CN101502900B - Spacing track optimizing method of tool electrode for electrolytic machining of integral wheel - Google Patents
Spacing track optimizing method of tool electrode for electrolytic machining of integral wheel Download PDFInfo
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- CN101502900B CN101502900B CN2009100259034A CN200910025903A CN101502900B CN 101502900 B CN101502900 B CN 101502900B CN 2009100259034 A CN2009100259034 A CN 2009100259034A CN 200910025903 A CN200910025903 A CN 200910025903A CN 101502900 B CN101502900 B CN 101502900B
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Abstract
The invention relates to a space trajectory optimization method of an integral impeller electrolytic processing tool electrode and pertains to the field of electrolytic processing technology. In the processing, a tool electrode is linearly fed along the axis of an integral impeller rough cast at a certain speed V1 and rotates around a straight line in parallel with the axis of the impeller rough cast at a certain speed V2; meanwhile, the self axis of the impeller rough cast rotates at a certain angle speed V3. In the processing, the tool electrode is connected with the cathode of a power supply and the impeller rough cast is connected with the anode of the power supply; the electrolyte flows in from one end of the tool electrode and flows out from the clearance of the electrode; the impeller rough cast is continuously eroded and finally a nearly molded inter-impeller channel is obtained. According to the specific situation, different combinations of V1, V2 and V3 can be selected; according to the speed arbitration guideline of the invention, the space trajectory of the tool electrode is optimized and the inter-impeller channel has small margin and fine uniformity. The method is also applicable to the simultaneous processing of a plurality of electrodes, thus greatly increasing the processing efficiency.
Description
Technical field
The spacing track optimizing method of tool electrode for electrolytic machining of integral wheel of the present invention belongs to technical field of electrolysis processing.
Background technology
Integral wheel is one of strength member in rocket engine, aero-engine and the aviation airborne equipment, and the machining accuracy of integral wheel, crudy and working (machining) efficiency are to performance, quality and the cost important influence of product.Before the integral wheel blade profile was machined to designing requirement, the processing of passage was indispensable technology between the leaf of integral wheel.Advantage such as Electrolyzed Processing has that the range of work is wide, surface quality good, production efficiency is high, no macroscopical cutting force and tool cathode are lossless.In the processing of integral wheel, Electrolyzed Processing has embodied bigger advantage.
The people's such as B. Wei of on July 14th, 2004 bulletin Chinese patent proposes a kind of multi-axis machine that all has numerical control device on its each for No. 200310123549.1 and comes the blade geometric shape of the required motion of driven tool and workpiece with processed complex.People's such as B. Wei of on July 14th, 2004 bulletin Chinese patent proposes a kind of annular or inverted cup-shape tool-electrode for No. 200310114720.2, to approaching finally shaped shape, this tool-electrode is driven by CNC and around integral wheel rotation and location with the blade roughing of integral wheel.How these two patents all do not propose the space motion path of optimization tool electrode, and whether allowance is little and have good uniformity or the like.
The accurate generate electrochemical Machining Technology of integral wheel that in July, 2006, people such as Kang Min was published in the 37th the 7th phase of volume of agricultural mechanical journal proposes four-axle linked numerical control generating and processes integral wheel, and this method adopts electrode relatively and the impeller blank profile of processing blade do generating motion.This method only limits to process the integral wheel that the blade profile straight burr can be opened up.For the comparatively complicated integral wheel of blade profile, adopt this method processing rear blade profile blank allowance bigger and inhomogeneous, even can't process.
Existing integral wheel process technology can't satisfy the demand that products such as Aeronautics and Astronautics airborne equipment increase day by day to integral wheel, and it is imperative to study new process equipment and method.
Summary of the invention
The objective of the invention is to propose a kind of spacing track optimizing method of tool electrode for electrolytic machining of integral wheel at deficiencies such as the passage working (machining) efficiency are not high between present integral wheel leaf, processing cost is higher, allowance is big or uniformity is relatively poor.
A kind of spacing track optimizing method of tool electrode for electrolytic machining of integral wheel is characterized in that may further comprise the steps:
(1), prepares to add man-hour, the extended line of horizontal electrode axis and impeller blank axis L
0Intersect vertically,, and place the top of impeller blank, horizontal electrode end and L promptly along impeller blank radial direction
0Distance
D wherein
0Be the diameter of integral wheel, L is a length of blade, and δ is the interelectrode gap of electrode tip;
Definition impeller axis direction is the Z-direction of the coordinate system of integral wheel Electrolyzed Processing system, and electrode is determined Y direction preparing to add the X-direction of the axis direction in man-hour for this coordinate system according to Descartes's rectangular coordinate system.
(2), as required adopt one or more following motion modes compound, realize the integral wheel Electrolyzed Processing:
1., horizontal cathode straight-line feed: horizontal cathode is with speed V
1Along impeller blank axis L
0Do straight-line feed;
2., horizontal cathode swivel feeding: horizontal cathode is with angular speed V
2Around one and impeller blank axis L
0Parallel straight line L
1Rotation, straight line L
1By electrode tip, L wherein
1With L
0Distance be d, L
1Rotating shaft for tool cathode;
3., impeller blank swivel feeding: the impeller blank is with angular speed V
3Around self axis L
0Rotation;
(3), concrete space tracking is:
Definition impeller blank axis direction is the blade height direction; Impeller blank radial direction is the length of blade direction;
The first step, tool cathode is along impeller axis L
0Straight-line feed is simultaneously around straight line L
1Rotation, impeller are around self axis L
0Rotation is to process the blade back profile of first blade, V in this step
1, V
2, V
3All be not 0;
In second step, tool cathode is around self axis L
1Rotation, impeller are around self axis L
0Rotation is to process the leaf basin profile of second blade, V in this step
1=0, V
2, V
3Be not 0;
In the 3rd step, tool cathode is along impeller axis L
0Straight-line feed is simultaneously around straight line L
1Rotation, impeller are around self axis L
0Rotation is to process the leaf basin profile of second blade, V in this step
1, V
2, V
3All be not 0;
In the 4th step, tool cathode is around self axis L
1Rotation, impeller are around self axis L
0Rotation is to process the blade back profile of first blade, V in this step
1=0, V
2, V
3Be not 0;
Repeated for one, two, three, four steps, until process finishing;
(4), avoided in process cutting and guarantee to have certain horizontal surplus that this horizontal surplus was the surplus of blade profile along Y direction.
Get height * length direction in the blade back profile: A * B sampled point, Δ ab are represented the horizontal surplus of blade back each point, and wherein a is smaller or equal to A, and b is smaller or equal to B.
Get height * length direction in leaf basin profile: E * F sampled point, ε
EfThe horizontal surplus of expression leaf basin each point, wherein e is smaller or equal to E, and f is smaller or equal to F.
Arbitration criterion I: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back length direction, determine that first step medium velocity V1, V2, V3 concern;
Arbitration criterion II: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin length direction, determine that the second step medium velocity V1, V2, V3 concern;
Arbitration criterion III: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin length direction, determine that the 3rd step medium velocity V1, V2, V3 concern;
Arbitration criterion IV: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back length direction, determine that the 4th step medium velocity V1, V2, V3 concern;
Arbitration criterion V: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back short transverse, utilize to optimize algorithm simultaneously and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin short transverse, further determine in the complete process relation of concrete velocity magnitude between each step.
The spacing track optimizing method of above-mentioned tool electrode for electrolytic machining of integral wheel is characterized in that: above-mentioned optimization algorithm is the mean square deviation algorithm, promptly
In the method, N is the sampled point number, x
iBe the horizontal surplus of sampled point, the constant of C for setting.
Beneficial effect of the present invention is:
(1) tool-electrode is along impeller blank axis L
0In the time of straight-line feed around straight line L
1Rotation, impeller is around self axis L
0Therefore rotation according to the speed-optimization criterion of this method, has been optimized the space motion path of tool cathode, makes tool cathode optimally press close to the profile of blade in process, and the surplus after the processing is less and have good uniformity.
(2) this method also is applicable to the situation that a plurality of electrodes are processed simultaneously, compares with single electrode processing, but uses passage between a plurality of leaves of a plurality of electrode processing time processing, has improved the working (machining) efficiency of integral wheel significantly, for a large amount of time has been saved in subsequent fine processing.
Description of drawings
Fig. 1 is the fundamental diagram of passage Electrolyzed Processing between the integral wheel leaf.
Fig. 2 is electrode and impeller blank feeding mode schematic diagram.
Fig. 3 prepares to add negative electrode and the location diagram of blank in man-hour, and wherein scheming A is front view, and figure B is a vertical view.
Fig. 4 be electrode with respect to the feeding route schematic diagram of impeller blank (impeller around the rotation of self axis with electrode around the impeller axis with it opposite spin replace), wherein scheming A is that three-dimensional position concern schematic diagram, scheming B is that negative electrode is at cutting plane P
1Go up feeding route schematic diagram with respect to the impeller blank.
Fig. 5 is the surplus analysis chart of blade profile.
Fig. 6 is the analysis chart of negative electrode described motion process of the first step in summary of the invention 2.
Fig. 7 is that negative electrode and impeller are in plane P
2On motion analysis figure.
Fig. 8 is that negative electrode is in plane P
1On surplus analyze schematic diagram.
Label title among Fig. 1: 1, lathe translation stage, 2, tool cathode, 3, the inlet pipe joint, 4, cathode anchor, 5, the negative electrode rotary actuator, 6, impeller blank pressing plate, 7, the integral wheel blank, 8, impeller blank back shaft, 9, power supply.
Label title among Fig. 2: label and title are consistent among label 2 and Fig. 1, and 10, the leaf basin profile of integral wheel blade, 11, the blade back profile of integral wheel blade, L
0, impeller blank axis, L
1, the negative electrode rotation is (with L
0Parallel), V
1, negative electrode is along the speed of impeller blank axis direction straight-line feed, V
2, negative electrode is around L
1The speed of rotation, V
3, the impeller blank is around the speed of self axis rotation.
Label title among Fig. 3: label and title are consistent among label 2,7 and Fig. 1, and label and title are consistent among label 10,11 and Fig. 2, L
0, L
1Consistent with title among Fig. 2, D
0, the impeller blank diameter, the interelectrode gap of δ, cathode end.
Label title among Fig. 4: label and title are consistent among label 2 and Fig. 1, label 10,11 is consistent with label and title among Fig. 2, I, negative electrode is with respect to the initial processing position of impeller, II, negative electrode is with respect to the final position of impeller described motion of the first step in summary of the invention, III, negative electrode is with respect to the final position of impeller second described motion of step in summary of the invention, IV, negative electrode is with respect to the final position of impeller the 3rd described motion of step in summary of the invention, V, negative electrode is with respect to the final position of impeller the 4th described motion of step in summary of the invention, VI, negative electrode is with respect to the process finishing position of impeller, P
1, the plane vertical with X-axis.
Label title among Fig. 5: label and title are consistent among label 10,11 and Fig. 2, ε
11, ε
21, ε
31ε
E1For on the leaf basin short transverse 11,21,31 ... the horizontal surplus of E1 each point, ε
11, ε
12, ε
13ε
1FFor on the leaf basin length direction 11,12,13 ... the horizontal surplus of 1F each point.Δ
11, Δ
21, Δ
31Δ
A1For on the blade back short transverse 11,21,31 ... the horizontal surplus of A1 each point, Δ
11, Δ
12, Δ
13Δ
1BFor on the blade back length direction 11,12,13 ... the horizontal surplus of 1B each point.ε
EfBe the horizontal surplus of leaf basin profile sampled point, Δ
AbHorizontal surplus for blade back profile sampled point.
Label title among Fig. 6: label and title are consistent among label 2 and Fig. 1, P
1Consistent with title among Fig. 4, L
0, L
1Consistent with title among Fig. 2, O
1, negative electrode is in plane P
1On kernel of section, S, tool cathode straight-line feed are apart from V
1Behind the t in plane P
1On kernel of section, P
2, by some S and with the plane of impeller axis normal, O
2, negative electrode is in plane P
2Last rotation minute angle V
2Behind the t in plane P
1On kernel of section, Q
2, and O
2On same straight line that is parallel to Y-axis and in plane P
2On the blade back profile on point, Q
1, impeller blank rotation minute angle V
3Put Q behind the t
2The position, 12, the blade back profile is in plane P
2On section line, 13, impeller blank rotation minute angle V
3The position of section line 12 behind the t
Label title among Fig. 7: label and title are consistent among label 2 and Fig. 1, and label and title are consistent among label 12 and Fig. 6, L
SO2, negative electrode is around L
1Rotation minute angle V
2The arc length of t (chord length of available correspondence replaces), L
Q1Q2, the impeller blank is around self axis rotation minute angle V
3(chord length of available correspondence replaces the arc length of t, and can think and L
SO2Conllinear), O
R, the impeller blank pivot, R, the some Q
2Radius of turn, O
r, negative electrode pivot, r, the some S radius of turn, the blade root circumference of O, impeller.
Label title: O among Fig. 8
1, S, O
2, Q
1, Q
2Consistent with title among Fig. 6, the interelectrode gap of ζ, sampled point, Δ
Ab, sampled point horizontal surplus.
The specific embodiment
As shown in Figure 1, 2, add man-hour, integral wheel blank (anode) 7 connects the positive pole of power supply 9, and tool-electrode (negative electrode) 2 connects the negative pole of power supply 9.Tool cathode 2 is at the control lower edge of lathe translation stage 1 straight line L
0With speed V
1Straight-line feed, negative electrode rotary actuator 5 drives tool cathode 2 around straight line L
1Rotation is so tool cathode 2 has been realized simultaneously along straight line L
0With speed V
1Straight-line feed and around straight line L
1With angular speed V
2Rotation.Impeller blank 7 is with certain angular speed V
3Around self axis L
0Rotation, tool cathode 2 and the 7 continuous feedings of impeller blank, and keep very little gap (about 0.5mm).The temperature controller control heater heats electrolyte, and keeps constant temperature, and electrolyte enters filter and filters, and enters the processing district via pipeline.Electrolyte with certain pressure flows into from inlet pipe joint 3, from the slit high speed outflow of tool cathode 2, constantly takes away electrolysate and brings fresh electrolyte, guarantees that the stable of Electrolyzed Processing carries out.Along with the continuous feeding of tool cathode 2 and impeller blank 7, the impeller blank material is constantly by ablation, processes passage between the leaf of integral wheel at last, and allowance is little and have good uniformity.Stop feed flow, withdraw from tool cathode 2,, repeat above-mentioned steps, until processing passage between whole leaves to impeller blank 7 rotation calibration (angle θ=360 °/blade quantity).
When adopting a plurality of electrodes to add man-hour simultaneously, method is similar to the above.
Below in conjunction with Fig. 1,2,3,4,5,6,7, the implementation process of process in detail:
1, with reference to figure 2,3, definition impeller axis direction is the Z-direction of the coordinate system of integral wheel Electrolyzed Processing system, and electrode is determined Y direction preparing to add the X-direction of the axis direction in man-hour for this coordinate system according to Descartes's rectangular coordinate system.
(1), prepares to add man-hour, the extended line of horizontal electrode axis and impeller blank axis L
0Intersect vertically,, and place the top of impeller blank, horizontal electrode end and L promptly along impeller blank radial direction
0Distance
D wherein
0Be the diameter of integral wheel, L is a length of blade, and δ is the interelectrode gap of electrode tip;
(2), as required adopt one or more following motion modes compound, realize the integral wheel Electrolyzed Processing:
1., horizontal cathode straight-line feed: horizontal cathode is with speed V
1Along impeller blank axis L
0Do straight-line feed;
2., horizontal cathode swivel feeding: horizontal cathode is with angular speed V
2Around one and impeller blank axis L
0Parallel straight line L
1Rotation, straight line L
1By electrode tip, L wherein
1With L
0Distance be d, L
1Rotating shaft for tool cathode;
3., impeller blank swivel feeding: the impeller blank is with angular speed V
3Around self axis L
0Rotation.
2, with reference to figure 4, definition impeller blank axis direction is the blade height direction; Impeller blank radial direction is the length of blade direction;
The first step, tool cathode is along impeller axis L
0Straight-line feed is simultaneously around straight line L
1Rotation, impeller are around self axis L
0Rotation is to process the blade back profile of first blade, V in this step
1, V
2, V
3All be not 0;
In second step, tool cathode is around self axis L
1Rotation, impeller are around self axis L
0Rotation is to process the leaf basin profile of second blade, V in this step
1=0, V
2, V
3Be not 0;
In the 3rd step, tool cathode is along impeller axis L
0Straight-line feed is simultaneously around straight line L
1Rotation, impeller are around self axis L
0Rotation is to process the leaf basin profile of second blade, V in this step
1, V
2, V
3All be not 0;
In the 4th step, tool cathode is around self axis L
1Rotation, impeller are around self axis L
0Rotation is to process the blade back profile of first blade, V in this step
1=0, V
2, V
3Be not 0;
Repeated for one, two, three, four steps,, and take number of repetition to obtain best processing effect as required until process finishing.
3,, avoided in process cutting and guarantee to have certain horizontal surplus that this horizontal surplus was the surplus of blade profile along Y direction with reference to figure 5.
Get height * length direction in the blade back profile: A * B sampled point, Δ ab are represented the horizontal surplus of blade back each point, and wherein a is smaller or equal to A, and b is smaller or equal to B.
Get height * length direction in leaf basin profile: E * F sampled point, ε ef are represented the horizontal surplus of leaf basin each point, and wherein e is smaller or equal to E, and f is smaller or equal to F.
Arbitration criterion I: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back length direction, determine that first step medium velocity V1, V2, V3 concern;
Arbitration criterion II: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin length direction, determine that the second step medium velocity V1, V2, V3 concern;
Arbitration criterion III: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin length direction, determine that the 3rd step medium velocity V1, V2, V3 concern;
Arbitration criterion IV: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back length direction, determine that the 4th step medium velocity V1, V2, V3 concern;
Arbitration criterion V: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back short transverse, utilize to optimize algorithm simultaneously and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin short transverse, further determine in the complete process relation of concrete velocity magnitude between each step.
Above-mentioned optimization algorithm is the mean square deviation algorithm, promptly
In the method, N is the sampled point number, x
iBe the horizontal surplus of sampled point, the constant of C for setting.
4, with reference to figure 6,7,8, in small scope, regard compound motion as feeding successively, order is: negative electrode straight-line feed, negative electrode swivel feeding, impeller blank swivel feeding, the account form of the horizontal surplus Δ of arbitrfary point blade back ab is as follows:
(1), gets a plane P that is parallel to impeller blank axis
1, this plane is perpendicular to the X-axis of rectangular coordinate system, and negative electrode passes this plane, and the note negative electrode is in plane P
1Last cross-section center is O
1
(2), during the negative electrode straight-line feed: negative electrode along impeller blank axis direction straight-line feed apart from V
1T, this moment, negative electrode was in plane P
1On cross-section center be designated as S;
(3), during the negative electrode swivel feeding: note by a S and with the plane of impeller axis normal be P
2, negative electrode is in plane P
2Last rotation minute angle V
2Behind the t, this moment, negative electrode was in plane P
1On cross-section center be designated as O
2, the radius of turn of some S is designated as r and known, L
SO2Length be rV
2T;
(4), during impeller blank swivel feeding: in plane P
2Go up and and O
2Point on the blade back profile on same the straight line that is parallel to Y-axis is designated as Q
2, note point Q
2At impeller rotation minute angle V
3After the t is Q
1, this radius of turn is for being designated as R, and known, L
Q1Q2Length be RV
3T;
(5), in small scope, the some S, O
2, Q
1, Q
2Can think and be located on the same line L
O1S, L
O1Q2, L
SQ2Formation is with L
O1Q2Be the right angled triangle of hypotenuse, wherein L
O1Q2Known;
(6)、
(7), Δ ab=L
Q1O2-ζ, wherein ζ is the interelectrode gap of sampled point
The horizontal surplus ε of each sampled point of leaf basin
EfAccount form and aforesaid way similar.
Claims (2)
1. the spacing track optimizing method of a tool electrode for electrolytic machining of integral wheel is characterized in that may further comprise the steps:
(1), prepares to add man-hour, the extended line of horizontal electrode axis and impeller blank axis L
0Intersect vertically,, and place the top of impeller blank, horizontal electrode end and L promptly along impeller blank radial direction
0Distance
D wherein
0Be the diameter of integral wheel, L is a length of blade, and δ is the interelectrode gap of electrode tip;
Definition impeller axis direction is the Z-direction of the coordinate system of integral wheel Electrolyzed Processing system, and electrode is determined Y direction preparing to add the X-direction of the axis direction in man-hour for this coordinate system according to Descartes's rectangular coordinate system;
(2), as required adopt one or more following motion modes compound, realize the integral wheel Electrolyzed Processing:
1., horizontal cathode straight-line feed: horizontal cathode is with speed V
1Along impeller blank axis L
0Do straight-line feed;
2., horizontal cathode swivel feeding: horizontal cathode is with angular speed V
2Around one and impeller blank axis L
0Parallel straight line L
1Rotation, straight line L
1By electrode tip, L wherein
1With L
0Distance be d, L
1Rotating shaft for tool cathode;
3., impeller blank swivel feeding: the impeller blank is with angular speed V
3Around self axis L
0Rotation;
(3), concrete space tracking is:
Definition impeller blank axis direction is the blade height direction; Impeller blank radial direction is the length of blade direction;
The first step, tool cathode is along impeller axis L
0Straight-line feed is simultaneously around straight line L
1Rotation, impeller are around self axis L
0Rotation is to process the blade back profile of first blade, V in this step
1, V
2, V
3All be not 0;
In second step, tool cathode is around self axis L
1Rotation, impeller are around self axis L
0Rotation is to process the leaf basin profile of second blade, V in this step
1=0, V
2, V
3Be not 0;
In the 3rd step, tool cathode is along impeller axis L
0Straight-line feed is simultaneously around straight line L
1Rotation, impeller are around self axis L
0Rotation is to process the leaf basin profile of second blade, V in this step
1, V
2, V
3All be not 0;
In the 4th step, tool cathode is around self axis L
1Rotation, impeller are around self axis L
0Rotation is to process the blade back profile of first blade, V in this step
1=0, V
2, V
3Be not 0;
Repeated for one, two, three, four steps, until process finishing;
(4), avoided in process cutting and guarantee to have certain horizontal surplus that this horizontal surplus was the surplus of blade profile along Y direction;
Get height * length direction in the blade back profile: A * B sampled point, Δ ab are represented the horizontal surplus of blade back each point, and wherein a is smaller or equal to A, and b is smaller or equal to B;
Get height * length direction in leaf basin profile: E * F sampled point, ε
EfThe horizontal surplus of expression leaf basin each point, wherein e is smaller or equal to E, and f is smaller or equal to F;
Arbitration criterion I: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back length direction, determine that first step medium velocity V1, V2, V3 concern;
Arbitration criterion II: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin length direction, determine that the second step medium velocity V1, V2, V3 concern;
Arbitration criterion III: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin length direction, determine that the 3rd step medium velocity V1, V2, V3 concern;
Arbitration criterion IV: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back length direction, determine that the 4th step medium velocity V1, V2, V3 concern;
Arbitration criterion V: utilize and optimize algorithm and make that the horizontal surplus of each point is evenly distributed on the first blade blade back short transverse, utilize to optimize algorithm simultaneously and make that the horizontal surplus of each point is evenly distributed on the second blade and blade basin short transverse, further determine in the complete process relation of concrete velocity magnitude between each step.
2. the spacing track optimizing method of tool electrode for electrolytic machining of integral wheel according to claim 1, it is characterized in that: above-mentioned optimization algorithm is the mean square deviation algorithm, promptly
In the method, N is the sampled point number, x
iBe the horizontal surplus of sampled point, the constant of C for setting.
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CN109277655B (en) * | 2018-09-12 | 2020-02-21 | 南京航空航天大学 | Electrolytic spraying processing device and method for multi-pattern hollowed-out thin sheet metal band |
CN110153517B (en) * | 2019-04-23 | 2024-04-26 | 南京航浦机械科技有限公司 | Numerical control generating processing method of special-shaped channel vortex device and special electrode clamping device thereof |
CN110605445B (en) * | 2019-08-16 | 2020-08-21 | 南京航空航天大学 | Electrochemical machining method for non-uniform-speed double-rotation blisk cascade channel |
CN112975012B (en) * | 2021-03-11 | 2022-05-03 | 南京航空航天大学 | Voltage regulation-based conical hub blisk multi-blade cascade electrolysis device and method |
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