CN104972282A - Method for machining aircraft skin part - Google Patents
Method for machining aircraft skin part Download PDFInfo
- Publication number
- CN104972282A CN104972282A CN201510412737.9A CN201510412737A CN104972282A CN 104972282 A CN104972282 A CN 104972282A CN 201510412737 A CN201510412737 A CN 201510412737A CN 104972282 A CN104972282 A CN 104972282A
- Authority
- CN
- China
- Prior art keywords
- line
- milling
- neutral line
- neutral
- skin part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/01—Aircraft parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a method for machining an aircraft skin part. The method comprises the following steps that (1) process digital-analog information is extracted; (2) a neutral layer is projected; (3) the neutral layer is unfolded; (4) the unfolding face of the neutral layer is projected; and (5) a chemical milling sample plate and the skin part are machined. The sample plate meeting process requirements is directly produced through three-dimensional unfolding digital-analog calculation. According to the method for machining the aircraft skin part, the manufacturing precision of the part is effectively improved, machining accumulated errors are reduced, and the machining process meets the process manufacturing requirement. Meanwhile, the delivery cycle of the skin part is greatly shortened, and the material utilization rate is improved. An MMS mirror image milling matching edge flexible clamping system is adopted, and the method adapts to skins of various specifications; the space locating and clamping rigidity of workpieces is guaranteed, and productivity and production flexibility are greatly improved.
Description
Technical field
The invention belongs to aero-manufacturing technology field, particularly a kind of aircraft skin method of processing parts.
Background technology
Traditional aircraft skin part be first on mould by die making shop groove on component die, loft design institute processes three-dimensional chemical milling template according to mould groove is manual, utilizes three-dimensional chemical milling template produced.Because mould groove and manual processing model all exist processing cumulative errors, manufacture process requirement cannot be met, and manual processing efficiency is low.Based on current processing status, shape method in the urgent need to one, make this covering milling part accuracy of manufacture and processing technology reach manufacture technics requirement.
Summary of the invention
The present invention is low for solving existing aircraft skin part processing precision, cannot meet the technical problem of manufacture process requirement, propose a kind of aircraft skin method of processing parts.
For solving the problem, the technical scheme that the present invention takes is: a kind of aircraft skin method of processing parts, comprises the steps:
(1) extraction process digital-to-analogue information:
According to part processing request, design covering milling technique digital-to-analogue, and extract the part edge line of covering milling technique digital-to-analogue, the data message of model line position line, milling surplus line, fitting allowance line and locating hole.
(2) neutral line projection:
First extract part exocuticle, adopt CATIA bias order, deviant gets the half of part material thickness, obtains the neutral line of part.Then part edge line, model line position line, milling surplus line, fitting allowance line and locating hole data message are projected on neutral line surface.
(3) neutral line launches:
Subsidiary for neutral line part surplus line (is contained: part edge line, covering surplus line, milling surplus line, milling morpheme line, chemical milling template morpheme line) carry out planar development with the order of CATIA planar development, when adopting planar development order, note subsidiary part surplus line to transfer on developed surface, we just obtain the neutral line developed surface with part surplus line like this.
(4) neutral line developed surface projection:
Neutral line developed surface is carried out general perspective, obtains the planar development data set of neutral line developed surface, and preserve.
(5) chemical milling template and covering class part is processed:
According to planar development data set, utilize CNC cutting milling blanking, adopt covering mirror image milling equipment to process skin part.
Preferably, described covering mirror image milling equipment is MMS mirror image milling cobordant edge flexible clamping system.
The beneficial effect that the present invention obtains is: utilize three-dimensional expansion digital-to-analogue to calculate and directly produce the model meeting technological requirement, for processing the method for aircraft skin part, effectively improve the part accuracy of manufacture, decrease processing cumulative errors, processing technology reaches manufacture technics requirement; Greatly shorten skin part delivery cycle, and improve stock utilization; Adopt MMS mirror image milling cobordant edge flexible clamping system, adapt to all size covering, ensure workpiece space location and clamping rigidity, greatly boost productivity and production chains.
Detailed description of the invention
Below in conjunction with embodiment, more detailed description is done to embodiments of the present invention.
A kind of aircraft skin method of processing parts, main flow is: three-dimensional process digital-to-analogue is extracted model line position line, milling surplus line, part surplus line, fitting allowance line and locating hole data projection in part neutral line, then subsidiary for part neutral line part surplus line is launched, obtain the expanding data collection of this part, utilize laser cutting machine to produce to meet the stereo unfolding model that processing technology requires, processing aircraft skin class part.
Design technology digital-to-analogue is carried out below by way of single-curved surface covering class part, how detailed introduction utilizes the generative mode configuration design module of three-dimensional software and technological requirement to design the neutral line of part, and utilizing works drawing obtains the planar development data set of chemical milling template, then required material is gone out according under expanding data collection, last roll forming goes out three-dimensional chemical milling template, produces covering class part.
A kind of aircraft skin method of processing parts of the present invention, comprises the following steps:
(1) extraction process digital-to-analogue information:
According to part processing request, first design covering milling technique digital-to-analogue, and by CATIA generative design module, extract the part edge line of covering milling technique digital-to-analogue, the data messages such as model line position line, milling surplus line, fitting allowance line and locating hole.
(2) neutral line projection:
Part thickness is 2mm, and first extract part exocuticle, offset by exocuticle with CATIA bias order, deviant gets half part thickness, obtains the neutral line of part.Then part edge line, model line position line, milling surplus line, fitting allowance line and locating hole data message are projected on neutral line surface.
(3) neutral line launches:
Subsidiary for neutral line part surplus line (is contained: part edge line, covering surplus line, milling surplus line, milling morpheme line, chemical milling template morpheme line) carry out planar development with the order of CATIA planar development, when adopting planar development order, note subsidiary part surplus line to transfer on developed surface, we just obtain the neutral line developed surface with part surplus line like this
(4) neutral line developed surface projection:
Utilize CATIA Graphing of Engineering order, general perspective, obtain the planar development data set of neutral line developed surface, and save as the .dxf file of ATUOCAD.
(5) chemical milling template and covering class part is processed:
According to planar development data set, utilize CNC cutting milling blanking, adopt covering mirror image milling equipment to process skin part.
Further, described covering mirror image milling equipment is MMS mirror image milling cobordant edge flexible clamping system.
Further, described MMS mirror image milling cobordant edge flexible clamping system adapts to all size covering, ensures workpiece space location and clamping rigidity, greatly boosts productivity and production chains.
What more than enumerate is only specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, can also have and manyly similar change shape.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think invention which is intended to be protected.
Claims (2)
1. an aircraft skin method of processing parts, is characterized in that: comprise the following steps:
1) extraction process digital-to-analogue information: according to part processing request, designs covering milling technique digital-to-analogue, and extracts the part edge line of covering milling technique digital-to-analogue, the data message of model line position line, milling surplus line, fitting allowance line and locating hole;
2) neutral line projection: first extract part exocuticle, adopt bias order, deviant gets the half of part material thickness, obtains the neutral line of part;
Then part edge line, model line position line, milling surplus line, fitting allowance line and locating hole data message are projected on neutral line surface;
3) neutral line launches: subsidiary for neutral line part surplus line is carried out planar development, obtains neutral line developed surface;
4) neutral line developed surface projection: neutral line developed surface is carried out general perspective, obtains the planar development data set of neutral line developed surface, and preserve;
5) process skin part: according to planar development data set, utilize CNC cutting milling blanking, adopt covering mirror image milling equipment to process skin part.
2. a kind of aircraft skin method of processing parts as claimed in claim 1, is characterized in that: described covering mirror image milling equipment is MMS mirror image milling cobordant edge flexible clamping system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412737.9A CN104972282A (en) | 2015-07-15 | 2015-07-15 | Method for machining aircraft skin part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412737.9A CN104972282A (en) | 2015-07-15 | 2015-07-15 | Method for machining aircraft skin part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104972282A true CN104972282A (en) | 2015-10-14 |
Family
ID=54269534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510412737.9A Pending CN104972282A (en) | 2015-07-15 | 2015-07-15 | Method for machining aircraft skin part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104972282A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436833A (en) * | 2015-12-23 | 2016-03-30 | 北京航星机器制造有限公司 | Precise manufacturing method of cover part with ribs on external |
| CN106181260A (en) * | 2016-08-17 | 2016-12-07 | 陕西飞机工业（集团）有限公司 | A kind of processing method of chemical milling template |
| CN106216966A (en) * | 2016-09-08 | 2016-12-14 | 中国航天科技集团公司长征机械厂 | Based on adaptive machining eyelid covering high-efficiency machining method |
| CN106583509A (en) * | 2016-11-29 | 2017-04-26 | 中车长春轨道客车股份有限公司 | Bending process for irregular part |
| CN106670731A (en) * | 2016-07-14 | 2017-05-17 | 安徽安凯汽车股份有限公司 | Manufacturing method for tool for passenger car foreside windscreen inspection and skin positioning |
| CN107263016A (en) * | 2016-04-06 | 2017-10-20 | 哈尔滨飞机工业集团有限责任公司 | A kind of big plate width complex profile structural skin processing method |
| CN107297910A (en) * | 2017-06-22 | 2017-10-27 | 中国航空工业集团公司基础技术研究院 | The method that composite material skin structure mechanical processing technique line is prepared using technique cover plate |
| CN107309658A (en) * | 2017-06-19 | 2017-11-03 | 江西洪都航空工业集团有限责任公司 | A kind of long narrow skin part processing tool and technique |
| CN108145387A (en) * | 2017-12-31 | 2018-06-12 | 天津飞悦航空工业股份有限公司 | A kind of processing method of aircraft skin part |
| CN110321607A (en) * | 2019-06-21 | 2019-10-11 | 江西洪都航空工业集团有限责任公司 | A kind of segmented chemical milling template preparation method |
| CN110355819A (en) * | 2019-06-18 | 2019-10-22 | 成都飞机工业（集团）有限责任公司 | A kind of method for drilling of covering and skeleton connection structure |
| CN111222198A (en) * | 2019-11-07 | 2020-06-02 | 江南造船(集团)有限责任公司 | Ship planking expansion calculation method, device, equipment and storage medium |
| CN112307576A (en) * | 2020-09-30 | 2021-02-02 | 成都飞机工业（集团）有限责任公司 | Three-dimensional chemical milling sample plate rapid design method |
| CN113059322A (en) * | 2021-03-26 | 2021-07-02 | 陕西飞机工业有限责任公司 | Variable-thickness frame edge processing method |
| CN114434092A (en) * | 2021-12-15 | 2022-05-06 | 成都飞机工业（集团）有限责任公司 | Production method of aviation plate frame type complex parts |
| CN114523266A (en) * | 2022-02-25 | 2022-05-24 | 沈阳万航机械制造有限公司 | Accurate forming method and mold for non-uniform-thickness titanium alloy opening cover |
| CN114998526A (en) * | 2022-06-23 | 2022-09-02 | 上海宇航系统工程研究所 | Skin process net size unfolding method based on error compensation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011161976A (en) * | 2010-02-05 | 2011-08-25 | Honda Motor Co Ltd | Method of manufacturing aircraft wing structure |
| CN102591255A (en) * | 2012-03-22 | 2012-07-18 | 沈阳飞机工业（集团）有限公司 | Unfolding method for high-bar integral wall board |
| CN102660741A (en) * | 2012-05-22 | 2012-09-12 | 西安飞机工业（集团）有限责任公司 | Numeric control processing method for single-curvature-degree coating chemically-milling sample plate |
| CN102902851A (en) * | 2012-09-21 | 2013-01-30 | 西安飞机工业（集团）有限责任公司 | Unfolding modeling method for airplane integral panels based on computer-graphics aided three-dimensional interactive application (CATIA) |
| CN104331020A (en) * | 2014-11-12 | 2015-02-04 | 南京航空航天大学 | Feature-based skin mirror-image milling technology decision method |
| CN104360634A (en) * | 2014-11-12 | 2015-02-18 | 南京航空航天大学 | Skin mirror image milling numerical control program fast generating method based on features |
| CN104375464A (en) * | 2014-11-12 | 2015-02-25 | 南京航空航天大学 | Aircraft skin milling efficient machining path automatic generating method |
| CN104476118A (en) * | 2014-11-03 | 2015-04-01 | 陕西飞机工业（集团）有限公司 | Manufacturing method of airplane chemical milling skin three-dimensional chemical milling sample plate |
-
2015
- 2015-07-15 CN CN201510412737.9A patent/CN104972282A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011161976A (en) * | 2010-02-05 | 2011-08-25 | Honda Motor Co Ltd | Method of manufacturing aircraft wing structure |
| CN102591255A (en) * | 2012-03-22 | 2012-07-18 | 沈阳飞机工业（集团）有限公司 | Unfolding method for high-bar integral wall board |
| CN102660741A (en) * | 2012-05-22 | 2012-09-12 | 西安飞机工业（集团）有限责任公司 | Numeric control processing method for single-curvature-degree coating chemically-milling sample plate |
| CN102902851A (en) * | 2012-09-21 | 2013-01-30 | 西安飞机工业（集团）有限责任公司 | Unfolding modeling method for airplane integral panels based on computer-graphics aided three-dimensional interactive application (CATIA) |
| CN104476118A (en) * | 2014-11-03 | 2015-04-01 | 陕西飞机工业（集团）有限公司 | Manufacturing method of airplane chemical milling skin three-dimensional chemical milling sample plate |
| CN104331020A (en) * | 2014-11-12 | 2015-02-04 | 南京航空航天大学 | Feature-based skin mirror-image milling technology decision method |
| CN104360634A (en) * | 2014-11-12 | 2015-02-18 | 南京航空航天大学 | Skin mirror image milling numerical control program fast generating method based on features |
| CN104375464A (en) * | 2014-11-12 | 2015-02-25 | 南京航空航天大学 | Aircraft skin milling efficient machining path automatic generating method |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436833A (en) * | 2015-12-23 | 2016-03-30 | 北京航星机器制造有限公司 | Precise manufacturing method of cover part with ribs on external |
| CN107263016A (en) * | 2016-04-06 | 2017-10-20 | 哈尔滨飞机工业集团有限责任公司 | A kind of big plate width complex profile structural skin processing method |
| CN106670731A (en) * | 2016-07-14 | 2017-05-17 | 安徽安凯汽车股份有限公司 | Manufacturing method for tool for passenger car foreside windscreen inspection and skin positioning |
| CN106181260B (en) * | 2016-08-17 | 2018-11-16 | 陕西飞机工业（集团）有限公司 | A kind of processing method of chemical milling template |
| CN106181260A (en) * | 2016-08-17 | 2016-12-07 | 陕西飞机工业（集团）有限公司 | A kind of processing method of chemical milling template |
| CN106216966A (en) * | 2016-09-08 | 2016-12-14 | 中国航天科技集团公司长征机械厂 | Based on adaptive machining eyelid covering high-efficiency machining method |
| CN106583509B (en) * | 2016-11-29 | 2018-09-07 | 中车长春轨道客车股份有限公司 | The bending technique of irregular part |
| CN106583509A (en) * | 2016-11-29 | 2017-04-26 | 中车长春轨道客车股份有限公司 | Bending process for irregular part |
| CN107309658A (en) * | 2017-06-19 | 2017-11-03 | 江西洪都航空工业集团有限责任公司 | A kind of long narrow skin part processing tool and technique |
| CN107297910A (en) * | 2017-06-22 | 2017-10-27 | 中国航空工业集团公司基础技术研究院 | The method that composite material skin structure mechanical processing technique line is prepared using technique cover plate |
| CN107297910B (en) * | 2017-06-22 | 2019-03-19 | 中国航空工业集团公司基础技术研究院 | Utilize the method for technique cover board preparation composite material skin structure mechanical processing technique line |
| CN108145387A (en) * | 2017-12-31 | 2018-06-12 | 天津飞悦航空工业股份有限公司 | A kind of processing method of aircraft skin part |
| CN110355819A (en) * | 2019-06-18 | 2019-10-22 | 成都飞机工业（集团）有限责任公司 | A kind of method for drilling of covering and skeleton connection structure |
| CN110321607A (en) * | 2019-06-21 | 2019-10-11 | 江西洪都航空工业集团有限责任公司 | A kind of segmented chemical milling template preparation method |
| CN110321607B (en) * | 2019-06-21 | 2023-03-24 | 江西洪都航空工业集团有限责任公司 | Sectional type chemical milling sample plate preparation method |
| CN111222198A (en) * | 2019-11-07 | 2020-06-02 | 江南造船(集团)有限责任公司 | Ship planking expansion calculation method, device, equipment and storage medium |
| CN111222198B (en) * | 2019-11-07 | 2023-06-16 | 江南造船(集团)有限责任公司 | Ship outer plate deployment calculation method, device, equipment and storage medium |
| CN112307576A (en) * | 2020-09-30 | 2021-02-02 | 成都飞机工业（集团）有限责任公司 | Three-dimensional chemical milling sample plate rapid design method |
| CN113059322A (en) * | 2021-03-26 | 2021-07-02 | 陕西飞机工业有限责任公司 | Variable-thickness frame edge processing method |
| CN114434092A (en) * | 2021-12-15 | 2022-05-06 | 成都飞机工业（集团）有限责任公司 | Production method of aviation plate frame type complex parts |
| CN114523266A (en) * | 2022-02-25 | 2022-05-24 | 沈阳万航机械制造有限公司 | Accurate forming method and mold for non-uniform-thickness titanium alloy opening cover |
| CN114523266B (en) * | 2022-02-25 | 2023-11-17 | 沈阳万航机械制造有限公司 | Precise forming method and die for non-uniform-thickness titanium alloy flap |
| CN114998526A (en) * | 2022-06-23 | 2022-09-02 | 上海宇航系统工程研究所 | Skin process net size unfolding method based on error compensation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104972282A (en) | Method for machining aircraft skin part | |
| CN108121291B (en) | Casting machining method | |
| CN103586737B (en) | A kind of compensation method of blade profile high precision numerical control Milling Machining | |
| CN106181260B (en) | A kind of processing method of chemical milling template | |
| CN105242637A (en) | Aviation thin-wall blade compensation processing method | |
| CN105478603B (en) | A kind of fractionation processing technology of automobile die | |
| CN104476118A (en) | Manufacturing method of airplane chemical milling skin three-dimensional chemical milling sample plate | |
| CN103902755A (en) | Sheet metal part three-dimensional die set design technology | |
| CN103433380B (en) | Raised forming method of drawing mould of automobile panel | |
| CN103071797A (en) | Large-format selective laser melting (SLM) equipment of multi- galvanometer | |
| CN102501013B (en) | Processing method of chemical milling template | |
| CN101850496A (en) | Manufacturing process of automotive chassis longitudinal beam | |
| CN103846336A (en) | Finish machining process for cold-punching special-shaped square holes | |
| CN106378478B (en) | A kind of micro- milling method of rule pyramid micro-structure | |
| CN103350136A (en) | Method using standard die to processing any circular arc | |
| CN105537509A (en) | Method for manufacturing patterns on surface of mould | |
| CN202137271U (en) | Dual penetrating-type terminal mold | |
| CN107052312B (en) | A kind of casting cleaning machining locus automatically correct and generation method | |
| CN104760285A (en) | Additive manufacturing method of unmanned aerial vehicle product | |
| CN102921831B (en) | Numerical control incremental die-less forming method for thin-walled blade | |
| CN102320215A (en) | Manufacturing method of crystal handicraft product | |
| CN104588983B (en) | Machining method for mold with protrusion | |
| CN102205487A (en) | Method for machining metal plate by using laser cutting and numerical control press | |
| CN101587348A (en) | Method for processing spiral line interpolation of three-dimensional cutting edge contour | |
| CN103658520B (en) | A kind of metalwork casting mold subdivision method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |
|
| RJ01 | Rejection of invention patent application after publication |