CN105922606B - The winding shaping process of fiber glass epoxy elbow - Google Patents
The winding shaping process of fiber glass epoxy elbow Download PDFInfo
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- CN105922606B CN105922606B CN201610342558.7A CN201610342558A CN105922606B CN 105922606 B CN105922606 B CN 105922606B CN 201610342558 A CN201610342558 A CN 201610342558A CN 105922606 B CN105922606 B CN 105922606B
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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
-
- 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)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of winding shaping process of fiber glass epoxy elbow, include the following steps：1）Preparation；2）Dispensing；3）Molding：3.1）Liner layer makes；3.2）Liner enhancement layer makes；4）Curing；5）Demoulding；6）After cure；7）It examines.The winding shaping process of fiber glass epoxy elbow of the present invention, the fiber glass epoxy elbow prepared is high-quality, and service life is long.
Description
Technical field
The present invention relates to the winding shaping process of fiber glass epoxy elbow.
Background technology
Winding shaping process is by the continuous fiber of dipped modified epoxy glue（Or strap, prepegged strands）According to certain
Rule is wound on core model, and then cured, demoulding obtains product.And the winding shaping process of existing fiber glass epoxy elbow
Have much room for improvement.
Invention content
The purpose of the present invention is to provide a kind of winding shaping process of fiber glass epoxy elbow, the expoxy glass prepared
Steel elbow is high-quality, and service life is long.
To achieve the above object, the technical scheme is that designing a kind of Wrapping formed work of fiber glass epoxy elbow
Skill includes the following steps：
1）Preparation：
1.1）Get raw material and auxiliary material；The raw material include：Modified epoxy, curing agent, diluent；Institute
Auxiliary material is stated to include：Glass fiber yarn, three-dimensional cloth, surface felt；
1.2）It checks whether raw material are more than the term of validity, and whether color and luster is uniform, has free from admixture, whether there is the suspension of semigel bulk
Object；Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3）Elbow module is got, die surface processing is clean, accomplish bright and clean impulse- free robustness, not damaged；Mold is installed
Onto Wiring apparatus, wax is uniformly spread in die surface after being fixedly secured, to demould；If temperature is less than 10 DEG C, mold needs
Carrying out preheating makes its surface temperature reach 45 ± 10 DEG C, then install a mold on Wiring apparatus；
2）Dispensing：
2.1）100 ± 1 part by weight modified epoxy resin are taken, pours into heating bucket and heats；When environment temperature is less than 15 DEG C, add
Hot barrel temperature control is at 70 ± 5 DEG C；When environment temperature is higher than 15 DEG C, heating barrel temperature control is at 50 ± 5 DEG C；
2.2）Modified epoxy after heating is put into mixer, then put into 24 ± 0.5 parts by weight curing agent and 0.1~
0.3 parts by weight diluent, is mixed evenly, and it is for use that mixture is made；
3）Molding：
3.1）Liner layer makes：Surface felt after leaching hopper infiltration is wound, winding is had a common boundary and is twined from one end of mold
To the other end；
3.2）Liner enhancement layer makes：
3.2.1）The curved transition region of bellmouth and mold shrimp is wound into 3~4mm with 12~20 strands of glass fiber yarn composition row's yarns
Thickness, winding thickness is uniform, surface smooth-going；
3.2.2）One layer is wound from one end of mold to the other end with three-dimensional cloth, is then back to, three-dimensional strap is taken during winding
Side half；
3.2.3）It is wound, twined to 3~4mm since the position of mold centre with 12~20 strands of glass fiber yarn composition row's yarns again
Thickness, winding thickness is uniform, surface smooth-going；
3.2.4）Repeat step 3.2.1）To step 3.2.3）, to reach thickness requirement；It twines knot beam and removes elbow surface
Extra mixture；It is and after winding, equipment cleaning is clean；
4）Curing：
The elbow shifting for winding completion is put to curing oven, solidification temperature is 90~120 DEG C, hardening time >=70 minute；
5）Demoulding：
The elbow removal curing oven completed will be cured, demoulded after natural cooling；First remove the method tritonope of both mold ends
Plate, then dismantle the assembling die of the inside；
6）After cure：
Product after demoulding cures after carrying out, rear 130~140 DEG C of solidification temperature, and the time is not less than 150 minutes；
7）It examines：
The defects of checking whether taken off the elbow inner surface of mould deposits leak adhesive, if any being stored after should being repaired in time.
Preferably, by weight, the modified epoxy is composed of the following components：
72 parts of epoxy-modified epoxy resin of Bisphenol A Type,
17 parts of bisphenol F type epoxy modified epoxies,
8.6 part benzoxazine resin,
2.9 part short chain fatty acids,
1.8 part vinyltrimethoxysilane,
0.7 part of γ-(methacryloxypropyl) propyl trimethoxy silicane,
1.5 parts of N-Methyl pyrrolidones,
0.9 part of calgon,
1.7 parts of pentaerythritol triacrylates,
2.1 parts of ethylene glycol monostearates.
Preferably, the curing agent is selected from diaminodiphenylmethane, 4,4'- diaminodiphenylsulfones, polyethylene polyamine
It is one or more.
Preferably, the diluent is selected from acetone, methyl ethyl ketone, cyclohexanone, benzene,toluene,xylene, n-butanol, styrene
In it is one or more.
The advantages of the present invention are：A kind of winding shaping process of fiber glass epoxy elbow is provided, is made
Standby fiber glass epoxy elbow is high-quality, and service life is long.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.Following embodiment is only used for more
Add and clearly demonstrate technical scheme of the present invention, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
The technical solution that the present invention is embodied is：
A kind of winding shaping process of fiber glass epoxy elbow, includes the following steps：
1）Preparation：
1.1）Get raw material and auxiliary material；The raw material include：Modified epoxy, curing agent, diluent；Institute
Auxiliary material is stated to include：Glass fiber yarn, three-dimensional cloth, surface felt；
1.2）It checks whether raw material are more than the term of validity, and whether color and luster is uniform, has free from admixture, whether there is the suspension of semigel bulk
Object；Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3）Elbow module is got, die surface processing is clean, accomplish bright and clean impulse- free robustness, not damaged；Mold is installed
Onto Wiring apparatus, wax is uniformly spread in die surface after being fixedly secured, to demould；If temperature is less than 10 DEG C, mold needs
Carrying out preheating makes its surface temperature reach 45 ± 10 DEG C, then install a mold on Wiring apparatus；
2）Dispensing：
2.1）100 ± 1 part by weight modified epoxy resin are taken, pours into heating bucket and heats；When environment temperature is less than 15 DEG C, add
Hot barrel temperature control is at 70 ± 5 DEG C；When environment temperature is higher than 15 DEG C, heating barrel temperature control is at 50 ± 5 DEG C；
2.2）Modified epoxy after heating is put into mixer, then put into 24 ± 0.5 parts by weight curing agent and 0.1~
0.3 parts by weight diluent, is mixed evenly, and it is for use that mixture is made；
3）Molding：
3.1）Liner layer makes：Surface felt after leaching hopper infiltration is wound, winding is had a common boundary and is twined from one end of mold
To the other end；
3.2）Liner enhancement layer makes：
3.2.1）The curved transition region of bellmouth and mold shrimp is wound into 3~4mm with 12~20 strands of glass fiber yarn composition row's yarns
Thickness, winding thickness is uniform, surface smooth-going；
3.2.2）One layer is wound from one end of mold to the other end with three-dimensional cloth, is then back to, three-dimensional strap is taken during winding
Side half；
3.2.3）It is wound, twined to 3~4mm since the position of mold centre with 12~20 strands of glass fiber yarn composition row's yarns again
Thickness, winding thickness is uniform, surface smooth-going；
3.2.4）Repeat step 3.2.1）To step 3.2.3）, to reach thickness requirement；It twines knot beam and removes elbow surface
Extra mixture；It is and after winding, equipment cleaning is clean；
4）Curing：
The elbow shifting for winding completion is put to curing oven, solidification temperature is 90~120 DEG C, hardening time >=70 minute；
5）Demoulding：
The elbow removal curing oven completed will be cured, demoulded after natural cooling；First remove the method tritonope of both mold ends
Plate, then dismantle the assembling die of the inside；
6）After cure：
Product after demoulding cures after carrying out, rear 130~140 DEG C of solidification temperature, and the time is not less than 150 minutes；
7）It examines：
The defects of checking whether taken off the elbow inner surface of mould deposits leak adhesive, if any being stored after should being repaired in time.
By weight, the modified epoxy is composed of the following components：
72 parts of epoxy-modified epoxy resin of Bisphenol A Type,
17 parts of bisphenol F type epoxy modified epoxies,
8.6 parts of benzoxazine resins,
2.9 parts of short chain fatty acids,
1.8 parts of vinyltrimethoxysilanes,
0.7 part of γ-(methacryloxypropyl) propyl trimethoxy silicane,
1.5 parts of N-Methyl pyrrolidones,
0.9 part of calgon,
1.7 parts of pentaerythritol triacrylates,
2.1 parts of ethylene glycol monostearates.
The one kind or more of the curing agent in diaminodiphenylmethane, 4,4' diaminodiphenyl sulfone, polyethylene polyamine
Kind.
The one kind of the diluent in acetone, methyl ethyl ketone, cyclohexanone, benzene,toluene,xylene, n-butanol, styrene
It is or a variety of.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (1)
1. the winding shaping process of fiber glass epoxy elbow, which is characterized in that include the following steps：
1）Preparation：
1.1）Get raw material and auxiliary material；The raw material include：Modified epoxy, curing agent, diluent；It is described auxiliary
Material is helped to include：Glass fiber yarn, three-dimensional cloth, surface felt；
By weight, the modified epoxy is composed of the following components：
72 parts of epoxy-modified epoxy resin of Bisphenol A Type,
17 parts of bisphenol F type epoxy modified epoxies,
8.6 parts of benzoxazine resins,
2.9 parts of short chain fatty acids,
1.8 parts of vinyltrimethoxysilanes,
0.7 part of γ-(methacryloxypropyl) propyl trimethoxy silicane,
1.5 parts of N-Methyl pyrrolidones,
0.9 part of calgon,
1.7 parts of pentaerythritol triacrylates,
2.1 parts of ethylene glycol monostearates；
The curing agent is one or more in diaminodiphenylmethane, 4,4' diaminodiphenyl sulfone, polyethylene polyamine；
The one kind or more of the diluent in acetone, methyl ethyl ketone, cyclohexanone, benzene,toluene,xylene, n-butanol, styrene
Kind；
1.2）Check whether raw material are more than the term of validity, and whether color and luster is uniform, has free from admixture, whether there is semigel bulk suspended matter；
Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3）Elbow module is got, die surface processing is clean, accomplish bright and clean impulse- free robustness, not damaged；It installs a mold into and twines
In equipment, wax is uniformly spread in die surface after being fixedly secured, to demould；If temperature is less than 10 DEG C, mold needs to carry out
Preheating makes its surface temperature reach 45 ± 10 DEG C, then install a mold on Wiring apparatus；
2）Dispensing：
2.1）100 ± 1 part by weight modified epoxy resin are taken, pours into heating bucket and heats；When environment temperature is less than 15 DEG C, bucket is heated
Temperature is controlled at 70 ± 5 DEG C；When environment temperature is higher than 15 DEG C, heating barrel temperature control is at 50 ± 5 DEG C；
2.2）Modified epoxy after heating is put into mixer, then put into 24 ± 0.5 parts by weight curing agent and 0.1~0.3
Parts by weight diluent is mixed evenly, and it is for use that mixture is made；
3）Molding：
3.1）Liner layer makes：Surface felt after leaching hopper infiltration is wound, winding is had a common boundary and is twined from one end of mold to another
One end；
3.2）Liner enhancement layer makes：
3.2.1）The curved transition region of bellmouth and mold shrimp is wound into 3~4mm thickness with 12~20 strands of glass fiber yarn composition row's yarns, is twined
It is uniform around thickness, surface smooth-going；
3.2.2）One layer is wound from one end of mold to the other end with three-dimensional cloth, is then back to, three-dimensional strap scrap (bridge) one during winding
Half；
3.2.3）It is wound, twined to 3~4mm thickness since the position of mold centre with 12~20 strands of glass fiber yarn composition row's yarns again,
It is uniform to wind thickness, surface smooth-going；
3.2.4）Repeat step 3.2.1）To step 3.2.3）, to reach thickness requirement；It twines knot beam and removes elbow excess surface
Mixture；It is and after winding, equipment cleaning is clean；
4）Curing：
The elbow shifting for winding completion is put to curing oven, solidification temperature is 90~120 DEG C, hardening time >=70 minute；
5）Demoulding：
The elbow removal curing oven completed will be cured, demoulded after natural cooling；The blank flange of both mold ends is first removed, then
Dismantle the assembling die of the inside；
6）After cure：
Product after demoulding cures after carrying out, rear 130~140 DEG C of solidification temperature, and the time is not less than 150 minutes；
7）It examines：
Check whether taken off the elbow inner surface of mould deposits leak adhesive defect, if any being stored after should being repaired in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342558.7A CN105922606B (en) | 2016-05-23 | 2016-05-23 | The winding shaping process of fiber glass epoxy elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342558.7A CN105922606B (en) | 2016-05-23 | 2016-05-23 | The winding shaping process of fiber glass epoxy elbow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105922606A CN105922606A (en) | 2016-09-07 |
| CN105922606B true CN105922606B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610342558.7A Active CN105922606B (en) | 2016-05-23 | 2016-05-23 | The winding shaping process of fiber glass epoxy elbow |
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| CN (1) | CN105922606B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111410897A (en) * | 2020-04-24 | 2020-07-14 | 山东多驰工程技术有限公司 | Method for continuously manufacturing anti-corrosion inner lining layer on inner wall of metal pipeline on site |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211407A (en) * | 2011-05-27 | 2011-10-12 | 连云港中复连众复合材料集团有限公司 | Manufacturing method of pipeline elbow made of composite material |
| EP2540483A1 (en) * | 2009-02-16 | 2013-01-02 | Sekisui Chemical Co., Ltd. | Method for bonding cylindrical members, method for manufacturing composite cylindrical body and obtained product |
| CN103742732A (en) * | 2013-12-24 | 2014-04-23 | 苏州市木易船舶设备有限公司 | Glass fiber reinforced plastic pipe and manufacturing method thereof |
| CN204196271U (en) * | 2014-03-19 | 2015-03-11 | 南京海珀复合材料有限公司 | A kind of composite material elbow filament-wound device |
| CN105459412A (en) * | 2015-12-19 | 2016-04-06 | 胜利油田新大管业科技发展有限责任公司 | Fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment and manufacturing process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001047707A1 (en) * | 1999-12-28 | 2001-07-05 | Nippon Shokubai Co., Ltd. | Multilayer material |
-
2016
- 2016-05-23 CN CN201610342558.7A patent/CN105922606B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2540483A1 (en) * | 2009-02-16 | 2013-01-02 | Sekisui Chemical Co., Ltd. | Method for bonding cylindrical members, method for manufacturing composite cylindrical body and obtained product |
| CN102211407A (en) * | 2011-05-27 | 2011-10-12 | 连云港中复连众复合材料集团有限公司 | Manufacturing method of pipeline elbow made of composite material |
| CN103742732A (en) * | 2013-12-24 | 2014-04-23 | 苏州市木易船舶设备有限公司 | Glass fiber reinforced plastic pipe and manufacturing method thereof |
| CN204196271U (en) * | 2014-03-19 | 2015-03-11 | 南京海珀复合材料有限公司 | A kind of composite material elbow filament-wound device |
| CN105459412A (en) * | 2015-12-19 | 2016-04-06 | 胜利油田新大管业科技发展有限责任公司 | Fiber-wound glass fiber reinforced plastic pipe fitting manufacturing equipment and manufacturing process |
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| CN105922606A (en) | 2016-09-07 |
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