CN112128019A - Production method of propellant column box - Google Patents
Production method of propellant column box Download PDFInfo
- Publication number
- CN112128019A CN112128019A CN201910494209.0A CN201910494209A CN112128019A CN 112128019 A CN112128019 A CN 112128019A CN 201910494209 A CN201910494209 A CN 201910494209A CN 112128019 A CN112128019 A CN 112128019A
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- China
- Prior art keywords
- plate
- propellant
- organic glass
- producing
- processing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
- F02K9/36—Propellant charge supports
Abstract
The invention provides a production method of a propellant column box. The method comprises the steps of firstly drawing cutting lines on a square organic glass plate with a specific size according to the requirement of a drawing, reserving a certain processing size, then utilizing a plate cutting saw to carry out blanking according to the cutting lines, and sawing off four corners of the square plate in the process; processing the blanked plate into a circular ring by using a numerical control lathe, polishing the surface of the circular ring, and bonding the circular ring with other plates by using a polymer adhesive with a specific component to obtain a thick plate material; and (4) carrying out aging treatment on the adhered thick plate materials under specific conditions to obtain a final product. The plate prepared by the method has enough thickness on the basis of keeping the processing performance, and meets the process requirements of the propellant column box on the plate; meanwhile, the processing performance and the corrosion resistance of the composite plate can be obviously improved through a specific bonding process and an aging treatment method, so that the composite plate has wider application range to the adjustment of the rotating speed of a machine tool and the condition of sharpening of a turning tool and has excellent performance.
Description
Technical Field
The invention relates to the technical field of propellant grain storage boxes, in particular to a production method of a propellant grain box.
Background
The propellant is a chemical substance which can rapidly generate a large amount of high-temperature gas during combustion and can be used for launching projectiles of firearms, rockets, missiles and the like. Propellants are similar to explosives, fuels, all of which can provide energy by combustion; however, the combustion conditions are different, air and oxygen are needed for combustion supporting when the fuel is combusted, and a propellant and an explosive are not needed. The propellant grains are solid propellant charges of a certain geometry and size. The geometry and dimensions of the charge placed in the combustion chamber of a solid rocket engine are selected in relation to the operating time of the engine, the combustion chamber pressure and the thrust, while also affecting the structural integrity of the charge and the mass ratio of the engine.
In the prior art, the propellant grain is packaged in the grain box, so that the storage performance of the box body has certain influence on the using effect of the propellant except the direct containing effect. In the prior art, the column box is generally made of organic glass, however, super-thick organic materials are not sold in the market, and the problem of thick plates is to be solved; in addition, the shell medium compatibility test has high requirements on the corrosion resistance and the processability of the organic plate, and the problems of the corrosion resistance and the processability of the organic plate are solved; in addition, machining organic glass materials have high requirements for debugging the rotating speed of a machine tool and the turning tool sharpening technology, so how to expand the application range of organic glass to different machining conditions also becomes a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a method for producing a propellant column box aiming at the technical defects of the prior art, and aims to solve the technical problem that the conventional organic glass plate in the prior art cannot meet the thickness requirement of the propellant column box.
The invention also aims to solve the technical problem that the corrosion resistance, the processing performance and the like of the conventional organic glass plate are to be improved.
The invention also aims to solve the technical problem that the conventional organic glass plate has small application range for debugging the rotating speed of a machine tool and the condition of sharpening a turning tool.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a method of producing a propellant column box comprising the steps of:
1) taking a square organic glass plate with the size of 2400mm multiplied by 1200mm multiplied by 50mm, and drawing a square cutting line on the organic glass plate as a reserved processing size;
2) cutting off the material according to the cutting line by using a plate cutting saw, and sawing off four corners of the square plate in the blanking process (so as to facilitate subsequent circular ring processing);
3) processing the rings on the product obtained in the step 2) by using a numerical control lathe, reserving 10mm redundancy on two sides, and reserving a circular boss on each ring (so as to facilitate accurate positioning, wherein the circular bosses can be arranged from small to large or from large to small);
4) preparing a polymerization adhesive;
5) and (3) flattening the ring turned by a lathe by using water abrasive paper, then coating the polymerized glue on the bonding position of the polished organic glass, putting a second plate matched with the polymerized glue, and applying opposite extrusion force for keeping for more than 4 hours until the glue is dried.
Preferably, the method further comprises the following step 6): heating the product obtained in the step 5) to 78 ℃ in an aging furnace at the speed of 0.5 ℃/min, reducing the pressure to 0.5 atmospheric pressure, keeping the pressure for 2 hours, and then recovering the atmospheric pressure; taking 78 ℃ as an initial temperature, raising the temperature to 96 ℃ at the speed of 3 ℃/min, keeping for 1min, then lowering the temperature to 78 ℃ at the speed of 1 ℃/min, and repeating the conditions of raising and lowering the temperature for 12 cycles; and cooling to room temperature under the protection of nitrogen gas with the initial temperature of 78 ℃.
Preferably, in the step 1), the machine glass plate is made of corrosion-resistant organic glass.
Preferably, the cutting line in the step 1) is drawn according to a processing drawing, and the size of the cutting line is 20mm larger than that on the drawing.
Preferably, the 10mm redundancy in step 3) is a processing amount in a subsequent process.
Preferably, the polymer adhesive comprises the following components in parts by weight: 5 parts of ethyl cyanoacrylate, 3 parts of sodium monofluorophosphate, 2 parts of polyester resin, 3 parts of polymethyl methacrylate, 1 part of vinyl acetate, 0.2 part of hydroxymethyl cellulose and 1 part of epoxy acrylate diester.
Preferably, in step 4), after the second plate is placed thereon, the bubbles are extruded and then the opposite extrusion force is applied.
The invention provides a production method of a propellant column box. The method comprises the steps of firstly drawing cutting lines on a square organic glass plate with a specific size according to the requirement of a drawing, reserving a certain processing size, then utilizing a plate cutting saw to carry out blanking according to the cutting lines, and sawing off four corners of the square plate in the process; processing the blanked plate into a circular ring by using a numerical control lathe, polishing the surface of the circular ring, and bonding the circular ring with other plates by using a polymer adhesive with a specific component to obtain a thick plate material; and (4) carrying out aging treatment on the adhered thick plate materials under specific conditions to obtain a final product. The plate prepared by the method has enough thickness on the basis of keeping the processing performance, and meets the process requirements of the propellant column box on the plate; meanwhile, the processing performance and the corrosion resistance of the composite plate can be obviously improved through a specific bonding process and an aging treatment method, so that the composite plate has wider application range to the adjustment of the rotating speed of a machine tool and the condition of sharpening of a turning tool and has excellent performance.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A production method of a propellant column box is characterized by comprising the following steps:
1) taking a square organic glass plate with the size of 2400mm multiplied by 1200mm multiplied by 50mm, and drawing a square cutting line on the organic glass plate as a reserved processing size;
2) cutting off the material according to the cutting line by using a plate cutting saw, and sawing off four corners of the square plate in the blanking process;
3) processing rings on the product obtained in the step 2) by using a numerical control lathe, reserving 10mm redundancy on two sides, and reserving a circular boss on each ring;
4) preparing a polymerization adhesive;
5) and (3) flattening the ring turned by a lathe by using water abrasive paper, then coating the polymerized glue on the bonding position of the polished organic glass, putting a second plate matched with the polymerized glue, and applying opposite extrusion force for keeping for more than 4 hours until the glue is dried.
Wherein, still include the following step 6): heating the product obtained in the step 5) to 78 ℃ in an aging furnace at the speed of 0.5 ℃/min, reducing the pressure to 0.5 atmospheric pressure, keeping the pressure for 2 hours, and then recovering the atmospheric pressure; taking 78 ℃ as an initial temperature, raising the temperature to 96 ℃ at the speed of 3 ℃/min, keeping for 1min, then lowering the temperature to 78 ℃ at the speed of 1 ℃/min, and repeating the conditions of raising and lowering the temperature for 12 cycles; and cooling to room temperature under the protection of nitrogen gas with the initial temperature of 78 ℃. In the step 1), the machine glass plate is made of corrosion-resistant organic glass. In the step 1), the cutting line is drawn according to a processing drawing, and the size of the cutting line is 20mm larger than that of the cutting line on the drawing. The 10mm redundancy in the step 3) is the processing amount of the subsequent process. The polymer adhesive comprises the following components in parts by weight: 5 parts of ethyl cyanoacrylate, 3 parts of sodium monofluorophosphate, 2 parts of polyester resin, 3 parts of polymethyl methacrylate, 1 part of vinyl acetate, 0.2 part of hydroxymethyl cellulose and 1 part of epoxy acrylate diester. In the step 4), after the second plate matched with the second plate is placed, bubbles are extruded out, and then opposite extrusion force is applied.
Example 2
A production method of a propellant column box is characterized by comprising the following steps:
1) taking a square organic glass plate with the size of 2400mm multiplied by 1200mm multiplied by 50mm, and drawing a square cutting line on the organic glass plate as a reserved processing size;
2) cutting off the material according to the cutting line by using a plate cutting saw, and sawing off four corners of the square plate in the blanking process;
3) processing rings on the product obtained in the step 2) by using a numerical control lathe, reserving 10mm redundancy on two sides, and reserving a circular boss on each ring;
4) preparing a polymerization adhesive;
5) and (3) flattening the ring turned by a lathe by using water abrasive paper, then coating the polymerized glue on the bonding position of the polished organic glass, putting a second plate matched with the polymerized glue, and applying opposite extrusion force for keeping for more than 4 hours until the glue is dried.
The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A production method of a propellant column box is characterized by comprising the following steps:
1) taking a square organic glass plate with the size of 2400mm multiplied by 1200mm multiplied by 50mm, and drawing a square cutting line on the organic glass plate as a reserved processing size;
2) cutting off the material according to the cutting line by using a plate cutting saw, and sawing off four corners of the square plate in the blanking process;
3) processing rings on the product obtained in the step 2) by using a numerical control lathe, reserving 10mm redundancy on two sides, and reserving a circular boss on each ring;
4) preparing a polymerization adhesive;
5) and (3) flattening the ring turned by a lathe by using water abrasive paper, then coating the polymerized glue on the bonding position of the polished organic glass, putting a second plate matched with the polymerized glue, and applying opposite extrusion force for keeping for more than 4 hours until the glue is dried.
2. A method of producing a propellant column casing as claimed in claim 1, further comprising the step of 6): heating the product obtained in the step 5) to 78 ℃ in an aging furnace at the speed of 0.5 ℃/min, reducing the pressure to 0.5 atmospheric pressure, keeping the pressure for 2 hours, and then recovering the atmospheric pressure; taking 78 ℃ as an initial temperature, raising the temperature to 96 ℃ at the speed of 3 ℃/min, keeping for 1min, then lowering the temperature to 78 ℃ at the speed of 1 ℃/min, and repeating the conditions of raising and lowering the temperature for 12 cycles; and cooling to room temperature under the protection of nitrogen gas with the initial temperature of 78 ℃.
3. The method for producing the propellant column box according to claim 1, wherein in the step 1), the machine glass plate is made of corrosion-resistant organic glass.
4. The method for producing a propellant column case as recited in claim 1, wherein the cutting line in step 1) is drawn according to a processing drawing, and the size of the cutting line is 20mm larger than that of the drawing.
5. The method for producing a propellant canister as claimed in claim 1, wherein the 10mm redundancy in step 3) is a post-process machining amount.
6. A method of producing a propellant column casing as claimed in claim 1, wherein the polymeric glue comprises the following ingredients in parts by weight: 5 parts of ethyl cyanoacrylate, 3 parts of sodium monofluorophosphate, 2 parts of polyester resin, 3 parts of polymethyl methacrylate, 1 part of vinyl acetate, 0.2 part of hydroxymethyl cellulose and 1 part of epoxy acrylate diester.
7. A method of producing a propellant container as claimed in claim 1 wherein in step 4) the bubble is extruded and then the opposing extrusion force is applied after the mating second plate is placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494209.0A CN112128019A (en) | 2019-06-09 | 2019-06-09 | Production method of propellant column box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494209.0A CN112128019A (en) | 2019-06-09 | 2019-06-09 | Production method of propellant column box |
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| Publication Number | Publication Date |
|---|---|
| CN112128019A true CN112128019A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910494209.0A Pending CN112128019A (en) | 2019-06-09 | 2019-06-09 | Production method of propellant column box |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524487Y (en) * | 2002-04-02 | 2002-12-11 | 陈凤君 | Toughened glass tree pool cover plate |
| CN101932752A (en) * | 2007-12-04 | 2010-12-29 | 格雷斯公司 | Anticorrosion material |
| CN102765187A (en) * | 2012-07-02 | 2012-11-07 | 江西洪都航空工业集团有限责任公司 | Forming method of organic glass part with narrow-strip-shaped multi-curved-surface high-curvature appearance |
| CN103675451A (en) * | 2012-09-06 | 2014-03-26 | 北京理工大学 | Device and method for measuring electric conductivity in explosive explosion process |
| CN205255052U (en) * | 2015-11-06 | 2016-05-25 | 芜湖耀华玻璃园艺有限公司 | Super thick organic glass cutting tool |
| CN107513677A (en) * | 2017-09-22 | 2017-12-26 | 航天材料及工艺研究所 | A kind of major diameter, large modulus spheroid shape face tank Loadings On Hemispherical Shell method for controlling heat treatment deformation |
| CN107795410A (en) * | 2016-09-05 | 2018-03-13 | 南京理工大学 | Stopper formula dipulse engine is used in one kind experiment |
-
2019
- 2019-06-09 CN CN201910494209.0A patent/CN112128019A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524487Y (en) * | 2002-04-02 | 2002-12-11 | 陈凤君 | Toughened glass tree pool cover plate |
| CN101932752A (en) * | 2007-12-04 | 2010-12-29 | 格雷斯公司 | Anticorrosion material |
| CN102765187A (en) * | 2012-07-02 | 2012-11-07 | 江西洪都航空工业集团有限责任公司 | Forming method of organic glass part with narrow-strip-shaped multi-curved-surface high-curvature appearance |
| CN103675451A (en) * | 2012-09-06 | 2014-03-26 | 北京理工大学 | Device and method for measuring electric conductivity in explosive explosion process |
| CN205255052U (en) * | 2015-11-06 | 2016-05-25 | 芜湖耀华玻璃园艺有限公司 | Super thick organic glass cutting tool |
| CN107795410A (en) * | 2016-09-05 | 2018-03-13 | 南京理工大学 | Stopper formula dipulse engine is used in one kind experiment |
| CN107513677A (en) * | 2017-09-22 | 2017-12-26 | 航天材料及工艺研究所 | A kind of major diameter, large modulus spheroid shape face tank Loadings On Hemispherical Shell method for controlling heat treatment deformation |
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