CN111016216A - Glass fiber reinforced plastic cylinder manufacturing process - Google Patents
Glass fiber reinforced plastic cylinder manufacturing process Download PDFInfo
- Publication number
- CN111016216A CN111016216A CN201911156674.XA CN201911156674A CN111016216A CN 111016216 A CN111016216 A CN 111016216A CN 201911156674 A CN201911156674 A CN 201911156674A CN 111016216 A CN111016216 A CN 111016216A
- Authority
- CN
- China
- Prior art keywords
- winding
- glass fiber
- reinforced plastic
- fiber reinforced
- plastic cylinder
- Prior art date
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- B29C70/36—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 impregnating by casting, e.g. vacuum casting
-
- 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
- B29C70/32—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 on a rotating 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3412—Insulators
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a manufacturing process of a glass fiber reinforced plastic cylinder, which comprises the following steps of laying and laying polyester fabric in advance, and sequentially weaving and winding and annularly winding; assembling a vacuum impregnation system; dipping in vacuum; curing and demolding; the invention solves the problems of micro bubbles and white spots in the glass fiber reinforced plastic cylinder, improves the product quality and eliminates the hidden trouble of equipment in live operation.
Description
Technical Field
The invention relates to the field of composite material preparation, and is used for manufacturing a glass fiber reinforced plastic cylinder for a hollow composite insulator in an electric power system, in particular to a manufacturing process of the glass fiber reinforced plastic cylinder.
Background
At present, glass fiber reinforced plastic cylinders for hollow composite insulators are generally produced in a wet winding mode after glass fibers are soaked in epoxy resin, and because the winding process is not subjected to vacuum treatment, tiny bubbles and local white spots inevitably exist after curing is finished, the rate of finished products is low, and quality hidden troubles exist, so that the development and production of higher-quality glass fiber reinforced plastic cylinders become a pending matter.
Disclosure of Invention
The invention aims to develop a new production process, solve the problems of micro bubbles and white spots in a glass fiber reinforced plastic cylinder, improve the product quality and eliminate hidden danger in the live operation of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: a glass fiber reinforced plastic cylinder manufacturing process comprises the following steps:
s1, laying and applying polyester fabric in advance, and sequentially weaving and winding and annularly winding; the epoxy resin is prevented from being extruded out, so that the phenomenon of inner layer glue shortage is avoided.
S2, assembling a vacuum impregnation system; the vacuum impregnation system can vacuumize the sealed space.
S3, dipping in vacuum; the vacuum impregnation accelerates the impregnation speed and improves the impregnation uniformity, the process is simple and easy to operate, the production efficiency can be greatly improved, the production cost is reduced, and the glass fiber reinforced plastic cylinder with excellent comprehensive performance is obtained.
S4, curing and demolding; the stability and the consistency of the product performance are ensured.
S5: and processing the demoulded blank into a finished product.
In step S1, 1mm of polyester fabric is laid, and 5 layers of 0.2mm thick polyester fabric are laid by winding smoothly, and 5 layers of 0.2mm thick polyester fabric are used to improve the permeability of the glue solution to the fabric and control the content of the epoxy resin.
In the step S1, glass fiber yarns are adopted for weaving and winding, the winding angle is 40-50 degrees, hoop winding is carried out when the winding reaches the diameter of a finished product of 1mm, the hoop winding stops when the winding reaches 5mm, layers of the weaving winding and the hoop winding are more compact, the cross winding is not easy to stack together, and the staggered joint phenomenon is reduced.
20-28 glass fiber yarns are adopted for weaving and winding, and the glass fiber reinforced plastic composite material has the advantages of high elastic coefficient, good rigidity, large elongation within the elastic limit, high tensile strength and strong impact energy absorption.
In step S2, the vacuum impregnation system includes several sections including a spiral diversion pipe, a diversion net and a tee joint; the guide net is pre-embedded and woven, the guide net covers the periphery of the guide spiral pipe, the tee joint is communicated with the guide spiral pipe, and the guide net is pre-embedded and woven in the vacuum epoxy resin pouring process, so that the effect of epoxy resin drainage in a vacuum environment is achieved.
The vacuum impregnation system is sealed by adopting a vacuum bag film, and vacuum impregnation is carried out after treatment, so that glue can be fully infiltrated with epoxy resin, the mechanical property of the composite material is greatly improved, a manual glue brushing link is omitted, the construction is more convenient and faster, and the working efficiency is improved.
In the vacuum impregnation, the vacuum degree is pumped to-0.03 MPa-0.07MPa, then the epoxy resin is subjected to segmented vacuum impregnation, and air is fully pumped away, so that the impregnation speed and quality, particularly the impregnation uniformity, are improved, and meanwhile, the condition that a large amount of epoxy resin is volatilized in a low-pressure environment in the processes of injecting the epoxy resin and vacuumizing in advance can be avoided by adopting the segmented vacuum impregnation.
In a further improvement of the present invention, in step S4, high temperature curing and demolding are performed by using a demolding device.
In a further improvement of the present invention, in step S5, the demolded blank is machined into a finished product by a lathe to obtain a glass fiber reinforced plastic cylinder with excellent properties.
Compared with the prior art, the invention has the beneficial effects that: the problems of micro bubbles and white spots in the glass fiber reinforced plastic cylinder are solved, the product quality is improved, and the hidden danger of equipment in live operation is eliminated;
laying polyester fabric in advance, and then sequentially weaving, winding and annularly winding to ensure that epoxy resin is not extruded out to cause the phenomenon of inner layer glue shortage;
the empty impregnation system can vacuumize the sealed space, the vacuum impregnation speeds up the impregnation speed and improves the impregnation uniformity, the process is simple, the operation is easy, the production efficiency can be greatly improved, the production cost is reduced, and the glass fiber reinforced plastic cylinder with excellent comprehensive performance is obtained.
Drawings
FIG. 1 is a schematic structural diagram of a vacuum impregnation system;
in the drawings: the device comprises a flow guide spiral pipe 1, a flow guide net 2 and a tee joint 3.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a manufacturing process for winding a vacuum impregnation glass fiber reinforced plastic cylinder by a dry method, which solves the problems of micro bubbles and white spots in the glass fiber reinforced plastic cylinder, improves the product quality and eliminates hidden dangers in the live operation of equipment.
Example 1:
a manufacturing process for winding a vacuum impregnation glass fiber reinforced plastic cylinder by a dry method comprises the following steps:
s1, laying and applying polyester fabric in advance, and sequentially weaving and winding and annularly winding;
s2, assembling a vacuum impregnation system;
s3, dipping in vacuum; the vacuum impregnation accelerates the impregnation speed and improves the impregnation uniformity, the process is simple and easy to operate, the production efficiency can be greatly improved, the production cost is reduced, and the glass fiber reinforced plastic cylinder with excellent comprehensive performance is obtained.
S4, curing and demolding;
s5: and processing the demoulded blank into a finished product.
In step S1, a 1mm Dacron fabric was laid.
When in laying, 5 layers of terylene cloth with the thickness of 0.2mm are adopted for flat winding and laying.
In step S1, weaving and winding with glass fiber yarns at a winding angle of 40 degrees, winding until the diameter of the finished product is 0.8mm, and then hoop winding until the diameter of the hoop winding reaches 5mm, wherein in this embodiment, 28 glass fiber yarns are used for weaving and winding.
In step S2, as shown in fig. 1, the vacuum impregnation system includes several sections, including a diversion spiral pipe 1, a diversion net 2, and a tee joint 3; the three-way pipe is communicated with the diversion spiral pipe, the distance between the two vacuum impregnation systems is A shown in figure 1 and is 30mm, the three-way pipe is arranged at one side of the diversion net close to one end where the two vacuum impregnation systems are connected, and is shown as B in figure 1, and the distance between the B and the diversion net is 50 mm.
The vacuum impregnation system is sealed by adopting a vacuum bag film, vacuum impregnation is carried out after treatment, and the vacuum bag film sealing is beneficial to reducing volatilization of epoxy resin, reducing production cost and reducing environmental pollution.
In the vacuum impregnation, the vacuum degree is pumped to-0.07 MPa, then the epoxy resin is subjected to segmented vacuum impregnation, and air is fully pumped away, so that the impregnation speed and quality, particularly the impregnation uniformity, can be improved, and meanwhile, the phenomenon that a large amount of epoxy resin is volatilized in a low-pressure environment in the processes of injecting the epoxy resin and vacuumizing the epoxy resin in advance can be avoided.
In step S4, high-temperature curing and demolding are performed by a demolding device.
In step S5, the demolded blank is machined into a finished product using a lathe.
Example 2:
a manufacturing process for winding a vacuum impregnation glass fiber reinforced plastic cylinder by a dry method comprises the following steps:
s1, laying and applying polyester fabric in advance, and sequentially weaving and winding and annularly winding;
s2, assembling a vacuum impregnation system;
s3, dipping in vacuum; the vacuum impregnation accelerates the impregnation speed and improves the impregnation uniformity, the process is simple and easy to operate, the production efficiency can be greatly improved, the production cost is reduced, and the glass fiber reinforced plastic cylinder with excellent comprehensive performance is obtained.
S4, curing and demolding;
s5: and processing the demoulded blank into a finished product.
In step S1, a 1mm Dacron fabric was laid.
When in laying, 5 layers of terylene cloth with the thickness of 0.2mm are adopted for flat winding and laying.
In step S1, weaving and winding with glass fiber yarns at a winding angle of 43 degrees, winding until the diameter of the finished product is 1mm, and then hoop winding until the diameter of the hoop winding reaches 6mm, wherein in this embodiment, 26 glass fiber yarns are used for weaving and winding.
In step S2, as shown in fig. 1, the vacuum impregnation system includes several sections, including a diversion spiral pipe 1, a diversion net 2, and a tee joint 3; the three-way pipe is communicated with the diversion spiral pipe, the distance between the two vacuum impregnation systems is A shown in figure 1 and is 30mm, the three-way pipe is arranged at one side of the diversion net close to one end where the two vacuum impregnation systems are connected, and is shown as B in figure 1, and the distance between the B and the diversion net is 50 mm.
The vacuum impregnation system is sealed by adopting a vacuum bag film, vacuum impregnation is carried out after treatment, and the vacuum bag film sealing is beneficial to reducing volatilization of epoxy resin, reducing production cost and reducing environmental pollution.
In the vacuum impregnation, the vacuum degree is pumped to-0.05 MPa, then the epoxy resin is subjected to segmented vacuum impregnation, and air is fully pumped away, so that the impregnation speed and quality, particularly the impregnation uniformity, can be improved, and meanwhile, the phenomenon that a large amount of epoxy resin is volatilized in a low-pressure environment in the processes of injecting the epoxy resin and vacuumizing the epoxy resin in advance can be avoided.
In step S4, high-temperature curing and demolding are performed by a demolding device.
In step S5, the demolded blank is machined into a finished product using a lathe.
Example 3:
a manufacturing process for winding a vacuum impregnation glass fiber reinforced plastic cylinder by a dry method comprises the following steps:
s1, laying and applying polyester fabric in advance, and sequentially weaving and winding and annularly winding;
s2, assembling a vacuum impregnation system;
s3, dipping in vacuum; the vacuum impregnation accelerates the impregnation speed and improves the impregnation uniformity, the process is simple and easy to operate, the production efficiency can be greatly improved, the production cost is reduced, and the glass fiber reinforced plastic cylinder with excellent comprehensive performance is obtained.
S4, curing and demolding;
s5: and processing the demoulded blank into a finished product.
In step S1, a 1mm Dacron fabric was laid.
When in laying, 5 layers of terylene cloth with the thickness of 0.2mm are adopted for flat winding and laying.
In step S1, weaving and winding with glass fiber yarns at a winding angle of 45 degrees, winding until the diameter of the finished product is 0.9mm, and then hoop winding until the diameter of the hoop winding reaches 5.5mm, wherein in this embodiment, 24 glass fiber yarns are used for weaving and winding.
In step S2, as shown in fig. 1, the vacuum impregnation system includes several sections, including a diversion spiral pipe 1, a diversion net 2, and a tee joint 3; the three-way pipe is communicated with the diversion spiral pipe, the distance between the two vacuum impregnation systems is A shown in figure 1 and is 30mm, the three-way pipe is arranged at one side of the diversion net close to one end where the two vacuum impregnation systems are connected, and is shown as B in figure 1, and the distance between the B and the diversion net is 50 mm.
The vacuum impregnation system is sealed by adopting a vacuum bag film, vacuum impregnation is carried out after treatment, and the vacuum bag film sealing is beneficial to reducing volatilization of epoxy resin, reducing production cost and reducing environmental pollution.
In the vacuum impregnation, the vacuum degree is pumped to-0.06 MPa, then the epoxy resin is subjected to segmented vacuum impregnation, and the air is fully pumped away, so that the impregnation speed and quality, particularly the impregnation uniformity, can be improved, and meanwhile, the condition that a large amount of epoxy resin is volatilized in a low-pressure environment in the processes of injecting the epoxy resin and vacuumizing the epoxy resin in advance can be avoided.
In step S4, high-temperature curing and demolding are performed by a demolding device.
In step S5, the demolded blank is machined into a finished product using a lathe.
Example 4:
a manufacturing process for winding a vacuum impregnation glass fiber reinforced plastic cylinder by a dry method comprises the following steps:
s1, laying and applying polyester fabric in advance, and sequentially weaving and winding and annularly winding;
s2, assembling a vacuum impregnation system;
s3, dipping in vacuum; the vacuum impregnation accelerates the impregnation speed and improves the impregnation uniformity, the process is simple and easy to operate, the production efficiency can be greatly improved, the production cost is reduced, and the glass fiber reinforced plastic cylinder with excellent comprehensive performance is obtained.
S4, curing and demolding;
s5: and processing the demoulded blank into a finished product.
In step S1, a 1mm Dacron fabric was laid.
When in laying, 5 layers of terylene cloth with the thickness of 0.2mm are adopted for flat winding and laying.
In step S1, weaving and winding with glass fiber yarns at a winding angle of 50 degrees, winding until the diameter of the finished product is 1.2mm, and then hoop winding until the diameter of the hoop winding reaches 4mm, wherein in this embodiment, 20 glass fiber yarns are used for weaving and winding.
In step S2, as shown in fig. 1, the vacuum impregnation system includes several sections, including a diversion spiral pipe 1, a diversion net 2, and a tee joint 3; the three-way pipe is communicated with the diversion spiral pipe, the distance between the two vacuum impregnation systems is A shown in figure 1 and is 30mm, the three-way pipe is arranged at one side of the diversion net close to one end where the two vacuum impregnation systems are connected, and is shown as B in figure 1, and the distance between the B and the diversion net is 50 mm.
The vacuum impregnation system is sealed by adopting a vacuum bag film, vacuum impregnation is carried out after treatment, and the vacuum bag film sealing is beneficial to reducing volatilization of epoxy resin, reducing production cost and reducing environmental pollution.
In the vacuum impregnation, the vacuum degree is pumped to-0.03 MPa, then the epoxy resin is subjected to segmented vacuum impregnation, and air is fully pumped away, so that the impregnation speed and quality, particularly the impregnation uniformity, can be improved, and meanwhile, the phenomenon that a large amount of epoxy resin is volatilized in a low-pressure environment in the processes of injecting the epoxy resin and vacuumizing the epoxy resin in advance can be avoided.
In step S4, high-temperature curing and demolding are performed by a demolding device.
In step S5, the demolded blank is machined into a finished product using a lathe.
The performance data for the glass fiber reinforced plastic cylinders prepared using the methods of examples 1-4 are as follows:
the foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The manufacturing process of the glass fiber reinforced plastic cylinder is characterized by comprising the following steps:
s1, laying terylene cloth in advance,
s2 dry winding of glass filaments: weaving and winding and hoop winding are sequentially carried out;
s3, assembling a vacuum impregnation system;
s4, dipping in vacuum;
s5, curing and demolding;
s6: and processing the demoulded blank into a finished product.
2. The process of claim 1, wherein in step S1, Dacron cloth of 1mm is laid.
3. The process of claim 2, wherein 5 layers of 0.2mm thick polyester fabric are laid by winding and winding.
4. The process for manufacturing a glass fiber reinforced plastic cylinder according to claim 1, wherein in step S1, glass fiber yarns are adopted for weaving and winding, the winding angle is 40-50 degrees, the hoop winding is performed when the diameter of the finished product is 0.8-1.2mm, and the hoop winding is stopped when the diameter is 4-6 mm.
5. The process for manufacturing a glass fiber reinforced plastic cylinder according to claim 4, wherein 20 to 28 glass fiber yarns are adopted for weaving and winding.
6. The process for manufacturing a glass fiber reinforced plastic cylinder according to claim 1, wherein in step S2, the vacuum impregnation system comprises a plurality of sections including a diversion spiral pipe, a diversion net and a tee joint; and a flow guide net is embedded and woven in advance, the flow guide net covers the periphery of the flow guide spiral pipe, and the tee joint is communicated with the flow guide spiral pipe.
7. The process for manufacturing a glass fiber reinforced plastic cylinder according to claim 6, wherein the vacuum impregnation system is sealed by a vacuum bag film, and vacuum impregnation is performed after the treatment.
8. The process for manufacturing a glass fiber reinforced plastic cylinder according to claim 6, wherein the vacuum impregnation is performed after the vacuum degree is pumped to-0.03 MPa to-0.07 MPa, and then the epoxy resin is subjected to segmented vacuum impregnation.
9. The process of claim 1, wherein in step S4, the glass fiber reinforced plastic cylinder is cured at high temperature and demolded by a demold apparatus.
10. The process of claim 1, wherein in step S5, the demolded blank is machined into a finished product using a lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911156674.XA CN111016216A (en) | 2019-11-22 | 2019-11-22 | Glass fiber reinforced plastic cylinder manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911156674.XA CN111016216A (en) | 2019-11-22 | 2019-11-22 | Glass fiber reinforced plastic cylinder manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111016216A true CN111016216A (en) | 2020-04-17 |
Family
ID=70202787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911156674.XA Pending CN111016216A (en) | 2019-11-22 | 2019-11-22 | Glass fiber reinforced plastic cylinder manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111016216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977978A (en) * | 2021-09-27 | 2022-01-28 | 长春长光宇航复合材料有限公司 | Preparation method of bearing cylinder made of composite material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203311937U (en) * | 2013-07-01 | 2013-11-27 | 江苏智达高压电气有限公司 | Composite hollow insulator |
| CN104149325A (en) * | 2013-05-14 | 2014-11-19 | 上海杰事杰新材料(集团)股份有限公司 | Process for laminating thermoplastic winding pipeline |
| CN104867635A (en) * | 2015-05-18 | 2015-08-26 | 南京电气高压套管有限公司 | Processing method for epoxy resin vacuum impregnation glass fiber hollow composite insulator |
| CN106448958A (en) * | 2016-10-25 | 2017-02-22 | 北京玻钢院复合材料有限公司 | Non-resin winding perform, insulator core rod and preparation method |
| CN206236491U (en) * | 2016-12-12 | 2017-06-09 | 北京玻钢院复合材料有限公司 | The vacuum forming device of core rod of insulator |
| CN107553936A (en) * | 2017-09-04 | 2018-01-09 | 徐卫国 | A kind of method for carrying out preparing fiberglass using vacuum diversion |
-
2019
- 2019-11-22 CN CN201911156674.XA patent/CN111016216A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149325A (en) * | 2013-05-14 | 2014-11-19 | 上海杰事杰新材料(集团)股份有限公司 | Process for laminating thermoplastic winding pipeline |
| CN203311937U (en) * | 2013-07-01 | 2013-11-27 | 江苏智达高压电气有限公司 | Composite hollow insulator |
| CN104867635A (en) * | 2015-05-18 | 2015-08-26 | 南京电气高压套管有限公司 | Processing method for epoxy resin vacuum impregnation glass fiber hollow composite insulator |
| CN106448958A (en) * | 2016-10-25 | 2017-02-22 | 北京玻钢院复合材料有限公司 | Non-resin winding perform, insulator core rod and preparation method |
| CN206236491U (en) * | 2016-12-12 | 2017-06-09 | 北京玻钢院复合材料有限公司 | The vacuum forming device of core rod of insulator |
| CN107553936A (en) * | 2017-09-04 | 2018-01-09 | 徐卫国 | A kind of method for carrying out preparing fiberglass using vacuum diversion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977978A (en) * | 2021-09-27 | 2022-01-28 | 长春长光宇航复合材料有限公司 | Preparation method of bearing cylinder made of composite material |
| CN113977978B (en) * | 2021-09-27 | 2023-06-16 | 长春长光宇航复合材料有限公司 | Preparation method of composite material force bearing cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108177359B (en) | Vacuum rotary curing device and method for winding forming composite material | |
| CN103042700B (en) | Integrated forming method and device for segmented blade | |
| WO2016162348A1 (en) | Method for manufacturing fiber-reinforced plastic products | |
| CN106626536A (en) | Reinforced composite material foam sandwich cylinder and preparation method thereof | |
| CN105690790A (en) | Integral molding method of composite material blade for wind power generation, and apparatus thereof | |
| CN102729489A (en) | Method for manufacturing work piece by vacuum assisted resin transfer moulding | |
| CN102230448A (en) | Wind power generator blade of bamboo fibre reinforced composite material and manufacture method thereof | |
| CN111720631A (en) | High-ring-stiffness stretch-wound FRP pipe and preparation method thereof | |
| CN112895506B (en) | Production method of large-caliber engineering pipeline | |
| WO2024078450A1 (en) | Hollow insulating tube, preparation method for hollow insulating tube, and composite insulator | |
| CN202422879U (en) | Large-diameter mandrel for composite post insulator | |
| CN111016216A (en) | Glass fiber reinforced plastic cylinder manufacturing process | |
| CN110774614A (en) | Preparation of surface-treated natural fiber fabric reinforced resin-based laminated composite material | |
| CN207916105U (en) | A kind of winding molding compound material vacuum rotating solidification equipment | |
| CN102254654B (en) | Production method for hollow silicon rubber composite insulator | |
| CN113696465A (en) | Preparation method of hollow arc-shaped tubular composite material | |
| CN102765200B (en) | Gumming method of continuous fiber-woven pultrusion tubes | |
| CN113135005A (en) | Polypropylene and shear thickening liquid impregnated aramid fiber composite material and production process | |
| CN104934169A (en) | 10-110kV glass fiber epoxy resin capacitor sleeve pipe and manufacture equipment and technology | |
| CN2142912Y (en) | Fiber-reinforced draw-extrude plastic pipe | |
| CN111086195A (en) | FRP (fiber reinforced plastic) strip-shaped spiral stirrup and preparation method thereof | |
| CN206179608U (en) | Prefabricated body of insulator core rod and insulator | |
| CN212584450U (en) | High-ring-stiffness stretch-wrap FRP pipe | |
| CN109703062B (en) | Method for manufacturing emission box end cover by adopting vacuum-assisted resin diffusion molding process | |
| CN110948909B (en) | Forming method of square equal-section large-size composite material box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |
|
| RJ01 | Rejection of invention patent application after publication |