CN102717517A - Manufacturing process of glass fiber reinforced plastic - Google Patents
Manufacturing process of glass fiber reinforced plastic Download PDFInfo
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- CN102717517A CN102717517A CN2012102319421A CN201210231942A CN102717517A CN 102717517 A CN102717517 A CN 102717517A CN 2012102319421 A CN2012102319421 A CN 2012102319421A CN 201210231942 A CN201210231942 A CN 201210231942A CN 102717517 A CN102717517 A CN 102717517A
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Abstract
The invention discloses a manufacturing process of glass fiber reinforced plastic. The manufacturing process comprises the following steps of preparing colloid,: preparing the colloid according to the proportion of 98 percent of gel coat and 2 percent of curing agent under the environment of temperature of 25 DEG C and humidity of 70 percent and uniformly stirring; coating the colloid: uniformly coating the colloid prepared in the step a on a mould, wherein the using amount is 300-500 grams/square meter and the brushing thickness is 0.3-0.45 mm; gelling: gelling under a normal temperature environment for 30-40 minutes; laying glass fiber: laying a glass fiber layer; rolling resin: uniformly coating the resin on the glass fiber layer, wherein the thickness of the coating is 3.5-4.5 mm; and curing, forming and demolding under the condition of normal temperature. By using the method provided by the invention, the reject ratio of products can be effectively reduced, and the product quality can be improved and guaranteed.
Description
Technical field
The present invention relates to the FRP technology field, particularly relate to a kind of manufacture craft of fiberglass.
Background technology
Fiberglass is a kind of of composite.Glass-reinforced plastic material is because of its particular performances advantage; Moor a boat at Aero-Space, railway, decorative architecture, household furniture, advertisement displaying, process gift, building materials bathroom, yacht, physical culture is with extensive use in relevant more than ten industry of material, sanitation project or the like; And praised deeply, become the demand favorite of the businessman of New Times in the materials industry.Glass fiber reinforced plastics product also is different from the traditional material goods; On performance, purposes, life-span attribute, be superior to conventional articles greatly, it has easy moulding, customizable, the random characteristics of allocating of color, receives businessman and sellers' favor deeply; Occupy increasing market score, have a extensive future!
At present, the fiberglass processing technology of China is still not mature enough, and is damaged easily in process, produces phenomenons such as bubble, distortion, fracture, gauffer, having a strong impact on the quality of product like this.
Summary of the invention
For overcoming the deficiency that above-mentioned similar technology exists, the purpose of this invention is to provide a kind of manufacture craft of fiberglass.Adopt method provided by the invention, can effectively reduce the product fraction defective, improve and the assurance product quality.
Technical scheme of the present invention is:
A kind of manufacture craft of fiberglass the steps include:
A. join glue
In temperature is 25 degree, and humidity is under 70% the environment, to account for 98% according to gel coat, and curing agent 2% ratio is joined glue, and stirs; If the amount of curing agent is too high or too low, the resistance to water of goods and weatherability are reduced.Must fully stir gel coat, if mixing is inhomogeneous, can make product surface spot and striped occur, this not only influences outward appearance, but also can reduce its physical property.And it is slow in order to avoid sneak into bubble that mixing speed is wanted.
B. gluing
The colloid of configuration in the step 1 is evenly coated on the mould, and consumption is 300-500g/ square metre, and brushing thickness is about 0.3-0.45mm.Before gluing, die surface need be waxed fully.Application gel coat again after must waiting its water evaporates intact with water-soluble demoulding wax.The thickness of gel coating resin will suit, can not be too thin, but can not be too thick, if gel coat is too thin, may solidify not exclusively, and the glass fibre at the gel coat back side reveals easily, and influence presentation quality, do not have the effect that beautifies with the cover glass steel part; If gel coat is blocked up, then be easy to generate be full of cracks, impact resistance particularly is not unable to bear the impact that comes from goods reverse side direction.The gel coat brushing is inhomogeneous, in knockout course, also causes crackle easily, and this is because surface cure speed differs, and makes the inner cause that produces stress of resin.
C. gel
Gel in normal temperature environment, gel time are 30-40 minute; The state of cure of gel coating resin must be grasped.The best approach whether the inspection gel coating resin solidifies appropriateness makes the employing digital palpation for examination of trauma promptly touch gel coating resin surface with thousand clean fingers; If feel to be clamminess a little a little but when tack-free; Explain that gel coating resin solidifies basically; At this moment can carry out next step operation, to guarantee the globality of gel coating resin and back sheet.
D. spread glass fibre
Lay glass layer;
E. roll resin
Resin is evenly coated on the glass layer, and coating layer thickness is 3.5-4.5mm.
F. under the normal temperature condition, the demoulding behind the curing molding.Generally under normal temperature condition, leave standstill and got final product cure and demold in 2-4 hour.
Gel coat of the present invention be between benzene neopentyl glycol type gel coat, metaphenylene gel coat or adjacent benzene type gel coat.Between the matrix resin of benzene neopentyl glycol type gel coat be a neopentyl glycol/benzoic acid unsaturated polyester.The structure of resin is given its good mechanical performance and weatherability, is specially adapted to weather-proof and the demanding place of resistance to water.The matrix resin of metaphenylene gel coat is the metaphenylene unsaturated polyester resin, has high mechanical properties, high temperature resistant, corrosion resistance and oxidation resistent susceptibility.The matrix resin of adjacent benzene type gel coat is adjacent benzene type unsaturated polyester resin, has characteristics such as weather-proof preferably, water-fast, shock-resistant, is applicable to the glass fiber reinforced plastics product of having relatively high expectations.
Resin is the matrix material in the fiberglass, and its effect is between fiber, to transmit power load, heat-resisting, corrosion-resistant, the ageing-resistant performance of its decision fiberglass.Resin of the present invention can adopt unsaturated polyester resin (UP), epoxy resin, phenolic resins, thermosetting resin (furans resin, melamine resin, polybutadiene, organic siliconresin etc.), polyurethane resin; And other type thermoplastic resins, for example thermoplastic resins such as polyethylene, polypropylene, polystyrene, SAN (SAN or AS resin), ABS resin, polyamide, Merlon, polyformaldehyde, polyimides, modified polyimide, polysulfones, polysulfones ether, PAEK, polyphenylene sulfide, aromatic polyester.
Unsaturated polyester resin, model commonly used are 191,196 etc., and it is cheap, curing molding is fast, and suitable manufacturing is the simple glass steel part independently.
Glass fibre can be selected for use: short felt, needled mat or the fiberglass surfacing mat cut.The distinctive production technology of fiberglass surfacing mat, it is even to determine that it has the surfacing fiber dispersion, and feel is submissive, good permeability, characteristics such as resin impregnated speed is fast.Fiberglass surfacing mat is applied to glass fiber reinforced plastics product, and the high ventilation performance makes the resin rapid osmotic, thoroughly eliminates bubble and white stain phenomenon; Product that its good volt mould sexual compatibility Any shape is complicated and die products surface; It can cover woven design, improves surface smoothness and antiseep property, strengthens interlaminar shear strength and surface toughness simultaneously; Improving the corrosion resistance and the weather resisteant of product, is the essential articles for use of making high quality glass steel mold and goods.
The specific practice of its steps d of the present invention and step e is:
Be equipped with material: prepare chopped mat, 04 glass cloth, 06 glass cloth and 02 glass cloth; The mixture of preparation resin and curing agent, wherein curing agent accounts for 1-2%;
Lay: lay one deck chopped mat, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck 06 glass cloth, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck chopped mat, even again brushing one deck resin compound; Lay one deck 02 glass cloth, even again brushing one deck resin compound.
Beneficial effect of the present invention:
The invention provides a kind of manufacture craft of fiberglass, each road processing step of fiberglass is all very crucial and important, wants strict the execution in process of production.Adopt method provided by the invention, can effectively reduce the product fraction defective, improve and the assurance product quality.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of manufacture craft of fiberglass the steps include:
A) join glue: in temperature is 25 degree, and humidity is under 70% the environment, to account for 98% according to gel coat, and curing agent 2% ratio is joined glue, and stirs;
B) gluing: the colloid that disposes among the step a is evenly coated on the mould, and consumption is 300-500g/ square metre, and brushing thickness is about 0.3-0.45mm.
C. gel: gel in normal temperature environment, gel time are 30-40 minute;
D. spread glass fibre: lay glass layer;
E. roll resin: resin is evenly coated on the glass layer, and coating layer thickness is 3.5-4.5mm;
F. under the normal temperature condition, the demoulding behind the curing molding.
The present invention needs the cleaning mould before the gluing, and to the mould processing of waxing.Specific practice is: with the foreign material on the hairbrush cleaning mold, require to accomplish spotless as far as possible.Can select solid wax or liquid wax on request during waxing.Solid wax commonly used is No. 8 waxes, and liquid wax is pmr.Solid wax is moderate, and cost is low; The liquid wax price comparison is expensive, but its better effects if.The specific requirement of waxing: thin sponge is sticking gets wax liquid and smears die surface uniformly, leaves standstill cooling after 5 minutes, firmly puts on the skin with cotton again, guarantees the die surface smooth.Waxing can be conveniently stripped, guarantees that finished product is can sticking to mould not damaged, reduction in the numbers of seconds.
The present invention is after gluing, and is often smooth inadequately, even because have gluing, and bubble perhaps has the phenomenon of damage or cure shrinkage.In order to improve the quality of fiberglass, improve yield rate.After gluing, the present invention has set up the step of mending brush resin mud.Specific practice is: at first dispose resin mud, get resin and talcum powder, resin and talcum powder mix back subsequent use by 3: 4 proportioning; The resin mud that above-mentioned configuration forms is evenly brushed in the bent angle of the gel coating resin after gel, right angle, flange and circle corner.Bent angle, right angle, flange and circle corner often can't be pressed onto or be difficult to catch up with the position of bubble exactly with iron roller, need replenish brushing resin mud at these positions exactly.
The stacking sequence of laying glass layer of the present invention, method, reinforcement position and the number of plies are carried out according to the product technological requirement.Must keep dry before the glass fibre lay, want smooth no wrinkle behind the lay.The specific practice of its steps d of the present invention and step e is:
Be equipped with material: prepare chopped mat, 04 glass cloth, 06 glass cloth and 02 glass cloth; The mixture of preparation resin and curing agent, wherein curing agent accounts for 1-2%;
Lay: lay one deck chopped mat, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck 06 glass cloth, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck chopped mat, even again brushing one deck resin compound; Lay one deck 02 glass cloth, even again brushing one deck resin compound.
Adopting above-mentioned glass fibre and above-mentioned laying method, is for the thickness that guarantees the fiberglass finished product and the intensity of product, makes it to be different from the market other fibre glass product manufacture.Fiberglass finished product of the present invention has higher hardness and mechanical strength.
In rolling resin steps, the operator is will be very careful, " sharp-eyed and quick-moving ", and is firmly moderate, in that resin is uncured when also rolling movingly, rolls each angle, corner, limit all over significant surface, catches up with the bubble in the layer of most product shop.If find that gauffer, out-of-flatness, foreign material, resin pocket are arranged or flood bad, and iron roller roll less than the place, in time handle with hairbrush and iron roller.After the product nip drum, check whether the product inner surface is smooth, have or not burr, and in time handle.
The above is merely the preferred embodiments of the present invention; Be not therefore to limit claim of the present invention; Every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. the manufacture craft of a fiberglass the steps include:
A. join glue: in temperature is 25 degree, and humidity is under 70% the environment, to account for 98% according to gel coat, and curing agent 2% ratio is joined glue, and stirs;
B. gluing: the colloid that disposes among the step a is evenly coated on the mould, and consumption is 300-500g/ square metre, and brushing thickness is about 0.3-0.45mm.
C. gel: gel in normal temperature environment, gel time are 30-40 minute;
D. spread glass fibre: lay glass layer;
E. roll resin: resin is evenly coated on the glass layer, and coating layer thickness is 3.5-4.5mm;
F. under the normal temperature condition, the demoulding behind the curing molding.
2. the manufacture craft of fiberglass according to claim 1 is characterized in that: the gel coat described in the step a be between benzene neopentyl glycol type gel coat, metaphenylene gel coat or adjacent benzene type gel coat.
3. the manufacture craft of fiberglass according to claim 1, it is characterized in that: the resin described in the step e is saturated polyester resin, epoxy resin or phenolic resins.
4. the manufacture craft of fiberglass according to claim 1 is characterized in that: the glass fibre described in the steps d is selected short cut felt, needled mat or fiberglass surfacing mat for use.
5. the manufacture craft of fiberglass according to claim 1 is characterized in that: needs cleaning mould before gluing, and to the mould processing of waxing, specific practice is: with the foreign material on the hairbrush cleaning mold, requirement is accomplished spotless as far as possible; The specific requirement of waxing: thin sponge is sticking gets wax liquid and smears die surface uniformly, leaves standstill cooling after 5 minutes, firmly puts on the skin with cotton again, guarantees the die surface smooth.
6. the manufacture craft of fiberglass according to claim 5, it is characterized in that: what select for use in the said waxing process is solid wax or liquid wax.
7. the manufacture craft of fiberglass according to claim 1; It is characterized in that: set up the step of mending brush resin mud after the said step c; Specific practice is: at first dispose resin mud, get resin and talcum powder, resin and talcum powder mix back subsequent use by 3: 4 proportioning; The resin mud that above-mentioned configuration forms is evenly brushed in the bent angle of the gel coating resin after gel, right angle, flange and circle corner.
8. the manufacture craft of fiberglass according to claim 1, it is characterized in that: the specific practice of said steps d and step e is:
Be equipped with material: prepare chopped mat, 04 glass cloth, 06 glass cloth and 02 glass cloth; The mixture of preparation resin and curing agent, wherein curing agent accounts for 1-2%;
Lay: lay one deck chopped mat, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck 06 glass cloth, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck 04 glass cloth, even again brushing one deck resin compound; Lay one deck chopped mat, even again brushing one deck resin compound; Lay one deck 02 glass cloth, even again brushing one deck resin compound.
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| CN2012102319421A CN102717517A (en) | 2012-07-06 | 2012-07-06 | Manufacturing process of glass fiber reinforced plastic |
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| CN2012102319421A CN102717517A (en) | 2012-07-06 | 2012-07-06 | Manufacturing process of glass fiber reinforced plastic |
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| CN103042734A (en) * | 2013-01-22 | 2013-04-17 | 益阳卡斯达尔复合材料有限公司 | High-strength fiber composite material, preparation method thereof and application thereof in sanitation compartment |
| CN104149363A (en) * | 2014-07-04 | 2014-11-19 | 江苏海纬集团有限公司 | Process for manufacturing glass steel products |
| CN104191732A (en) * | 2014-09-03 | 2014-12-10 | 广东江龙船舶制造有限公司 | Glass fiber reinforced plastic test board and manufacturing method thereof |
| CN104249461A (en) * | 2013-06-27 | 2014-12-31 | 蒋娇 | Manufacturing method of glass steel by hand molding |
| CN105014995A (en) * | 2014-04-25 | 2015-11-04 | 宝山钢铁股份有限公司 | Thermal treatment method for anode box body manufactured by vinyl-based resin glass reinforced plastic |
| CN105269829A (en) * | 2014-07-03 | 2016-01-27 | 中山东尚复合材料有限公司 | Forming method for glass fiber resin slideway |
| CN105313348A (en) * | 2015-11-19 | 2016-02-10 | 无锡金鑫集团股份有限公司 | Manual pasted glass steel double-mold and molding process thereof |
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| CN106079476A (en) * | 2016-07-11 | 2016-11-09 | 浙江澳托美克船业有限公司 | A kind of fiberglass dyeing coating technique |
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Application publication date: 20121010 |