CN106181260A - A kind of processing method of chemical milling template - Google Patents

A kind of processing method of chemical milling template Download PDF

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Publication number
CN106181260A
CN106181260A CN201610680700.9A CN201610680700A CN106181260A CN 106181260 A CN106181260 A CN 106181260A CN 201610680700 A CN201610680700 A CN 201610680700A CN 106181260 A CN106181260 A CN 106181260A
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China
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chemical milling
template
milling template
processing
analogue
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CN201610680700.9A
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CN106181260B (en
Inventor
李卓晨
张大钧
吕锐
於智良
雷堃
刘腾尧
涂强
张琦
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Shaanxi Aircraft Industry Co.,Ltd.
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AVIC Shaanxi Aircraft Industry Group Corp Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention belongs to frock manufacturing technology, the processing method being specifically related to a kind of chemical milling template.The processing method of chemical milling template of the present invention includes 1) creation data preparation;2) chemical milling template flat board woollen is manufactured;3) rolling-bending forming;4) shape face in checking;5) digital control milling processing;6) inspection;7) step such as chemical milling template final molding.The method uses eyelid covering bending roll machine rolling-bending forming chemical milling template Cast blanks surface profile to substituted for the method using stretching die molding curved profile, while ensureing curved profile requirement, machining accuracy, can be greatly shortened the manufacturing cycle of chemical milling template.The present invention disclosure satisfy that the Production requirement of rapid processing chemical milling template, for ensureing that the production cycle of product has carried out sufficient preparation, in order to the popularization and application of analogue product.

Description

A kind of processing method of chemical milling template
Technical field
The invention belongs to frock manufacturing technology, the processing method being specifically related to a kind of chemical milling template.
Background technology
To larger-size single-curved surface thin wall milling part, often it is to provide for chemical milling template and the tangent plane model of part It is processed.As it is shown in figure 1, the process of tradition processing chemical milling template is to manufacture the traditional method of indicating the pronunciation of a Chinese character by product drawing or product digital-to-analogue Interior model, then manufacture stretching die tire by model in the traditional method of indicating the pronunciation of a Chinese character, and by workman, milling figure and datum line are portrayed on mould tire, then Manufacture full pattern by mould tire, then press full pattern manufacturer's standard model, then manufacture chemical milling template, in the above-mentioned chemical milling template course of processing, There is mould tire line precision, model moves shape precision, model machining accuracy, the aspects such as the model process-cycle is long, and expense is high Defect.
Along with the fast development of the productivity, original this processing method of chemical milling template slowly becomes increasingly can not expire The most present production of foot needs, and new the method for rapid processing chemical milling template can meet present production in the urgent need to a kind of Need.
Summary of the invention
Goal of the invention: provide a kind of while ensure that curved profile requirement, machining accuracy, it is possible to be greatly shortened milling Model manufacturing cycle and the processing method effectively reducing manufacturing cost.
Technical scheme
A kind of processing method of chemical milling template, according to the technique information reparation technology digital-to-analogue of product digital-to-analogue, then according to technique Digital-to-analogue produces flat board woollen and Qie Nei model and PCM figure, putting down of the mode work sheet curvature chemical milling template of employing rolling-bending forming Secondly plate woollen obtains chemical milling template Cast blanks surface, uses and cuts interior model to check shape face in rolling-bending forming curved surface, qualified after number Control processing chemical milling template blank, obtains chemical milling template semi-finished product, then with cutting interior model and PCM figure detects, to qualified change Milling model semi-finished product carry out subsequent treatment and obtain chemical milling template.
The processing method of described chemical milling template, PCM figure manufacturing process is as follows: the figure obtained after technique digital-to-analogue being launched enters Row projection, then obtain digital-to-analogue engineering drawing through CAD software process, use draft machine by digital-to-analogue drawing on gelatin plate, add Add comment, the PCM to be needed the exactly figure obtained.
The processing method of described chemical milling template, cuts interior sample making process as follows: makes one group in technique digital-to-analogue and is parallel to The plane of curved surface width, plane require be positioned at milling district, re-use this group plane cutting technique digital-to-analogue obtain one group put down The double-layer curve of shape, uses the internal layer curve of double-layer curve, makes the normal of milling district horizontal boundary point on each internal layer curve, Next the normal of each internal layer curve and milling district horizontal boundary point thereof is become model work with made even face for projection plane Cheng Tu, processes after being fabricated to template drawing by sample project figure, according to the i.e. available interior shape model of template drawing processing.
The processing method of described chemical milling template, when in curved surface, shape face checks:
Chemical milling template blank recess through rolling-bending forming is upwards positioned on check-out console, it is ensured that chemical milling template blank edge Median plane lateral symmetry, median plane is perpendicular to verifying bench surface, fixes chemical milling template blank, will cut interior model along being parallel to Chemical milling template blank side width is the most vertically put into, while put marginal not Yi Qienei model and shape face in chemical milling template blank Laminating situation.Placement location is at chemical milling template blank side lengthwise edge 20~50mm for the first time, places position next time Put away from last placement location 300~500mm, until the length direction other end;
Ruo Qienei model until when placing completely, during there is no blocking case, the most seamless after placing completely, It is then qualified;If having clear gap phenomenon after placement process occurring stuck phenomenon or placing completely, then it is defective.
Qualified chemical milling template semi-finished product are carried out subsequent treatment include spraying paint and marking.
Beneficial effect
Advantages of the present invention and effect:
1) use eyelid covering bending roll machine rolling-bending forming model curved profile, instead of the mode using stretching die molding;
2) while ensure that curved profile, machining accuracy, the manufacturing cycle of chemical milling template, energy can be greatly shortened Enough it is effectively improved the manufacture efficiency of milling part and saves production cost;
3) make chemical milling template processing and manufacturing can mass, meet present production needs.
Accompanying drawing explanation
Fig. 1 is chemical milling template traditional diamond-making technique flow chart.
Fig. 2 is processing method of chemical milling template flow chart of the present invention.
Fig. 3 is PCM figure and contained technique information thereof.Wherein, 1-launches trim line, 2-milling surplus boundary line, and 3-sells Nail trim line, 4-milling surplus viewport trim line, hole, 5-milling location trim line.
Fig. 4 is that digital control milling processes the chemical milling template semi-finished product obtained.
Fig. 5 is to cut interior model laterally to check generalized section.Wherein, 6-model profile boundaries line, 7-chemical milling template half becomes Product section, 8-chemical milling template semi-finished product milling surplus viewport, 9-cuts milling surplus viewport widthwise edge boundary line, 10-number on interior model Control lathe flexible support.
It is embodied as step
Below the present invention is described in further detail.
The present invention uses the flat board hair of the mode work sheet curvature chemical milling template of rolling-bending forming first by eyelid covering bending roll machine Secondly material obtains chemical milling template Cast blanks surface, uses and cuts interior model to check the accuracy of shape in rolling-bending forming curved surface, then exists It is determined for compliance with using Five Axis CNC milling machine digital control processing chemical milling template blank material after technology requires, obtains chemical milling template half and becomes Product, next use cut interior model and PCM figure inspection check trim line, milling district surplus add, milling surplus window, milling fixed Position hole, pin hole etc. the most mutually meet;After qualified, chemical milling template semi-finished product are sprayed paint, must after the operation such as marking To desired chemical milling template.
Processing method of chemical milling template of the present invention, while ensureing curved profile, machining accuracy, can be greatly shortened milling The manufacturing cycle of model, its flow chart is as in figure 2 it is shown, comprise the following steps:
1) creation data prepares
Creation data preparatory stage final result is: PCM figure, cut interior model.
(1) according to chemical milling template technical conditions in product digital-to-analogue on request take system the surplus in milling district add, milling district Surplus window, the technique digital-to-analogue of the milling location technique information such as hole, pin hole.
(2) making of PCM figure (Fig. 3): the figure obtained after technique digital-to-analogue being launched projects, then at CAD software Reason obtains digital-to-analogue engineering drawing, uses draft machine by digital-to-analogue drawing on gelatin plate, adds comment, and obtain is exactly The PCM figure to be needed.
(3) making of interior model is cut: make one group of plane being parallel to curved surface width, plane requirement in technique digital-to-analogue It is positioned at milling district, re-uses this group plane cutting technique digital-to-analogue and obtain the double-layer curve of one group of flat shape, only use double-layer curve Internal layer curve, each internal layer curve is made the normal of milling district horizontal boundary point, here it is in Fig. 5 cutting on interior model change The foundation in milling surplus viewport widthwise edge boundary line 9.Next by the normal of each internal layer curve and milling district horizontal boundary point thereof with institute The face of making even is that projection plane becomes sample project figure.Sample project figure is fabricated to template drawing through CAD, CAPP software processes After, workman just can process according to template drawing and obtain interior shape model.
2) chemical milling template flat board woollen is manufactured
Length and the width of the overall dimensions manufacture one piece size after deployment after launching by technique digital-to-analogue all have more The thickness of 100~200mm is 2mm aluminium sheet chemical milling template flat board woollen.
3) rolling-bending forming
According to the curved surface bending radius recorded from product digital-to-analogue, eyelid covering bending roll machine sets parameter.Use eyelid covering rolls Bender is directly by the chemical milling template blank needed for chemical milling template flat board woollen roll and bend forming one-tenth.
4) shape face in checking
Chemical milling template blank recess through rolling-bending forming is upwards positioned on check-out console, it is ensured that chemical milling template blank edge Median plane lateral symmetry, median plane is perpendicular to verifying bench surface, fixes chemical milling template blank, will cut interior model along being parallel to Chemical milling template blank side width is the most vertically put into, while put marginal not Yi Qienei model and shape face in chemical milling template blank Laminating situation.Placement location is at chemical milling template blank side lengthwise edge 20~50mm for the first time, places position next time Put away from last placement location 300~500mm, until the length direction other end.
Ruo Qienei model until when placing completely, during there is no blocking case, without bright after placing completely the most yet Aobvious gap, this situation is exactly qualified;If having clear gap phenomenon after placement process occurring stuck phenomenon or placing completely, This situation is exactly defective, and at defective place, chalk does mark.
After the passed examination of interior shape face, enter next step;Check and defective re-start rolling-bending forming.
5) digital control milling processing
(1) first the flexible support in Five Axis CNC milling machine is adjusted to the external surface of chemical milling template blank, protects Card flexible support concave surface is along median plane lateral symmetry, is more slowly placed in flexible support by chemical milling template blank recess, Tangent plane model is used to check again for shape face in chemical milling template blank, concrete operations such as the operation in previous step.
After passed examination, enter next step operation;When checking defective, regulate corresponding go out flexible strutting piece, be allowed to Meet the requirements.
(2) numerical control program write according to technique digital-to-analogue, digital control milling processing chemical milling template blank, obtain chemical milling template half Finished product (such as Fig. 4).
6) inspection
(1) digital control processing is complete, after having cleared up the chip on chemical milling template semi-finished product.Milling surplus on interior model is cut in use Viewport widthwise edge boundary line 9 checks chemical milling template semi-finished product milling surplus viewport 8, as shown in Figure 5.
Interior model will be cut and the most vertically put into along being parallel to chemical milling template semi-finished product width, until fitting completely.Put When putting, it is ensured that both median planes overlap.It is placed on inside milling surplus window away from milling surplus window edge 10 for the first time ~at 20mm.Next place away from last 30~50mm, until all of milling position all checks complete.
See after laminating cut on interior model cut on interior model milling surplus viewport widthwise edge boundary line 9 whether with chemical milling template half Milling district surplus on finished product is added, surplus window boundary line along chemical milling template semi-finished product length direction in milling district is in one On bar straight line.
If checking, result is in a straight line, then digital control processing is qualified;If checking, result is not on straight line, then Digital control processing is defective, need manually repair after undercarriage type to both be in a straight line.
(2) by after chemical milling template semi-finished product undercarriage, first its recess is positioned on check-out console the most gently.Again by PCM Figure is laid on chemical milling template positive camber, check trim line, milling district surplus add, milling district surplus window, hole, milling location, Pin hole is the most consistent.
If all of boundary line overlaps consistent, then show that chemical milling template semi-finished product are qualified, next step step can be entered;If Boundary line has misaligned consistent, then show that chemical milling template semi-finished product are defective, need manually to repair type, until all of boundary line Overlap consistent.
7) workman spray paint on the above-mentioned chemical milling template semi-finished product processed according to model manufacturing procedure, marking, formed Final chemical milling template.
Method of the present invention uses eyelid covering bending roll machine rolling-bending forming chemical milling template Cast blanks surface profile to replace stretching die forming Milling model curved profile, while ensure that machining accuracy, it is possible to is greatly shortened the manufacturing cycle of chemical milling template, saves and produces Cost, it is possible to meet the Production requirement of rapid processing chemical milling template.

Claims (5)

1. a processing method of chemical milling template, it is characterised in that according to the technique information reparation technology digital-to-analogue of product digital-to-analogue, then Produce flat board woollen and Qie Nei model and PCM figure according to technique digital-to-analogue, use the mode work sheet curvature milling of rolling-bending forming Secondly the flat board woollen of model obtains chemical milling template Cast blanks surface, uses and cuts interior model to check shape face in rolling-bending forming curved surface, Qualified rear digital control processing chemical milling template blank, obtains chemical milling template semi-finished product, then with cutting interior model and PCM figure detects, right Qualified chemical milling template semi-finished product carry out subsequent treatment and obtain chemical milling template.
The processing method of a kind of chemical milling template the most according to claim 1, it is characterised in that PCM figure manufacturing process is as follows: The figure obtained after technique digital-to-analogue being launched projects, then obtains digital-to-analogue engineering drawing through CAD software process, and use draft machine will Digital-to-analogue drawing, on gelatin plate, adds comment, the PCM to be needed the exactly figure obtained.
The processing method of a kind of chemical milling template the most according to claim 2, it is characterised in that cut interior sample making process such as Under: making one group of plane being parallel to curved surface width in technique digital-to-analogue, plane requires to be positioned at milling district, re-uses this group Plane cutting technique digital-to-analogue obtains the double-layer curve of one group of flat shape, uses the internal layer curve of double-layer curve, on each internal layer curve Make the normal of milling district horizontal boundary point, next by the normal of each internal layer curve and milling district horizontal boundary point thereof to be taken Plane is that projection plane becomes sample project figure, is processed by sample project figure after being fabricated to template drawing, processes according to template drawing Shape model in i.e. available.
The processing method of a kind of chemical milling template the most according to claim 3, it is characterised in that when shape face checks in curved surface:
Chemical milling template blank recess through rolling-bending forming is upwards positioned on check-out console, it is ensured that chemical milling template blank is along center Face lateral symmetry, median plane is perpendicular to verifying bench surface, fixes chemical milling template blank, will cut interior model along being parallel to milling Master blank side width is the most vertically put into, while put marginal not Yi Qienei model and the laminating in shape face in chemical milling template blank Situation.Placement location is at chemical milling template blank side lengthwise edge 20~50mm for the first time, next time placement location away from Last placement location 300~500mm, until the length direction other end;
Ruo Qienei model until when placing completely, during there is no blocking case, the most seamless after placing completely, then be Qualified;If having clear gap phenomenon after placement process occurring stuck phenomenon or placing completely, then it is defective.
The processing method of a kind of chemical milling template the most according to claim 1, it is characterised in that to qualified chemical milling template half Finished product carries out subsequent treatment and includes spraying paint and marking.
CN201610680700.9A 2016-08-17 2016-08-17 A kind of processing method of chemical milling template Active CN106181260B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108581377A (en) * 2018-04-09 2018-09-28 哈尔滨汽轮机厂有限责任公司 A kind of processing method of molded line model measurer
CN109604955A (en) * 2018-12-11 2019-04-12 江苏雨顺自动化科技有限公司 A kind of preparation process of Automobile Parts cubing
CN109648108A (en) * 2019-01-16 2019-04-19 沈阳飞机工业(集团)有限公司 A kind of processing method of brand-new template pilot hole
CN110238432A (en) * 2019-05-17 2019-09-17 陕西飞机工业(集团)有限公司 A kind of single multilayer processing method of chemical milling template
CN110369772A (en) * 2019-08-07 2019-10-25 沈阳飞机工业(集团)有限公司 A kind of aluminum alloy outer cover milling edge processing method
CN111560614A (en) * 2020-05-15 2020-08-21 沈阳飞机工业(集团)有限公司 Combined chemical milling sample plate and processing method thereof
CN111673151A (en) * 2020-05-15 2020-09-18 成都飞机工业(集团)有限责任公司 Manufacturing process method for parts with plates

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108581377A (en) * 2018-04-09 2018-09-28 哈尔滨汽轮机厂有限责任公司 A kind of processing method of molded line model measurer
CN109604955A (en) * 2018-12-11 2019-04-12 江苏雨顺自动化科技有限公司 A kind of preparation process of Automobile Parts cubing
CN109648108A (en) * 2019-01-16 2019-04-19 沈阳飞机工业(集团)有限公司 A kind of processing method of brand-new template pilot hole
CN110238432A (en) * 2019-05-17 2019-09-17 陕西飞机工业(集团)有限公司 A kind of single multilayer processing method of chemical milling template
CN110369772A (en) * 2019-08-07 2019-10-25 沈阳飞机工业(集团)有限公司 A kind of aluminum alloy outer cover milling edge processing method
CN111560614A (en) * 2020-05-15 2020-08-21 沈阳飞机工业(集团)有限公司 Combined chemical milling sample plate and processing method thereof
CN111673151A (en) * 2020-05-15 2020-09-18 成都飞机工业(集团)有限责任公司 Manufacturing process method for parts with plates
CN111673151B (en) * 2020-05-15 2022-01-07 成都飞机工业(集团)有限责任公司 Manufacturing process method for parts with plates
CN111560614B (en) * 2020-05-15 2022-02-18 沈阳飞机工业(集团)有限公司 Combined chemical milling sample plate and processing method thereof

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Address after: 723213 Liulin Town, Chenggu County, Hanzhong City, Shaanxi Province

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