CN114311737A - Forming method of spraying heat insulation microwave curing gas generator - Google Patents
Forming method of spraying heat insulation microwave curing gas generator Download PDFInfo
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- CN114311737A CN114311737A CN202111392215.9A CN202111392215A CN114311737A CN 114311737 A CN114311737 A CN 114311737A CN 202111392215 A CN202111392215 A CN 202111392215A CN 114311737 A CN114311737 A CN 114311737A
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- 238000011415 microwave curing Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000009413 insulation Methods 0.000 title claims abstract description 29
- 238000005507 spraying Methods 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 53
- 239000002131 composite material Substances 0.000 claims abstract description 36
- 238000004804 winding Methods 0.000 claims abstract description 29
- 239000003292 glue Substances 0.000 claims abstract description 17
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 16
- 239000004917 carbon fiber Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 239000002737 fuel gas Substances 0.000 claims abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001723 curing Methods 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000002679 ablation Methods 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 10
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ITZGNPZZAICLKA-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) 7-oxabicyclo[4.1.0]heptane-3,4-dicarboxylate Chemical compound C1C2OC2CC(C(=O)OCC2OC2)C1C(=O)OCC1CO1 ITZGNPZZAICLKA-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- -1 heterocyclic amines Chemical class 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011208 reinforced composite material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The invention discloses a forming method of a spraying heat insulation microwave curing fuel gas generator, which comprises the following steps: 1) designing a forming core mould matched with the gas generator according to the external profile of the gas generator; 2) forming a heat insulation layer of the fuel gas generator on the outer surface of the forming core mold; 3) assembling a prefabricated front joint and a prefabricated rear joint at the front end and the rear end of a forming core mold respectively; 4) winding the carbon fiber impregnated with the microwave curing resin glue solution on the surfaces of the heat insulating layer and the front joint and the rear joint to form a composite layer; 5) carrying out microwave curing treatment on the wound gas generator; 6) demoulding to form the gas generator of the invention. The invention fully adopts the spraying of the heat insulating layer and the microwave curing winding of the composite layer, so that the thickness of the heat insulating layer of the gas generator and the internal mechanical property of the composite layer are uniform and consistent, and the aims of light weight and high strength of the composite material are fulfilled. The forming method has the advantages of low price, simple forming process method, high efficiency and environmental protection.
Description
Technical Field
The invention relates to the technical field of composite material product forming, in particular to a forming method of a spraying heat insulation microwave curing gas generator.
Background
With the progress of society, composite materials are applied in more and more fields. The gas generator is used as an important attitude control adjusting engine of a rocket, and the mechanical property and the weight requirement are improved, so that the original metal engine shell is gradually changed to a composite material shell.
The heat insulating layer is uniformly sprayed on the surface of the gas generator shell, so that the problems that the heat insulating layer is uneven in thickness and easily bulges and the like caused by the traditional paster are solved.
The microwave curing technology is a new composite material forming technology which is gradually developed in recent years, the traditional composite material forming technology adopts an electric heating curing oven to cure a resin matrix, and the surface and the interior of the composite material always have temperature difference. Microwave curing is to radiate microwave energy directly to the surface of a material and penetrate the material, so that the inside and the outside of the material are uniformly heated simultaneously, and the purpose of curing the composite material can be achieved in a short time. The traditional curing mode transfers heat by means of temperature difference, microwaves are uniformly distributed in the heating cavity, all parts of the composite material can be uniformly permeated with microwaves generally, the heat generated by electromagnetic waves is absorbed, and the uniformity is greatly improved. The heating effect of microwaves on the composite material is determined by the dielectric constant and the loss tangent of the material. The carbon fiber reinforced composite material has high dielectric constant and loss tangent value, and is especially suitable for automatic control of the whole heating process. The microwave curing technology is adopted to replace the curing oven curing technology, and the microwave curing technology is considered to be a key technology for the next generation of efficient energy-saving curing of composite materials due to a series of advantages of fast temperature response, low curing energy consumption, short period, low cost and the like.
Disclosure of Invention
In view of the above-mentioned problems of the prior art, the present invention provides a method for forming a thermal insulation microwave curing gas generator. The spraying of the heat insulating layer and the microwave curing winding of the composite layer are fully adopted, so that the thickness of the heat insulating layer of the gas generator and the internal mechanical property of the composite layer are uniform, and the aims of light weight and high strength of the composite material are fulfilled. The forming method has the advantages of low price, simple forming process method, high efficiency and environmental protection.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a forming method of a spraying heat insulation microwave curing fuel gas generator, wherein the fuel gas generator comprises a heat insulation layer, a composite layer covering the surface of the heat insulation layer, and a front joint and a rear joint which are arranged at the front end and the rear end, and the forming method comprises the following steps:
s1, designing a forming core mould matched with the gas generator according to the external shape of the gas generator;
s2, forming a heat insulation layer of the fuel gas generator on the outer surface of the forming core mold;
s3, assembling the prefabricated front connector and rear connector at the front end and the rear end of the forming core mold respectively, and then forming heat insulation layers on the front connector and the rear connector;
s4, winding the carbon fiber impregnated with the microwave curing resin glue solution on the heat insulation layer and the surfaces of the front connector and the rear connector to form a composite layer;
s5, performing microwave curing treatment on the wound gas generator;
and S6, demolding to finally form the gas generator.
Preferably, in step S1, the forming core mold is a water-soluble sand core mold.
It is further preferred that the water-soluble core mold comprises one of a river sand core mold and a quartz sand core mold.
Preferably, in step S1, the core mold forming tool includes a mandrel, a core mold forming base plate is attached to one end of the mandrel, and the mandrel on the side of the end and the core mold forming base plate are attached to a core mold forming outer mold so as to surround a forming space for forming the core mold.
Preferably, in step S2, the heat insulating layer is formed by: and spraying the liquid ablation-resistant heat-insulating material on the surface of the forming core mold by using a sprayer, then spraying the liquid high-heat-insulating material on the outer layer, pressurizing by using a vacuum bag, and then putting into an oven for curing treatment to form the heat-insulating layer.
Preferably, in step S3, the prefabricated front connector and rear connector are fixedly connected to the mandrels at the front end and the rear end of the forming core respectively, and then the heat insulating layer is formed on the front connector and the rear connector according to the method of step S2.
Preferably, in step S4, an extension shaft for transmission connection with the winding machine is first installed at an end of the mandrel away from the forming core mold, then the prepared microwave-curable resin glue solution is added into a glue tank of the winding machine to impregnate the carbon fibers, then the winding machine is started to drive the forming core mold to rotate and wind the carbon fibers through the extension shaft and the mandrel to form a composite layer, and the extension shaft is removed after the composite layer is wound.
Preferably, in step S4, the microwave-curable resin glue solution is made of a high-temperature-resistant epoxy resin containing an amine curing agent.
Preferably, in step S5, a rotary joint is installed at the front joint and is aligned with the axial direction of the mandrel, then the mandrel and the rotary joint are respectively connected to a microwave curing device, and the microwave curing device is started to drive the wound gas generator to perform rotary microwave curing through the mandrel and the rotary joint.
Further preferably, in step S6, the forming core mold with the mandrel is soaked in water, the core mold is removed after soaking for a certain period of time, and the water-soluble forming core mold is poured out to obtain the gas generator.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the forming method of the spraying heat insulation microwave curing gas generator has the advantages of simple forming process, low price, short production period and high mechanical property of materials.
2. The forming method of the gas generator is innovatively formed by spraying the liquid heat-insulating material, the heat-insulating layer is uniform and consistent after spraying, and then the high-strength carbon fiber is enhanced by the high-temperature-resistant epoxy resin, and then the microwave curing mode is adopted, so that the mechanical property of the composite layer is high, the internal mechanical property is uniform and consistent, and the fiber strength exertion rate is high.
3. The formed gas generator winding layer by the forming method has high mechanical property, the fiber strength exertion rate reaches more than 95 percent, the formed gas generator has high temperature resistance and short curing time.
Drawings
FIG. 1 is a sectional view of a gasifier according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a forming tool of the forming core mold according to the embodiment of the present invention.
Fig. 3 is a cross-sectional view of a winding tool for a composite layer according to an embodiment of the present invention (omitting a winding machine).
FIG. 4 is a cross-sectional view of a curing tool of a gas generator according to an embodiment of the present invention (the microwave curing device is omitted).
Reference numerals: the gas generator comprises a gas generator 1, a front connector 11, a rear connector 12, a heat insulation layer 13, a composite layer 14, a tool 2, a mandrel 21, a mandrel forming bottom plate 22, a mandrel forming outer die 23, an extension shaft 24, a rotary connector 25, a reinforcing rib 26, a first fastening assembly 27, a second fastening assembly 28, a third fastening assembly 29 and a forming mandrel 3.
Detailed Description
In order to explain the invention more conveniently, the invention is further explained below with reference to the following examples, but without being limited thereto.
As shown in fig. 1, the present invention provides a forming method of a thermal insulation coated microwave curing gas generator, wherein the gas generator 1 comprises a thermal insulation layer 13, a composite layer 14 covering the surface of the thermal insulation layer 13, and a front joint 11 and a rear joint 12 arranged at the front end and the rear end, the forming method comprises the following steps:
s1, designing a forming core mould 3 matched with the gas generator according to the external shape of the gas generator.
Preferably, the forming core mold 3 of the present invention uses a water-soluble sand core mold, and more preferably a river sand core mold or a quartz sand core mold. The tool 2 for forming the core mold 3 includes a mandrel 21, a core mold forming bottom plate 22 is mounted on one end of the mandrel 21, and a core mold forming outer mold 23 is mounted on the mandrel 21 and the core mold forming bottom plate 22 on the side of the end to surround a forming space for forming the core mold 3.
S2, forming the insulation layer 13 of the gasifier 1 on the outer surface of the forming core mold 3.
Preferably, the forming process of the heat insulating layer 13 is as follows: and spraying the liquid ablation-resistant heat-insulating material on the surface of the forming core mold 3 by using a sprayer, then spraying the liquid high-heat-insulating material on the outer layer, pressurizing by using a vacuum bag, and then putting into an oven for curing to form the heat-insulating layer 13.
S3, the prefabricated front and rear joints 11 and 12 are assembled at the front and rear ends of the forming core mold 3, respectively, and then the heat insulating layers 13 are formed on the front and rear joints 11 and 12.
Preferably, the prefabricated front and rear joints 11 and 12 are fixedly connected to the mandrels 21 at the front and rear ends of the forming core mold 3, respectively, and then the heat insulating layers 13 are formed on the front and rear joints 11 and 12 according to the method of step S2.
And S4, winding the carbon fiber impregnated with the microwave curing resin glue solution on the heat insulation layer 13 and the surfaces of the front joint 11 and the rear joint 12 to form a composite layer 14.
Preferably, an extension shaft 24 for transmission connection with a winding machine is installed at the end of the mandrel 21 away from the forming mandrel 3, then the prepared microwave curing resin glue solution is added into a glue tank of the winding machine to impregnate the carbon fibers, then the winding machine is started to drive the forming mandrel 3 to rotate and wind the carbon fibers through the extension shaft 24 and the mandrel 21 to form the composite layer 14, and the extension shaft 24 is removed after the composite layer 14 is wound. Wherein the microwave curing resin glue solution is prepared from high-temperature resistant epoxy resin containing an amine curing agent.
S5, the wound gas generator 1 is subjected to a microwave curing process.
Preferably, a rotary joint 25 which is axially consistent with the mandrel 21 is arranged at the front joint 11, then the mandrel 21 and the rotary joint 25 are respectively connected into a microwave curing device, and the microwave curing device is started to drive the wound gas generator 1 to perform rotary microwave curing through the mandrel 21 and the rotary joint 25.
S6, demoulding to form the gas generator 1 of the present invention.
Preferably, the core shaft 21 is removed, the forming core mold 3 is soaked with water, and the forming core mold 3 is poured out after being dissolved in water to obtain the gas generator 1.
The microwave curing process is described in detail below by taking a certain type of gas generator 1 as an example, and the process is as follows:
the gas generator 1 has the diameter phi of 120mm, the length of 154mm and the rear opening phi of 47mm, is a small-opening internal pressure container, the thickness of a cylinder section heat insulation layer 13 is 3.0mm (the inner layer is 1.2mm ablation-resistant heat insulation layer 13+ the outer layer is 1.8mm high heat insulation layer 13), and the thickness of a composite layer 14 cylinder section is 2 mm.
1) Designing a forming core mold 3 according to the shape of the gas generator 1:
according to the structure of the gas generator 1 in fig. 1, a forming core mold 3 is designed, a tool 2 for forming the core mold 3 comprises the core mold, 3 reinforcing ribs 26 are arranged around a core shaft 21, a core mold forming bottom plate 22 is arranged at one end part of the core shaft 21, and a core mold forming outer mold 23 is arranged on the core shaft 21 and the core mold forming bottom plate 22 at the side of the end part to form a forming space of the forming core mold 3 in a surrounding mode (as shown in fig. 2). In the internal section of the cavity of the gas generator 1, a river sand core mold is adopted for molding, after the core mold is molded, a layer of atomic ash is coated on the surface of the core mold, the thickness is about 0.3mm, and the core mold is placed at room temperature for 48 hours for curing.
2) Forming microwave curing gas generator 1 internal insulation layer 13:
and spraying the liquid ablation-resistant heat-insulating material on the surface of the core mould by adopting a sprayer in a manual spraying mode, wherein the spraying thickness is 1.2mm, volatilizing the internal solvent, spraying the liquid high-heat-insulating material on the outer layer, the spraying thickness is 1.8mm, pressurizing the heat-insulating layer 13 by using a vacuum bag after volatilizing the solvent, and then putting the heat-insulating layer into an oven for curing at the curing temperature of 90 ℃/1h +150 ℃/2 h. Wherein, the liquid ablation-resistant heat-insulating material and the liquid high-heat-insulating material are both mainly made of ethylene propylene diene monomer materials, and the specific components are selected conventionally in the field.
3) Preparing microwave curing resin glue solution:
preparing microwave curing resin glue solution, specifically preparing the high-temperature resistant epoxy resin containing an amine curing agent, wherein the amine curing agent can be one or more of heterocyclic amines, polyamides and boron trifluoride-amine, and the main resin is TDE-85. And adding the mixture into a rubber groove of a winding machine to soak carbon fibers after the mixture is prepared according to the resin preparation proportion.
4) Winding and forming the composite layer 14:
as shown in fig. 3, the prefabricated front and rear connectors 11 and 12 are fixedly coupled to mandrels 21 at front and rear ends of the forming core mold 3, respectively, and then the heat insulating layer 13 is formed on the front and rear connectors 11 and 12 by the method of step 2).
An extension shaft 24 for driving connection with a winding machine (not shown) is first mounted on the end of the mandrel 21 remote from the forming mandrel 3. The front joint 11 is connected with the mandrel 21 through a first fastening component 27, and the first fastening component 27 comprises a stud, a washer and a nut; the rear joint 12 is connected with the mandrel 21 through a second fastening component 28, and the second fastening component 28 comprises a positioning plate, a screw and a hexagonal thin nut; the mandrel 21 and the extension shaft 24 are connected by a third fastening assembly 29, and the third fastening assembly 29 comprises a pin shaft and a cotter pin.
Then adding the prepared microwave curing resin glue solution into a glue groove of a winding machine to dip carbon fibers, starting the winding machine to drive the forming core mold 3 to rotate and wind the carbon fibers (Japanese Dongli T1000 carbon fibers) through an extension shaft 24 and a mandrel 21 to form a composite layer 14, and removing the extension shaft 24 after the composite layer 14 is wound. The winding method comprises the following specific steps: 2 longitudinal winding layers +2 circumferential winding layers, wherein the longitudinal winding layers and the epoxy winding layers are alternately arranged.
5) Microwave curing of the gas generator 1:
as shown in fig. 4, after the gas generator 1 is placed for 10 hours, a rotary joint 25 is installed at the front joint 11 and is axially aligned with the mandrel 21, the mandrel 21 and the rotary joint 25 are respectively connected into a microwave curing device (not shown), and the microwave curing device is started to drive the gas generator 1 to perform rotary microwave curing through the mandrel 21 and the rotary joint 25. The microwave curing device has the working frequency of 2.5GHZ, the output power of 300-1000W and the curing time of 90 ℃/0.5h +150 ℃/1h, and is taken out after being cooled to the room temperature.
6) Demolding to form the final microwave curing gas generator 1:
and (3) placing the microwave-cured gas generator 1 in hot water at 100 ℃, soaking for 4h, screwing out the screw at the end of the front joint 11, pulling out the mandrel 21, and cleaning river sand inside to obtain the spray-coating heat-insulation microwave-cured gas generator 1.
The formed gas generator 1 formed by the forming method has high mechanical property of the winding layer, the fiber strength exertion rate reaches more than 95 percent, the formed gas generator 1 has high temperature resistance and short curing time.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. A forming method of a spray heat insulation microwave curing fuel gas generator is characterized in that the fuel gas generator (1) comprises a heat insulation layer (13), a composite layer (14) covering the surface of the heat insulation layer (13), and a front joint (11) and a rear joint (12) which are arranged at the front end and the rear end, and the forming method comprises the following steps:
s1, designing a forming core mould (3) matched with the gas generator (1) according to the external shape of the gas generator;
s2, forming a heat insulation layer (13) of the gas generator (1) on the outer surface of the forming core mold (3);
s3, assembling the prefabricated front joint (11) and rear joint (12) at the front end and the rear end of the forming core mould (3) respectively, and then forming heat insulation layers (13) on the front joint (11) and the rear joint (12);
s4, winding the carbon fiber impregnated with the microwave curing resin glue solution on the surface of the heat insulation layer (13) to form a composite layer (14);
s5, performing microwave curing treatment on the wound gas generator (1);
s6, demoulding to finally form the gas generator (1).
2. The method of claim 1 wherein the step of forming the spray insulated microwave curing gasifier comprises: in step S1, the forming core mold (3) is a water-soluble sand core mold.
3. The method of claim 2 wherein the step of forming the spray insulated microwave curing gasifier comprises: the water-soluble sand core mold comprises one of a river sand core mold and a quartz sand core mold.
4. The method of claim 1 wherein the step of forming the spray insulated microwave curing gasifier comprises: in the step S1, the tooling (2) for forming the core mold (3) includes a core shaft (21), a core mold forming bottom plate (22) is installed at one end of the core shaft (21), and a core mold forming outer mold (23) is installed on the core shaft (21) and the core mold forming bottom plate (22) on the side where the end is located to surround the forming space for forming the forming core mold (3).
5. The method of claim 1 wherein the step of forming the spray insulated microwave curing gasifier comprises: in the step S2, the heat insulating layer (13) is formed by: and spraying the liquid ablation-resistant heat-insulating material on the surface of the forming core mold (3) by using a sprayer, then spraying the liquid high-heat-insulating material on the outer layer, pressurizing by using a vacuum bag, and then putting into an oven for curing to form a heat-insulating layer (13).
6. The method of claim 1 wherein the step of forming the spray insulated microwave curing gasifier comprises: in the step S3, the prefabricated front connector (11) and rear connector (12) are fixedly connected to the mandrels (21) at the front and rear ends of the forming core mold (3), respectively, and then the heat insulating layer (13) is formed on the front connector (11) and rear connector (12) according to the method of the step S2.
7. The method of claim 1 wherein the step of forming the spray insulated microwave curing gasifier comprises: in the step S4, firstly, an extension shaft (24) for transmission connection with a winding machine is installed at an end of the mandrel (21) away from the forming core mold (3), then, the prepared microwave curing resin glue solution is added into a glue tank of the winding machine to impregnate the carbon fibers, then, the winding machine is started to drive the forming core mold (3) to rotate and wind the carbon fibers through the extension shaft (24) and the mandrel (21) to form a composite layer (14), and the extension shaft (24) is removed after the composite layer (14) is wound.
8. The method of claim 1 wherein the step of forming the spray insulated microwave curing gasifier comprises: in the step S4, the microwave curing resin glue solution is made of high temperature resistant epoxy resin containing amine curing agent.
9. The method of claim 1 wherein the step of forming the spray insulated microwave curing gasifier comprises: in the step S5, a rotary joint (25) which is consistent with the axial direction of the mandrel (21) is installed at the front joint (11), then the mandrel (21) and the rotary joint (25) are respectively connected into a microwave curing device, and the microwave curing device is started to drive the wound gas generator (1) to perform rotary microwave curing through the mandrel (21) and the rotary joint (25).
10. The method of claim 2 wherein the step of forming the spray insulated microwave curing gasifier comprises: in the step S6, the forming core mold (3) with the mandrel (21) is soaked in water, the core mold is removed after soaking for a period of time, and the water-soluble forming core mold (3) is poured out to obtain the gas generator (1).
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| CN202111392215.9A CN114311737A (en) | 2021-11-23 | 2021-11-23 | Forming method of spraying heat insulation microwave curing gas generator |
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| CN202111392215.9A CN114311737A (en) | 2021-11-23 | 2021-11-23 | Forming method of spraying heat insulation microwave curing gas generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953274A (en) * | 2022-04-13 | 2022-08-30 | 宁波曙翔空天复合材料有限公司 | Soluble sand core mold of carbon fiber rocket engine shell and preparation device thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1491106A (en) * | 1965-09-08 | 1967-08-04 | Balzaretti Modigliani Spa | Method and devices for the manufacture of filamentous insulating materials in the form of tubes |
| CN104354436A (en) * | 2014-11-07 | 2015-02-18 | 湖北三江航天江北机械工程有限公司 | Manufacturing method of composite material shell wound by high-temperature-resistant fiber |
| CN106633649A (en) * | 2016-12-09 | 2017-05-10 | 北京化工大学 | Resin matrix applicable to microwave curing and preparation method of resin matrix |
| CN109989852A (en) * | 2019-03-29 | 2019-07-09 | 湖北航天技术研究院总体设计所 | A kind of powder charge burning chamber shell and its forming method |
| CN112297462A (en) * | 2020-09-02 | 2021-02-02 | 江苏新扬新材料股份有限公司 | Manufacturing method of rocket engine full composite material shell |
| CN113203038A (en) * | 2020-01-30 | 2021-08-03 | 丰田自动车株式会社 | Method for manufacturing high-pressure tank |
-
2021
- 2021-11-23 CN CN202111392215.9A patent/CN114311737A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1491106A (en) * | 1965-09-08 | 1967-08-04 | Balzaretti Modigliani Spa | Method and devices for the manufacture of filamentous insulating materials in the form of tubes |
| CN104354436A (en) * | 2014-11-07 | 2015-02-18 | 湖北三江航天江北机械工程有限公司 | Manufacturing method of composite material shell wound by high-temperature-resistant fiber |
| CN106633649A (en) * | 2016-12-09 | 2017-05-10 | 北京化工大学 | Resin matrix applicable to microwave curing and preparation method of resin matrix |
| CN109989852A (en) * | 2019-03-29 | 2019-07-09 | 湖北航天技术研究院总体设计所 | A kind of powder charge burning chamber shell and its forming method |
| CN113203038A (en) * | 2020-01-30 | 2021-08-03 | 丰田自动车株式会社 | Method for manufacturing high-pressure tank |
| CN112297462A (en) * | 2020-09-02 | 2021-02-02 | 江苏新扬新材料股份有限公司 | Manufacturing method of rocket engine full composite material shell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953274A (en) * | 2022-04-13 | 2022-08-30 | 宁波曙翔空天复合材料有限公司 | Soluble sand core mold of carbon fiber rocket engine shell and preparation device thereof |
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