CN108773089A - A kind of manufacture craft of glass fiber reinforced plastics product - Google Patents
A kind of manufacture craft of glass fiber reinforced plastics product Download PDFInfo
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- CN108773089A CN108773089A CN201810360230.7A CN201810360230A CN108773089A CN 108773089 A CN108773089 A CN 108773089A CN 201810360230 A CN201810360230 A CN 201810360230A CN 108773089 A CN108773089 A CN 108773089A
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- Prior art keywords
- fiber reinforced
- reinforced plastics
- glass fiber
- resin
- manufacture craft
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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
-
- 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
-
- 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
- B29C70/545—Perforating, cutting or machining during or after moulding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a kind of manufacture crafts of glass fiber reinforced plastics product, include the following steps：S1, selection：Choose suitable unsaturated-resin, glass fibre and gel coat；S2, mold prepare：Mold clean is clean, wiped clean with soft gauze, surface must not residual impurity, it is water stain that removal is then dried；S3, coating release agent：The uniform brushing releasing agent in mold, it is ensured that every nook and cranny can brush, and polyvinyl alcohol need to be parched fully, and the releasing agents such as wax polish and non-silicon type oil plant paste need to be parked two hours, and solvent is made to vapor away；S4, gel coating resin is applied：Hairbrush brushing can be used, feels somewhat tacky in cured gel coat abutment in one's hands but does not stain finger.Compared with other manufacture crafts, technical price is cheap, saves space, technical maturity, good manufacturability, good combination property after solidification, it is more and more widely used the use quality that glass fiber reinforced plastics product is greatly improved in building, anti-corrosion, shipbuilding, communications and transportation, automobile industry, electrical equipment industry etc..
Description
Technical field
The present invention relates to glassware manufacturing fields, more specifically more particularly to a kind of making work of glass fiber reinforced plastics product
Skill.
Background technology
Fiberglass (also referred to as fiberglass reinforced plastics, internationally recognized dummy suffix notation are GFRP or FRP) is a kind of kind
Various, performance is out of the ordinary, widely used composite material.It is made through combination process by synthetic resin and glass fibre
A kind of functional form new material, glass-reinforced plastic material has light-weight, and specific strength is high, and corrosion-resistant, electrical insulation capability is good, passes
Hot slow, thermal insulation is good, and resistance to instantaneous superhigh temperature performance is good, and is easy coloring, can penetrate the characteristics such as electromagnetic wave, fiberglass production
Product, it is disposable when making is molded, even more it is different from another outstanding feature of metal material.As long as according to setting for product
Meter, selects suitable raw material laying method and alignment problem, so that it may disposably to complete glass-reinforced plastic material and structure, keep away
Exempted from the commonly required secondary operation wanted of metal material, so as to substantially reduce the material consumption of product, reduce manpower and
The waste of material resources.
But the manufacture craft of traditional glass fiber reinforced plastics product is more complicated, it is very inconvenient to operate, and molding glass
Glass steel part edge is very coarse, and corner angle are unclear, and appearance unsightly, while not having good anti-flammability yet, bright encountering
When fiery, damage can be directly resulted in, not only affects whole aesthetics, also reduces the service life of glass fiber reinforced plastics product, for this purpose,
It is proposed that a kind of manufacture craft of glass fiber reinforced plastics product.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of system of the glass fiber reinforced plastics product proposed
Make technique.
To achieve the above object, the present invention provides the following technical solutions：A kind of manufacture craft of glass fiber reinforced plastics product, including such as
Lower step：
S1, selection：Choose suitable unsaturated-resin, glass fibre and gel coat；
S2, mold prepare：Mold clean is clean, wiped clean with soft gauze, surface must not residual impurity, then into
The dry removal of row is water stain；
S3, coating release agent：The uniform brushing releasing agent in mold, it is ensured that every nook and cranny can brush, and polyvinyl alcohol needs
It fully parches, the releasing agents such as wax polish and non-silicon type oil plant paste need to be parked two hours, and solvent is made to vapor away；
S4, gel coating resin is applied：Hairbrush brushing can be used, feels somewhat tacky but non-sticky in cured gel coat abutment in one's hands
Dirty finger, at this time can layer paste；
S5, glass fibre is cut：According to the size of part, thickness, the number of plies of required glass fabric is calculated；Glass fabric
Size should be more slightly larger than mould tire, model blanking can be used when necessary；
S6, it pastes：First one layer is equably brushed with the hands such as hairbrush or scraper plate paste tool on gel coating resin or mould surface
Prepared resin, the reinforcing material (surface felt or chopped mat) that then layer overlay is cut, compresses it with roller is used,
It is allowed to fit closely, and pays attention to excluding bubble, so that felt is sufficiently impregnated, two layers or two layers or more of reinforcing material must not be spread simultaneously
It puts, so repeatedly aforesaid operations, goes directly until the thickness of design；
S7, solidification：Extra material can be cut off, and be cured at room temperature, from gel to trigonometric ratio generally will for 24 hours,
Curing degree can be demoulded up to 50%~70% (Ba Keer hardness degree is 15) at this time.
S8, demoulding：The pre-buried liftout attachment on mold, when demoulding, rotate screw rod, and product is ejected；
S9, finishing：Product after molding, is cut by design size beyond redundance, and defective to piece surface
It is repaired in place；
S10：Curing：It is more than week must to store one for part after demoulding, to ensure that part is fully cured；
S11：Polishing：Cutting polishing and surface smooth treatment are carried out to glass fiber reinforced plastics product.
Preferably, when pasting, it should be noted that resin when the dipping situation, first brushing resin of glass fibre to that must make resin
Then the whole surface of wetting fibre makes the air of fibrous inside be replaced completely by resin by rolling, ensure that first layer increases
Strong material is impregnated with resin and fits closely completely.
Preferably, 100% is carried out to appearance and quality and checks that separate the sheep from the goats quality.
Preferably, which carries out in dust-free workshop, and workshop ventilation is good and drying, relative humidity is kept to be less than
80%, temperature avoids draught between 15 DEG C -25 DEG C.
Preferably, resin maintaining period must not exceed its storage period, and glass fibre, which is won, places dry place.
Preferably, gel coat is added in unsaturated polyester resin made of pigment and filler dispersion, fully to be mixed
It closes, and filler is aluminium hydroxide and glass microballoon material.
Preferably, whip stitch is handled：Same laying fiber is as continuous as possible, avoids arbitrarily cut-out or splicing, but due to product ruler
When the limitation of the reasons such as very little, complexity is difficult to reach, dock laying can be taken when pasting, each layer whip stitch, which must be staggered to paste, to be arrived
Thickness required by product.If intensity requirement is higher, in order to ensure the intensity of product, overlap joint should be used between two pieces of cloth,
Lap width is about 50mm.Meanwhile every layer of lap position should be staggered as far as possible.If the moulding of product is more complicated, certain
Local reinforcing material system is seating unevenly whole, when bubble is not easy to exclude, can will be cut off at this with scissors, and be allowed to develop, it shall be noted that
Every layer of position cut off should be staggered, in order to avoid cause loss of strength.To there is the position of certain angle, can be filled out with zero twisted yarn and resin
It fills.If the certain positions of product are bigger, reinforcing steel can be suitably thickened or increased at this, to meet requirement.
Preferably, in maturing process, curing oven can be used and be heating and curing, middle-size and small-size product can heat in curing oven
Heating or infrared heating in mould can be used in solidification, massive article.
The technique effect and advantage of the present invention：
1, compared with other manufacture crafts, technical price is cheap, saves space, technical maturity, and good manufacturability is comprehensive after solidification
It is good to close performance, is more and more widely used in building, anti-corrosion, shipbuilding, communications and transportation, automobile industry, electrical equipment industry etc., greatly
The big use quality for improving glass steel part.
2, it is aluminium hydroxide and glass microballoon material by the filler of addition, can makes to add fire retardant in resin to play
The effect of fire retardant can make glass fiber reinforced plastics product have good anti-flammability, while also have very good durability and weather-proof
Property, the entirety for effectively raising glass fiber reinforced plastics product uses quality, highly practical, is exactly secondly inexpensive, reduces the production cost.
3, by the pre-buried liftout attachment on mold, when demoulding rotatable screw rod, then glass fiber reinforced plastics product can be ejected, be operated
Convenient, demoulding efficiency is high, not only can greatly reduce labor intensity, moreover it is possible to effectively improve working efficiency, while also can guarantee
The integrality of demoulding will not damage glass fiber reinforced plastics product, avoid the waste of resource.
4, by carrying out grinding process to glass fiber reinforced plastics product after molding, cutting polishing can be carried out with cutting machine and sander
And surface smooth treatment so that molding glass fiber reinforced plastics product edge is very smooth, and corner angle are clear, improves glass fiber reinforced plastics product entirety
Aesthetics, while also can guarantee the effect that the glass fiber reinforced plastics product later stage uses, there are extraordinary market prospects.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Embodiment
A kind of manufacture craft of glass fiber reinforced plastics product, includes the following steps：
S1, selection：Choose suitable unsaturated-resin, glass fibre and gel coat；
S2, mold prepare：Mold clean is clean, wiped clean with soft gauze, surface must not residual impurity, then into
The dry removal of row is water stain；
S3, coating release agent：The uniform brushing releasing agent in mold, it is ensured that every nook and cranny can brush, and polyvinyl alcohol needs
It fully parches, the releasing agents such as wax polish and non-silicon type oil plant paste need to be parked two hours, and solvent is made to vapor away；
S4, gel coating resin is applied：Hairbrush brushing can be used, feels somewhat tacky but non-sticky in cured gel coat abutment in one's hands
Dirty finger, at this time can layer paste；
S5, glass fibre is cut：According to the size of part, thickness, the number of plies of required glass fabric is calculated；Glass fabric
Size should be more slightly larger than mould tire, model blanking can be used when necessary；
S6, it pastes：First one layer is equably brushed with the hands such as hairbrush or scraper plate paste tool on gel coating resin or mould surface
Prepared resin, the reinforcing material (surface felt or chopped mat) that then layer overlay is cut, compresses it with roller is used,
It is allowed to fit closely, and pays attention to excluding bubble, so that felt is sufficiently impregnated, two layers or two layers or more of reinforcing material must not be spread simultaneously
It puts, so repeatedly aforesaid operations, goes directly until the thickness of design；
S7, solidification：Extra material can be cut off, and be cured at room temperature, from gel to trigonometric ratio generally will for 24 hours,
Curing degree can be demoulded up to 50%~70% (Ba Keer hardness degree is 15) at this time.
S8, demoulding：The pre-buried liftout attachment on mold, when demoulding, rotate screw rod, and product is ejected；
S9, finishing：Product after molding, is cut by design size beyond redundance, and defective to piece surface
It is repaired in place；
S10：Curing：It is more than week must to store one for part after demoulding, to ensure that part is fully cured；
S11：Polishing：Cutting polishing and surface smooth treatment are carried out to glass fiber reinforced plastics product.
In summary：A kind of manufacture craft of glass fiber reinforced plastics product provided by the invention, compared with other manufacture crafts, technology
It is cheap, save space, technical maturity, good manufacturability, good combination property after solidification, be more and more widely used in building,
Anti-corrosion, shipbuilding, communications and transportation, automobile industry, electrical equipment industry etc. greatly improve the use quality of glass steel part, by right
Glass fiber reinforced plastics product after molding carries out grinding process, and cutting polishing and surface smooth treatment can be carried out with cutting machine and sander,
So that molding glass fiber reinforced plastics product edge is very smooth, corner angle are clear, improve the aesthetics of glass fiber reinforced plastics product entirety, while
It can guarantee the effect that the glass fiber reinforced plastics product later stage uses, there are extraordinary market prospects, the filler by addition is aluminium hydroxide
With glass microballoon material, it can make to add fire retardant in resin to play the effect of fire retardant, glass fiber reinforced plastics product can be made to have very
Good anti-flammability, while also having very good durability and weatherability, effectively raising the entirety of glass fiber reinforced plastics product makes
It is highly practical with quality, it is exactly secondly inexpensive, reduces the production cost.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of manufacture craft of glass fiber reinforced plastics product, it is characterised in that：Include the following steps：
S1, selection：Choose suitable unsaturated-resin, glass fibre and gel coat；
S2, mold prepare：Mold clean is clean, wiped clean with soft gauze, surface must not residual impurity, then done
Dry removal is water stain；
S3, coating release agent：The uniform brushing releasing agent in mold, it is ensured that every nook and cranny can brush, and polyvinyl alcohol needs abundant
It parches, the releasing agents such as wax polish and non-silicon type oil plant paste need to be parked two hours, and solvent is made to vapor away；
S4, gel coating resin is applied：Hairbrush brushing can be used, feels somewhat tacky in cured gel coat abutment in one's hands but does not stain hand
Refer to, it at this time can layer paste；
S5, glass fibre is cut：According to the size of part, thickness, the number of plies of required glass fabric is calculated；Glass fabric it is big
It is small should be more slightly larger than mould tire, model blanking can be used when necessary；
S6, it pastes：First one layer of preparation is equably brushed with the hands such as hairbrush or scraper plate paste tool on gel coating resin or mould surface
Good resin, the reinforcing material (surface felt or chopped mat) that then layer overlay is cut are compressed it with roller is used, are allowed to
It fits closely, and pays attention to excluding bubble, so that felt is sufficiently impregnated, two layers or two layers or more of reinforcing material must not be laid simultaneously,
Aforesaid operations are so repeated, are gone directly until the thickness of design；
S7, solidification：Extra material can be cut off, and be cured at room temperature, generally will for 24 hours, at this time from gel to trigonometric ratio
Curing degree can be demoulded up to 50%~70% (Ba Keer hardness degree is 15).
S8, demoulding：The pre-buried liftout attachment on mold, when demoulding, rotate screw rod, and product is ejected；
S9, finishing：Product after molding, is cut by design size beyond redundance, and to the defective place of piece surface
It is repaired；
S10：Curing：It is more than week must to store one for part after demoulding, to ensure that part is fully cured；
S11：Polishing：Cutting polishing and surface smooth treatment are carried out to glass fiber reinforced plastics product.
2. a kind of manufacture craft of glass fiber reinforced plastics product according to claim 1, it is characterised in that：When pasting, it should be noted that tree
Then fat passes through rolling to that must make the whole surface of resin infiltration fiber when the dipping situation, first brushing resin of glass fibre
Pressure makes the air of fibrous inside be replaced completely by resin, ensures that first layer reinforcing material is impregnated with resin and fits closely completely.
3. a kind of manufacture craft of glass fiber reinforced plastics product according to claim 1, it is characterised in that：Appearance and quality are carried out
100% checks that separate the sheep from the goats quality.
4. a kind of manufacture craft of glass fiber reinforced plastics product according to claim 1, it is characterised in that：The manufacture craft is dustless
It is carried out in workshop, workshop ventilation is good and keeps drying, and relative humidity is less than 80%, and temperature avoids between 15 DEG C -25 DEG C
Draught.
5. a kind of manufacture craft of glass fiber reinforced plastics product according to claim 1, it is characterised in that：Resin maintaining period must not surpass
Its storage period is spent, glass fibre, which is won, places dry place.
6. a kind of manufacture craft of glass fiber reinforced plastics product according to claim 1, it is characterised in that：Gel coat is poly- in unsaturation
It is added made of pigment and filler dispersion, to be sufficiently mixed in ester resin, and filler is aluminium hydroxide and glass microballoon material
Matter.
7. a kind of manufacture craft of glass fiber reinforced plastics product according to claim 1, it is characterised in that：Whip stitch processing：Same paving
Layer fiber is as continuous as possible, avoids arbitrarily cut-out or splicing, but the limitation due to product size, complexity etc. is difficult to reach
When, dock laying can be taken when pasting, each layer whip stitch must be staggered to paste to the thickness required by product.If intensity requirement compared with
Gao Shi should use overlap joint, lap width is about 50mm to ensure the intensity of product between two pieces of cloth.Meanwhile every layer of overlap joint
Position should be staggered as far as possible.If the moulding of product is more complicated, certain place reinforcing material systems are seating unevenly whole, and bubble is not easy to arrange
Except when, can will be cut off at this with scissors, and be allowed to develop, it shall be noted that every layer of position cut off should be staggered, in order to avoid cause intensity
Loss.To there is the position of certain angle, zero twisted yarn and resin can be used to fill.If the certain positions of product are bigger, can be fitted at this
When thickening or increasing reinforcing steel, to meet requirement.
8. a kind of manufacture craft of glass fiber reinforced plastics product according to claim 1, it is characterised in that：In maturing process, it can adopt
Be heating and curing with curing oven, middle-size and small-size product can curing oven internal heating curing, massive article can be used in mould heating or
Infrared heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360230.7A CN108773089A (en) | 2018-04-20 | 2018-04-20 | A kind of manufacture craft of glass fiber reinforced plastics product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810360230.7A CN108773089A (en) | 2018-04-20 | 2018-04-20 | A kind of manufacture craft of glass fiber reinforced plastics product |
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| CN108773089A true CN108773089A (en) | 2018-11-09 |
Family
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450437A (en) * | 2019-06-21 | 2019-11-15 | 湖北金阳石新型耐磨材料科技有限公司 | A kind of manufacture craft of fiber reinforced plastic mold |
| CN110738912A (en) * | 2019-10-25 | 2020-01-31 | 福建恒达教育装备工程有限公司 | teaching model making method |
| CN110733186A (en) * | 2019-11-22 | 2020-01-31 | 奇瑞万达贵州客车股份有限公司 | Composite material partition baffle for logistics vehicles and processing method thereof |
| CN111421856A (en) * | 2020-03-30 | 2020-07-17 | 成都飞机工业（集团）有限责任公司 | Flexible hole-making sample plate with profile and manufacturing and using methods thereof |
| CN112519265A (en) * | 2020-11-10 | 2021-03-19 | 苏州金辂房车有限公司 | Production process equipment for glass fiber reinforced plastic for motor home |
| CN112677514A (en) * | 2020-12-24 | 2021-04-20 | 安徽航达环保科技有限公司 | Preparation method of glass fiber reinforced plastic water collector |
| CN112848369A (en) * | 2019-11-12 | 2021-05-28 | 四川威琦尔智能科技有限公司 | Guided missile packaging box forming process |
| CN112873900A (en) * | 2020-12-28 | 2021-06-01 | 恒豪国际贸易（上海）有限公司 | Processing technology of E-GRP material plate applying GRG die |
| CN113859290A (en) * | 2021-09-14 | 2021-12-31 | 滁州市永通交通设备有限公司 | Glass fiber reinforced plastic modularized toilet for high-speed rail and processing technology |
| CN115139548A (en) * | 2022-06-29 | 2022-10-04 | 湖南大学 | Composite material preparation method based on hand lay-up forming process |
| CN115384076A (en) * | 2022-08-11 | 2022-11-25 | 湖南大学 | Hand lay-up forming method for composite material automobile parts |
| CN115674734A (en) * | 2022-09-30 | 2023-02-03 | 三一专用汽车有限责任公司 | Compartment plate, manufacturing process thereof and refrigerator car |
| CN116619776A (en) * | 2023-05-05 | 2023-08-22 | 安徽实力环保科技有限公司 | Preparation method of glass fiber reinforced plastic material for inlet clock of antistatic fan |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450437A (en) * | 2019-06-21 | 2019-11-15 | 湖北金阳石新型耐磨材料科技有限公司 | A kind of manufacture craft of fiber reinforced plastic mold |
| CN110738912A (en) * | 2019-10-25 | 2020-01-31 | 福建恒达教育装备工程有限公司 | teaching model making method |
| CN110738912B (en) * | 2019-10-25 | 2022-03-15 | 福建恒达教育装备工程有限公司 | Method for making teaching model |
| CN112848369A (en) * | 2019-11-12 | 2021-05-28 | 四川威琦尔智能科技有限公司 | Guided missile packaging box forming process |
| CN110733186A (en) * | 2019-11-22 | 2020-01-31 | 奇瑞万达贵州客车股份有限公司 | Composite material partition baffle for logistics vehicles and processing method thereof |
| CN111421856A (en) * | 2020-03-30 | 2020-07-17 | 成都飞机工业（集团）有限责任公司 | Flexible hole-making sample plate with profile and manufacturing and using methods thereof |
| CN112519265A (en) * | 2020-11-10 | 2021-03-19 | 苏州金辂房车有限公司 | Production process equipment for glass fiber reinforced plastic for motor home |
| CN112519265B (en) * | 2020-11-10 | 2022-07-19 | 苏州金辂房车有限公司 | Production process equipment for glass fiber reinforced plastic for motor home |
| CN112677514A (en) * | 2020-12-24 | 2021-04-20 | 安徽航达环保科技有限公司 | Preparation method of glass fiber reinforced plastic water collector |
| CN112873900A (en) * | 2020-12-28 | 2021-06-01 | 恒豪国际贸易（上海）有限公司 | Processing technology of E-GRP material plate applying GRG die |
| CN113859290A (en) * | 2021-09-14 | 2021-12-31 | 滁州市永通交通设备有限公司 | Glass fiber reinforced plastic modularized toilet for high-speed rail and processing technology |
| CN115139548A (en) * | 2022-06-29 | 2022-10-04 | 湖南大学 | Composite material preparation method based on hand lay-up forming process |
| CN115384076A (en) * | 2022-08-11 | 2022-11-25 | 湖南大学 | Hand lay-up forming method for composite material automobile parts |
| CN115674734A (en) * | 2022-09-30 | 2023-02-03 | 三一专用汽车有限责任公司 | Compartment plate, manufacturing process thereof and refrigerator car |
| CN116619776A (en) * | 2023-05-05 | 2023-08-22 | 安徽实力环保科技有限公司 | Preparation method of glass fiber reinforced plastic material for inlet clock of antistatic fan |
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Application publication date: 20181109 |