Anode connection.Electrolyte inlet 12 and electrolyte liquid outlet 13 are separately positioned on leaf basin shaped electrode 4, and leaf basin is exhausted
On the two sides of edge sealing block 15, electrolyte inlet 12 and external high pressure electrolyte piping connection.
As shown in figure 4, the insulated enclosure gland 5 on top is not shown in this figure clearly to express internal seal structure.
A kind of processing method of blade profile precision ECM shaped electrode of the present invention the following steps are included:
Blade back shaped electrode 3 and leaf basin shaped electrode 4 are installed on high-frequency narrow-pulse precision ECM lathe, and determine blade back
The relative position of shaped electrode 3 and leaf basin shaped electrode 4；
It by the assembly of blade workpiece 1 on positioning and clamping device 2, and is installed on the transfer panel of longitudinal Z axis of lathe, and really
The relative position of fixed blade and blade back shaped electrode 3；
Blade 1 is sent into the cavity between blade back shaped electrode 3 and leaf basin shaped electrode 4；
Feed shaft operation is operated, cavity is made to form seal chamber, blade 1 to be processed is enclosed in interior；
The electrolyte that electrolyte inlet 12 is connected to high pressure makes to quickly fill with Flow Field Distribution in seal chamber 17 uniformly electric
Solve liquid；
Blade back work cathode 6 and leaf basin work cathode 14 are connected by the cathode of cable and the pulse power, and blade workpiece 1 is logical
The anode for crossing cable and the pulse power connects；It works in blade back and applies voltage 5 between cathode 6, leaf basin work cathode 14 and blade 1
The pulse current that several hundred to up to ten thousand amperes of~25V, 50~1000Hz of pulse, electric current；Conduction time is 5~10 minutes, electric current
Size is determined according to the size of processing blade processing area.
After the processing for completing a vane foil, blade back shaped electrode 3, leaf basin shaped electrode 4 are retracted into safety backward
The Z axis for clamping blade 1 is raised to safe distance by distance, and the blade to be processed more renewed, circulation above-mentioned steps complete new leaf
The precision ECM in piece type face is processed.
In the present embodiment, first on high-frequency narrow-pulse precision ECM lathe, pass through its first and second HSK high-precision hydraulic
Collet 11a, 11b distinguish clamping blade back shaped electrode 3 and leaf basin shaped electrode 4；By HSK high-precision hydraulic collet 11, quickly
Position and accurately with two feed motion axis connection of lathe X1, X2, blade back shaped electrode 3 and leaf are ensured to knife pin 10 by electrode
The relative position of basin shaped electrode 4.
It by the assembly of blade workpiece 1 on positioning and clamping device 2, and is installed on the transfer panel of longitudinal Z axis of lathe, then
It carries out blade 1 and blade to determine blade workpiece 1 with respect to blade back shaped electrode 3, leaf basin shaped electrode 4 in Z on knife to knife pin 7
To the relative position with Y-direction.The cavity finally blade workpiece 1 being fed between blade back shaped electrode 3 and leaf basin shaped electrode 4
It is interior, as shown in Figure 1, guaranteeing the relative position (primary clearance) of blade 1 and blade back shaped electrode 3 and leaf basin shaped electrode 4.
Blade back work cathode 6 in blade back shaped electrode 3 and the leaf basin work cathode 14 in leaf basin shaped electrode 4, respectively
Realize the finishing to the leaf basin, blade back type face of blade 1, and design has corresponding blade front and rear edge on work cathode edge
Fillet ensure that the finishing to blade front and rear edge, as shown in Figure 4.
Blade back insulated enclosure block 8 is had in blade back shaped electrode 3 shown in Fig. 2, with groove part, the groove part
It is close with insulating in the projection section and positioning and clamping device 2 of the leaf basin insulated enclosure block 15 in leaf basin shaped electrode 4 shown in Fig. 3
Sealed cover 5 is corresponding and cooperates, and works in blade back and forms the sealing of a relative closure between cathode 6 and leaf basin work cathode 14
Blade 1 to be processed is enclosed in interior, composition sealing stabilizer structure by chamber 17 (such as Fig. 4).Electrolyte inlet 12 is connected into high pressure
Electrolyte, just quickly filled with the uniform electrolyte of Flow Field Distribution in seal chamber 17.
Rule of thumb law is calculated simultaneously primary clearance between blade back work cathode 6, leaf basin work cathode 14 and blade 1
It is optimized according to actual experiment result, precision ECM generally can reach 10 μm or so when processing.
Claims (8)
1. a kind of blade profile precision ECM shaped electrode, it is characterised in that: including blade back shaped electrode, leaf basin shaped electrode with
And positioning and clamping device, wherein positioning and clamping device is installed on the transfer panel of longitudinal Z axis of lathe, and blade workpiece is assemblied in fixed
On the clamping device of position；Blade back shaped electrode and leaf basin shaped electrode the feed motion axis connection with electrolysis machine tool X1, X2 axis respectively；
Blade back shaped electrode, the molding of leaf basin shaped electrode, form seal chamber with positioning and clamping device, blade workpiece is closed in seal chamber
In；Seal chamber is connected to by electrolyte inlet and electrolyte liquid outlet with External electrolytic liquid pipeline；
Blade back shaped electrode has blade back insulated enclosure block and blade back work cathode, which is equipped with groove,
Blade back works cathode in the middle part of blade back insulated enclosure block, and forms groove with blade back insulated enclosure block；Leaf basin shaped electrode tool
There are leaf basin insulated enclosure block and leaf basin work cathode, leaf basin works cathode in the middle part of leaf basin insulated enclosure block, works in leaf basin
There is boss between cathode and leaf basin insulated enclosure block；Positioning and clamping device is equipped with insulated enclosure gland；Groove, boss and
Insulated enclosure gland is corresponding and cooperates, and works in blade back and forms the close of a relative closure between cathode and leaf basin work cathode
Chamber is sealed, including vanes close to be processed, constitutes sealing stabilizer structure.
2. blade profile precision ECM shaped electrode according to claim 1, it is characterised in that: blade back work cathode and leaf basin
The cathode that works is connected by the cathode of cable and the pulse power, and blade workpiece is connected by the anode of cable and the pulse power.
3. blade profile precision ECM shaped electrode according to claim 1, it is characterised in that: electrolysis machine tool is to have multiaxis
High-frequency narrow-pulse precision ECM lathe, have can quickly position and respectively with two feed motion axis connection of lathe X1, X2
First and second HSK high-precision hydraulic collet, blade back shaped electrode and leaf basin shaped electrode are connected to the first and second HSK high-precision
On hydraulic chuck.
4. blade profile precision ECM shaped electrode according to claim 1, it is characterised in that: electrolyte inlet and electrolysis
Liquid liquid outlet is separately positioned on leaf basin shaped electrode, and be leaf basin insulated enclosure block two sides on, electrolyte inlet with
External high pressure electrolyte piping connection.
5. blade profile precision ECM shaped electrode according to claim 1, it is characterised in that: blade back shaped electrode front end is set
There is cathode to knife pin, the corresponding position of leaf basin shaped electrode front end is equipped with cathode to tool bore.
6. blade profile precision ECM shaped electrode according to claim 1, it is characterised in that: blade back shaped electrode top is set
There is blade to knife pin.
7. a kind of processing method of blade profile precision ECM shaped electrode, it is characterised in that the following steps are included:
Blade back shaped electrode and leaf basin shaped electrode are installed on high-frequency narrow-pulse precision ECM lathe, and determine blade back molding electricity
The relative position of pole and leaf basin shaped electrode；
It by the assembly of blade workpiece on positioning and clamping device, and is installed on the transfer panel of longitudinal Z axis of lathe, and determines blade
With the relative position of blade back shaped electrode；
Blade is sent into the cavity between blade back shaped electrode and leaf basin shaped electrode；
Feed shaft operation is operated, so that cavity is formed seal chamber, including vanes close to be processed；
The electrolyte that electrolyte inlet is connected to high pressure, makes to quickly fill with the uniform electrolyte of Flow Field Distribution in seal chamber；
Blade back work cathode and leaf basin work cathode pass through the negative connection of cable and the pulse power, and blade workpiece passes through cable and arteries and veins
Rush the anode connection of power supply；Blade back work cathode, leaf basin work cathode and blade between apply 5~25V of voltage, pulse 50~
The pulse current that several hundred to up to ten thousand amperes of 1000Hz, electric current；Conduction time is 5~10 minutes；
After the processing for completing a vane foil, blade back shaped electrode, leaf basin shaped electrode are retracted into safe distance backward, it will
The Z axis of clamping blade is raised to safe distance, the blade to be processed more renewed, and circulation above-mentioned steps complete new blade profile
Precision ECM processing；
Cavity is set to form seal chamber are as follows: the blade back insulated enclosure block in blade back shaped electrode and the leaf basin in leaf basin shaped electrode are exhausted
Insulated enclosure gland is corresponding in edge sealing block and positioning and clamping device and cooperates, in blade back work cathode and leaf basin work cathode
Between formed a relative closure seal chamber, including vanes close to be processed, constitute sealing stabilizer structure.
8. the processing method of blade profile precision ECM shaped electrode according to claim 7, it is characterised in that determine blade back
The relative position of shaped electrode and leaf basin shaped electrode are as follows:
On high-frequency narrow-pulse precision ECM lathe, the molding of clamping blade back is distinguished by its first and second HSK high-precision hydraulic collet
Electrode and leaf basin shaped electrode；
By HSK high-precision hydraulic collet, quickly positioning and accurately with two feed motion axis connection of lathe X1, X2 passes through electricity
Extremely ensure knife pin the relative position of blade back shaped electrode Yu leaf basin shaped electrode.
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| CN107999905B (en) * | 2017-11-17 | 2019-06-04 | 南京航空航天大学 | Pipe electrode abrasive grain assists multiple-grooved to be electrolysed cutting processing apparatus and method |
| CN108015368B (en) * | 2017-12-01 | 2019-03-26 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of design method of blade front and rear edge precision ECM machined electrode |
| CN109158721B (en) * | 2018-09-27 | 2020-06-12 | 中国航空制造技术研究院 | Blisk electrolytic machining method |
| CN110605446B (en) * | 2019-08-27 | 2020-10-20 | 南京航空航天大学 | Integral blade disc integrated electrolytic forming method for spatial rotation and translation cooperative motion |
| CN110370792B (en) * | 2019-08-30 | 2021-06-04 | 中国航发动力股份有限公司 | Anti-counterfeit label electrolytic hot stamping device and method for electrolytically hot stamping anti-counterfeit label by using same |
| CN110524377B (en) * | 2019-09-05 | 2021-06-04 | 扬州大学 | Turbine mortise ultrasonic-assisted precise electrolytic grinding system and method |
| CN112496478A (en) * | 2020-11-13 | 2021-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Precision electrolysis method for double-shaft neck stator blade profile |
| CN112518058A (en) * | 2020-12-23 | 2021-03-19 | 贵阳航发精密铸造有限公司 | Integral electrode and method for processing integral electrode |
| CN115780929A (en) * | 2022-12-05 | 2023-03-14 | 南京航空航天大学 | Liquid-sealed lateral-flow blisk electrolytic machining device |
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| WO1995012478A1 (en) * | 1993-11-03 | 1995-05-11 | Ufimskoe Priborostroitelnoe Proizvodstvennoe Obiedinenie | Method of manufacturing a stationary blade for the rotary shaving head of an electric razor |
| CN101502901A (en) * | 2009-03-10 | 2009-08-12 | 南京航空航天大学 | Thin electrode for electrolytic machining of integral wheel |
| CN101733491B (en) * | 2009-12-22 | 2011-06-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for electrolytically machining complex case type surface |
| CN102794516B (en) * | 2012-07-31 | 2014-05-14 | 沈阳黎明航空发动机(集团)有限责任公司 | Blisk blade profile subtle electrochemical machining electrode and machining method |
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