CN106216684A - A kind of Shooting Technique of radar metalwork - Google Patents
A kind of Shooting Technique of radar metalwork Download PDFInfo
- Publication number
- CN106216684A CN106216684A CN201610617069.8A CN201610617069A CN106216684A CN 106216684 A CN106216684 A CN 106216684A CN 201610617069 A CN201610617069 A CN 201610617069A CN 106216684 A CN106216684 A CN 106216684A
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- CN
- China
- Prior art keywords
- metalwork
- radar
- cooling
- temperature
- metal dust
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
Abstract
nullThe invention discloses the Shooting Technique of a kind of radar metalwork，The metal dust that step (1) uses is the steel pelletizing containing 20% aluminium powder，The aluminium powder contained surface at steel pelletizing can form the oxide-film of densification after being melted down，Greatly enhance the anti-corrosive properties of this metalwork，The stoichiometric ratio of step (1) metal dust and binding agent is 5:2，This proportioning is optimal material proportion，Ensure the fastness of metalwork，The mixture of step (1) metal dust and binding agent carries out drying and processing，Temperature is 90 DEG C，Drying time period 40min，Dry and be prevented from the impact that metalwork is caused by steam，The temperature of step (5) cooling molding is 10 DEG C，Cool time is 5h，This temperature can accelerate the cooling and shaping of metalwork，Ensure the performance of metalwork simultaneously，Step (6) use arm-and-hand system carry out the demoulding，This technique is it can be avoided that metalwork is impacted，Thus avoid damaging the quality of formed metalwork.
Description
Technical field
The present invention relates to the manufacture field of radar and part thereof, particularly relate to the injection work of a kind of radar metalwork
Skill.
Background technology
Radar is the electronic equipment utilizing electromagnetic wave detection target.Target is irradiated and receives by radar emission electromagnetic wave
Its echo, is derived from target to information such as the distance of electromagnetic radiation point, range rate (radial velocity), orientation, height.
Using owing to radar needs to be placed on open air, the most all uses metalwork on radar is both needed to stronger performance, should have
Standby stronger shock resistance, prevents it from deforming, the most also should possess stronger decay resistance, and current this use is at radar
On its performance of metalwork have much room for improvement.
Summary of the invention
A kind of Shooting Technique of radar metalwork, its step includes:
(1) select materials: select metal dust and binding agent, and mix；
(2) melting sources: melted by raw material in a furnace, fusion temperature is 800-900 DEG C, and fusing time is 2-3 hour；
(3) injection: the pressure in pressure system is set to 20-50MPa, under elevated pressure conditions by melted raw material injecting lock mould dress
In putting, the cover half in clamping apparatus being heated to 70 DEG C-80 DEG C, dynamic model is heated to 50 DEG C-60 DEG C；
(4) pressurize: carrying out pressurize before forming parts solidifies, the pressure of pressurize is 15MPa, and the time is 3-6h；
(5) cooling molding: metalwork is carried out cooling and shaping by cooling system；
(6) demoulding: part is deviate from from mould；
(7) sintering: being sintered by the metalwork of the demoulding, the temperature of process is 1050-1600 DEG C, is incubated 1-2h, cooling
To 450-700 DEG C, it is incubated 3-5h, last natural cooling.
Preferably, the metal dust that step (1) uses is the steel pelletizing containing 20% aluminium powder.
Preferably, the stoichiometric ratio of step (1) metal dust and binding agent is 5:2.
Preferably, the mixture of step (1) metal dust and binding agent carries out drying and processing, and temperature is 90 DEG C, during drying
Long 40min.
Preferably, the temperature of step (5) cooling molding is 10 DEG C, and cool time is 5h.
Preferably, step (6) use arm-and-hand system carry out the demoulding.
Beneficial effect: the invention provides the Shooting Technique of a kind of radar metalwork, the metal dust that step (1) uses
For the steel pelletizing containing 20% aluminium powder, the aluminium powder contained surface at steel pelletizing can form densification after being melted down
Oxide-film, greatly enhances the anti-corrosive properties of this metalwork, and the stoichiometric ratio of step (1) metal dust and binding agent is 5:2, and this is joined
Ratio is optimal material proportion, has ensured that the fastness of metalwork, the mixture of step (1) metal dust and binding agent are dried
Dry-cure, temperature is 90 DEG C, drying time period 40min, dries and is prevented from the impact that metalwork is caused by steam, and step (5) is cold
But the temperature of molding is 10 DEG C, and cool time is 5h, and this temperature can accelerate the cooling and shaping of metalwork, ensures metalwork simultaneously
Performance, step (6) uses arm-and-hand system carry out the demoulding, this technique is it can be avoided that metalwork is impacted, thus avoids
The quality of infringement formed metalwork.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with
Detailed description of the invention, is expanded on further the present invention.
Embodiment 1:
A kind of Shooting Technique of radar metalwork, its step includes:
(1) select materials: selecting metal dust and binding agent, and mix, metal dust is that the steel containing 20% aluminium powder are made
Grain powder, the stoichiometric ratio of metal dust and binding agent is that the mixture of 5:2, metal dust and binding agent carries out drying and processing, temperature
Degree is 90 DEG C, drying time period 40min；
(2) melting sources: melted by raw material in a furnace, fusion temperature is 800 DEG C, and fusing time is 2 hours；
(3) injection: the pressure in pressure system is set to 20MPa, under elevated pressure conditions by melted raw material injecting lock mould device
In, the cover half in clamping apparatus is heated to 70 DEG C, dynamic model is heated to 50 DEG C；
(4) pressurize: carrying out pressurize before forming parts solidifies, the pressure of pressurize is 15MPa, and the time is 3h；
(5) cooling molding: by cooling system, metalwork being carried out cooling and shaping, the temperature of cooling molding is 10 DEG C, during cooling
Between be 5h；
(6) demoulding: use arm-and-hand system to be deviate from from mould by part；
(7) sintering: being sintered by the metalwork of the demoulding, the temperature of process is 1050 DEG C, is incubated 2h, is cooled to 700 DEG C,
Insulation 3h, last natural cooling.
Embodiment 2:
A kind of Shooting Technique of radar metalwork, its step includes:
(1) select materials: selecting metal dust and binding agent, and mix, metal dust is that the steel containing 20% aluminium powder are made
Grain powder, the stoichiometric ratio of metal dust and binding agent is that the mixture of 5:2, metal dust and binding agent carries out drying and processing, temperature
Degree is 90 DEG C, drying time period 40min；
(2) melting sources: melted by raw material in a furnace, fusion temperature is 850 DEG C, and fusing time is 2 hours；
(3) injection: the pressure in pressure system is set to 35MPa, under elevated pressure conditions by melted raw material injecting lock mould device
In, the cover half in clamping apparatus is heated to 75 DEG C, dynamic model is heated to 55 DEG C；
(4) pressurize: carrying out pressurize before forming parts solidifies, the pressure of pressurize is 15MPa, and the time is 5h；
(5) cooling molding: by cooling system, metalwork being carried out cooling and shaping, the temperature of cooling molding is 10 DEG C, during cooling
Between be 5h；
(6) demoulding: use arm-and-hand system to be deviate from from mould by part；
(7) sintering: being sintered by the metalwork of the demoulding, the temperature of process is 1200 DEG C, is incubated 1.5h, is cooled to 600
DEG C, it is incubated 4h, last natural cooling.
Embodiment 3:
A kind of Shooting Technique of radar metalwork, its step includes:
(1) select materials: selecting metal dust and binding agent, and mix, metal dust is that the steel containing 20% aluminium powder are made
Grain powder, the stoichiometric ratio of metal dust and binding agent is that the mixture of 5:2, metal dust and binding agent carries out drying and processing, temperature
Degree is 90 DEG C, drying time period 40min；
(2) melting sources: melted by raw material in a furnace, fusion temperature is 900 DEG C, and fusing time is 3 hours；
(3) injection: the pressure in pressure system is set to 50MPa, under elevated pressure conditions by melted raw material injecting lock mould device
In, the cover half in clamping apparatus is heated to 80 DEG C, dynamic model is heated to 60 DEG C；
(4) pressurize: carrying out pressurize before forming parts solidifies, the pressure of pressurize is 15MPa, and the time is 6h；
(5) cooling molding: by cooling system, metalwork being carried out cooling and shaping, the temperature of cooling molding is 10 DEG C, during cooling
Between be 5h；
(6) demoulding: use arm-and-hand system to be deviate from from mould by part；
(7) sintering: being sintered by the metalwork of the demoulding, the temperature of process is 1600 DEG C, is incubated 1h, is cooled to 700 DEG C,
Insulation 3h, last natural cooling.
Extract the sample of each embodiment to carry out detection and analyze, and compare with prior art, draw following data:
| Process cycle/h | Case hardness/kgf | Corrosion resistance grade | Impact strength/Mpa | |
| Embodiment 1 | 22 | 55 | One-level | 65 |
| Embodiment 2 | 28 | 40 | One-level | 63 |
| Embodiment 3 | 24 | 37 | One-level | 59 |
| Existing index | 30 | 30 | Two grades | 50 |
Can draw according to above table data, when implementing embodiment 1 parameter, the radar injection metalwork obtained, its work
The skill cycle is 22 hours, and case hardness is 55kgf, and corrosion resistance grade is one-level, and impact strength is 65MPa, and prior art
Its process cycle of standard is 30 hours, and case hardness is 30kgf, and corrosion resistance grade is two grades, and impact strength is 50MPa, because of
The radar injection metalwork process-cycle that the Shooting Technique of this radar metalwork of the present invention produces is short, shows that hardness is more
Greatly, corrosion resistance is strong, and impact strength is big, and in contrast the present invention has superiority significantly.
The invention provides the Shooting Technique of a kind of radar metalwork, the metal dust that step (1) uses is for containing 20%
The steel pelletizing of aluminium powder, the aluminium powder contained surface at steel pelletizing can form the oxide-film of densification, pole after being melted down
Enhancing greatly the anti-corrosive properties of this metalwork, the stoichiometric ratio of step (1) metal dust and binding agent is 5:2, and this proportioning is optimal
Material proportion, ensured that the fastness of metalwork, the mixture of step (1) metal dust and binding agent carry out drying and processing,
Temperature is 90 DEG C, drying time period 40min, dries and is prevented from the impact that metalwork is caused by steam, step (5) cooling molding
Temperature is 10 DEG C, and cool time is 5h, and this temperature can accelerate the cooling and shaping of metalwork, ensures the performance of metalwork simultaneously,
Using arm-and-hand system to carry out the demoulding in step (6), this technique is it can be avoided that metalwork is impacted, thus avoids damaging molding
The quality of metalwork.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention
Protection domain.
Claims (6)
1. the Shooting Technique of a radar metalwork, it is characterised in that its step includes:
(1) select materials: select metal dust and binding agent, and mix；
(2) melting sources: melted by raw material in a furnace, fusion temperature is 800-900 DEG C, and fusing time is 2-3 hour；
(3) injection: the pressure in pressure system is set to 20-50MPa, under elevated pressure conditions by melted raw material injecting lock mould dress
In putting, the cover half in clamping apparatus being heated to 70 DEG C-80 DEG C, dynamic model is heated to 50 DEG C-60 DEG C；
(4) pressurize: carrying out pressurize before forming parts solidifies, the pressure of pressurize is 15MPa, and the time is 3-6h；
(5) cooling molding: metalwork is carried out cooling and shaping by cooling system；
(6) demoulding: part is deviate from from mould；
(7) sintering: being sintered by the metalwork of the demoulding, the temperature of process is 1050-1600 DEG C, is incubated 1-2h, cooling
To 450-700 DEG C, it is incubated 3-5h, last natural cooling.
2. the Shooting Technique of the radar metalwork described in a claim 1, it is characterised in that the metal that step (1) uses
Powder is the steel pelletizing containing 20% aluminium powder.
3. the Shooting Technique of the radar metalwork described in a claim 1, it is characterised in that step (1) metal dust and
The stoichiometric ratio of binding agent is 5:2.
4. the Shooting Technique of the radar metalwork described in a claim 1, it is characterised in that step (1) metal dust and
The mixture of binding agent carries out drying and processing, and temperature is 90 DEG C, drying time period, 40min.
5. the Shooting Technique of the radar metalwork described in a claim 1, it is characterised in that step (5) cooling molding
Temperature is 10 DEG C, and cool time is 5h.
6. the Shooting Technique of the radar metalwork described in a claim 1, it is characterised in that use machinery in step (6)
Hand system carries out the demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617069.8A CN106216684A (en) | 2016-08-01 | 2016-08-01 | A kind of Shooting Technique of radar metalwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617069.8A CN106216684A (en) | 2016-08-01 | 2016-08-01 | A kind of Shooting Technique of radar metalwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106216684A true CN106216684A (en) | 2016-12-14 |
Family
ID=57536386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610617069.8A Withdrawn CN106216684A (en) | 2016-08-01 | 2016-08-01 | A kind of Shooting Technique of radar metalwork |
Country Status (1)
| Country | Link |
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| CN (1) | CN106216684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282930A (en) * | 2017-07-12 | 2017-10-24 | 安徽凯密克企业管理咨询有限公司 | A kind of Shooting Technique of auto parts |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954944A (en) * | 2005-08-23 | 2007-05-02 | 贝克休斯公司 | Injection shaped cover of shaped charge |
| KR20090079562A (en) * | 2008-01-18 | 2009-07-22 | 한국기계연구원 | Manufacturing method for part using of polymer mold |
| US20120024465A1 (en) * | 2010-07-29 | 2012-02-02 | General Electric Company | Systems and methods for stator bar press tooling |
| CN102977448A (en) * | 2012-12-13 | 2013-03-20 | 江苏技术师范学院 | Plastic metal alloy composite material and method for preparing section bar by using same |
| CN104014796A (en) * | 2014-06-16 | 2014-09-03 | 张家港市华程异型钢管有限公司 | Injection molding method for metal powder |
-
2016
- 2016-08-01 CN CN201610617069.8A patent/CN106216684A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954944A (en) * | 2005-08-23 | 2007-05-02 | 贝克休斯公司 | Injection shaped cover of shaped charge |
| KR20090079562A (en) * | 2008-01-18 | 2009-07-22 | 한국기계연구원 | Manufacturing method for part using of polymer mold |
| US20120024465A1 (en) * | 2010-07-29 | 2012-02-02 | General Electric Company | Systems and methods for stator bar press tooling |
| CN102977448A (en) * | 2012-12-13 | 2013-03-20 | 江苏技术师范学院 | Plastic metal alloy composite material and method for preparing section bar by using same |
| CN104014796A (en) * | 2014-06-16 | 2014-09-03 | 张家港市华程异型钢管有限公司 | Injection molding method for metal powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282930A (en) * | 2017-07-12 | 2017-10-24 | 安徽凯密克企业管理咨询有限公司 | A kind of Shooting Technique of auto parts |
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Application publication date: 20161214 |