CN104385628B - A kind of vacuum diversion method preparing novel carbon fiber aircushion vehicle - Google Patents
A kind of vacuum diversion method preparing novel carbon fiber aircushion vehicle Download PDFInfo
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- CN104385628B CN104385628B CN201410747384.3A CN201410747384A CN104385628B CN 104385628 B CN104385628 B CN 104385628B CN 201410747384 A CN201410747384 A CN 201410747384A CN 104385628 B CN104385628 B CN 104385628B
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- resin
- carbon fiber
- aircushion vehicle
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- vacuum
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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 present invention relates to a kind of air cushion ship vacuum diversion manufacturing process.By preparing ship model, glue spraying clothing, laying, vacuum bag material laying, evacuation, importing resin, molding, the step of demoulding manufacture hull.By the method for the present invention, reducing the bubble in article system, do not leave unnecessary resin in system, carbon fiber content is the highest 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 uniformly, in production process resin volatilization few, reach cost-effective effect.
Description
Technical field
The present invention relates to the preparation method of a kind of aircushion vehicle, particularly relate to a kind of vacuum diversion method of novel carbon fiber aircushion vehicle.
Background technology
The common hands of manufacture of air cushion vessel hull is stuck with paste in technique, and reinforcing material is laid in mould, uses brush, roller or alternate manner manual infiltration reinforcing material, and manual pasting processing disadvantages has: 1. the product quality manufactured is low, and bubble is many.2. resin consume is many, is difficult to control because of the polytropy of operator.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 the preparation method of a kind of aircushion vehicle, utilize the method can be higher with workmanship, system bubble is few, do not leave unnecessary resin, fiber content the highest can reach more than 80% aircushion vehicle.
Summary of the invention
It is an object of the invention to, by the laying of vacuum bag material in aircushion vehicle mould, it is provided that a kind of air cushion ship vacuum diversion manufacturing process technology, the bubble in minimizing system, improve product quality.
For achieving the above object, technical scheme provided by the present invention is:
A kind of air cushion ship vacuum diversion manufacturing process, comprises the following steps:
1) preparing 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 firming agent are stirred in the ratio of 100:1.5, sprays；
3) laying: carry out the laying of Bottom Plate sheet material；
4) vacuum bag material is laid: step 3) in complete first to lay demoulding cloth on the ship model of laying, described demoulding cloth is laid flow-guiding screen, on described flow-guiding screen, finally lays vacuum bag, by described vacuum bag and the described edge seal of ship model.
5) evacuation, importing resin: after evacuating air in system, resin and firming agent are carried out allotment in the ratio of 100:30 and makes resin liquid, by mozzle by uniform for described resin liquid suction system.
6) molding, demoulding: resin curing molding, throw off described vacuum bag, flow-guiding screen, release cloth, mozzle, fully carries out demoulding on moulding bed after solidification, makes finished product.
Further, in step 1) in, described drying room avoids direct sunlight, 2-4 time to be carried out of the step of described waxing.
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 uses carbon fiber chopped mat and carbon fiber unidirectional cloth, 0 ° of angle to lay；Carbon fiber chopped mat and carbon fiber unidirectional cloth, 90 ° of angles are laid；One or more modes in carbon fiber chopped mat carry out laying.
Further, described carbon fiber chopped mat, carbon fiber unidirectional cloth overlap joint less than 50 millimeters, adjacent two layers seam staggers at least 100mm, and the fissure of displacement between multilamellar is in the same direction, it is to avoid misconnection.
Further, in step 4) in, the edge sealing strip of described vacuum bag and ship model seals.
Further, in step 5) in, during described evacuation, vacuum meter keeps more than negative pressure 0.1mp 2 hours, and described resin uses 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 molding relative humidity is 40-85%.
Using technique scheme, beneficial effects of the present invention has:
The invention provides a kind of air cushion ship vacuum diversion manufacturing process, utilize in aircushion vehicle mould and lay vacuum bag material, reduce the bubble in article system, system does not leave unnecessary resin, carbon fiber content is the highest 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 uniformly, in production process resin volatilization few, reach cost-effective effect.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, 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, is not intended to limit the present invention.
One, ship model is prepared
This ship material is carbon fiber, and reinforcing material uses 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 being dried before using.
Aircushion vehicle mould is placed in drying room, it is necessary to keep the dustless free from dust in paint ground.It is dried, bright, clean and ventilate, operation scene does not allow sun direct irradiation, aircushion vehicle die surface to have higher hardness and higher gloss, and aircushion vehicle die edge at least retains 150mm, it is easy to the laying of sealing strip and pipeline, dabs off dust and the oil stain of die surface with cloth.
Described aircushion vehicle mould is cleared up, waxed, and waxing must be uniform, is at least coated with 2--4 time.
Two, glue spraying clothing
Gel coat and firming agent carry out coupling by 100:1.5 and put into and stir in container, spray after then loading onto spray gun.Gel coat thickness is 0.5mm, and gel coat uses gel coating resin for ship, and firming agent is firming agent common in art.
Three, laying
Carrying out the laying of Bottom Plate sheet material, this air cushion vessel hull laying is designed section bar laying according to existing CCS " material and welding conditions " 2012 editions and amendment circular, uses carbon fiber chopped mat and carbon fiber unidirectional cloth, 0 ° of angle to lay；Carbon fiber chopped mat and carbon fiber unidirectional cloth, 90 ° of angles are laid；One or more modes in carbon fiber chopped mat carry out laying, board clamp core material selects steel, carbon fiber, timber and polyvinyl chloride hard foam plastics (pvc) etc. according to different parts stress demand, timber as core must be dried, and its humidity is not more than 18%.
The overlap joint of carbon fiber chopped mat or carbon fiber unidirectional cloth all should be not less than 50mm, and adjacent two layers seam staggers at least 100mm, and the fissure of displacement between multilamellar should be carried out to same direction, and unsuitable before and after the fissure of displacement the most back and forth.Thickness region of variation reinforcement should extend 25mm to boundary.The region complex-shaped to some, fiber cloth sometimes must in the middle of cut off, now it should be noted that operate on less as far as possible, and stagger operating on position interlayer.Cut out the size of fibre fabric block, should be according to hull size, performance requirement and operation difficulty or ease determine, if requirement of strength is high, use the construction of masses of fibres cloth the most 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/mm2) | ≥3400 | ≥100 |
| Stretch modulus | ≥2.4*105 | 0.7*104 |
| 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 seal with sealing strip, resin to be gone through and the trend of vacuum-pumping pipeline, otherwise some places resin can cannot be impregnated into.It is very careful when spreading, in case some sharp objects puncture vacuum bag.
Five, evacuation, importing resin
Opening vacuum pump and carry out whole system evacuation, as far as possible evacuating air in system, vacuum meter keeps more than negative pressure 0.1MPa 2 hours.And checking air-tightness, air-tightness is the most crucial.Existing if any air leakage point, when resin imports, air can be in entrance system, and bubble can ooze people at air-leak section to other place, it could even be possible to make product rejection.
After evacuation reaches technology requirement, prepare resin.Resin uses unsaturated-resin peculiar to vessel, part second bonding epoxy resin, and resin and firming agent are allocated in 100:30 ratio.Then resin guide pipeline is inserted in the resin barrel prepared, open clip according to charge order successively, note the amount of resin, supplement the most in time.
Six, molding, demoulding
The temperature of hull molding should be between 20-32 DEG C, and the relative humidity of molding 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 to treat that hull, bulkhead, coaming plate and aggregate fully solidify the demoulding again after (usually hardness Barcol more than 40), should be placed on moulding bed after the demoulding, with anti-deformation, be finally made 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, carrying 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.
Embodiment described above only have expressed embodiments of the present invention, and it describes more 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, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (4)
1. an air cushion ship vacuum diversion manufacturing process, it is characterised in that comprise the following steps:
1) preparing 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 firming agent are stirred in the ratio of 100:1.5, sprays；
3) laying: carry out the laying of Bottom Plate sheet material；
4) vacuum bag material is laid: step 3) in complete first to lay demoulding cloth on the ship model of laying, described demoulding cloth is laid flow-guiding screen, on described flow-guiding screen, finally lays vacuum bag, by described vacuum bag and the edge seal of ship model；
5) evacuation, importing resin: after evacuating air in system, resin and firming agent are carried out allotment in the ratio of 100:30 and makes resin liquid, by mozzle by uniform for described resin liquid suction system；
6) molding, demoulding: resin curing molding, throw off described vacuum bag, flow-guiding screen, release cloth, mozzle, fully carries out demoulding on moulding bed after solidification, makes finished product；
Wherein, in step 3) in, described laying uses carbon fiber chopped mat and carbon fiber unidirectional cloth, 0 ° of angle to lay；Carbon fiber chopped mat and carbon fiber unidirectional cloth, 90 ° of angles are laid；One or more modes in carbon fiber chopped mat carry out laying；
Described carbon fiber chopped mat, carbon fiber unidirectional cloth overlap joint less than 50 millimeters, adjacent two layers seam staggers at least 100mm, and the fissure of displacement between multilamellar is in the same direction, it is to avoid misconnection；
In step 5) in, during described evacuation, vacuum meter keeps more than negative pressure 0.1MPa 2 hours, and described resin uses unsaturated-resin peculiar to vessel, part second bonding epoxy resin；
In step 6) in, the temperature of described curing molding is 20-32 DEG C, and molding relative humidity is 40-85%.
Aircushion vehicle vacuum diversion manufacturing process the most according to claim 1, it is characterised in that in step 1) in, described drying room avoids direct sunlight, 2-4 time to be carried out of the step of described waxing.
Aircushion vehicle vacuum diversion manufacturing process the most according to claim 1, it is characterised 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.
Aircushion vehicle vacuum diversion manufacturing process the most according to claim 1, it is characterised in that in step 4) in, the edge sealing strip of described vacuum bag and ship model seals.
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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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| CN104385628B true CN104385628B (en) | 2016-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN105058815B (en) * | 2015-07-24 | 2017-08-01 | 福建蓝海湾游艇发展有限公司 | A kind of preparation method of yacht vacuum forming |
| 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 |
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| 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 |
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