CN105922606A - Winding molding process of epoxy glass steel elbow - Google Patents
Winding molding process of epoxy glass steel elbow Download PDFInfo
- Publication number
- CN105922606A CN105922606A CN201610342558.7A CN201610342558A CN105922606A CN 105922606 A CN105922606 A CN 105922606A CN 201610342558 A CN201610342558 A CN 201610342558A CN 105922606 A CN105922606 A CN 105922606A
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- elbow
- parts
- winding
- mould
- wound around
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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 winding molding process of an epoxy glass steel elbow. The method comprises the steps of: 1) preparation; 2) batching; 3) molding; 3.1) manufacturing of a lining layer; 3.2) manufacturing of a lining reinforcing layer; 4) curing; 5) mold release; 6) post-curing; and 7) inspection. The epoxy glass steel elbow prepared by the winding molding process of the epoxy glass steel elbow is excellent in quality and long in service life.
Description
Technical field
The present invention relates to the winding shaping process of fiber glass epoxy elbow.
Background technology
Winding shaping process is to be wound on core according to certain rule by the continuous fiber (or strap, prepegged strands) of dipped modified epoxy glue, the most cured, the demoulding, it is thus achieved that goods.And the winding shaping process of existing fiber glass epoxy elbow haves much room for improvement.
Summary of the invention
It is an object of the invention to provide the winding shaping process of a kind of fiber glass epoxy elbow, the fiber glass epoxy elbow quality that it is prepared is good, and service life is long.
For achieving the above object, the technical scheme is that the winding shaping process designing a kind of fiber glass epoxy elbow, comprise the steps:
1) preparation:
1.1) raw material and auxiliary material are got；Described raw material includes: modified epoxy, firming agent, diluent；Described auxiliary material includes: glass fiber yarn, three-dimensional cloth, surface felt；
1.2) checking whether raw material exceedes effect duration, color and luster is the most uniform, have free from admixture, with or without semigel bulk float；Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3) get elbow module, die surface is processed clean, accomplish bright and clean impulse-free robustness, not damaged；Install a mold on Wiring apparatus, uniformly spread wax at die surface after fixedly securing, in order to the demoulding；If temperature is less than 10 DEG C, mould need to carry out preheating makes its surface temperature reach 45 ± 10 DEG C, then installs a mold on Wiring apparatus；
2) dispensing:
2.1) take 100 ± 1 part by weight modified epoxy resin, pour heating in heating bucket into；When ambient temperature is less than 15 DEG C, and heating barrel temperature controls at 70 ± 5 DEG C；When ambient temperature is higher than 15 DEG C, and heating barrel temperature controls at 50 ± 5 DEG C；
2.2) modified epoxy after heating is put into mixer, then put into 24 ± 0.5 weight portion firming agent and 0.1～0.3 parts by weight diluent, mixing and stirring, prepare compound stand-by；
3) molding:
3.1) inner liner makes: is wound after leaching hopper infiltration by surface felt, has a common boundary winding and twine to the other end from one end of mould；
3.2) liner enhancement Layer makes:
3.2.1) with 12～20 strands of glass fiber yarn composition row's yarns, transition region curved with mould shrimp for bellmouth being wound around 3～4mm thickness, be wound around thickness and want uniformly, surface smoothes out；
3.2.2) it is wound around one layer by one end of mould to the other end with three-dimensional cloth, is then back to, three-dimensional strap scrap (bridge) half during winding；
3.2.3) starting to be wound around from mould middle part with 12～20 strands of glass fiber yarn composition row's yarns again, twine to 3～4mm thickness, be wound around thickness and want uniformly, surface smoothes out；
3.2.4) step 3.2.1 is repeated) to step 3.2.3), to reach thickness requirement；Twine knot bundle and remove the compound of elbow excess surface；And after winding terminates, equipment cleaning is clean；
4) solidification:
Elbow winding completed moves to be put to curing oven, and solidification temperature is 90～120 DEG C, hardening time >=70 minute；
5) demoulding:
Elbow removal curing oven solidification completed, carries out the demoulding after natural cooling；First remove the blank flange of both mold ends, then dismantle the assembling die of the inside；
6) solidification afterwards:
Product after the demoulding to solidify after carrying out, and rear solidification temperature 130～140 DEG C, the time is not less than 150 minutes；
7) inspection:
Check and taken off whether the elbow inner surface of mould deposits the Lou defect such as glue, if any depositing after repairing in time.
Preferably, by weight, described modified epoxy is composed of the following components:
72 parts of epoxide modified epoxy resin of Bisphenol A Type,
17 parts of bisphenol F type epoxy modified epoxies,
8.6 parts of benzoxazine resin,
2.9 parts of short-chain fatty acid,
1.8 parts of vinyltrimethoxy silanes,
0.7 part of γ-(methacryloxypropyl) propyl trimethoxy silicane,
1.5 parts of N-Methyl pyrrolidone,
0.9 part of sodium hexameta phosphate,
1.7 parts of pentaerythritol triacrylates,
2.1 parts of ethylene glycol monostearates.
Preferably, described firming agent selected from MDA, 4, one or more in 4'-DADPS, polyethylene polyamine.
Preferably, one or more in acetone, butanone, Ketohexamethylene, benzene,toluene,xylene, n-butyl alcohol, styrene of described diluent.
Advantages of the present invention and having the beneficial effects that: providing the winding shaping process of a kind of fiber glass epoxy elbow, the fiber glass epoxy elbow quality that it is prepared is good, and service life is long.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
The technical scheme that the present invention is embodied as is:
The winding shaping process of a kind of fiber glass epoxy elbow, comprises the steps:
1) preparation:
1.1) raw material and auxiliary material are got；Described raw material includes: modified epoxy, firming agent, diluent；Described auxiliary material includes: glass fiber yarn, three-dimensional cloth, surface felt；
1.2) checking whether raw material exceedes effect duration, color and luster is the most uniform, have free from admixture, with or without semigel bulk float；Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3) get elbow module, die surface is processed clean, accomplish bright and clean impulse-free robustness, not damaged；Install a mold on Wiring apparatus, uniformly spread wax at die surface after fixedly securing, in order to the demoulding；If temperature is less than 10 DEG C, mould need to carry out preheating makes its surface temperature reach 45 ± 10 DEG C, then installs a mold on Wiring apparatus；
2) dispensing:
2.1) take 100 ± 1 part by weight modified epoxy resin, pour heating in heating bucket into；When ambient temperature is less than 15 DEG C, and heating barrel temperature controls at 70 ± 5 DEG C；When ambient temperature is higher than 15 DEG C, and heating barrel temperature controls at 50 ± 5 DEG C；
2.2) modified epoxy after heating is put into mixer, then put into 24 ± 0.5 weight portion firming agent and 0.1～0.3 parts by weight diluent, mixing and stirring, prepare compound stand-by；
3) molding:
3.1) inner liner makes: is wound after leaching hopper infiltration by surface felt, has a common boundary winding and twine to the other end from one end of mould；
3.2) liner enhancement Layer makes:
3.2.1) with 12～20 strands of glass fiber yarn composition row's yarns, transition region curved with mould shrimp for bellmouth being wound around 3～4mm thickness, be wound around thickness and want uniformly, surface smoothes out；
3.2.2) it is wound around one layer by one end of mould to the other end with three-dimensional cloth, is then back to, three-dimensional strap scrap (bridge) half during winding；
3.2.3) starting to be wound around from mould middle part with 12～20 strands of glass fiber yarn composition row's yarns again, twine to 3～4mm thickness, be wound around thickness and want uniformly, surface smoothes out；
3.2.4) step 3.2.1 is repeated) to step 3.2.3), to reach thickness requirement；Twine knot bundle and remove the compound of elbow excess surface；And after winding terminates, equipment cleaning is clean；
4) solidification:
Elbow winding completed moves to be put to curing oven, and solidification temperature is 90～120 DEG C, hardening time >=70 minute；
5) demoulding:
Elbow removal curing oven solidification completed, carries out the demoulding after natural cooling；First remove the blank flange of both mold ends, then dismantle the assembling die of the inside；
6) solidification afterwards:
Product after the demoulding to solidify after carrying out, and rear solidification temperature 130～140 DEG C, the time is not less than 150 minutes；
7) inspection:
Check and taken off whether the elbow inner surface of mould deposits the Lou defect such as glue, if any depositing after repairing in time.
By weight, described modified epoxy is composed of the following components:
72 parts of epoxide modified epoxy resin of Bisphenol A Type,
17 parts of bisphenol F type epoxy modified epoxies,
8.6 parts of benzoxazine resin,
2.9 parts of short-chain fatty acid,
1.8 parts of vinyltrimethoxy silanes,
0.7 part of γ-(methacryloxypropyl) propyl trimethoxy silicane,
1.5 parts of N-Methyl pyrrolidone,
0.9 part of sodium hexameta phosphate,
1.7 parts of pentaerythritol triacrylates,
2.1 parts of ethylene glycol monostearates.
One or more in MDA, 4,4' diaminodiphenyl sulfone, polyethylene polyamine of described firming agent.
One or more in acetone, butanone, Ketohexamethylene, benzene,toluene,xylene, n-butyl alcohol, styrene of described diluent.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
1. the winding shaping process of fiber glass epoxy elbow, it is characterised in that comprise the steps:
1) preparation:
1.1) raw material and auxiliary material are got；Described raw material includes: modified epoxy, firming agent, diluent；Described auxiliary material includes: glass fiber yarn, three-dimensional cloth, surface felt；
1.2) checking whether raw material exceedes effect duration, color and luster is the most uniform, have free from admixture, with or without semigel bulk float；Check whether glass fiber yarn, three-dimensional cloth, surface felt make moist；
1.3) get elbow module, die surface is processed clean, accomplish bright and clean impulse-free robustness, not damaged；Install a mold on Wiring apparatus, uniformly spread wax at die surface after fixedly securing, in order to the demoulding；If temperature is less than 10 DEG C, mould need to carry out preheating makes its surface temperature reach 45 ± 10 DEG C, then installs a mold on Wiring apparatus；
2) dispensing:
2.1) take 100 ± 1 part by weight modified epoxy resin, pour heating in heating bucket into；When ambient temperature is less than 15 DEG C, and heating barrel temperature controls at 70 ± 5 DEG C；When ambient temperature is higher than 15 DEG C, and heating barrel temperature controls at 50 ± 5 DEG C；
2.2) modified epoxy after heating is put into mixer, then put into 24 ± 0.5 weight portion firming agent and 0.1～0.3 parts by weight diluent, mixing and stirring, prepare compound stand-by；
3) molding:
3.1) inner liner makes: is wound after leaching hopper infiltration by surface felt, has a common boundary winding and twine to the other end from one end of mould；
3.2) liner enhancement Layer makes:
3.2.1) with 12～20 strands of glass fiber yarn composition row's yarns, transition region curved with mould shrimp for bellmouth being wound around 3～4mm thickness, be wound around thickness and want uniformly, surface smoothes out；
3.2.2) it is wound around one layer by one end of mould to the other end with three-dimensional cloth, is then back to, three-dimensional strap scrap (bridge) half during winding；
3.2.3) starting to be wound around from mould middle part with 12～20 strands of glass fiber yarn composition row's yarns again, twine to 3～4mm thickness, be wound around thickness and want uniformly, surface smoothes out；
3.2.4) step 3.2.1 is repeated) to step 3.2.3), to reach thickness requirement；Twine knot bundle and remove the compound of elbow excess surface；And after winding terminates, equipment cleaning is clean；
4) solidification:
Elbow winding completed moves to be put to curing oven, and solidification temperature is 90～120 DEG C, hardening time >=70 minute；
5) demoulding:
Elbow removal curing oven solidification completed, carries out the demoulding after natural cooling；First remove the blank flange of both mold ends, then dismantle the assembling die of the inside；
6) solidification afterwards:
Product after the demoulding to solidify after carrying out, and rear solidification temperature 130～140 DEG C, the time is not less than 150 minutes；
7) inspection:
Check and taken off whether the elbow inner surface of mould deposits the Lou defect such as glue, if any depositing after repairing in time.
The winding shaping process of fiber glass epoxy elbow the most according to claim 1, it is characterised in that by weight, described modified epoxy is composed of the following components:
72 parts of epoxide modified epoxy resin of Bisphenol A Type,
17 parts of bisphenol F type epoxy modified epoxies,
8.6 parts of benzoxazine resin,
2.9 parts of short-chain fatty acid,
1.8 parts of vinyltrimethoxy silanes,
0.7 part of γ-(methacryloxypropyl) propyl trimethoxy silicane,
1.5 parts of N-Methyl pyrrolidone,
0.9 part of sodium hexameta phosphate,
1.7 parts of pentaerythritol triacrylates,
2.1 parts of ethylene glycol monostearates.
The winding shaping process of fiber glass epoxy elbow the most according to claim 2, it is characterised in that described firming agent selected from MDA, 4, one or more in 4'-DADPS, polyethylene polyamine.
The winding shaping process of fiber glass epoxy elbow the most according to claim 3, it is characterised in that one or more in acetone, butanone, Ketohexamethylene, benzene,toluene,xylene, n-butyl alcohol, styrene of described diluent.
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 true CN105922606A (en) | 2016-09-07 |
| CN105922606B 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030099828A1 (en) * | 1999-12-28 | 2003-05-29 | Masaaki Bundo | Multilayer material |
| 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 |
-
2016
- 2016-05-23 CN CN201610342558.7A patent/CN105922606B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030099828A1 (en) * | 1999-12-28 | 2003-05-29 | Masaaki Bundo | Multilayer 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105922606B (en) | 2018-06-08 |
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