CN104972677A - Automobile part carbon fiber composite material 3D printing process - Google Patents
Automobile part carbon fiber composite material 3D printing process Download PDFInfo
- Publication number
- CN104972677A CN104972677A CN201410160050.6A CN201410160050A CN104972677A CN 104972677 A CN104972677 A CN 104972677A CN 201410160050 A CN201410160050 A CN 201410160050A CN 104972677 A CN104972677 A CN 104972677A
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- China
- Prior art keywords
- carbon fiber
- auto parts
- dry
- automobile part
- components
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses an automobile part carbon fiber composite material 3D printing process, wherein a layered laser sintering method (SLS) in 3D printing is combined with a carbon fiber hand lay-up process in a carbon fiber process. The 3D printing process in the invention includes the steps of (1) establishing a three-dimensional CAD mathematical model with computer CAD software; (2) performing mathematical model layering according to the three-dimensional CAD data with a computer; (3) performing laser sintering with a 3D printer and performing lamination; (4) performing sand-blast post-treatment to an automobile part body printed through the 3D printer; (5) with the carbon fiber hand lay-up process in a carbon fiber process, coating the positions, which are required to be reinforced and strengthened, of the automobile part body by epoxy resin; (6) when the epoxy resin is solidified, placing a layer of a carbon fiber dry cloth on the positions required to be reinforced and strengthened of the automobile part body; (7) after solidification, performing dry-polishing with sand paper; (8) coating the carbon fiber dry cloths by an epoxy layer, and placing another layer of the carbon fiber dry cloth; (9) when the epoxy resin is solidified, performing water-mill with sand paper until the carbon fiber dry cloth is smooth; and (10) performing post-treatment on a polishing machine to obtain a finish product.
Description
Technical field
The present invention relates to a kind of auto parts and components carbon fibre composite 3D and print technique.
Background technology
Along with the development of auto industry, the quality requirements of people to automobile is more and more higher.In order to adapt to development and the consumer demand in epoch, car manufactures all over the world is also constantly being innovated, not only improve effect and the quality of auto parts and components, and various improvement is also carried out, to enhance productivity and to reduce cost-saving to some frocks and production line of producing auto parts and components.Current automotive body structure part and half hitch component or metallic article, in order to the realization of automotive light weight technology, developed country uses novel carbon fibre material to replace metal body structural member and half hitch component in the world, to reach automobile lightweight.
It is high that carbon fiber component has intensity, and density is low, and dimensional stability is high, constant product quality, and surface quality advantages of higher, is widely used in Aero-Space, military domain.Just such as our hot strength of the carbon fiber component that adopts Toray UT70-30 Unidirectional cloth to make can reach 1700MPa, but its density only has about 1.5g/cm3.Namely its simple tension intensity has has met or exceeded the level of high strength steel, and density but only has 1/5 of steel.Namely the application of RTM carbon fiber component product on body of a motor car significantly can reduce the weight of vehicle body, significant with minimizing motor vehicle exhaust emission to raising fuel efficiency.
Present automobile carbon fiber auto parts and components manufacture also rests on traditional RTM manufacture technics, because traditional RTM automation technolo degree is lower, molding cycle is longer, and the cost compare of carbon fibre composite is high, the general forming materials time of ratio is long, and productivity is also subject to the compacting of the low and cost of labor of suitability for industrialized production rate and causes limits throughput.
Summary of the invention
To be solved by this inventionly be, the manufacture of automobile carbon fiber auto parts and components also rests on traditional RTM manufacture technics, because traditional RTM automation technolo degree is lower, molding cycle is longer, and the cost compare of carbon fibre composite is high, the general forming materials time of ratio is long, and productivity is also subject to the compacting of the low and cost of labor of suitability for industrialized production rate and causes the problem of limits throughput.
Technical scheme of the present invention is, a kind of auto parts and components carbon fibre composite 3D prints technique, the laser sintered method of layering (SLS method) in using 3D to print and the carbon fiber hand pasting forming method in carbon fiber technique combine, realize comprising of described technique: first utilize computer CAD software creation three-dimensional CAD digital-to-analogue, computer is then utilized to carry out digital-to-analogue layering according to three-dimensional CAD data, laser sintered superposition is carried out afterwards again, the auto parts and components main body that sandblasting post processing 3D printer prints with 3D printer; Then use the carbon fiber manual pasting forming process in carbon fiber technology: auto parts and components main body need strengthen and reinforce position on brush ring epoxy resins, treat that natural gum solidifies, dry for carbon fiber cloth being layered on auto parts and components main body needs on the position of reinforcement and reinforcing, dry grind with sand paper after cured, then brush one deck epoxy resin again, the dry cloth of carbon fiber layer overlay again, uses sand paper water mill to smooth after cured, then carries out post processing with polishing machine and just can obtain finished product.
Wherein: the dry cloth of described carbon fiber can need to increase the number of plies according to actual strength at same position.
The invention has the beneficial effects as follows, auto parts and components rapid shaping carbon fiber 3D prints technique makes traditional 3D printing technique and hand paste Carbon Fiber Technology combine, the auto parts and components product produced use cheap can the combination of jointing material and carbon fibre composite, break the high cost of carbon fibre composite, and both had not defeated in the hardness of steel, substantially increase again the intensity of product, toughness and resistance to impact, substantially increase production efficiency.
Detailed description of the invention
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Think that automobile B column is that example is to further illustrate the present invention below.
In set-up procedure:
Material matrix is epoxy resin and epoxy curing agent, and 55-NC releasing agent selected by releasing agent
Reinforcing material is the dry cloth of 3K plain weave carbon fiber of Japanese Toray, and its grammes per square metre is 200g/m2.
Other auxiliary materials and instrument comprise: scissors, dustless cloth waste, blade, 3M sand paper (800#, 1000#), air gun, hairbrush, 3M polishing fluid, pneumatic polisher.
First polish to 3D printed product surface with 3M800# sand paper, the foreign matter on 3D printed product surface and dust etc. extremely without impression state, then are cleaned out with high pressure air rifle and rag by polishing.
With scissors, dry for 3K carbon fiber cloth size is cut into the carbon cloth of 500mm*500mm, and by 2 layers neat stack for subsequent use.
In forming process:
Carbon fiber epoxy resin is combined in 3D to print on product.Operate according to the following steps:
1. print hand brush one deck resin (curing agent of epoxy resin+38%) on product with hairbrush at 3D.
2., after ground floor resin gel, dry for 3K carbon fiber cloth is glued note on the resin layer, and then on the dry cloth of 3K carbon fiber hand brush one deck resin (epoxy resin+38% curing agent), to be solidified;
3., after resin solidification, to dry grind resin surface with 3M sand paper (800#), then blow clean with air gun;
4. brush one deck resin (epoxy resin+38% curing agent) again, treats gel;
5. on the resin of gel, stick the dry cloth of 3K carbon fiber again, then continue brush one deck resin (epoxy resin+38% curing agent);
6. after cured, successively use 800# and 1000#3M sand paper water mill resin surface, polish smooth.
In last handling process:
By the product file sharpened edge of having polished, then use 3M polishing fluid and pneumatic polisher polishing product surface, obtain finished product.
Present invention employs above-mentioned technological process, the auto parts and components product produced use cheap can the combination of jointing material and carbon fibre composite, break the high cost of carbon fibre composite, and both had not defeated in the hardness of steel, substantially increase again the intensity of product, toughness and resistance to impact, substantially increase production efficiency.
Claims (2)
1. an auto parts and components carbon fibre composite 3D prints technique, it is characterized in that: the laser sintered method of layering (SLS method) in using 3D to print and the carbon fiber hand pasting forming method in carbon fiber technique combine, realize comprising of described technique: first utilize computer CAD software creation three-dimensional CAD digital-to-analogue, computer is then utilized to carry out digital-to-analogue layering according to three-dimensional CAD data, laser sintered superposition is carried out afterwards again, the auto parts and components main body that sandblasting post processing 3D printer prints with 3D printer; Then use the carbon fiber manual pasting forming process in carbon fiber technology: auto parts and components main body need strengthen and reinforce position on brush ring epoxy resins, treat that natural gum solidifies, dry for carbon fiber cloth being layered on auto parts and components main body needs on the position of reinforcement and reinforcing, dry grind with sand paper after cured, then brush one deck epoxy resin again, the dry cloth of carbon fiber layer overlay again, uses sand paper water mill to smooth after cured, then carries out post processing with polishing machine and just can obtain finished product.
2. a kind of auto parts and components carbon fibre composite 3D according to claim 1 prints technique, it is characterized in that the dry cloth of described carbon fiber can need to increase the number of plies according to actual strength at same position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160050.6A CN104972677A (en) | 2014-04-14 | 2014-04-14 | Automobile part carbon fiber composite material 3D printing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160050.6A CN104972677A (en) | 2014-04-14 | 2014-04-14 | Automobile part carbon fiber composite material 3D printing process |
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| CN104972677A true CN104972677A (en) | 2015-10-14 |
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| CN201410160050.6A Pending CN104972677A (en) | 2014-04-14 | 2014-04-14 | Automobile part carbon fiber composite material 3D printing process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584885A (en) * | 2016-12-15 | 2017-04-26 | 姚胜南 | Non-metallic material product 3D printing and glass fiber reinforced plastic compounding manufacturing process |
| CN106696249A (en) * | 2015-11-13 | 2017-05-24 | 通用汽车环球科技运作有限责任公司 | Additive manufacturing of a unibody vehicle |
| CN106696248A (en) * | 2015-11-13 | 2017-05-24 | 通用汽车环球科技运作有限责任公司 | Additive manufacturing of a body component on a tube frame |
| CN108070100A (en) * | 2016-11-16 | 2018-05-25 | 上海材料研究所 | A kind of post-processing approach of fiber collaboration epoxy resin enhancing 3D printing part |
| CN109648843A (en) * | 2017-10-11 | 2019-04-19 | 戴弗根特技术有限公司 | Composite material in increasing material manufacturing structure is inlayed |
| CN109664520A (en) * | 2018-05-29 | 2019-04-23 | 广东立义科技股份有限公司 | A kind of 3D printing injection molding process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696249A (en) * | 2015-11-13 | 2017-05-24 | 通用汽车环球科技运作有限责任公司 | Additive manufacturing of a unibody vehicle |
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| CN106584885A (en) * | 2016-12-15 | 2017-04-26 | 姚胜南 | Non-metallic material product 3D printing and glass fiber reinforced plastic compounding manufacturing process |
| CN109648843A (en) * | 2017-10-11 | 2019-04-19 | 戴弗根特技术有限公司 | Composite material in increasing material manufacturing structure is inlayed |
| CN109664520A (en) * | 2018-05-29 | 2019-04-23 | 广东立义科技股份有限公司 | A kind of 3D printing injection molding process |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 315033 Changxin Road, Jiangbei District, Zhejiang, China, No. 525, No. Applicant after: NINGBO HUAXIANG AUTOMOBILE FIBER RESEARCH AND DEVELOPMENT CO., LTD. Address before: 315033 Changxin Road, Jiangbei District, Zhejiang, China, No. 525, No. Applicant before: Xiang auto parts and components research and development Co., Ltd of Ningbo China |
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| COR | Change of bibliographic data | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151014 |