阅读说明：本技术 一种精密电解加工阴极位置一致性的设计方法 (A kind of design method of precision ECM processing cathode site consistency ) 是由 陈文亮 王福平 吴晓锋 雷晓晶 胡思嘉 李元 任景刚 黄楚芃 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种精密电解加工阴极位置一致性的设计方法,在传统的工具阴极上加设了定位销,在电解设备上增加了阴极标准块装置,通过带有定位销的工具阴极与阴极标准块装置的对刀操作,记下电解设备X轴、Y轴及Z轴的标准坐标值,以后再进行工具阴极的重新安装时,以此标准值为判断基准,通过新产生的X轴、Y轴及Z轴的对刀值与标准坐标值分别进行比对,如果三者差值均小于0.05,则认为工具阴极位置一致性良好,否则就需要重新安装,直至满足要求。本方法可以对工具阴极在进行零件加工前在电解设备上三维空间安装位置的一致性进行控制,避免由于工具阴极与设备连接部位由于任何因素的影响而导致工具阴极安装的不一致。(The invention discloses a kind of design methods of precision ECM processing cathode site consistency, positioning pin has been added on traditional tool cathode, cathode standard block assembly is increased on electrolysis installation, pass through the aim at tool operation of tool cathode and cathode standard block assembly with positioning pin, write down electrolysis installation X-axis, the standard coordinate value of Y-axis and Z axis, carry out when reinstalling of tool cathode again later, it is to judge benchmark with this standard value, pass through newly generated X-axis, knife value is compared with standard coordinate value respectively for Y-axis and Z axis, if three's difference is respectively less than 0.05, then think that tool cathode location consistency is good, otherwise with regard to needing to reinstall, until meeting the requirements.This method can the consistency of three-dimensional space installation site on electrolysis installation controls before carrying out part processing to tool cathode, avoids leading to the inconsistent of tool cathode installation due to the influence of any factor with apparatus connecting unit position due to tool cathode.)

1. a kind of design method of precision ECM processing cathode site consistency, which comprises the following steps:

1) Design Orientation pin (2) and cathode standard block assembly (3):

Positioning pin (2) is installed on tool cathode (1), and cathode standard block assembly (3) cooperates when being used for tool cathode (1) to knife It uses；

2) tool cathode (1) with positioning pin (2) is installed in the X-axis of electrolysis installation, cathode standard block assembly (3) installation In on the main shaft of electrolysis installation；

3) tool cathode (1) with positioning pin (2) and cathode standard block assembly (3) are subjected to aim at tool operation, measure positioning pin (2) the standard value X0 of X-direction, positioning pin (2) standard value Y0 in the Y direction and positioning pin (2) Z-direction standard value Z0:

4) it after dismantling tool cathode (1) from electrolysis installation, if next time carries out reinstalling for tool cathode (1), repeats Above-mentioned steps 2)~3), obtain new X-axis to knife value X1, new Y-axis to knife value Y1 and new Z axis to knife value Z1；

5) knife value X1, Y1, Z1 are compared and analyzed with standard value X0, Y0, Z0 respectively by new:

If ︱≤0.05 ︱ X1-X0, and ︱≤0.05 ︱ Y1-Y0, and ︱≤0.05 ︱ Z1-Z0 then judge tool cathode (1) position one Cause property is good；If there is any one value > 0.05 in ︱ X1-X0 ︱, ︱ Y1-Y0 ︱, ︱ Z1-Z0 ︱, tool cathode (1) position is judged It is poor to set consistency, then reinstalls tool cathode (1), until meeting the requirement of the consistency of tool cathode (1) position.

2. the design method of precision ECM processing cathode site consistency according to claim 1, which is characterized in that step 3) in, detailed process of measurement positioning pin (2) in the standard value X0 of X-direction are as follows:

When electrolysis installation C axle position is in 90 °, electrolysis installation X-axis is carried out with the Left-side center position of cathode standard block assembly (3) Automatic tool preset operation, when being in contact on the left of the positioning pin (2) of tool cathode (1) and cathode standard block assembly (3), electrolysis The flashing of equipment shorted lamp, writes down the coordinate value of current electrolysis installation X-axis, as standard value X0 of the positioning pin (2) in X-direction.

3. the design method of precision ECM processing cathode site consistency according to claim 1, which is characterized in that step 3) in, the detailed process of the standard value Y0 of measurement positioning pin (2) in the Y direction are as follows:

When electrolysis installation C axle position is in 90 °, the positioning pin center of tool cathode (1) is moved to cathode standard block assembly (3) Center carries out automatic tool preset operation to electrolysis installation Y-axis with the front side centre of cathode standard block assembly (3), works as work When being in contact on front side of the positioning pin (2) and cathode standard block assembly (3) for having cathode (1), the flashing of electrolysis installation shorted lamp, note The coordinate value of current electrolysis installation Y-axis down, as the standard value Y0 of positioning pin (2) in the Y direction.

4. the design method of precision ECM processing cathode site consistency according to claim 1, which is characterized in that step 3) in, detailed process of measurement positioning pin (2) in the standard value Z0 of Z-direction are as follows:

When electrolysis installation C axle position is in 90 °, the positioning pin center of tool cathode (1) is moved to cathode standard block assembly (3) Center carries out automatic tool preset operation to electrolysis installation Z axis with the lower central part of cathode standard block assembly (3), works as work When being in contact below the positioning pin (2) and cathode standard block assembly (3) for having cathode (1), the flashing of electrolysis installation shorted lamp, note The coordinate value of current electrolysis installation Z axis down, as standard value Z0 of the positioning pin (2) in Z-direction.

5. the design method of precision ECM processing cathode site consistency according to claim 3 or 4, which is characterized in that Positioning pin (2) center of tool cathode (1) is moved to the center of cathode standard block assembly (3) specifically:

The X of mobile electrolysis installation X-axis is to coordinate value to X0+W/2+D/2, and wherein W is the width value of cathode standard block assembly (3), D For the diameter value of positioning pin.

6. the design method of precision ECM processing cathode site consistency according to claim 1, which is characterized in that in yin The quasi- block assembly of pole marks (3) one end opens up mounting hole (31), the other end be machined with for tool cathode (1) to knife to knife end (32)。

7. the design method of precision ECM processing cathode site consistency according to claim 1, which is characterized in that step 2) in, tool cathode (1) is installed in electrolysis installation X-axis using HSK joint form.

8. the design method of precision ECM processing cathode site consistency according to claim 1, which is characterized in that tool Contact gap≤0.03mm of cathode (1) and electrolysis installation X-axis end face.

9. the design method of precision ECM processing cathode site consistency according to claim 1, which is characterized in that step 2) in, the installation process of cathode standard block assembly (3) specifically: it is vertical to carry out the left side plane of cathode standard block assembly (3) It evens up, then cathode standard block assembly (3) is fixed.

10. the design method of precision ECM processing cathode site consistency according to claim 9, which is characterized in that adopt The left side plane of cathode standard block assembly (3) is evened up vertically with dial gauge or amesdial.

Technical field

The invention belongs to precision ECM processing technique fields, and in particular to a kind of precision ECM processing cathode site consistency Design method.

Background technique

Integral blade disk is one of the core component of forth generation and the above aero-engine of forth generation, since which employs disk bodies Wheel hub and the integrated structure design form of blade, eliminate air-flow in traditional blades and wheeling disk structure and escape in tenon and tongue-and-groove Loss caused by stream, improves the working efficiency of aero-engine, further improves the promotion ratio of engine, whole at present The manufacturing process of leaf dish is mainly based on milling and Electrolyzed Processing, and as NC technology application is since Electrolyzed Processing, essence Close Electrolyzed Processing increasingly becomes mainstream machining processes both domestic and external, precision ECM processing lossless, surface quality with tool Many advantages, such as good, high in machining efficiency, the range of work is wide, played an important role in the manufacture of integral blade disk, but accurate Electrolytic processing process does not account for the consistency of cathode installation space position when doing engineer testing early period, cause to process part production Raw waste product, so now in view of the conformance requirement of processing different parts before and after guaranteeing, it is necessary to consistent to cathode installation site Property judged, how to ensure the consistency of three-dimensional space cathode site be hinder precision ECM processing technology engineering application One of major influence factors, therefore need to carry out consistency checking to the cathode site of three-dimensional space, it is whole to promote aero-engine Body leaf dish precision ECM processing technology is engineered application level, improves aero-engine's overall blade precision ECM processing technology Maturity.

Summary of the invention

The purpose of the present invention is to provide a kind of design methods of precision ECM processing cathode site consistency, it is ensured that essence The consistency of close Electrolyzed Processing three-dimensional space cathode site.

The present invention is to be achieved through the following technical solutions:

A kind of design method of precision ECM processing cathode site consistency, comprising the following steps:

1) Design Orientation pin and cathode standard block assembly:

Positioning pin is installed on tool cathode, and cathode standard block assembly is used cooperatively when being used for tool cathode to knife；

2) tool cathode with positioning pin is installed in the X-axis of electrolysis installation, cathode standard block assembly is installed on electricity On the main shaft for solving equipment；

3) by tool cathode and cathode standard block assembly progress aim at tool operation with positioning pin, positioning pin is measured in the side X To standard value X0, positioning pin standard value Y0 in the Y direction and positioning pin Z-direction standard value Z0:

4) after dismantling tool cathode from electrolysis installation, if next time carries out reinstalling for tool cathode, in repetition State step 2)~3), obtain new X-axis to knife value X1, new Y-axis to knife value Y1 and new Z axis to knife value Z1；

5) knife value X1, Y1, Z1 are compared and analyzed with standard value X0, Y0, Z0 respectively by new:

If ︱≤0.05 ︱ X1-X0, and ︱≤0.05 ︱ Y1-Y0, and ︱≤0.05 ︱ Z1-Z0, then judge tool cathode position Consistency is good；If there is any one value > 0.05 in ︱ X1-X0 ︱, ︱ Y1-Y0 ︱, ︱ Z1-Z0 ︱, tool cathode position is judged Consistency is poor, then reinstalls tool cathode, until meeting the requirement of the consistency of tool cathode position.

Further, in step 3), detailed process of the measurement positioning pin in the standard value X0 of X-direction are as follows:

When electrolysis installation C axle position is in 90 °, with the Left-side center position of cathode standard block assembly to electrolysis installation X-axis into The operation of row automatic tool preset, when being in contact on the left of the positioning pin of tool cathode and cathode standard block assembly, electrolysis installation is short Street lamp flashing, writes down the coordinate value of current electrolysis installation X-axis, as standard value X0 of the positioning pin in X-direction.

Further, in step 3), the detailed process of the standard value Y0 of measurement positioning pin in the Y direction are as follows:

When electrolysis installation C axle position is in 90 °, the positioning pin center of tool cathode is moved in cathode standard block assembly Heart position carries out automatic tool preset operation to electrolysis installation Y-axis with the front side centre of cathode standard block assembly, works as tool cathode Positioning pin and cathode standard block assembly on front side of when being in contact, current electrolysis installation Y is write down in the flashing of electrolysis installation shorted lamp The standard value Y0 of the coordinate value of axis, as positioning pin in the Y direction.

Further, in step 3), detailed process of the measurement positioning pin in the standard value Z0 of Z-direction are as follows:

When electrolysis installation C axle position is in 90 °, the positioning pin center of tool cathode is moved in cathode standard block assembly Heart position carries out automatic tool preset operation to electrolysis installation Z axis with the lower central part of cathode standard block assembly, works as tool cathode Positioning pin and cathode standard block assembly below when being in contact, current electrolysis installation Z is write down in the flashing of electrolysis installation shorted lamp The standard value Z0 of the coordinate value of axis, as positioning pin in Z-direction.

Further, the positioning pin center of tool cathode (1) is moved to the center of cathode standard block assembly specifically:

The X of mobile electrolysis installation X-axis is to coordinate value to X0+W/2+D/2, and wherein W is the width value of cathode standard block assembly, D is the diameter value of positioning pin.

Further, open up mounting hole in cathode standard block assembly one end, the other end be machined with for tool cathode to knife To knife end.

Further, in step 2), tool cathode is installed in electrolysis installation X-axis using HSK joint form.

Further, contact gap≤0.03mm of tool cathode and electrolysis installation X-axis end face.

Further, in step 2), the installation process of cathode standard block assembly specifically: by the left side of cathode standard block assembly Plane is evened up vertically, and then cathode standard block assembly is fixed.

Further, the left side plane of cathode standard block assembly is evened up vertically using dial gauge or amesdial.

Compared with prior art, the invention has the following beneficial technical effects:

The design method of precision ECM processing cathode site consistency disclosed by the invention, adds on traditional tool cathode If positioning pin, cathode standard block assembly is increased on electrolysis installation, pass through tool cathode and cathode mark with positioning pin The aim at tool operation of quasi- block assembly writes down the coordinate value of electrolysis installation X-axis, Y-axis and Z axis, obtain positioning pin X-direction, Y-direction and The standard value of Z-direction carries out when reinstalling of tool cathode again later, is to judge benchmark with this standard value, by newly generating X-axis, Y-axis and Z axis knife value is compared respectively with standard value, if three's difference is respectively less than 0.05, then it is assumed that tool Cathode site consistency is good, otherwise with regard to needing to reinstall, until meeting the requirements.It can be existed to tool cathode using this method It carries out the preceding consistency of three-dimensional space installation site on electrolysis installation of part processing to be controlled, it is ensured that tool cathode is to electrolysis The three-dimensional space position of equipment it is controllable, avoid leading with apparatus connecting unit position due to the influence of any factor due to tool cathode The inconsistent of tool cathode installation is caused, and eventually leads to unqualified and processing the part quality of part after tool cathode processing Uncontrollable problem guarantees that aero-engine's overall blade precision ECM processing technology can be realized engineering application.

Further, it is machined with mounting hole on cathode standard block assembly and to knife end, mounting hole is used to the master with electrolysis installation Axis is installed, and wants high to knife end machining accuracy, it is ensured that repeat the consistency to knife process plane each position.

Further, tool cathode is installed in electrolysis installation X-axis using HSK joint form, and precision is high, easy to operate.

Further, tool cathode and the contact gap of electrolysis installation X-axis end face require to be no more than 0.03mm, ensure that tool The accuracy of the relative mounting location of cathode and electrolysis installation, it is unqualified that gap will lead to greatly very much the product processed.

Detailed description of the invention

Fig. 1 is the mounting structure schematic diagram of positioning pin and tool cathode；Wherein figure (a) is front view, and figure (b) is to overlook Figure, figure (c) are right view；

Fig. 2 is the structural schematic diagram of cathode standard block assembly；

Fig. 3 is cathode standard block assembly and tool cathode X-axis to knife process schematic；

Fig. 4 is cathode standard block assembly and tool cathode Y-axis to knife process schematic；

Fig. 5 is cathode standard block assembly and tool cathode Z axis to knife process schematic.

Wherein, 1 is tool cathode, and 2 be positioning pin, and 3 be cathode standard block assembly, and 31 be mounting hole, and 32 is to knife ends.

Specific embodiment

Below with reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and It is not to limit.

When being processed using the processing method of precision ECM to aero-engine's overall blade blade, tool cathode The detailed step for repeating the three-dimensional space position consistency checking method of installation is as follows:

1) Design Orientation pin 2:

Design one positioning pin 2 with three-dimensional space position to knife is needed on tool cathode 1, positioning pin 2 requires processing Precision is high, 2 extending tool cathode of positioning pin, 1 surface certain length, convenient for the grasping to knife to positioning pin 2 of cathode standard block assembly 3 Make；The diameter of phi of positioning pin is 6mm, and the length that positioning pin stretches out cathode surface is 16mm；

2) cathode standard block assembly 3 is designed:

Cathode standard block assembly 3 should be able to be fixedly installed on electrolysis installation main shaft, therefore in 3 one end of cathode standard block assembly Mounting hole 31 is opened up, is attached by mounting hole 31 and electrolysis installation main shaft；It is machined in 3 other end of cathode standard block assembly For with tool cathode 1 to knife to knife end 32, each axis corresponding to knife end 32 will get well knife flatness, it is ensured that repeat to knife The consistency of process plane each position；

3) tool cathode 1 with positioning pin 2 is installed in the X-axis of electrolysis installation, cathode standard block assembly 3 is installed on On the main shaft of electrolysis installation；

4) measurement of the positioning pin in the standard value X0 of X-direction:

When C=90 °, Z=-450, Y=-48 of electrolysis installation coordinate, with the Left-side center position of cathode standard block assembly 3 Automatic tool preset operation is carried out to the X-axis of electrolysis installation, when the left side of 1 positioning pin of tool cathode and cathode standard block assembly 3 occurs When contact, the coordinate value of current electrolysis installation X-axis, as standard value of the positioning pin 2 in X-direction are write down in the flashing of equipment shorted lamp X0=-276.871；

5) measurement of the standard value Y0 of positioning pin in the Y direction:

When C=90 ° of electrolysis installation coordinate, Z=-460, the positioning pin center of tool cathode 1 is moved to cathode standard (X of mobile electrolysis installation X-axis is to coordinate value to X0+W/2+D/2=-276.871+178/2+ for the center of block assembly 3 5.94/2=-184.901, wherein W is the width actual value of cathode standard block assembly 3, and D is the diameter actual value of positioning pin 2), Automatic tool preset operation is carried out with Y-axis of the front side centre of cathode standard block assembly 3 to tool cathode 1, when tool cathode 1 is fixed When position pin and the front side of cathode standard block assembly 3 are in contact, current electrolysis installation Y-axis is write down in the flashing of electrolysis installation shorted lamp Coordinate value, the as standard value Y0=-65.319 of positioning pin 2 in the Y direction；

6) measurement of the positioning pin 2 in the standard value Z0 of Z-direction:

When C=90 ° of electrolysis installation coordinate, Y=-48, the positioning pin center of tool cathode 1 is moved to cathode calibrated bolck (X of mobile electrolysis installation X-axis is to coordinate value to X0+W/2+D/2=-276.871+178/2+5.94/2 for the center of device 3 =-184.901, wherein W is the width actual value of cathode standard block assembly 3, and D is the diameter actual value of positioning pin 2), use cathode The lower central part of standard block assembly 3 carries out automatic tool preset operation to tool cathode 1Z axis, when 1 positioning pin of tool cathode and yin When the lower section of the quasi- block assembly 3 of pole marks is in contact, the coordinate value of current electrolysis installation Z axis is write down in the flashing of electrolysis installation shorted lamp, As standard value Z0=-466.136 of the positioning pin 2 in Z-direction；；

7) after tool cathode 1 is determined with respect to the standard value of electrolysis installation, need to optimize equipment machining locus and parameter, After track and parameter optimization are good, qualified products can be just processed, later every secondary cathode can process qualification mounted in same position Product.

Engineer testing is carried out using precision ECM processing technology technological parameter, until technique meets design requirement, by tool After cathode 1 is dismantled, reinstall, repeated the above steps 3)~6 if carrying out tool cathode 1 next time), obtained new X, Y, Z axis to knife value, X1=-276.866, Y1=-65.297, Z1=-466.139；

8) standard value X0, Y0, Z0 by new X, Y, Z axis to knife value respectively with X-axis, Y-axis, Z axis are compared point Analysis, ︱ X1-X0 ︱=︱ -276.866- (- 276.871) ︱=0.005≤0.05, ︱ Y1-Y0 ︱=︱ -65.297- (- 65.319) ︱= 0.022≤0.05, ︱ Z1-Z0 ︱=︱ -466.139- (- 466.136) ︱=0.003≤0.05, it may be considered that tool cathode 1 is pacified Holding position consistency is preferable, can satisfy the three-dimensional space position consistency of tool cathode 1, can be realized precision ECM processing skill The engineering application of art.

More preferably, tool cathode 1 is installed in the X-axis of electrolysis installation using HSK joint form, and with clearance gauge plug tool The contact gap of cathode 1 and electrolysis installation X-axis end face, it is desirable that contact gap value≤0.03mm.

Cathode standard block assembly 3 is installed on the main shaft of electrolysis installation, and uses amesdial or dial gauge by cathode mark The left side plane of quasi- block assembly 3 is evened up vertically, and finally cathode standard block assembly 3 is fixed using screw.

Using judgment method of the invention, the quick positioning of implementation tool cathode three-dimensional space position improves Electrolyzed Processing The engineering level of application of technology improves the qualification rate of integral blade disk processing, shortens the process-cycle of integral blade disk, reduces whole The processing cost of leaf dish.