CN104484516A - Method of laying prepreg by aid of trajectory planning software - Google Patents
Method of laying prepreg by aid of trajectory planning software Download PDFInfo
- Publication number
- CN104484516A CN104484516A CN201410725812.2A CN201410725812A CN104484516A CN 104484516 A CN104484516 A CN 104484516A CN 201410725812 A CN201410725812 A CN 201410725812A CN 104484516 A CN104484516 A CN 104484516A
- Authority
- CN
- China
- Prior art keywords
- prepreg
- lay
- laying
- planning software
- trajectory planning
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a method of laying prepreg by aid of trajectory planning software. The method includes: importing a three-dimensional CAD (computer aided design) model of a lay-up surface of a mold to the trajectory planning software, performing lay-up planning according to the requirements on lay-up allowed lap/clearances and bearing, shape and the like of the lay-up surface so as to obtain the information, such as shape, size and position, of each piece of prepreg forming the lay-up surface, cutting a prepreg laminate and mold boards of corresponding shapes and sizes according to the information and the lap/clearances, placing the mold boards on the lay-up surface, determining an actual lay-up boundary, and according to the actual lay-up boundary connecting the adjacent pieces of prepreg in order and performing laying till the prepreg fully covering an area to be covered. The method has the advantages that by the application of the computer trajectory planning software in manual laying, scrap rate of the prepreg is deceased, laying is more accurate, laying performance is improved, and the laminate structure meeting the theoretical design and as high as automatically laid laminates in quality can be made.
Description
Technical field
The present invention relates to a kind of method that lay prepreg overlay assisted by trajectory planning software, belong to material prepreg forming field, be applicable at non-developable surfaces and the complex-curved prepreg overlay of lay by hand.
Background technology
The molding large complex component of automatic placement technology energy high-level efficiency, high precision, low defect, Aeronautics and Astronautics field is widely used abroad.According to lay surface information, the trajectory planning software of automatic placement can arrange in advance treat lay prepreg profile, size, position, laying is orderly, neat is laid in lay face, avoids prepreg gauffer, reduces lay defect.But be limited to cost factor or the restriction of placement head size, be shaped small-sized non-developable surfaces and complex-curved component at present still based on manual lay with prepreg.
Non-developable surfaces or complex-curved on by hand lay prepreg time, by the prepreg Temporary shear of different size, profile, be combined into required laying and easily occur prepreg gap or overlap the defects such as excessive, gauffer, the lay of attractive in appearance, the follow-up laying of this extreme influence laminate, add the defects such as porosity, then the mechanical property of the rear laminate of solidification is reduced, even can cause scrapping of component, this adds manufacturing cost undoubtedly.
Summary of the invention
The object of this invention is to provide a kind of method that lay prepreg overlay assisted by trajectory planning software, can be as required, plan in advance treat lay prepreg profile, size, position, improve cutting stock precision, effectively avoid prepreg gap or overlap the lay defects such as excessive, gauffer.
Technical solution of the present invention is:
A method for lay prepreg overlay assisted by trajectory planning software, comprising:
Step one, the three-dimensional CAD model in lay face is imported track planning software, amount of lap/gap value that laying allows is set according to specific requirement, obtains the details of all prepregs covering this face, comprise profile, size, position;
Step 2, according to these information, the prepreg shape needed for this laying of cutting, is specially: treat that there is amount of lap in lay region one and lay region two, then the prepreg of cutting is template and overlapping regions area sum; Treat that there is gap value in lay region three and lay region four, then the prepreg of cutting is the difference of template and overlapping regions area; If treat, lay is interregional without amount of lap or gap value, then prepreg is consistent with die shape;
Step 3, according to allowed amount of lap/gap value and prepreg shape, cut out the template corresponding with every block prepreg;
Step 4, selected initial lay place or a border, lay prepreg template;
Step 5, foundation template position determine corresponding prepreg overlay area, take template away and lay prepreg;
Step 6, selected lay prepreg border, repeat step 4-five, until by prepreg covered with this laying.
Further, described template adopts prepreg release liners.Template adopts easily cutting, easily keeps profile, the difficult material elongated, and is preferably prepreg release liners.
Further, described prepreg is unidirectional or the two-way prepreg of fabric, and the laying angle of prepreg is-90 ° ~ 90 °.
Further, trajectory planning software adopts the trajectory planning software of automatic placement system.
The invention has the beneficial effects as follows: the invention provides a kind of method that lay prepreg assisted by trajectory planning software, be applicable at non-developable surfaces and the complex-curved prepreg of lay by hand, according to treating lay surface information, trajectory planning software is utilized to generate the information such as prepreg profile, size, position of composition needed for laying in advance, prepreg and corresponding template, successively lay template and prepreg that to plan that with theory profile is consistent is cut out according to these information.Direct cut to eliminate to overlap and compare with gauffer at curved surface lay prepreg, temporarily with traditional, ensure that the accuracy of prepreg lay position, decrease the lay defects such as overlap joint, gap, gauffer, improve the placement performance of laminate, by on a large amount of practical basis of certain curved surface of high curvature forming parts, result shows that the structural mechanical property that the method is obtained and stability significantly rise, and part rejection rate also greatly reduces.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in the lay face of certain deep camber part;
The three-dimensional CAD model in lay face is imported track planning software by Fig. 2, generates the schematic diagram of the details of all prepregs in this face of composition as required;
Fig. 3 is according to amount of lap/gap value and prepreg shape, cuts out the schematic diagram of template and prepreg;
Fig. 4 is along a certain border lay template and determines to treat the schematic diagram in lay region;
Fig. 5 is to the schematic diagram in the region determined by template by prepreg lay;
Fig. 6 is the schematic diagram of the template along connecting line place lay next-door neighbour;
Fig. 7 is the schematic diagram obtaining whole lay face according to lay prepreg of the present invention;
Fig. 8 is the schematic diagram at overlap joint/gap location lay prepreg.
Embodiment
For 45 ° of layings of lay curved surface of high curvature composite material parts, and by reference to the accompanying drawings the present invention is described in further detail:
Treat complexity, non-developable surfaces that lay curved surface 01 is combined by the hyperboloid of a circular cylinder and a convex, length and width are about 700mm, and height is 500mm about, as Fig. 1.Non-developable surfaces cannot carry out without overlap joint/gap, non-wrinkled covering with whole prepreg; And gesticulate temporarily, cut prepreg and accurately cannot overlap/gap, gauffer position, this can extend man-hour, and affects follow-up spreading.
According to the present invention, its implementation process is as follows:
(1) three-dimensional CAD model of curved surface 01 is imported track planning software, require to arrange laying according to its curvature, stand under load etc., setting the amount of lap 021A between adjacent prepreg and gap value 022A, if without overlap joint/gap, is intersection 02A, obtains 45 ° of laying information as shown in Figure 2.
(2) in Fig. 2 laying information, treat that lay region 041A and 042A has overlap joint 021A, then the prepreg 042 of cutting is template 032 and overlapping regions 021 area sum; Treat that lay region 042A and 043A has gap 022A, then the prepreg 043 of cutting is the difference of template 033 and overlapping regions 022 area; If treat, lay is interregional without overlap joint/gap, then prepreg 04 is consistent with template 03 profile.According to template 03 and the prepreg 04 of the cutting of laying information, as shown in Figure 3.
(3) start lay template 03 in curved surface 01 somewhere, determine the border 02a being adjacent lay region, as shown in Figure 4.
(4) template 03 is taken away, the region determined before corresponding prepreg 04 being placed on template according to border 02a, as shown in Figure 5.
(5) along border 02a lay template 03, border 02b is determined, as shown in Figure 6.
(6) template 03 and prepreg 04 is placed successively according to the method for step (3) ~ (5), until will treat that lay prepreg 04 is all placed on curved surface 01, as shown in Figure 7.The defects such as visible obtained laying is non-wrinkled, to plan with theoretical, as shown in Figure 2, equally accurate.
(7) between prepreg 04, the lay schematic diagram in overlap joint 021 and gap 022 is had, as shown in Figure 8.
Laying angular range of the present invention is-90 ° ~ 90 °, above enforcement be 45 ° of layings, other laying can be carried out after the same method.
Trajectory planning software of the present invention can adopt the trajectory planning software of automatic placement system, or other has the computer software of similar trajectory planning function.
Embodiment method achieves by computing machine trajectory planning software application in manual laying operation, and minimizing prepreg scrappage, the degree of accuracy that improve laying and performance, can obtain coincidence theory design, be equal to high-quality ply angles with automatic placement.
Claims (4)
1. a method for lay prepreg overlay assisted by trajectory planning software, it is characterized in that, comprising:
Step one, the three-dimensional CAD model in lay face is imported track planning software, amount of lap/gap value that laying allows is set according to specific requirement, obtains the details of all prepregs covering this face, comprise profile, size, position;
Step 2, according to these information, the prepreg shape needed for this laying of cutting, is specially: treat that there is amount of lap in lay region one and lay region two, then the prepreg of cutting is template and overlapping regions area sum; Treat that there is gap value in lay region three and lay region four, then the prepreg of cutting is the difference of template and overlapping regions area; If treat, lay is interregional without amount of lap or gap value, then prepreg is consistent with die shape;
Step 3, according to allowed amount of lap/gap value and prepreg shape, cut out the template corresponding with every block prepreg;
Step 4, selected initial lay place or a border, lay prepreg template;
Step 5, foundation template position determine corresponding prepreg overlay area, take template away and lay prepreg;
Step 6, selected lay prepreg border, repeat step 4-five, until by prepreg covered with this laying.
2. the method for lay prepreg overlay assisted by trajectory planning software as claimed in claim 1, it is characterized in that, described template adopts prepreg release liners.
3. the method for lay prepreg overlay assisted by trajectory planning software as claimed in claim 2, and it is characterized in that: described prepreg is unidirectional or the two-way prepreg of fabric, the laying angle of prepreg is-90 ° ~ 90 °.
4. the method for lay prepreg overlay assisted by trajectory planning software as claimed in claim 3, it is characterized in that: trajectory planning software adopts the trajectory planning software of automatic placement system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725812.2A CN104484516A (en) | 2014-12-04 | 2014-12-04 | Method of laying prepreg by aid of trajectory planning software |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725812.2A CN104484516A (en) | 2014-12-04 | 2014-12-04 | Method of laying prepreg by aid of trajectory planning software |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104484516A true CN104484516A (en) | 2015-04-01 |
Family
ID=52759057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725812.2A Pending CN104484516A (en) | 2014-12-04 | 2014-12-04 | Method of laying prepreg by aid of trajectory planning software |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104484516A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818401A (en) * | 2016-03-25 | 2016-08-03 | 哈尔滨飞机工业集团有限责任公司 | Method for controlling jointing gap of prepreg cloth |
| CN106379347A (en) * | 2016-12-02 | 2017-02-08 | 中车长春轨道客车股份有限公司 | Vehicle body structure for railway vehicle and forming method |
| CN106529057A (en) * | 2016-11-14 | 2017-03-22 | 江苏恒神股份有限公司 | Method for measuring minimum geodesic radius of prepreg narrow tapes or dry fibers without buckling in surface automatic placement |
| CN109177230A (en) * | 2018-11-05 | 2019-01-11 | 陕西碳能新材料有限责任公司 | A method of improving composite product mass production efficiency |
| CN109228394A (en) * | 2018-08-24 | 2019-01-18 | 中航复合材料有限责任公司 | A kind of quick molding method of composite material fuselage reinforcing rib |
| CN109894614A (en) * | 2019-03-25 | 2019-06-18 | 华中科技大学 | The method and its application of trajectory planning are filled on a kind of developable surface |
| CN111469441A (en) * | 2020-04-22 | 2020-07-31 | 常州市新创智能科技有限公司 | Guide plate layering process |
| CN111989200A (en) * | 2018-06-15 | 2020-11-24 | 三菱重工业株式会社 | Mold for laminating prepreg and method for laminating prepreg |
| CN112223788A (en) * | 2020-09-08 | 2021-01-15 | 武汉大学 | Automatic fiber laying system and laying track planning method thereof |
| CN113619148A (en) * | 2021-08-19 | 2021-11-09 | 江苏天鸟高新技术股份有限公司 | Preparation method of oversized high-thickness special-shaped preform with flange |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307949A (en) * | 2000-12-15 | 2001-08-15 | 清华大学 | Presplit fast prototype making process |
| EP1995045A2 (en) * | 2007-05-22 | 2008-11-26 | The Boeing Company | Pre-patterned layup kit and method of manufacture |
| CN102756483A (en) * | 2012-07-02 | 2012-10-31 | 哈尔滨飞机工业集团有限责任公司 | Multi-path pre-impregnation belt laying method |
-
2014
- 2014-12-04 CN CN201410725812.2A patent/CN104484516A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307949A (en) * | 2000-12-15 | 2001-08-15 | 清华大学 | Presplit fast prototype making process |
| EP1995045A2 (en) * | 2007-05-22 | 2008-11-26 | The Boeing Company | Pre-patterned layup kit and method of manufacture |
| CN102756483A (en) * | 2012-07-02 | 2012-10-31 | 哈尔滨飞机工业集团有限责任公司 | Multi-path pre-impregnation belt laying method |
Non-Patent Citations (1)
| Title |
|---|
| 张建宝等: "航天复合材料自动化成型技术研究现状", 《复合材料成型技术》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818401A (en) * | 2016-03-25 | 2016-08-03 | 哈尔滨飞机工业集团有限责任公司 | Method for controlling jointing gap of prepreg cloth |
| CN106529057B (en) * | 2016-11-14 | 2019-10-22 | 江苏恒神股份有限公司 | Measure the method for prepreg narrowband or the minimum geodesic radius of shredded dried bean curd without flexing in curved surface automatic placement |
| CN106529057A (en) * | 2016-11-14 | 2017-03-22 | 江苏恒神股份有限公司 | Method for measuring minimum geodesic radius of prepreg narrow tapes or dry fibers without buckling in surface automatic placement |
| CN106379347A (en) * | 2016-12-02 | 2017-02-08 | 中车长春轨道客车股份有限公司 | Vehicle body structure for railway vehicle and forming method |
| CN111989200A (en) * | 2018-06-15 | 2020-11-24 | 三菱重工业株式会社 | Mold for laminating prepreg and method for laminating prepreg |
| CN109228394A (en) * | 2018-08-24 | 2019-01-18 | 中航复合材料有限责任公司 | A kind of quick molding method of composite material fuselage reinforcing rib |
| CN109228394B (en) * | 2018-08-24 | 2020-12-29 | 中航复合材料有限责任公司 | Rapid forming method for composite material fuselage reinforcing rib |
| CN109177230A (en) * | 2018-11-05 | 2019-01-11 | 陕西碳能新材料有限责任公司 | A method of improving composite product mass production efficiency |
| CN109894614A (en) * | 2019-03-25 | 2019-06-18 | 华中科技大学 | The method and its application of trajectory planning are filled on a kind of developable surface |
| CN109894614B (en) * | 2019-03-25 | 2020-07-03 | 华中科技大学 | Method for filling track planning on developable surface and application thereof |
| CN111469441A (en) * | 2020-04-22 | 2020-07-31 | 常州市新创智能科技有限公司 | Guide plate layering process |
| CN112223788A (en) * | 2020-09-08 | 2021-01-15 | 武汉大学 | Automatic fiber laying system and laying track planning method thereof |
| CN113619148A (en) * | 2021-08-19 | 2021-11-09 | 江苏天鸟高新技术股份有限公司 | Preparation method of oversized high-thickness special-shaped preform with flange |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104484516A (en) | Method of laying prepreg by aid of trajectory planning software | |
| CA2810615C (en) | Processes for repairing complex laminated composites | |
| CN103817957B (en) | The tool locating method of adhesive bonding of composites co-curing | |
| CN105608274A (en) | Tribon M3 ship design software based quick lofting method for molded line of anchor platform | |
| CN104715117A (en) | Method for locating continuous box girder prestressed pipeline based on BIM | |
| CN108647450A (en) | A kind of pre-buried big foundation bolt construction method based on BIM technology | |
| CN104750892A (en) | Three-dimensional modeling method for thickness-variable curved-surface part inner shape surface | |
| JP2016501756A5 (en) | ||
| CN109228394A (en) | A kind of quick molding method of composite material fuselage reinforcing rib | |
| CN105666893A (en) | Laying and positioning method for prepreg slices | |
| JP6441931B2 (en) | Cutting table for cutting fiber preform obtained by three-dimensional weaving, and cutting method using the table | |
| CN105653749A (en) | Method for unfolding multi-honeycomb sandwich structure member upper skin paving layer | |
| CN107160717B (en) | A kind of preparation method of composite material skin structure mechanical processing technique line | |
| CN113360976B (en) | Automatic generation method of composite material digital layering model | |
| CN103092133B (en) | Path generation method for back-milling-tool three dimensional numerical control (NC) machining tool of trimming deflashing cutting edge abdication | |
| CN103273664B (en) | Process for manufacturing V-shaped skin provided with built-in filler | |
| CN103568163B (en) | The quick reversible deformation of a kind of injecting products repairs a die method | |
| CN101423106A (en) | Design implement method of wind-pipe support and connection piece thereof during producing ship | |
| CN104890854A (en) | Unfolding plate blank for bent and twisted stringer | |
| SI24502A (en) | The manufacturing process of the models for windmill wings | |
| CN101807066A (en) | Trimming die entrance modulus machining method of covering piece | |
| CN206926166U (en) | A kind of integrally insulating plate | |
| CN104985329A (en) | Double curvature stereoscopic part milling laser etching machining method | |
| CN103197608A (en) | Unfolding reconstruction method of a bend-torsion long-girder numerical model | |
| Liang | The Model Design and Simulation of Automatic Placement Path for the Shell of Composite Materials |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |