CN102880116B - Data acquisition and optimization method for laser processing of multiwave group holes - Google Patents
Data acquisition and optimization method for laser processing of multiwave group holes Download PDFInfo
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- CN102880116B CN102880116B CN201210306654.8A CN201210306654A CN102880116B CN 102880116 B CN102880116 B CN 102880116B CN 201210306654 A CN201210306654 A CN 201210306654A CN 102880116 B CN102880116 B CN 102880116B
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Abstract
The invention relates to a data acquisition and optimization method for laser processing of multiwave group holes. The acquisition method comprises the steps of acquiring by the selection modes of all holes on a conducting surface of UG software and storing a file with the extension name of '.txt'. The optimization method comprises the following steps: (1), opening the stored file with the extension name of '.txt' by using WORD software; (2), performing WORD edition for the first time; (3), performing optimal sequencing; (4), performing optimal operation; and (5), arranging into a processing program file. The invention particularly provides the data acquisition and optimization method for laser processing of the multiwave group holes, which solves the problems of high-efficiency programming and high-efficiency processing of the multiwave group hole processing program, successfully finishes multi-ring wave heat screen micro group holes and high-efficiency laser processing, and has the advantages of high processing efficiency and low cost.
Description
Technical field
The present invention relates to the optimization in Laser Processing multiburst hole, be specifically related to a kind of data acquisition and optimization method for Laser Processing multiburst hole.
Background technology
Aeroengine thrust augmentation cylindrical shell thermoscreen is the complicated drawing part of thin-wall boards, and typical part schematic diagram as shown in Figure 1.It is shaped as many ring wave taper fan-shaped section, large end radius 509.25mm, small end radius 434.2mm, part length 1006.2mm, segment angle is 45 °, and in part profile, being distributed with more than 10,000 diameter is only the smile gas modular group hole of 1mm, and the normal direction in these holes of designing requirement is all perpendicular to part profile, therefore volume coordinate point and the space angle in each hole on it are all not identical, and what process this kind of part employing is the laser equipment of five coordinates.
During the hole of the part of Laser Processing normal tape shape face, the quantity in hole is below ten, for guaranteeing the safety of part and equipment, adopt the standard leapfrog mode of leapfrog between hole, after a upper hole machines, adopt withdrawing at a certain distance, can fall back on home, run to fast next hole site, with the safe speed of setting, track the indirect leapfrog mode of piece surface.The standard leapfrog time of several seconds, little for total working (machining) efficiency impact of part, can accept, so can not consider program optimization.And the part of group hole processing.As afterburning cylindrical shell thermoscreen part, on a part, there are 13660 holes, aperture is 1mm.In test, add man-hour, the time in a hole of Laser Processing is 0.4 second, and the leapfrog time of leapfrog mode is 6.2 seconds indirectly, and total time is 6.6 seconds.With the leapfrog time of the direct leapfrog mode of withdrawing is not 0.3 second.Be 0.7 second total process time, and working (machining) efficiency differs nearly 10 times, therefore, adopts necessary program optimization, can save a large amount of time.
For the part with profile, adopt the mode of direct leapfrog, the processing sequence in hole is that row's direction is sequentially processed along ripple direction.During the row of jumping, adopt three-back-shaped reciprocal leapfrog track to process, although the softwares such as UG have multiple track optimizing mode, can not realize the specific (special) requirements of the sequence of many ring wave group hole data, therefore, need to invent a kind of data acquisition for Laser Processing multiburst hole and the method for optimization.
Summary of the invention
On the part of many rings wave group hole, have quantity very many need five coordinate Laser Processings with piece surface normal direction group hole, during programming, for improving working (machining) efficiency, need to adopt three-back-shaped reciprocal leapfrog track to process, technical matters to be solved by this invention is the sequencing problem of group hole data.
It is a kind of data acquisition and optimization method for Laser Processing multiburst hole that the present invention solves the technical scheme that its timely problem adopts, wherein,
The step of described acquisition method is:
(1), with UG graphics software, open or draw the three-dimensional model diagram of part, be transformed into cooked mode;
(2) creation procedure, selects drill type; Create cutter, select SPOTFACING_TOOL subtype; Create primitives, select MCS subtype; Establishment machining coordinate system, during establishment, Y-axis is along ripple rib direction; Creation procedure, selects DRILLING subtype, and cutter shaft is perpendicular to parts surface, effective with Arc Axial, and cyclical patterns is chosen as nothing, with selection mode porose on face, gathers; Click to generate and list, by listing file selecting paths degree and give a name, save as the file of expansion " .txt " by name, complete the collection of data
The step of described optimization method is:
(1), with WORD software, open the file of the expansion by name " .txt " of preservation, by row head, be not to delete with the row of " GOTO/ "; With replacement instrument, " GOTO/ " deleted, ", " replaced with " ^t ";
(2) full choosing clips to blank Microsoft Excel, in Microsoft Excel, form 6 row multirow data, from left to right, A classifies the X coordinate data in hole as, and B classifies the Y coordinate data in hole as, and C classifies the Z coordinate data in hole as, D classifies the X-direction vector data in hole as, E is the Y-direction vector data in hole, and the Z-direction vector data that F is hole, completes WORD and edit for the first time;
(3), with EXCEL software, carry out computing and the optimization of data, choose B row, with " expansion selection area " descending sort, then choose A row, with " expansion selection area " descending sort "; Input " 0 " in G1, H1, I1, J1 unit, input " 1 " in K1 cell; Input "=IF (A1-A2=0,0,1) " in G2 cell, input "=G2+H1 " in H2 cell, in I2 cell input "=MOD (H2,2) ", in J2 cell input "=IF (I2=0; J1+1, J1-1) ", in K2 cell input "=H2*10000+J2 "; Choose G2～K2 cell, be filled into row end; With " expansion selection area " descending sort of K2 row, delete G～K row, complete Optimal scheduling;
(4), five coordinates need angle data time the projection of vector on XY face and the angle of vector and XY face, during D～F is listed as at present data, X～X-direction vector data, need carry out computing; Before being listed as, inserts D two blank columns, input " IF (IF (F10; 0, IF (G1=0 ,-90; ATAN (F1/G1) * 180/PI ())) >0; IF (IF (F10,0, IF (G1=0 ;-90; ATAN (F1/G1) * 180/PI ()))-180, IF (IF (F10,0 in D1 cell, IF (G1=0,-90, ATAN (F1/G1) * 180/PI ())) ", input "=-ASIN (H1) * 180/PI () " in E1 cell; choose D1～E1 cell, is filled into row end.At A～E row money, insert respectively blank line, input respectively X, Y, Z, C, D and be filled into respectively row end, complete computing;
(5), arrange again as job sequence file, the form that A～J was listed as with " only retaining text " pastes in WORD, again " ^t " replaced to (deleting) with " space ", by ^p " replace with " ^pQ1^p " (Q1 wherein for punching subroutine call statement); file anterior increase laser parameter data (be to add " GOTO/ " at every row; or in other positions of file) save as text, complete all Optimization Works.
Data acquisition and optimization method for Laser Processing multiburst hole of the present invention, multiburst hole job sequence Efficient Programming and highly-efficient processing problem have been solved, complete smoothly many ring ripple thermoscreen small group holes and efficient Laser Processing, and working (machining) efficiency is high, cost is low.
Data acquisition and optimization method for Laser Processing multiburst hole of the present invention, when Laser Processing encircles wave group hole more, requiring the leapfrog distance in hole to be preferably shorter than can direct safe leapfrog length, realize this requirement, and the processing sequence in hole should be that the direction of arranging is sequentially processed along ripple direction.During the row of jumping, adopt three-back-shaped reciprocal leapfrog track to process.Although the rear multiple track optimizing mode of the softwares such as UG, can not realize the specific (special) requirements of the sequence of many ring wave group hole data.The programming of common parts, adopts the original sort method that order is chosen one by one on request, but the method efficiency is low, programming personnel's labour intensity large and easily make mistakes, and adds should not adopt man-hour in group hole.Group hole adds man-hour, and cancelling or reduce tool backlash movement is the key that improves working (machining) efficiency, only has enough the short leapfrog time can cancel or reduce tool backlash movement.Because Laser Processing has laser nozzle apart from the characteristic of piece surface 0.5mm, can direct safe leapfrog length be
l-leapfrog maximum length, R-part curved surface least radius, a-laser nozzle is apart from piece surface distance.The part Machining of Curved Surface least radius of large-scale thermoscreen fan-shaped section part is 29mm, if leapfrog length is not more than 14mm, can not cancel tool backlash movement, improve working (machining) efficiency, the part of group hole processing, hole density is very high, as long as the path of leapfrog is reasonable, all can meet the reasonable request of step-length, data acquisition and the optimization method in many rings of the present invention wave group hole, the main upper path rationality problem that solves.
Data acquisition and optimization method for Laser Processing multiburst hole of the present invention, the locus of Laser Processing air film group hole job sequence and the collection of space angle data adopt UG software, with UG software, under MBM, draw part model, under processing module, gather the coordinate data in hole, the method image data gathering with face, can improve significantly collecting efficiency, greatly reduce the labour intensity of programming.The computing of data completes with EXCEL software with optimization, but, because EXCEL software can not directly be processed the data that UG generates, so selected to have the WORD software of specific function to arrange the data of UG preservation, become the readable data of EXCEL, copy to and in EXCEL software, carry out computing and optimization.Finally by computing in EXCEL software with the data Replica optimized in WORD software, be organized into laser beam machining program.
Data acquisition and optimization method for Laser Processing multiburst hole of the present invention, solved the programming of the large thermoscreen fan-shaped section of many rings ripple part and chosen and the problem sorting.During former programming, more 10,000 multigroup holes sequentially can not adopt, can not leak and adopt on request, while there is operating mistake, must restart, therefore programme length consuming time, extremely difficulty correctly completes, use collection of the present invention and optimization method, the sequencing problem while not needing to consider to choose, employing face is chosen, once complete that porose choose, significantly alleviate labour intensity and the programming efficiency in when programming, actual, add man-hour, can obviously improve debugging and working (machining) efficiency.
Data acquisition and optimization method for Laser Processing multiburst hole of the present invention, intercepting part sub-fraction, the hole B of take describes as example, five coordinate equipment digital control processings need five coordinate datas, i.e. 3 point coordinate data and 2 turning axle data, X for hole, Y, Z coordinate data, be the X that B is ordered, Y, Z coordinate points, job sequence can directly be used the data in " .txt " file, vector data in " .txt ", be X-direction amount data B1A1, Y-direction vector data B2A2, Z-direction vector data B3A3, the not all right discernible turning axle data of numerical control device that are converted into, use LASERDYNE-780 laser-processing system, C axis data is that vector data is at the angle of XY plane projection and X-axis, D axis data is the angle of vector and XY plane, by EXCEL software, vector data is optimized for to angle-data.
Accompanying drawing explanation
Fig. 1 is the large thermoscreen fan-shaped section of many ring ripples UG schematic diagram;
Fig. 2 is the large thermoscreen fan-shaped section of many ring ripples floor map;
Fig. 3 encircles the large thermoscreen gas cell distribution of ripple schematic diagram more;
Fig. 4 is the partial enlarged drawing of Fig. 2;
Fig. 5 is that coordinate is related to schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation:
Described in the present embodiment for data acquisition and the optimization method in Laser Processing multiburst hole, intercepting part sub-fraction, the hole B of take describes as example, five coordinate equipment digital control processings need five coordinate datas, i.e. 3 point coordinate data and 2 turning axle data, X for hole, Y, Z coordinate data, be the X that B is ordered, Y, Z coordinate points, job sequence can directly be used the data in " .txt " file, vector data in " .txt ", be X-direction amount data B1A1, Y-direction vector data B2A2, Z-direction vector data B3A3, the not all right discernible turning axle data of numerical control device that are converted into, use LASERDYNE-780 laser-processing system, C axis data is that vector data is at the angle of XY plane projection and X-axis, D axis data is the angle of vector and XY plane, by EXCEL software, vector data is optimized for to angle-data.
Described in the present embodiment, for data acquisition and the optimization method in Laser Processing multiburst hole, the step of described acquisition method is:
(1), with UG graphics software, open or draw the three-dimensional model diagram of part, be transformed into cooked mode;
(2) creation procedure, selects drill type; Create cutter, select SPOTFACING_TOOL subtype; Create primitives, select MCS subtype; Establishment machining coordinate system, during establishment, Y-axis is along ripple rib direction; Creation procedure, selects DRILLING subtype, and cutter shaft is perpendicular to parts surface, effective with Arc Axial, and cyclical patterns is chosen as nothing, with selection mode porose on face, gathers; Click to generate and list, by listing file selecting paths degree and give a name, save as the file of expansion " .txt " by name, complete the collection of data
The step of described optimization method is:
(1), with WORD software, open the file of the expansion by name " .txt " of preservation, by row head, be not to delete with the row of " GOTO/ "; With replacement instrument, " GOTO/ " replaced to (deleting), ", " replaced with " ^t ";
(2) full choosing clips to blank Microsoft Excel, in Microsoft Excel, form 6 row multirow data, from left to right, A classifies the X coordinate data in hole as, and B classifies the Y coordinate data in hole as, and C classifies the Z coordinate data in hole as, D classifies the X-direction vector data in hole as, E is the Y-direction vector data in hole, and the Z-direction vector data that F is hole, completes WORD and edit for the first time;
(3), with EXCEL software, carry out computing and the optimization of data, choose B row, with " expansion selection area " descending sort, then choose A row, with " expansion selection area " descending sort "; Input " 0 " in G1, H1, I1, J1 unit, input " 1 " in K1 cell; Input "=IF (A1-A2=0,0,1) " in G2 cell, input "=G2+H1 " in H2 cell, in I2 cell input "=MOD (H2,2) ", in J2 cell input "=IF (I2=0; J1+1, J1-1) ", in K2 cell input "=H2*10000+J2 "; Choose G2～K2 cell, be filled into row end; With " expansion selection area " descending sort of K2 row, delete G～K row, complete Optimal scheduling;
(4), five coordinates need angle data time the projection of vector on XY face and the angle of vector and XY face, during D～F is listed as at present data, X～X-direction vector data, need carry out computing; Before being listed as, inserts D two blank columns, input " IF (IF (F10; 0, IF (G1=0 ,-90; ATAN (F1/G1) * 180/PI ())) >0; IF (IF (F10,0, IF (G1=0 ;-90; ATAN (F1/G1) * 180/PI ()))-180, IF (IF (F10,0 in D1 cell, IF (G1=0,-90, ATAN (F1/G1) * 180/PI ())) ", input "=-ASIN (H1) * 180/PI () " in E1 cell; choose D1～E1 cell, is filled into row end.At A～E row money, insert respectively blank line, input respectively X, Y, Z, C, D and be filled into respectively row end, complete computing;
(5), arrange again as job sequence file, the form that A～J was listed as with " only retaining text " pastes in WORD, again " ^t " replaced to (deleting) with " space ", by ^p " replace with " ^pQ1^p " (Q1 wherein for punching subroutine call statement); file anterior increase laser parameter data (be to add " GOTO/ " at every row; or in other positions of file) save as text, complete all Optimization Works.
The data slot of not optimizing is as table 1
Table 1
Data slot after optimization is as shown in table 2:
Table 2
The foregoing is only better embodiment of the present invention, all any modifications of making within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. for data acquisition and the optimization method in Laser Processing multiburst hole, it is characterized in that:
The step of described acquisition method is:
(1), with UG graphics software, open or draw the three-dimensional model diagram of part, be transformed into cooked mode;
(2), creation procedure, select drill type; Create cutter, select SPOTFACING_TOOL subtype; Create primitives, select MCS subtype; Establishment machining coordinate system, during establishment, Y-axis is along ripple rib direction; Creation procedure, selects DRILLING subtype, and cutter shaft is perpendicular to parts surface, effective with Arc Axial, and cyclical patterns is chosen as nothing, with selection mode porose on face, gathers; Click and generate and list, save as the file of expansion " .txt " by name, complete the collection of data;
The step of described optimization method is:
(1), with WORD software, open the file of the expansion by name " .txt " of preservation, by row head, be not to delete with the row of " GOTO/ "; With replacement instrument, " GOTO/ " deleted, ", " replaced with " ^t ";
(2) full choosing clips to blank Microsoft Excel, forms 6 row multirow data in Microsoft Excel, completes WORD and edits for the first time;
(3), with EXCEL software, carry out computing and the optimization of data, A row, B are listed as with " expansion selection area " descending sort; Input " 0 " in G1, H1, I1, J1 unit, input " 1 " in K1 cell; Input "=IF (A1-A2=0; 0; 1) " in G2 cell, input "=G2+H1 " in H2 cell, in I2 cell input "=MOD (H2,2) ", in J2 cell input "=IF (I2=0; J1+1, J1-1) ", in K2 cell input "=H2*10000+J2 "; Choose G2～K2 cell, be filled into row end; With " expansion selection area " descending sort of K2 row, delete G～K row, complete Optimal scheduling;
(4), before being listed as, inserts D two blank columns, input " IF (IF (F10 in D1 cell, 0, IF (G1=0,-90, ATAN (F1/G1) * 180/PI ())) >0, IF (IF (F10, 0, IF (G1=0,-90, ATAN (F1/G1) * 180/PI ()))-180, IF (IF (F10, 0, IF (G1=0,-90, ATAN (F1/G1) * 180/PI ())) ", input "=-ASIN (H1) * 180/PI () " in E1 cell, choose D1～E1 cell, be filled into row end, before being listed as, inserts respectively A～E blank line, input respectively X, Y, Z, C, D is also filled into respectively row end, complete computing,
(5) form, A～J being listed as with " only retaining text " pastes in WORD, again " ^t " replaced with " space ", " ^p " replaced with to " ^pQ1^p " (Q1 is wherein the subroutine call statement of punching), in the anterior laser parameter data that increase of file, (be to add " GOTO/ " at every row, or other positions at file) save as text, complete and arrange as job sequence file.
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| CN107999974B (en) * | 2017-12-08 | 2019-06-04 | 中国航发动力股份有限公司 | A kind of annular spread group hole laser spot rapid survey and its group's hole forming method |
| CN110968039B (en) * | 2019-12-17 | 2022-11-25 | 上海维宏电子科技股份有限公司 | Graph cutting and sorting processing method applied to laser cutting numerical control machining |
| CN111958128B (en) * | 2020-08-11 | 2022-05-06 | 无锡市大德汽车部件科技有限公司 | Processing method of bearing base plate |
| CN115169047B (en) * | 2022-07-21 | 2023-03-24 | 北京汉飞航空科技有限公司 | Algorithm method for automatically calculating hole site processing information and generating processing code |
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| US5773790A (en) * | 1997-01-21 | 1998-06-30 | General Electric Company | Beam blocking material and method for beam drilling and inspecting cooling holes |
| CN1469792A (en) * | 2000-10-18 | 2004-01-21 | �ֹ��� | Process for drilling holes in a metallic workpiece having a thermal barrier coating |
| CN102476243A (en) * | 2010-11-22 | 2012-05-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing device for laser-processing grouped air-film holes and exterior of big multi-ring wave heat-insolating screen |
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| US6611731B2 (en) * | 1999-12-13 | 2003-08-26 | M J Technologies Limited | Micromachining aerofoil components |
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| US5773790A (en) * | 1997-01-21 | 1998-06-30 | General Electric Company | Beam blocking material and method for beam drilling and inspecting cooling holes |
| CN1469792A (en) * | 2000-10-18 | 2004-01-21 | �ֹ��� | Process for drilling holes in a metallic workpiece having a thermal barrier coating |
| CN102476243A (en) * | 2010-11-22 | 2012-05-30 | 沈阳黎明航空发动机(集团)有限责任公司 | Processing device for laser-processing grouped air-film holes and exterior of big multi-ring wave heat-insolating screen |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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