CN104385628A - Vacuum diversion method for preparing novel carbon fiber hovercraft - Google Patents
Vacuum diversion method for preparing novel carbon fiber hovercraft Download PDFInfo
- Publication number
- CN104385628A CN104385628A CN201410747384.3A CN201410747384A CN104385628A CN 104385628 A CN104385628 A CN 104385628A CN 201410747384 A CN201410747384 A CN 201410747384A CN 104385628 A CN104385628 A CN 104385628A
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- China
- Prior art keywords
- resin
- carbon fiber
- aircushion vehicle
- manufacturing process
- vacuum
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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
- B29C70/04—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
- B29C70/34—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention relates to a novel hovercraft vacuum diversion manufacture technology. A hovercraft body is manufactured by comprising the following steps: preparing a hovercraft mold, spraying a gel coat, laying up, laying vacuum bag materials, vacuumizing, guiding-in resin, molding and demolding. By the method provided by the invention, air bubbles in a product system are reduced, and redundant resin is not left in the system; the content of carbon fibers can be up to more than 80%; the hovercraft is relatively light in weight, and relatively high in intensity; the resin consumption in the manufacture process is relatively low; moreover, the resin distribution is uniform; the resin volatilization in the production process little occur; the effect of lowering the cost is achieved.
Description
Technical field
The present invention relates to a kind of preparation method of aircushion vehicle, particularly relate to a kind of vacuum diversion method of novel carbon fiber aircushion vehicle.
Background technology
The common hand of manufacture of air cushion vessel hull is stuck with paste in technique, and reinforcing material is laid in mould, adopts brush, and roller or alternate manner infiltrate reinforcing material by hand, and manual pasting processing disadvantages has: 1. produced product quality is low, and bubble is many.2. resin consume is many, restive because of the polytropy of operating personnel.3. resin distribution is uneven.4. in production process, resin volatilization is many.5. there is out-of-flatness etc. in product.
Therefore, at present in the urgent need to a kind of preparation method of aircushion vehicle, utilize the method can workmanship higher, system bubble is few, do not leave unnecessary resin, fiber content very high can reach more than 80% aircushion vehicle.
Summary of the invention
The object of the invention is to, by the laying of vacuum bag material in aircushion vehicle mould, provide a kind of New hover craft vacuum diversion manufacturing process technology, the bubble in minimizing system, improves the quality of products.
For achieving the above object, technical scheme provided by the present invention is:
A kind of New hover craft vacuum diversion manufacturing process, comprises the following steps:
1) prepare ship model: be placed in drying room by aircushion vehicle mould, described aircushion vehicle mould retains the edge of more than 150mm; Described aircushion vehicle mould is cleared up, waxed;
2) glue spraying clothing: gel coat and curing agent are stirred in the ratio of 100:1.5, sprays;
3) laying: the laying of carrying out Bottom Plate sheet material;
4) vacuum bag material is laid: step 3) in complete laying ship model on first lay demoulding cloth, flow-guiding screen laid by described demoulding cloth, finally on described flow-guiding screen, lays vacuum bag, by the described edge seal of described vacuum bag and ship model.
5) vacuumize, import resin: after evacuating air in system, resin and curing agent are carried out allotment in the ratio of 100:30 and makes resin liquid, by mozzle by even for described resin liquid suction system.
6) shaping, demoulding: resin solidification is shaping, throws off described vacuum bag, flow-guiding screen, release cloth, mozzle, fully on moulding bed, carries out demoulding after solidification, makes finished product.
Further, in step 1) in, direct sunlight avoided by described drying room, and the step of described waxing will be carried out 2-4 time.
Further, in step 2) in, the thickness of described glue spraying clothing is 0.5 millimeter, and described gel coat uses gel coating resin for ship.
Further, in step 3) in, described laying adopts that carbon fiber is short cuts felt and carbon fiber unidirectional cloth, and 0 ° of angle is laid; Carbon fiber is short cuts felt and carbon fiber unidirectional cloth, and 90 ° of angles are laid; Short one or more modes of cutting in felt of carbon fiber carry out laying.
Further, described carbon fiber is short cuts felt, the overlap joint of carbon fiber unidirectional cloth is less than 50 millimeters, and adjacent two layers seam staggers at least 100mm, and the fissure of displacement between multilayer in the same direction, avoids misconnection.
Further, in step 4) in, the edge sealing strip of described vacuum bag and ship model seals.
Further, in step 5) in, described in when vacuumizing, vacuum meter keeps more than negative pressure 0.1mp 2 hours, and described resin adopts unsaturated-resin peculiar to vessel, part second bonding epoxy resin.
Further, in step 6) in, the temperature of described curing molding is 20-32 DEG C, and shaping relative humidity is 40-85%.
Adopt technique scheme, beneficial effect of the present invention has:
The invention provides a kind of New hover craft vacuum diversion manufacturing process, utilize in aircushion vehicle mould and lay vacuum bag material, reduce the bubble in article system, unnecessary resin is not left in system, carbon fiber content is very high can reach more than 80%, and aircushion vehicle weight is lighter, and intensity is higher.In manufacturing process, resin consume is less, and resin distribution evenly, in production process resin volatilization few, reach cost-saving effect.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
One, ship model is prepared
This ship material is carbon fiber, and reinforcing material adopts alkali-free peculiar to vessel non-twist without the positive adhesive plaster of wax, should put 3 ~ 4 days at hothouse or dry 2 ~ 4h in the baking oven of 100 ~ 110 degrees Celsius, keep dry before using.
Aircushion vehicle mould is placed in drying room, the dustless free from dust in paint ground must be kept.Drying, bright, clean and ventilation, operation site does not allow sun direct irradiation, and aircushion vehicle die surface will have higher hardness and higher gloss, and aircushion vehicle die edge at least retains 150mm, be convenient to the laying of sealing strip and pipeline, dab off dust and the oil stain of die surface with cloth.
Clear up described aircushion vehicle mould, wax, waxing must be even, is at least coated with 2--4 time.
Two, glue spraying clothing
Gel coat and curing agent carry out coupling by 100:1.5 and put in container and stir, and spray after then loading onto spray gun.Gel coat thickness is 0.5mm, and gel coat uses gel coating resin for ship, and curing agent is curing agent common in art.
Three, laying
Carry out the laying of Bottom Plate sheet material, this air cushion vessel hull laying is according to existing CCS " material and welding conditions " 2012 editions and revise circular and carry out design section bar laying, adopts that carbon fiber is short cuts felt and carbon fiber unidirectional cloth, and 0 ° of angle is laid; Carbon fiber is short cuts felt and carbon fiber unidirectional cloth, and 90 ° of angles are laid; Short one or more modes of cutting in felt of carbon fiber carry out laying, sheet material Sandwich materials selects steel, carbon fiber according to the stressed demand of different parts, timber and polyvinyl chloride hard foam plastics (pvc) etc., timber as core must be dry, and its humidity is not more than 18%.
The short overlap joint cutting felt or carbon fiber unidirectional cloth of carbon fiber all should be not less than 50mm, and adjacent two layers seam staggers at least 100mm, and the fissure of displacement between multilayer should carry out to same direction, and unsuitable before and after the fissure of displacement back and forth.Varied in thickness region reinforcement should extend 25mm to boundary.The region complex-shaped to some, fiber cloth sometimes must in the middle of cut off, now should note operating on less, and handle is operated on position interlayer and is staggered as far as possible.Cut out the size of fibre fabric block, should according to hull size, performance requirement and operation difficulty or ease are determined, if requirement of strength is high, then adopt the construction of masses of fibres cloth as far as possible.
Marine carbon fiber mechanical property, glass fibre reinforced plastic structure laminate mechanical property should meet the requirement in table 1.
Table 1
| Carbon fibre material | Glass-reinforced plastic material | |
| Resin content (%) | 45-50 | 55-65 |
| Hot strength (N/mm 2) | ≥3400 | ≥100 |
| Stretch modulus | ≥2.4*10 5 | 0.7*10 4 |
| Bending strength | ≥700 | ≥150 |
| Hardness Barcol | ≥40 | ≥40 |
| Interlaminar shear strength | ≥40 | ≥40 |
Four, vacuum bag material is laid
First spread release cloth, then spread flow-guiding screen, finally spread vacuum bag.Before vacuum bag and die edge are with sealing strip sealing, carefully will check the trend of resin and vacuum-pumping pipeline, otherwise some places resin can cannot be impregnated into.Be very careful when spreading, in case some sharp objects puncture vacuum bag.
Five, vacuumize, import resin
Open vavuum pump to carry out vacuumizing whole system, as far as possible evacuating air in system, vacuum meter keeps more than negative pressure 0.1mp 2 hours.And checking air-tightness, air-tightness is very crucial.Exist if any gas leakage point, when resin imports, air can enter in system, and bubble can ooze people at air-leak section to other place, even likely makes product rejection.
Vacuumize after reaching technical requirement, prepare resin.Resin adopts unsaturated-resin peculiar to vessel, part second bonding epoxy resin, and resin and curing agent are allocated in 100:30 ratio.Then resin guide pipeline is inserted in the resin barrel prepared, open clip successively according to charge order, note the amount of resin, supplement in time if desired.
Six, shaping, demoulding
The shaping temperature of hull should between 20-32 DEG C, and shaping relative humidity between 40%-85%, and should keep stable.Hardening of resin to a certain extent after, throw off vacuum bag, flow-guiding screen, release cloth, mozzles etc., need treat hull, bulkhead, the demoulding again after coaming plate and aggregate fully solidify (being generally hardness Barcol more than 40), should be placed on moulding bed after the demoulding, with anti-deformation, finally make finished product.
After the hull demoulding, according to Register of Shipping of the People's Republic of China's " specification built by fibre reinforced plastics ship " requirement, carry out watertight experiment, available external water pressure of dazzling replaces water filling test.This ship ballast is this ship dead weight, should keep 4 hours after immersion, examines with or without Seepage, as qualified in not having Seepage to be considered as watertight.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. a New hover craft vacuum diversion manufacturing process, is characterized in that, comprises the following steps:
1) prepare ship model: be placed in drying room by aircushion vehicle mould, described aircushion vehicle mould retains the edge of more than 150mm; Described aircushion vehicle mould is cleared up, waxed;
2) glue spraying clothing: gel coat and curing agent are stirred in the ratio of 100:1.5, sprays;
3) laying: the laying of carrying out Bottom Plate sheet material;
4) vacuum bag material is laid: step 3) in complete laying ship model on first lay demoulding cloth, flow-guiding screen laid by described demoulding cloth, finally on described flow-guiding screen, lays vacuum bag, by the edge seal of described vacuum bag and ship model;
5) vacuumize, import resin: after evacuating air in system, resin and curing agent are carried out allotment in the ratio of 100:30 and makes resin liquid, by mozzle by even for described resin liquid suction system;
6) shaping, demoulding: resin solidification is shaping, throws off described vacuum bag, flow-guiding screen, release cloth, mozzle, fully on moulding bed, carries out demoulding after solidification, makes finished product.
2. aircushion vehicle vacuum diversion manufacturing process according to claim 1, is characterized in that, in step 1) in, direct sunlight avoided by described drying room, and the step of described waxing will be carried out 2-4 time.
3. aircushion vehicle vacuum diversion manufacturing process according to claim 1, is characterized in that, in step 2) in, the thickness of described glue spraying clothing is 0.5 millimeter, and described gel coat uses gel coating resin for ship.
4. aircushion vehicle vacuum diversion manufacturing process according to claim 1, is characterized in that, in step 3) in, described laying adopts that carbon fiber is short cuts felt and carbon fiber unidirectional cloth, and 0 ° of angle is laid; Carbon fiber is short cuts felt and carbon fiber unidirectional cloth, and 90 ° of angles are laid; Short one or more modes of cutting in felt of carbon fiber carry out laying.
5. aircushion vehicle vacuum diversion manufacturing process according to claim 4, it is characterized in that, described carbon fiber is short cuts felt, the overlap joint of carbon fiber unidirectional cloth is less than 50 millimeters, adjacent two layers seam staggers at least 100mm, the fissure of displacement between multilayer in the same direction, avoids misconnection.
6. aircushion vehicle vacuum diversion manufacturing process according to claim 1, is characterized in that, in step 4) in, the edge sealing strip of described vacuum bag and ship model seals.
7. aircushion vehicle vacuum diversion manufacturing process according to claim 1, is characterized in that, in step 5) in, described when vacuumizing, vacuum meter keeps more than negative pressure 0.1mp 2 hours, and described resin adopts unsaturated-resin peculiar to vessel, part second bonding epoxy resin.
8. aircushion vehicle vacuum diversion manufacturing process according to claim 1, is characterized in that, in step 6) in, the temperature of described curing molding is 20-32 DEG C, and shaping relative humidity is 40-85%.
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| CN201410747384.3A CN104385628B (en) | 2014-12-09 | 2014-12-09 | A kind of vacuum diversion method preparing novel carbon fiber aircushion vehicle |
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| CN201410747384.3A CN104385628B (en) | 2014-12-09 | 2014-12-09 | A kind of vacuum diversion method preparing novel carbon fiber aircushion vehicle |
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Cited By (6)
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| CN105058814A (en) * | 2015-08-03 | 2015-11-18 | 沈阳闪宁科技有限公司 | Method for manufacturing carbon fiber resin matrix composite |
| CN105058815A (en) * | 2015-07-24 | 2015-11-18 | 福建蓝海湾游艇发展有限公司 | Vacuum formation preparation method for yacht |
| CN106313580A (en) * | 2016-08-29 | 2017-01-11 | 陈步东 | Preparation method for arc-shaped glass fiber reinforced plastic cover plate |
| CN106393732A (en) * | 2016-11-29 | 2017-02-15 | 集美大学 | Manufacturing method of yacht |
| CN106515136A (en) * | 2016-11-02 | 2017-03-22 | 长兴勇强塑胶有限公司 | A preparing method of a high-strength inflatable boat |
| CN108000894A (en) * | 2017-11-08 | 2018-05-08 | 江西洪都航空工业集团有限责任公司 | A kind of continuous load-carrying construction of global formation composite material orthogonal muscle |
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| CN108145991A (en) * | 2018-02-23 | 2018-06-12 | 沈阳朗峰科技有限公司 | A kind of preparation process of carbon fiber without mold vacuum diversion |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106313580A (en) * | 2016-08-29 | 2017-01-11 | 陈步东 | Preparation method for arc-shaped glass fiber reinforced plastic cover plate |
| CN106515136A (en) * | 2016-11-02 | 2017-03-22 | 长兴勇强塑胶有限公司 | A preparing method of a high-strength inflatable boat |
| CN106515136B (en) * | 2016-11-02 | 2019-02-19 | 威海新大方户外用品有限公司 | A kind of preparation method of high intensity inflatable dinghy |
| CN106393732A (en) * | 2016-11-29 | 2017-02-15 | 集美大学 | Manufacturing method of yacht |
| CN108000894A (en) * | 2017-11-08 | 2018-05-08 | 江西洪都航空工业集团有限责任公司 | A kind of continuous load-carrying construction of global formation composite material orthogonal muscle |
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| CN104385628B (en) | 2016-08-31 |
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