CN102675846B - Glass fiber reinforced plastic lighting fixture shell and processing technology thereof - Google Patents
Glass fiber reinforced plastic lighting fixture shell and processing technology thereof Download PDFInfo
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- CN102675846B CN102675846B CN201210047507.3A CN201210047507A CN102675846B CN 102675846 B CN102675846 B CN 102675846B CN 201210047507 A CN201210047507 A CN 201210047507A CN 102675846 B CN102675846 B CN 102675846B
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Abstract
The invention relates to a glass fiber reinforced plastic lighting fixture shell, belonging to the technical field of outdoor lighting fixture processing. According to the processing technology disclosed by the invention, organic glass fiber reinforced plastic substitutes for aluminium, aluminium alloy or magnesium alloy material, wherein the organic glass fiber reinforced plastic comprises the following raw material components: unsaturated polyester resin, polyester gel coat resin, roving checked cloth, a chopped fiber felt, a surface mat, a curing agent, an accelerating agent, a demoulding agent and a thin film. The processing technology of the glass fiber reinforced plastic lighting fixture shell comprises the following steps of: automatically inspecting a construction site, carrying out pre-treatment on a mould, selecting a reinforcing material, cutting the reinforcing material, selecting a polyester resin glue solution, preparing the polyester resin glue solution, carrying out gel coat construction, pasting, solidifying, and carrying out product inspection, thus the glass fiber reinforced plastic lighting fixture shell is obtained. The glass fiber reinforced plastic lighting fixture shell product disclosed by the invention has the advantages of corrosion resistance, flame retardance, light weight, high strength, ageing resistance, strong designability, safety, skid resistance, excellent electrical property, no magnetic property and safety in use in anti-electromagnetic anti-knock environment.
Description
Technical field
The invention belongs to outdoor lamp processing technique field.
Background technology
Road illuminating lamp shell adopts the metals such as the liquid aluminum or aluminum alloy of heating to pour into the feeding mouth of pressure die-casting machine conventionally at present, through pressure die-casting machine die casting, casts out the shell of the shape and size of mould restriction.Molten metal is with high speed filling die cavity.The complete processing step that it is common: injection, pressurize, die sinking, the pickup of loosing core, surface quality inspection, ageing treatment, cleaning (trimming), casting impregnation, shot peening are prepared, poured into a mould to pressure die-casting machine debugging, transfer mold installation, design of Die Casting and manufacture, mould and die preheating, coating, coating, mold cleaning, mould assembly (matched moulds), alloy melting insulation, inserts.
Die casting at high temperature, at a high speed, be shaped under condition of high voltage, under ideal conditions, die casting mould filling process is broadly divided into three phases.First stage be aluminium alloy by injection people die cavity, directly impact opposite die cavity, and expand rapidly generation housing along limit wall to all directions; Subordinate phase is that the aluminium alloy continuation deposition that enters subsequently die cavity is full of die cavity; Phase III is that the under high pressure compacting of aluminium alloy in die cavity is cooling.
The problem that existing road illuminating lamp shell complete processing exists:
1, easily there is owing the moulding class defects such as casting, unclear, the current mark in corner, pitted skin and cold shut.
2, pull, the demoulding class defect such as distortion.
3, while filling type, exhaust is smooth and wrap up in gas, is prone to pore, and life-time service can affect the physical strength of foundry goods under soda acid, salt, corrosive environment.
4, in die sinking, the phenomenon of the misrun that easily produces while removing gating system and overflow groove while loosing core.
Summary of the invention
The object of this invention is to provide a kind of glass reinforced plastic lamp outer casing and complete processing, easily occur the problems such as demoulding class, moulding class, pore class and misrun phenomenon to solve prior art.
It is to adopt perspex steel substitution of Al, aluminium alloy or magnesium alloy materials that the present invention solves the method that its technical problem adopts, and starting material component and the weight percent proportioning of perspex steel are: unsaturated polyester resin 46%-50%, polyester adhesive coating resin 1%-2%, roving woven roving 22%-27%, chopped mat 19%-24%, surperficial felt 2%-4%, solidifying agent 0.5%-1%, promotor 0.5-1%, releasing agent 0.1%-0.5%, film 0.1%-0.5%.
Glass reinforced plastic lamp outer casing complete processing is as follows:
1, self check working-yard: whether self check working-yard meets operational requirement: 15 ℃-30 ℃ of temperature, humidity 70%-80%.
2, process the early stage of mould: operator are according to drawing self check mould, after qualified, clean out the surface of mould, then cutting film on request, film uses glassine paper, polyester film or polyvinyl chloride film, film should be without blank and gauffer, after cutting, be bonded on the surface of mould fixed mould with releasing agent.
3, the selection of strongthener: bottom adopts alkali-free roving woven roving, specification 0.1,0.2,0.4mm goods rest part adopt medium-alkali roving woven roving, specification is 0.1,0.2,0.4mm, injection shell adopts alkali-free chopped mat, specification is 0.1,0.2,0.4mm, and resin-rich layer is selected surperficial felt 0.4mm.
4, strongthener is cut out: the goods of simple shape, can be by size directly cutting, the cutting out by ready-made pattern of complicated shape, what paste by overlap joint leaves lap length 40-50mm.
5, the selection of vibrin glue: housing parts adopts 196 unsaturated polyester resin glues.Surface polyester gel coat adopts polyester adhesive coating resin 33.Solidifying agent adopts methylethyl ketone peroxide, and promotor adopts cobalt naphthenate.
6, the preparation of vibrin glue
Vibrin used is first added solidifying agent methylethyl ketone peroxide by a, stirs, and then adds according to quantity promotor cobalt naphthenate, stirs, and is used while allocating.Cold-curing formula adds the vibrin of curing formula and solidifying agent, in 8 hours, finish using.
B fiber glass resin content is measured, and fiberglass reinforced plastic hand is stuck with paste structural sheet resin content 45%-55%.
C glass reinforced plastic degree of cure is measured, fiberglass reinforced plastic degree of cure >=80%.
D glass reinforced plastic flexural strength is measured, fiberglass reinforced plastic >=147mpa.
7, gel coat construction
A sprays gel coat: after releasing agent complete drying, spray or brush by the gel coating resin of formulated, coating is no more than 0.3-0.5mm, and coating is wanted evenly, gel coating resin spray twice, each interval time 40-60 minute.
B pastes
Gel coat surface, treat the initial set of polyester gel coat, feel pastes when soft and not sticky, first be coated with on polyester gel coat surface the resin adhesive liquid that one deck prepares, then spread layer of surface felt, pave, soak into, repeatedly scrape crowded, discharge bubble, by laying arrangement, gluing paving cloth hockets to required thickness, and soaks into, spread reality, drives bubble out of.
Without gel coat surface, until releasing agent cool but after, surface is coated with the resin adhesive liquid for preparing of one deck, paving one deck roving woven roving, paves, and soaks into, catches up with bubble, then by laying arrangement, gluing paving cloth hockets to required thickness, the two-layer resin that makes in surface is saturated.
When refining, the splicing of laying makes product strength loss reduction, does not affect again outward appearance, conventionally adopts dock and staged laying, the seam width 40-50mm that staggers.The gel content of hand paste is controlled between 45%-55%, Working environment, 15 ℃-30 ℃ of temperature, humidity 70%-80%.
Paste in process, need add metal insert time, metalwork surface should be processed totally, guarantees that bonding is firm, in order to make metalwork correct position, should on mould, locate.
While pasting the glass fiber reinforced plastics product of the thicker 10mm of exceeding, adopt and reduce promotor add-on, add long gel time and solve.
8, solidify: solidify hand pasting forming synthetic glass steel workpiece 24-30 hour, can reach demoulding strength.After the demoulding, goods must be in the environment of 15 ℃-30 ℃, continues to solidify can use for 7-9 days.
9, the examination and test of products:
A visual inspection: have the product of gel coat, surface should smooth, flawless, and color and luster is even, non-wrinkled, the phenomenon such as peels off, if defectiveness product standard allows to repair, repairs, and should keep color and luster consistent; Goods must not have obvious defect, starved, gum deposit, layering, fiber to appear, and cut surface is not sealed up resin etc. and determined whether and reprocess by product standard.
B checks product thickness: geometrical dimension and tolerance, whether built-in fitting meets design requirements.
C Barcol hardness is greater than 35HBa.
D spot inspection: hand touch fiber-reinforced plastic product surface have or not sticky sense to knock goods to listen sound be fuzzy or clear and melodiously to draw down and do not go out trace wound with coin.
Adopt positively effect of the present invention to be:
1, corrosion-resistant: the difference of resin property gives glass reinforced plastic different corrosion resistance natures, make life-time service under the corrosive environment of the gas of different soda acids, salt, organic solvent, liquid medium.
2, the resin of fire-retardant high-quality and flame-retardant additive are given the flame retardant properties of product fine, and flame retardant products oxygen index is greater than 26, and flame spread coefficient is less than 25, and smoke density is less than 500.
3, high-strength light: the perfect adaptation of alkali-free glass fibre yarn and resin, the characteristic of giving the high-strength light of product uniqueness, the proportion of product is 1/4 of steel, is applicable to various bearing structures under corrosive environment.
4, ageing-resistant: product adds age-inhibiting addition by the matrix resin of high-quality, make product there is lasting ageing resistance, can keep permanent gloss and lasting high strength, work-ing life is more than 20 years.
5, designability: except glass reinforced plastic flexible design performance, the color of product can customize according to client's requirement, physical dimension also can be cut and is spliced into the required size of client.
6, safe anti-slipping: high elastic coefficient and different surface effects make grid have non-skid property, the sense of fatigue that slight elasticity reduces a staff, biplane, meniscus level, sand face, rhombus front cover, different surfaces provide the non-skid property of different use occasions.
7, electrical property: glass fibre and performance resins give product superior electrical property, product is worn hit intensity can reach 10kv/mm, metal tools resist time without electrical spark; Product is nonmagnetic, can in anti-electromagnetism antiknock environment, use safely.
Embodiment
Embodiment 1
The present invention adopts perspex steel substitution of Al, aluminium alloy or magnesium alloy materials, and the material component of perspex steel and weight percent are: unsaturated polyester resin 49%, polyester adhesive coating resin 1.5%, roving woven roving 24%, chopped mat 21%, surperficial felt 2%, solidifying agent 1%, promotor 1%, releasing agent 0.3%, film 0.2%
Perspex steel lamp outer casing complete processing is as follows:
1, self check working-yard: whether self check working-yard meets operational requirement: 15 ℃ of temperature, humidity 70%, workshop is furnished with fire service, and it is necessary that No Open Flames.
2, process the early stage of mould: operator are according to drawing self check mould, after qualified, clean out the surface of mould, then cutting film on request, film uses glassine paper, polyester film or polyvinyl chloride film, film should be without blank and gauffer, after cutting, be bonded on the surface of mould fixed mould with releasing agent butter lubricating grease.
3, the selection of strongthener: bottom adopts alkali-free roving (grid) cloth, select specification 0.4mm goods rest part to adopt medium-alkali roving woven roving, specification is 0.4mm, and injection shell adopts alkali-free chopped mat, specification is 0.4mm, and resin-rich layer is selected surperficial felt 0.4mm.
4, strongthener is cut out: the goods of simple shape, directly cutting by size, cutting out by ready-made pattern of complicated shape, what paste by overlap joint leaves lap length 45mm, cut out rear dated purposes, quantity, product position, date, wrap with plastic tape for subsequent use.
5, the selection of vibrin glue: housing parts adopts 196 unsaturated polyester resin glue goods, rest part adopts 191 or 306 unsaturated polyester resins.Surface polyester gel coat adopts polyester gel coat 33.Solidifying agent adopts white methylethyl ketone peroxide, and promotor adopts indigo cobalt naphthenate.
6, the preparation of vibrin glue:
Vibrin used is first added methylethyl ketone peroxide by a, stirs, and then adds according to quantity cobalt naphthenate, stirs, and is used while allocating.Every cold-curing formula adds curing formula to add the vibrin of solidifying agent, be finished at the appointed time (being no more than 8h).
B fiber glass resin content is measured, and fiberglass reinforced plastic hand is stuck with paste structural sheet resin content 50%.
C glass reinforced plastic degree of cure is measured, fiberglass reinforced plastic degree of cure >=80%.
D glass reinforced plastic flexural strength is measured, fiberglass reinforced plastic >=147mpa.
7, gel coat construction
After a releasing agent complete drying, spray or brush by the gel coating resin of formulated, coating is 0.35mm, and coating is wanted evenly, gel coating resin spray twice, each 45 minutes interval times.
B pastes
Gel coat surface, treat the initial set of polyester gel coat, feel pastes when soft and not sticky, first be coated with on polyester gel coat surface the resin adhesive liquid that one deck prepares, then spread layer of surface felt, pave, soak into, repeatedly scrape crowded, discharge bubble, by laying arrangement, gluing paving cloth hockets to required thickness, and soaks into, spread reality, drives bubble out of.
Without gel coat surface, until releasing agent cool but after, surface is coated with the resin adhesive liquid for preparing of one deck, paving one deck roving woven roving, paves, and soaks into, catches up with bubble, then by laying arrangement, gluing paving cloth hockets to required thickness, 2 layers, surface makes resin saturated.
When refining, the splicing of laying makes product strength loss reduction, does not affect again outward appearance, conventionally adopts dock and staged laying, the seam width 45mm that staggers.The gel content of hand paste is controlled between 45%, Working environment, 15 ℃ of temperature, humidity 70%.
Paste in process, need add metal insert time, metalwork surface should be processed totally, guarantees that bonding is firm, in order to make metalwork correct position, should on mould, locate.
While pasting the glass fiber reinforced plastics product of the thicker 10mm of exceeding, adopt and reduce promotor add-on, director's gel time solves.
8, solidify: solidify hand pasting forming synthetic glass steel workpiece 24 hours, can reach demoulding strength.After the demoulding, goods must be in the environment of 15 ℃, and continuing to solidify 8 can use.
9, the examination and test of products:
A visual inspection: have the product of gel coat, surface should smooth, flawless, and color and luster is even, non-wrinkled, the phenomenon such as peels off, if defectiveness product standard allows to repair, repairs, and should keep color and luster consistent; Goods must not have obvious defect, starved, gum deposit, layering, fiber to appear, and cut surface is not sealed up resin etc. and determined whether by product standard and reprocess;
B checks product thickness: geometrical dimension and tolerance, and whether built-in fitting meets design requirements;
C Barcol hardness is greater than 35HBa;
D spot inspection: hand touch fiber-reinforced plastic product surface have or not sticky sense to knock goods to listen sound be fuzzy or clear and melodiously to draw down and do not go out trace wound with coin.
Claims (2)
1. a glass reinforced plastic lamp outer casing, it is characterized in that adopting perspex steel substitution of Al, aluminium alloy or magnesium alloy materials, starting material component and the weight percent proportioning of perspex steel are: unsaturated polyester resin 46%-50%, polyester adhesive coating resin 1%-2%, roving woven roving 22%-27%, chopped mat 19%-24%, surperficial felt 2%-4%, solidifying agent 0.5%-1%, promotor 0.5-1%, releasing agent 0.1%-0.5%, film 0.1%-0.5%; The complete processing step of described lamp outer casing is as follows:
(1) self check working-yard: whether self check working-yard meets operational requirement: 15 ℃-30 ℃ of temperature, humidity 70%-80%;
(2) process the early stage of mould: operator are according to drawing self check mould, after qualified, clean out the surface of mould, then cutting film on request, film uses glassine paper, polyester film or polyvinyl chloride film, film should be without blank and gauffer, after cutting, be bonded on the surface of mould fixed mould with releasing agent;
(3) selection of strongthener: bottom adopts alkali-free roving woven roving, specification 0.1,0.2,0.4mm goods rest part adopt medium-alkali roving woven roving, specification is 0.1,0.2,0.4mm, injection shell adopts alkali-free chopped mat, specification is 0.1,0.2,0.4mm, and resin-rich layer is selected surperficial felt 0.4mm;
(4) strongthener is cut out: the goods of simple shape, and directly cutting by size, the cutting out by ready-made pattern of complicated shape, what paste by overlap joint leaves lap length 40-50mm;
(5) selection of vibrin glue: housing parts adopts 196 unsaturated polyester resin glues; Surface polyester gel coat adopts polyester adhesive coating resin 33; Solidifying agent adopts methylethyl ketone peroxide, and promotor adopts cobalt naphthenate;
(6) preparation of vibrin glue
Vibrin used is first added solidifying agent methylethyl ketone peroxide by a, stirs, and then adds according to quantity promotor cobalt naphthenate, stirs, and is used while allocating; Cold-curing formula adds the vibrin of curing formula and solidifying agent, in 8 hours, finish using;
B fiber glass resin content is measured, and fiberglass reinforced plastic hand is stuck with paste structural sheet resin content 45%-55%;
C glass reinforced plastic degree of cure is measured, fiberglass reinforced plastic degree of cure >=80%;
D glass reinforced plastic flexural strength is measured, fiberglass reinforced plastic >=147MPa;
(7) gel coat construction
A sprays gel coat: after releasing agent complete drying, spray or brush by the gel coating resin of formulated, coating is no more than 0.3-0.5mm, and coating is wanted evenly, gel coating resin spray twice, each interval time 40-60 minute;
B pastes
Gel coat surface, treat the initial set of polyester gel coat, feel pastes when soft and not sticky, first be coated with on polyester gel coat surface the resin adhesive liquid that one deck prepares, then spread layer of surface felt, pave, soak into, repeatedly scrape crowded, discharge bubble, by laying arrangement, gluing paving cloth hockets to required thickness, and soaks into, spread reality, drives bubble out of;
Without gel coat surface, until releasing agent cool but after, surface is coated with the resin adhesive liquid for preparing of one deck, paving one deck roving woven roving, paves, and soaks into, catches up with bubble, then by laying arrangement, gluing paving cloth hockets to required thickness, the two-layer resin that makes in surface is saturated;
When refining, the splicing of laying makes product strength loss reduction, does not affect again outward appearance, conventionally adopts dock and staged laying, the seam width 40-50mm that staggers; The gel content of hand paste is controlled between 45%-55%, Working environment, 15 ℃-30 ℃ of temperature, humidity 70%-80%;
Paste in process, need add metal insert time, metalwork surface should be processed totally, guarantees that bonding is firm, in order to make metalwork correct position, should on mould, locate;
While pasting the glass fiber reinforced plastics product of the thicker 10mm of exceeding, adopt and reduce promotor add-on, add long gel time and solve;
(8) solidify: solidify hand pasting forming synthetic glass steel workpiece 24-30 hour, can reach demoulding strength; After the demoulding, goods must be in the environment of 15 ℃-30 ℃, continues to solidify can use for 7-9 days;
(9) examination and test of products:
A visual inspection: have the product of gel coat, surface should smooth, flawless, and color and luster is even, non-wrinkled, peeling phenomenon, if defectiveness product standard allows to repair, repairs, and should keep color and luster consistent; Goods must not have obvious defect, starved, gum deposit, layering, fiber to appear, and cut surface is not sealed up resin and determined whether and reprocess by product standard;
B checks product thickness: geometrical dimension and tolerance, and whether built-in fitting meets design requirements;
C Barcol hardness is greater than 35HBa;
D spot inspection: hand touch fiber-reinforced plastic product surface have or not sticky sense to knock goods to listen sound be fuzzy or clear and melodiously to draw down and do not go out trace wound with coin.
2. the complete processing of glass reinforced plastic lamp outer casing described in claim 1, is characterized in that complete processing step is as follows:
(1) self check working-yard: whether self check working-yard meets operational requirement: 15 ℃-30 ℃ of temperature, humidity 70%-80%;
(2) process the early stage of mould: operator are according to drawing self check mould, after qualified, clean out the surface of mould, then cutting film on request, film uses glassine paper, polyester film or polyvinyl chloride film, film should be without blank and gauffer, after cutting, be bonded on the surface of mould fixed mould with releasing agent;
(3) selection of strongthener: bottom adopts alkali-free roving woven roving, specification 0.1,0.2,0.4mm goods rest part adopt medium-alkali roving woven roving, specification is 0.1,0.2,0.4mm, injection shell adopts alkali-free chopped mat, specification is 0.1,0.2,0.4mm, and resin-rich layer is selected surperficial felt 0.4mm;
(4) strongthener is cut out: the goods of simple shape, and directly cutting by size, the cutting out by ready-made pattern of complicated shape, what paste by overlap joint leaves lap length 40-50mm;
(5) selection of vibrin glue: housing parts adopts 196 unsaturated polyester resin glues; Surface polyester gel coat adopts polyester adhesive coating resin 33; Solidifying agent adopts methylethyl ketone peroxide, and promotor adopts cobalt naphthenate;
(6) preparation of vibrin glue
Vibrin used is first added solidifying agent methylethyl ketone peroxide by a, stirs, and then adds according to quantity promotor cobalt naphthenate, stirs, and is used while allocating; Cold-curing formula adds the vibrin of curing formula and solidifying agent, in 8 hours, finish using;
B fiber glass resin content is measured, and fiberglass reinforced plastic hand is stuck with paste structural sheet resin content 45%-55%;
C glass reinforced plastic degree of cure is measured, fiberglass reinforced plastic degree of cure >=80%;
D glass reinforced plastic flexural strength is measured, fiberglass reinforced plastic >=147MPa;
(7) gel coat construction
A sprays gel coat: after releasing agent complete drying, spray or brush by the gel coating resin of formulated, coating is no more than 0.3-0.5mm, and coating is wanted evenly, gel coating resin spray twice, each interval time 40-60 minute;
B pastes
Gel coat surface, treat the initial set of polyester gel coat, feel pastes when soft and not sticky, first be coated with on polyester gel coat surface the resin adhesive liquid that one deck prepares, then spread layer of surface felt, pave, soak into, repeatedly scrape crowded, discharge bubble, by laying arrangement, gluing paving cloth hockets to required thickness, and soaks into, spread reality, drives bubble out of;
Without gel coat surface, until releasing agent cool but after, surface is coated with the resin adhesive liquid for preparing of one deck, paving one deck roving woven roving, paves, and soaks into, catches up with bubble, then by laying arrangement, gluing paving cloth hockets to required thickness, the two-layer resin that makes in surface is saturated;
When refining, the splicing of laying makes product strength loss reduction, does not affect again outward appearance, conventionally adopts dock and staged laying, the seam width 40-50mm that staggers; The gel content of hand paste is controlled between 45%-55%, Working environment, 15 ℃-30 ℃ of temperature, humidity 70%-80%;
Paste in process, need add metal insert time, metalwork surface should be processed totally, guarantees that bonding is firm, in order to make metalwork correct position, should on mould, locate;
While pasting the glass fiber reinforced plastics product of the thicker 10mm of exceeding, adopt and reduce promotor add-on, add long gel time and solve;
(8) solidify: solidify hand pasting forming synthetic glass steel workpiece 24-30 hour, can reach demoulding strength; After the demoulding, goods must be in the environment of 15 ℃-30 ℃, continues to solidify can use for 7-9 days;
(9) examination and test of products:
A visual inspection: have the product of gel coat, surface should smooth, flawless, and color and luster is even, non-wrinkled, peeling phenomenon, if defectiveness product standard allows to repair, repairs, and should keep color and luster consistent; Goods must not have obvious defect, starved, gum deposit, layering, fiber to appear, and cut surface is not sealed up resin and determined whether and reprocess by product standard;
B checks product thickness: geometrical dimension and tolerance, and whether built-in fitting meets design requirements;
C Barcol hardness is greater than 35HBa;
D spot inspection: hand touch fiber-reinforced plastic product surface have or not sticky sense to knock goods to listen sound be fuzzy or clear and melodiously to draw down and do not go out trace wound with coin.
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| CN201210047507.3A CN102675846B (en) | 2012-02-28 | 2012-02-28 | Glass fiber reinforced plastic lighting fixture shell and processing technology thereof |
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| CN108908825A (en) * | 2018-08-08 | 2018-11-30 | 东营市天诚建材有限公司 | The manufacturing technique method of high-intensitive one-pass molding glass reinforced plastic Integral inspection |
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| CN1397758A (en) * | 2001-07-13 | 2003-02-19 | 林安正 | Process for preparing semi-transparent lampshade from unsaturated resin |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108908825A (en) * | 2018-08-08 | 2018-11-30 | 东营市天诚建材有限公司 | The manufacturing technique method of high-intensitive one-pass molding glass reinforced plastic Integral inspection |
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